Linux服务器的必修课 SSH 改密钥登录 + 修改端口 + 关闭密码登录
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<div class="ce-paragraph cdx-block ce-paragraph--left">注意：操作过程中一定不要关闭当前 SSH 窗口。（没搞好你就得去云厂商VNC救援了<span> </span>悲剧<span> </span>）一定要先确认密钥和新端口能正常登录，再关闭旧端口或退出当前连接。</div>
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<h2 class="ce-header ce-header--left">一、准备工作</h2>
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</div><div class="ce-block ce-block--focused" data-id="CwidCP2q7r" >
<div class="ce-block__content">
<div class="ce-paragraph cdx-block ce-paragraph--left">假设本文示例：</div>
</div>
</div><div class="ce-block ce-block--focused" data-id="nWaV6elfVd" >
<div class="ce-block__content">
<div class="ce-paragraph cdx-block ce-paragraph--left"><code><code class="inline-code">服务器用户：root
服务器 IP：1.2.3.4
新 SSH 端口：22222</code>
</code></div>
</div>
</div><div class="ce-block ce-block--focused" data-id="QXqDqBbV5t" >
<div class="ce-block__content">
<div class="ce-paragraph cdx-block ce-paragraph--left">你需要把<span></span><code class="inline-code"><span> </span><code>1.2.3.4</code><span> </span></code><span></span>和<span> </span><code><code class="inline-code">22222</code></code><span> </span>改成自己的。</div>
</div>
</div><div class="ce-block" data-id="tCV4Io1aCZ" >
<div class="ce-block__content" style="">
<h2 class="ce-header ce-header--left">二、本地生成 SSH 密钥</h2>
</div>
</div><div class="ce-block ce-block--focused" data-id="xEHKtT5U0a" >
<div class="ce-block__content">
<div class="ce-paragraph cdx-block ce-paragraph--left">在自己电脑上执行。</div>
</div>
</div><div class="ce-block" data-id="jorMEAktAx" >
<div class="ce-block__content" style="">
<h3 class="ce-header ce-header--left">Windows PowerShell / Linux / macOS 都可以用</h3>
</div>
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</script><div class="ce-block ce-block--focused" data-id="C8thdEpJzN" >
<div class="ce-block__content">
<div class="ce-paragraph cdx-block ce-paragraph--left">一路回车即可。</div>
</div>
</div><div class="ce-block ce-block--focused" data-id="4DTWdpoFdy" >
<div class="ce-block__content">
<div class="ce-paragraph cdx-block ce-paragraph--left">生成后会得到两个文件：</div>
</div>
</div><div class="ce-block ce-block--focused" data-id="pc92a7Q_yx" >
<div class="ce-block__content">
<div class="ce-paragraph cdx-block ce-paragraph--left"><code>server1_ed25519 私钥，自己保存，不能泄露
server1_ed25519.pub公钥，放到服务器
</code></div>
</div>
</div><div class="ce-block" data-id="-gspFquiHU" >
<div class="ce-block__content" style="">
<h2 class="ce-header ce-header--left">三、上传公钥到服务器</h2>
</div>
</div><div class="ce-block" data-id="7abDvK3SsU" >
<div class="ce-block__content" style="">
<h3 class="ce-header ce-header--left">Windows PowerShell</h3>
</div>
</div><div class="ce-block ce-block--focused" data-id="IAquwySH9D" >
<div class="ce-block__content">
<div class="ce-paragraph cdx-block ce-paragraph--left">把<span> </span><code>1.2.3.4</code><span> </span>改成你的服务器 IP：</div>
</div>
</div><div class="ce-block ce-block--focused" data-id="6JoWcjJrYM" >
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<div class="editorjs-codeFlask_ContentContainer">
<div class="editorjs-codeFlask_Editor" id="codeflask-6JoWcjJrYM" >
</div>
</div>
<div class="editorjs-codeFlask_BottomButtonContainer" id="codeflask-bottomBtn-6JoWcjJrYM">
<button class="editorjs-codeFlask_BottomToggle expand-mode" title="展开代码" data-empty="false"><span class="toggle-icon">▼</span> 展开</button>
</div>
</div>
</div>
</div>
<script type="text/javascript" src="static/js/editorjs/tools/codeflask/codeflask150.min.js?hS9"></script>
<script type="application/javascript">
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lineNumbers: true,
styleParent: this.shadowRoot,
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// 降级方案：使用传统的复制方法
fallbackCopyTextToClipboard(code1787864367t53BK);
});
} else {
// Clipboard API 不可用时直接使用降级方案
fallbackCopyTextToClipboard(code1787864367t53BK);
}
// 提取降级方案为独立函数
function fallbackCopyTextToClipboard(text) {
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textArea.value = text;
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textArea.select();
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document.execCommand('copy');
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bottomBtn1787864367t53BK.click();
});
</script><div class="ce-block" data-id="qnBXJyv6yv" >
<div class="ce-block__content" style="">
<h3 class="ce-header ce-header--left">Linux / macOS</h3>
</div>
</div><div class="ce-block ce-block--focused" data-id="kgGfRsEbhL" >
<div class="ce-block__content">
<div class="editorjs-codeFlask_Wrapper">
<div class="editorjs-codeFlask_Header">
<div class="editorjs-codeFlask_LangDisplay">shell</div>
<button class="editorjs-codeFlask_CopyButton" title="复制代码" id="codeflask-copy-kgGfRsEbhL">
<svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round">
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<path d="M5 15H4a2 2 0 0 1-2-2V4a2 2 0 0 1 2-2h9a2 2 0 0 1 2 2v1"></path>
</svg>
</button>
<button class="editorjs-codeFlask_Toggle" id="codeflask-Toggle-kgGfRsEbhL">
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<polyline points="6 9 12 15 18 9"></polyline>
</svg>
</button>
</div>
<div class="editorjs-codeFlask_ContentContainer">
<div class="editorjs-codeFlask_Editor" id="codeflask-kgGfRsEbhL" >
</div>
</div>
<div class="editorjs-codeFlask_BottomButtonContainer" id="codeflask-bottomBtn-kgGfRsEbhL">
<button class="editorjs-codeFlask_BottomToggle expand-mode" title="展开代码" data-empty="false"><span class="toggle-icon">▼</span> 展开</button>
</div>
</div>
</div>
</div>
<script type="text/javascript" src="static/js/editorjs/tools/codeflask/codeflask150.min.js?hS9"></script>
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flask1787864367S4e90.addLanguage('shell', Prism.languages['shell']);
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// do something with code here.
// this will trigger whenever the code
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// console.log(code)
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flask1787864367S4e90.updateCode(code1787864367S4e90);
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var coderow1787864367S4e90 = parseInt('');
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editorElem1787864367S4e90.style.height = '300px';
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editorElem1787864367S4e90.parentElement.style.height = '500px';
editorElem1787864367S4e90.style.height = '500px';
}
//console.log({currentCode1787864367S4e90})
const copyBtn1787864367S4e90 = document.getElementById('codeflask-copy-kgGfRsEbhL');
copyBtn1787864367S4e90.addEventListener('click', function() {
try {
// 先检查 Clipboard API 是否可用
if (navigator.clipboard && navigator.clipboard.writeText) {
// 使用 Clipboard API 复制代码
navigator.clipboard.writeText(code1787864367S4e90).then(function() {
// 复制成功提示
const originalText = copyBtn1787864367S4e90.innerHTML;
copyBtn1787864367S4e90.innerHTML = '<svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><polyline points="20 6 9 17 4 12"></polyline></svg> 已复制';
// 一段时间后恢复原文本
setTimeout(function() {
copyBtn1787864367S4e90.innerHTML = originalText;
}, 2000);
}).catch(function(err) {
// 复制失败处理
console.error('复制失败:', err);
// 降级方案：使用传统的复制方法
fallbackCopyTextToClipboard(code1787864367S4e90);
});
} else {
// Clipboard API 不可用时直接使用降级方案
fallbackCopyTextToClipboard(code1787864367S4e90);
}
// 提取降级方案为独立函数
function fallbackCopyTextToClipboard(text) {
const textArea = document.createElement('textarea');
textArea.value = text;
textArea.style.position = 'fixed';
textArea.style.opacity = '0';
document.body.appendChild(textArea);
textArea.select();
try {
document.execCommand('copy');
const originalText = copyBtn1787864367S4e90.innerHTML;
copyBtn1787864367S4e90.innerHTML = '<svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><polyline points="20 6 9 17 4 12"></polyline></svg> 已复制';
setTimeout(function() {
copyBtn1787864367S4e90.innerHTML = originalText;
}, 2000);
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console.error('传统复制方法也失败了:', copyErr);
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document.body.removeChild(textArea);
}
}
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console.error('复制功能不可用:', err);
}
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editorElem1787864367S4e90.parentElement.style.height = actualHeight1787864367S4e90 + 'px';
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}
bottomBtn1787864367S4e90.innerHTML = '<button class="editorjs-codeFlask_BottomToggle" title="折叠代码"><span class="toggle-icon">▲</span> 折叠</button>';
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bottomBtn1787864367S4e90.innerHTML = '<button class="editorjs-codeFlask_BottomToggle expand-mode" title="展开代码" data-empty="false"><span class="toggle-icon">▼</span> 展开</button>';
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});
Toggle1787864367S4e90.addEventListener('click', function() {
bottomBtn1787864367S4e90.click();
});
</script><div class="ce-block ce-block--focused" data-id="okKOdbe76T" >
<div class="ce-block__content">
<div class="ce-paragraph cdx-block ce-paragraph--left">如果你的系统没有<span> </span><code>ssh-copy-id</code>，也可以用：</div>
</div>
</div><div class="ce-block ce-block--focused" data-id="F4fy54wbcZ" >
<div class="ce-block__content">
<div class="editorjs-codeFlask_Wrapper">
<div class="editorjs-codeFlask_Header">
<div class="editorjs-codeFlask_LangDisplay">shell</div>
<button class="editorjs-codeFlask_CopyButton" title="复制代码" id="codeflask-copy-F4fy54wbcZ">
<svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round">
<rect x="9" y="9" width="13" height="13" rx="2" ry="2"></rect>
<path d="M5 15H4a2 2 0 0 1-2-2V4a2 2 0 0 1 2-2h9a2 2 0 0 1 2 2v1"></path>
</svg>
</button>
<button class="editorjs-codeFlask_Toggle" id="codeflask-Toggle-F4fy54wbcZ">
<svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round">
<polyline points="6 9 12 15 18 9"></polyline>
</svg>
</button>
</div>
<div class="editorjs-codeFlask_ContentContainer">
<div class="editorjs-codeFlask_Editor" id="codeflask-F4fy54wbcZ" >
</div>
</div>
<div class="editorjs-codeFlask_BottomButtonContainer" id="codeflask-bottomBtn-F4fy54wbcZ">
<button class="editorjs-codeFlask_BottomToggle expand-mode" title="展开代码" data-empty="false"><span class="toggle-icon">▼</span> 展开</button>
</div>
</div>
</div>
</div>
<script type="text/javascript" src="static/js/editorjs/tools/codeflask/codeflask150.min.js?hS9"></script>
<script type="application/javascript">
const editorElem1787864367Z0QHW = document.getElementById('codeflask-F4fy54wbcZ');
var isCollapsed1787864367Z0QHW = true;
const flask1787864367Z0QHW = new CodeFlask(editorElem1787864367Z0QHW, {
language: 'shell',
lineNumbers: true,
styleParent: this.shadowRoot,
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var code1787864367Z0QHW = `cat ~/.ssh/server1_ed25519.pub | ssh root@1.2.3.4 "mkdir -p ~/.ssh && cat >> ~/.ssh/authorized_keys && chmod 700 ~/.ssh && chmod 600 ~/.ssh/authorized_keys"`;
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flask1787864367Z0QHW.addLanguage('shell', Prism.languages['shell']);
flask1787864367Z0QHW.onUpdate((code) => {
// do something with code here.
// this will trigger whenever the code
// in the editor changes.
// console.log(code)
});
// flask.updateCode('');
// This will also trigger .onUpdate()
flask1787864367Z0QHW.updateCode(code1787864367Z0QHW);
const currentCode1787864367Z0QHW = flask1787864367Z0QHW.getCode();
var coderow1787864367Z0QHW = parseInt('');
if (coderow1787864367Z0QHW === undefined || coderow1787864367Z0QHW !== coderow1787864367Z0QHW || coderow1787864367Z0QHW === 0) {
coderow1787864367Z0QHW = flask1787864367Z0QHW.lineNumber;
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if (coderow1787864367Z0QHW < 20) {
editorElem1787864367Z0QHW.parentElement.style.height = '300px';
editorElem1787864367Z0QHW.style.height = '300px';
} else if (coderow1787864367Z0QHW >= 20) {
editorElem1787864367Z0QHW.parentElement.style.height = '500px';
editorElem1787864367Z0QHW.style.height = '500px';
}
//console.log({currentCode1787864367Z0QHW})
const copyBtn1787864367Z0QHW = document.getElementById('codeflask-copy-F4fy54wbcZ');
copyBtn1787864367Z0QHW.addEventListener('click', function() {
try {
// 先检查 Clipboard API 是否可用
if (navigator.clipboard && navigator.clipboard.writeText) {
// 使用 Clipboard API 复制代码
navigator.clipboard.writeText(code1787864367Z0QHW).then(function() {
// 复制成功提示
const originalText = copyBtn1787864367Z0QHW.innerHTML;
copyBtn1787864367Z0QHW.innerHTML = '<svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><polyline points="20 6 9 17 4 12"></polyline></svg> 已复制';
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setTimeout(function() {
copyBtn1787864367Z0QHW.innerHTML = originalText;
}, 2000);
}).catch(function(err) {
// 复制失败处理
console.error('复制失败:', err);
// 降级方案：使用传统的复制方法
fallbackCopyTextToClipboard(code1787864367Z0QHW);
});
} else {
// Clipboard API 不可用时直接使用降级方案
fallbackCopyTextToClipboard(code1787864367Z0QHW);
}
// 提取降级方案为独立函数
function fallbackCopyTextToClipboard(text) {
const textArea = document.createElement('textarea');
textArea.value = text;
textArea.style.position = 'fixed';
textArea.style.opacity = '0';
document.body.appendChild(textArea);
textArea.select();
try {
document.execCommand('copy');
const originalText = copyBtn1787864367Z0QHW.innerHTML;
copyBtn1787864367Z0QHW.innerHTML = '<svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><polyline points="20 6 9 17 4 12"></polyline></svg> 已复制';
setTimeout(function() {
copyBtn1787864367Z0QHW.innerHTML = originalText;
}, 2000);
} catch (copyErr) {
console.error('传统复制方法也失败了:', copyErr);
} finally {
document.body.removeChild(textArea);
}
}
} catch (err) {
console.error('复制功能不可用:', err);
}
});
const bottomBtn1787864367Z0QHW = document.getElementById('codeflask-bottomBtn-F4fy54wbcZ');
const Toggle1787864367Z0QHW = document.getElementById('codeflask-Toggle-F4fy54wbcZ');
bottomBtn1787864367Z0QHW.addEventListener('click', function() {
if (isCollapsed1787864367Z0QHW) {
// 展开代码
isCollapsed1787864367Z0QHW = false;
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if (codeElement1787864367Z0QHW) {
const actualHeight1787864367Z0QHW = codeElement1787864367Z0QHW.scrollHeight + 20;
editorElem1787864367Z0QHW.parentElement.style.height = actualHeight1787864367Z0QHW + 'px';
editorElem1787864367Z0QHW.style.height = actualHeight1787864367Z0QHW + 'px';
}
bottomBtn1787864367Z0QHW.innerHTML = '<button class="editorjs-codeFlask_BottomToggle" title="折叠代码"><span class="toggle-icon">▲</span> 折叠</button>';
Toggle1787864367Z0QHW.innerHTML = '<svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><polyline points="9 18 15 12 9 6"></polyline></svg>';
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// 折叠代码
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editorElem1787864367Z0QHW.parentElement.style.height = '300px';
editorElem1787864367Z0QHW.style.height = '300px';
} else if (coderow1787864367Z0QHW >= 20) {
editorElem1787864367Z0QHW.parentElement.style.height = '500px';
editorElem1787864367Z0QHW.style.height = '500px';
}
bottomBtn1787864367Z0QHW.innerHTML = '<button class="editorjs-codeFlask_BottomToggle expand-mode" title="展开代码" data-empty="false"><span class="toggle-icon">▼</span> 展开</button>';
Toggle1787864367Z0QHW.innerHTML = '<svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><polyline points="6 9 12 15 18 9"></polyline></svg>';
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});
Toggle1787864367Z0QHW.addEventListener('click', function() {
bottomBtn1787864367Z0QHW.click();
});
</script><div class="ce-block" data-id="tXjgimaesu" >
<div class="ce-block__content" style="">
<h2 class="ce-header ce-header--left">四、测试密钥登录</h2>
</div>
</div><div class="ce-block" data-id="fRmKFHwY-K" >
<div class="ce-block__content" style="">
<h3 class="ce-header ce-header--left">Windows PowerShell</h3>
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<h3 class="ce-header ce-header--left">Linux / macOS</h3>
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</div><div class="ce-block ce-block--focused" data-id="4MZhl54QB3" >
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</script><div class="ce-block ce-block--focused" data-id="kQUwiMQ_7B" >
<div class="ce-block__content">
<div class="ce-paragraph cdx-block ce-paragraph--left">如果可以正常登录，说明密钥配置成功。</div>
</div>
</div><div class="ce-block" data-id="LTg7hWmYcC" >
<div class="ce-block__content" style="">
<h2 class="ce-header ce-header--left">五、一键修改 SSH 端口并关闭密码登录</h2>
</div>
</div><div class="ce-block ce-block--focused" data-id="j_2ll02P75" >
<div class="ce-block__content">
<div class="ce-paragraph cdx-block ce-paragraph--left">用密码先登录到服务器</div>
</div>
</div><div class="ce-block ce-block--focused" data-id="fE0mN-vVwt" >
<div class="ce-block__content">
<div class="ce-paragraph cdx-block ce-paragraph--left">在服务器上执行下面命令。</div>
</div>
</div><div class="ce-block ce-block--focused" data-id="2q-3Dcxpgj" >
<div class="ce-block__content">
<div class="ce-paragraph cdx-block ce-paragraph--left">示例端口是<span> </span><code><code class="inline-code">22222</code></code>，可以自行修改：</div>
</div>
</div><div class="ce-block ce-block--focused" data-id="SDjRspH9L5" >
<div class="ce-block__content">
<div class="ce-paragraph cdx-block ce-paragraph--left">NEW_PORT=22222</div>
</div>
</div><div class="ce-block ce-block--focused" data-id="a58iHXgCrW" >
<div class="ce-block__content">
<div class="ce-paragraph cdx-block ce-paragraph--left">mkdir -p /etc/ssh/sshd_config.d</div>
</div>
</div><div class="ce-block ce-block--focused" data-id="qSfahSN9r8" >
<div class="ce-block__content">
<div class="ce-paragraph cdx-block ce-paragraph--left">cp -a /etc/ssh/sshd_config /etc/ssh/sshd_config.bak.$(date +%F-%H%M%S)</div>
</div>
</div><div class="ce-block ce-block--focused" data-id="t25RsQTezQ" >
<div class="ce-block__content">
<div class="ce-paragraph cdx-block ce-paragraph--left">cat > /etc/ssh/sshd_config.d/99-custom-ssh.conf <<EOF</div>
</div>
</div><div class="ce-block ce-block--focused" data-id="vl8l-N0V39" >
<div class="ce-block__content">
<div class="ce-paragraph cdx-block ce-paragraph--left"># 自定义 SSH 端口</div>
</div>
</div><div class="ce-block ce-block--focused" data-id="NTUZCJhm4R" >
<div class="ce-block__content">
<div class="ce-paragraph cdx-block ce-paragraph--left">Port ${NEW_PORT}</div>
</div>
</div><div class="ce-block ce-block--focused" data-id="hR6eWZd9ol" >
<div class="ce-block__content">
<div class="ce-paragraph cdx-block ce-paragraph--left"># 开启 SSH 密钥登录</div>
</div>
</div><div class="ce-block ce-block--focused" data-id="2z9K7MfnNZ" >
<div class="ce-block__content">
<div class="ce-paragraph cdx-block ce-paragraph--left">PubkeyAuthentication yes</div>
</div>
</div><div class="ce-block ce-block--focused" data-id="bbGqTcl3Hs" >
<div class="ce-block__content">
<div class="ce-paragraph cdx-block ce-paragraph--left"># 禁止 SSH 密码登录</div>
</div>
</div><div class="ce-block ce-block--focused" data-id="5VU4mxyMj3" >
<div class="ce-block__content">
<div class="ce-paragraph cdx-block ce-paragraph--left">PasswordAuthentication no</div>
</div>
</div><div class="ce-block ce-block--focused" data-id="Nbq5Cv9K7d" >
<div class="ce-block__content">
<div class="ce-paragraph cdx-block ce-paragraph--left">KbdInteractiveAuthentication no</div>
</div>
</div><div class="ce-block ce-block--focused" data-id="E0cvhERhEb" >
<div class="ce-block__content">
<div class="ce-paragraph cdx-block ce-paragraph--left">ChallengeResponseAuthentication no</div>
</div>
</div><div class="ce-block ce-block--focused" data-id="ok6iVxldQP" >
<div class="ce-block__content">
<div class="ce-paragraph cdx-block ce-paragraph--left"># root 用户只允许密钥登录</div>
</div>
</div><div class="ce-block ce-block--focused" data-id="SBut5I2egP" >
<div class="ce-block__content">
<div class="ce-paragraph cdx-block ce-paragraph--left">PermitRootLogin prohibit-password</div>
</div>
</div><div class="ce-block ce-block--focused" data-id="TgZxcl1uX0" >
<div class="ce-block__content">
<div class="ce-paragraph cdx-block ce-paragraph--left">EOF</div>
</div>
</div><div class="ce-block ce-block--focused" data-id="fBH2l7R8CR" >
<div class="ce-block__content">
<div class="ce-paragraph cdx-block ce-paragraph--left"># 如果安装了 UFW，则自动放行新的 SSH 端口</div>
</div>
</div><div class="ce-block ce-block--focused" data-id="uoY0wWq39E" >
<div class="ce-block__content">
<div class="ce-paragraph cdx-block ce-paragraph--left">if command -v ufw >/dev/null 2>&1; then</div>
</div>
</div><div class="ce-block ce-block--focused" data-id="YS2Qr_tztw" >
<div class="ce-block__content">
<div class="ce-paragraph cdx-block ce-paragraph--left">ufw allow ${NEW_PORT}/tcp comment "放行自定义 SSH 端口"</div>
</div>
</div><div class="ce-block ce-block--focused" data-id="l_L-9JzchQ" >
<div class="ce-block__content">
<div class="ce-paragraph cdx-block ce-paragraph--left">fi</div>
</div>
</div><div class="ce-block ce-block--focused" data-id="f0Z1T1jjpQ" >
<div class="ce-block__content">
<div class="ce-paragraph cdx-block ce-paragraph--left"># 检查 SSH 配置并重载 SSH 服务</div>
</div>
</div><div class="ce-block ce-block--focused" data-id="UxvFHO8DZc" >
<div class="ce-block__content">
<div class="ce-paragraph cdx-block ce-paragraph--left">sshd -t && systemctl reload ssh || systemctl reload sshd</div>
</div>
</div><div class="ce-block ce-block--focused" data-id="BsBB_Pfx_3" >
<div class="ce-block__content">
<div class="editorjs-codeFlask_Wrapper">
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<div class="editorjs-codeFlask_LangDisplay">shell</div>
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mkdir -p /etc/ssh/sshd_config.d
cp -a /etc/ssh/sshd_config /etc/ssh/sshd_config.bak.$(date +%F-%H%M%S)
cat > /etc/ssh/sshd_config.d/99-custom-ssh.conf <<EOF
# 自定义 SSH 端口
Port ${NEW_PORT}
# 开启 SSH 密钥登录
PubkeyAuthentication yes
# 禁止 SSH 密码登录
PasswordAuthentication no
KbdInteractiveAuthentication no
ChallengeResponseAuthentication no
# root 用户只允许密钥登录
PermitRootLogin prohibit-password
EOF
# 如果安装了 UFW，则自动放行新的 SSH 端口
if command -v ufw >/dev/null 2>&1; then
ufw allow ${NEW_PORT}/tcp comment "放行自定义 SSH 端口"
fi
# 检查 SSH 配置并重载 SSH 服务
sshd -t && systemctl reload ssh || systemctl reload sshd`;
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// do something with code here.
// this will trigger whenever the code
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// console.log(code)
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flask1787864367JCNhg.updateCode(code1787864367JCNhg);
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bottomBtn1787864367JCNhg.click();
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</script><div class="ce-block" data-id="lmR3s81OS6" >
<div class="ce-block__content" style="">
<h2 class="ce-header ce-header--left">六、测试新端口登录</h2>
</div>
</div><div class="ce-block ce-block--focused" data-id="7_7wyJ3Bsg" >
<div class="ce-block__content">
<div class="ce-paragraph cdx-block ce-paragraph--left">不要关闭当前 SSH 窗口，新开一个窗口测试。</div>
</div>
</div><div class="ce-block" data-id="qJxcU_kkgN" >
<div class="ce-block__content" style="">
<h3 class="ce-header ce-header--left">Windows PowerShell</h3>
</div>
</div><div class="ce-block ce-block--focused" data-id="j4i0zaNLid" >
<div class="ce-block__content">
<div class="editorjs-codeFlask_Wrapper">
<div class="editorjs-codeFlask_Header">
<div class="editorjs-codeFlask_LangDisplay">shell</div>
<button class="editorjs-codeFlask_CopyButton" title="复制代码" id="codeflask-copy-j4i0zaNLid">
<svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round">
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<path d="M5 15H4a2 2 0 0 1-2-2V4a2 2 0 0 1 2-2h9a2 2 0 0 1 2 2v1"></path>
</svg>
</button>
<button class="editorjs-codeFlask_Toggle" id="codeflask-Toggle-j4i0zaNLid">
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<div class="editorjs-codeFlask_ContentContainer">
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<button class="editorjs-codeFlask_BottomToggle expand-mode" title="展开代码" data-empty="false"><span class="toggle-icon">▼</span> 展开</button>
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</div>
</div>
</div>
<script type="text/javascript" src="static/js/editorjs/tools/codeflask/codeflask150.min.js?hS9"></script>
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language: 'shell',
lineNumbers: true,
styleParent: this.shadowRoot,
rtl: false,
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var code1787864367Ew7wu = `ssh -i "$env:USERPROFILE\.ssh\server1_ed25519" -p 22222 root@1.2.3.4`;
code1787864367Ew7wu = code1787864367Ew7wu.replace(/&/g, "&").replace(/</g, "<").replace(/>/g, ">").replace(/"/g, '"').replace(/'/g, "'");
flask1787864367Ew7wu.addLanguage('shell', Prism.languages['shell']);
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// do something with code here.
// this will trigger whenever the code
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// console.log(code)
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// This will also trigger .onUpdate()
flask1787864367Ew7wu.updateCode(code1787864367Ew7wu);
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navigator.clipboard.writeText(code1787864367Ew7wu).then(function() {
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bottomBtn1787864367Ew7wu.click();
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</script><div class="ce-block" data-id="gOB1SN1bpT" >
<div class="ce-block__content" style="">
<h3 class="ce-header ce-header--left">Linux / macOS</h3>
</div>
</div><div class="ce-block ce-block--focused" data-id="OjTQWK-IOh" >
<div class="ce-block__content">
<div class="editorjs-codeFlask_Wrapper">
<div class="editorjs-codeFlask_Header">
<div class="editorjs-codeFlask_LangDisplay">shell</div>
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flask1787864367BTOw7.updateCode(code1787864367BTOw7);
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navigator.clipboard.writeText(code1787864367BTOw7).then(function() {
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Toggle1787864367BTOw7.innerHTML = '<svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><polyline points="9 18 15 12 9 6"></polyline></svg>';
} else {
// 折叠代码
isCollapsed1787864367BTOw7 = true;
if (coderow1787864367BTOw7 < 20) {
editorElem1787864367BTOw7.parentElement.style.height = '300px';
editorElem1787864367BTOw7.style.height = '300px';
} else if (coderow1787864367BTOw7 >= 20) {
editorElem1787864367BTOw7.parentElement.style.height = '500px';
editorElem1787864367BTOw7.style.height = '500px';
}
bottomBtn1787864367BTOw7.innerHTML = '<button class="editorjs-codeFlask_BottomToggle expand-mode" title="展开代码" data-empty="false"><span class="toggle-icon">▼</span> 展开</button>';
Toggle1787864367BTOw7.innerHTML = '<svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><polyline points="6 9 12 15 18 9"></polyline></svg>';
}
});
Toggle1787864367BTOw7.addEventListener('click', function() {
bottomBtn1787864367BTOw7.click();
});
</script><div class="ce-block ce-block--focused" data-id="YPuFbG8TLo" >
<div class="ce-block__content">
<div class="ce-paragraph cdx-block ce-paragraph--left">如果可以正常登录，说明修改成功。</div>
</div>
</div><div class="ce-block" data-id="6TxjRhoqYx" >
<div class="ce-block__content" style="">
<h2 class="ce-header ce-header--left">七、关闭旧的 22 端口</h2>
</div>
</div><div class="ce-block ce-block--focused" data-id="SRogPPUMcu" >
<div class="ce-block__content">
<div class="ce-paragraph cdx-block ce-paragraph--left">确认新端口可以正常登录后，再关闭旧端口。</div>
</div>
</div><div class="ce-block ce-block--focused" data-id="HJr2bLbiBU" >
<div class="ce-block__content">
<div class="ce-paragraph cdx-block ce-paragraph--left">如果你使用 UFW，可以执行：</div>
</div>
</div><div class="ce-block ce-block--focused" data-id="MR2I42v_cb" >
<div class="ce-block__content">
<div class="editorjs-codeFlask_Wrapper">
<div class="editorjs-codeFlask_Header">
<div class="editorjs-codeFlask_LangDisplay">shell</div>
<button class="editorjs-codeFlask_CopyButton" title="复制代码" id="codeflask-copy-MR2I42v_cb">
<svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round">
<rect x="9" y="9" width="13" height="13" rx="2" ry="2"></rect>
<path d="M5 15H4a2 2 0 0 1-2-2V4a2 2 0 0 1 2-2h9a2 2 0 0 1 2 2v1"></path>
</svg>
</button>
<button class="editorjs-codeFlask_Toggle" id="codeflask-Toggle-MR2I42v_cb">
<svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round">
<polyline points="6 9 12 15 18 9"></polyline>
</svg>
</button>
</div>
<div class="editorjs-codeFlask_ContentContainer">
<div class="editorjs-codeFlask_Editor" id="codeflask-MR2I42v_cb" >
</div>
</div>
<div class="editorjs-codeFlask_BottomButtonContainer" id="codeflask-bottomBtn-MR2I42v_cb">
<button class="editorjs-codeFlask_BottomToggle expand-mode" title="展开代码" data-empty="false"><span class="toggle-icon">▼</span> 展开</button>
</div>
</div>
</div>
</div>
<script type="text/javascript" src="static/js/editorjs/tools/codeflask/codeflask150.min.js?hS9"></script>
<script type="application/javascript">
const editorElem1787864367JtCt2 = document.getElementById('codeflask-MR2I42v_cb');
var isCollapsed1787864367JtCt2 = true;
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language: 'shell',
lineNumbers: true,
styleParent: this.shadowRoot,
rtl: false,
readonly: true
});
var code1787864367JtCt2 = `ufw deny 22/tcp comment "阻断 SSH 端口 22"`;
code1787864367JtCt2 = code1787864367JtCt2.replace(/&/g, "&").replace(/</g, "<").replace(/>/g, ">").replace(/"/g, '"').replace(/'/g, "'");
flask1787864367JtCt2.addLanguage('shell', Prism.languages['shell']);
flask1787864367JtCt2.onUpdate((code) => {
// do something with code here.
// this will trigger whenever the code
// in the editor changes.
// console.log(code)
});
// flask.updateCode('');
// This will also trigger .onUpdate()
flask1787864367JtCt2.updateCode(code1787864367JtCt2);
const currentCode1787864367JtCt2 = flask1787864367JtCt2.getCode();
var coderow1787864367JtCt2 = parseInt('');
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editorElem1787864367JtCt2.style.height = '300px';
} else if (coderow1787864367JtCt2 >= 20) {
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editorElem1787864367JtCt2.style.height = '500px';
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const copyBtn1787864367JtCt2 = document.getElementById('codeflask-copy-MR2I42v_cb');
copyBtn1787864367JtCt2.addEventListener('click', function() {
try {
// 先检查 Clipboard API 是否可用
if (navigator.clipboard && navigator.clipboard.writeText) {
// 使用 Clipboard API 复制代码
navigator.clipboard.writeText(code1787864367JtCt2).then(function() {
// 复制成功提示
const originalText = copyBtn1787864367JtCt2.innerHTML;
copyBtn1787864367JtCt2.innerHTML = '<svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><polyline points="20 6 9 17 4 12"></polyline></svg> 已复制';
// 一段时间后恢复原文本
setTimeout(function() {
copyBtn1787864367JtCt2.innerHTML = originalText;
}, 2000);
}).catch(function(err) {
// 复制失败处理
console.error('复制失败:', err);
// 降级方案：使用传统的复制方法
fallbackCopyTextToClipboard(code1787864367JtCt2);
});
} else {
// Clipboard API 不可用时直接使用降级方案
fallbackCopyTextToClipboard(code1787864367JtCt2);
}
// 提取降级方案为独立函数
function fallbackCopyTextToClipboard(text) {
const textArea = document.createElement('textarea');
textArea.value = text;
textArea.style.position = 'fixed';
textArea.style.opacity = '0';
document.body.appendChild(textArea);
textArea.select();
try {
document.execCommand('copy');
const originalText = copyBtn1787864367JtCt2.innerHTML;
copyBtn1787864367JtCt2.innerHTML = '<svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><polyline points="20 6 9 17 4 12"></polyline></svg> 已复制';
setTimeout(function() {
copyBtn1787864367JtCt2.innerHTML = originalText;
}, 2000);
} catch (copyErr) {
console.error('传统复制方法也失败了:', copyErr);
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document.body.removeChild(textArea);
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} catch (err) {
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// 展开代码
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const codeElement1787864367JtCt2 = editorElem1787864367JtCt2.querySelector('.codeflask__code');
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editorElem1787864367JtCt2.parentElement.style.height = actualHeight1787864367JtCt2 + 'px';
editorElem1787864367JtCt2.style.height = actualHeight1787864367JtCt2 + 'px';
}
bottomBtn1787864367JtCt2.innerHTML = '<button class="editorjs-codeFlask_BottomToggle" title="折叠代码"><span class="toggle-icon">▲</span> 折叠</button>';
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// 折叠代码
isCollapsed1787864367JtCt2 = true;
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editorElem1787864367JtCt2.parentElement.style.height = '300px';
editorElem1787864367JtCt2.style.height = '300px';
} else if (coderow1787864367JtCt2 >= 20) {
editorElem1787864367JtCt2.parentElement.style.height = '500px';
editorElem1787864367JtCt2.style.height = '500px';
}
bottomBtn1787864367JtCt2.innerHTML = '<button class="editorjs-codeFlask_BottomToggle expand-mode" title="展开代码" data-empty="false"><span class="toggle-icon">▼</span> 展开</button>';
Toggle1787864367JtCt2.innerHTML = '<svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><polyline points="6 9 12 15 18 9"></polyline></svg>';
}
});
Toggle1787864367JtCt2.addEventListener('click', function() {
bottomBtn1787864367JtCt2.click();
});
</script><div class="ce-block ce-block--focused" data-id="imP0YdxWLx" >
<div class="ce-block__content">
<div class="ce-paragraph cdx-block ce-paragraph--left">或者删除原来的 22 放行规则：</div>
</div>
</div><div class="ce-block ce-block--focused" data-id="Hg-vNnSXzE" >
<div class="ce-block__content">
<div class="editorjs-codeFlask_Wrapper">
<div class="editorjs-codeFlask_Header">
<div class="editorjs-codeFlask_LangDisplay">shell</div>
<button class="editorjs-codeFlask_CopyButton" title="复制代码" id="codeflask-copy-Hg-vNnSXzE">
<svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round">
<rect x="9" y="9" width="13" height="13" rx="2" ry="2"></rect>
<path d="M5 15H4a2 2 0 0 1-2-2V4a2 2 0 0 1 2-2h9a2 2 0 0 1 2 2v1"></path>
</svg>
</button>
<button class="editorjs-codeFlask_Toggle" id="codeflask-Toggle-Hg-vNnSXzE">
<svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round">
<polyline points="6 9 12 15 18 9"></polyline>
</svg>
</button>
</div>
<div class="editorjs-codeFlask_ContentContainer">
<div class="editorjs-codeFlask_Editor" id="codeflask-Hg-vNnSXzE" >
</div>
</div>
<div class="editorjs-codeFlask_BottomButtonContainer" id="codeflask-bottomBtn-Hg-vNnSXzE">
<button class="editorjs-codeFlask_BottomToggle expand-mode" title="展开代码" data-empty="false"><span class="toggle-icon">▼</span> 展开</button>
</div>
</div>
</div>
</div>
<script type="text/javascript" src="static/js/editorjs/tools/codeflask/codeflask150.min.js?hS9"></script>
<script type="application/javascript">
const editorElem1787864367sshx3 = document.getElementById('codeflask-Hg-vNnSXzE');
var isCollapsed1787864367sshx3 = true;
const flask1787864367sshx3 = new CodeFlask(editorElem1787864367sshx3, {
language: 'shell',
lineNumbers: true,
styleParent: this.shadowRoot,
rtl: false,
readonly: true
});
var code1787864367sshx3 = `ufw delete allow 22/tcp`;
code1787864367sshx3 = code1787864367sshx3.replace(/&/g, "&").replace(/</g, "<").replace(/>/g, ">").replace(/"/g, '"').replace(/'/g, "'");
flask1787864367sshx3.addLanguage('shell', Prism.languages['shell']);
flask1787864367sshx3.onUpdate((code) => {
// do something with code here.
// this will trigger whenever the code
// in the editor changes.
// console.log(code)
});
// flask.updateCode('');
// This will also trigger .onUpdate()
flask1787864367sshx3.updateCode(code1787864367sshx3);
const currentCode1787864367sshx3 = flask1787864367sshx3.getCode();
var coderow1787864367sshx3 = parseInt('');
if (coderow1787864367sshx3 === undefined || coderow1787864367sshx3 !== coderow1787864367sshx3 || coderow1787864367sshx3 === 0) {
coderow1787864367sshx3 = flask1787864367sshx3.lineNumber;
}
if (coderow1787864367sshx3 < 20) {
editorElem1787864367sshx3.parentElement.style.height = '300px';
editorElem1787864367sshx3.style.height = '300px';
} else if (coderow1787864367sshx3 >= 20) {
editorElem1787864367sshx3.parentElement.style.height = '500px';
editorElem1787864367sshx3.style.height = '500px';
}
//console.log({currentCode1787864367sshx3})
const copyBtn1787864367sshx3 = document.getElementById('codeflask-copy-Hg-vNnSXzE');
copyBtn1787864367sshx3.addEventListener('click', function() {
try {
// 先检查 Clipboard API 是否可用
if (navigator.clipboard && navigator.clipboard.writeText) {
// 使用 Clipboard API 复制代码
navigator.clipboard.writeText(code1787864367sshx3).then(function() {
// 复制成功提示
const originalText = copyBtn1787864367sshx3.innerHTML;
copyBtn1787864367sshx3.innerHTML = '<svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><polyline points="20 6 9 17 4 12"></polyline></svg> 已复制';
// 一段时间后恢复原文本
setTimeout(function() {
copyBtn1787864367sshx3.innerHTML = originalText;
}, 2000);
}).catch(function(err) {
// 复制失败处理
console.error('复制失败:', err);
// 降级方案：使用传统的复制方法
fallbackCopyTextToClipboard(code1787864367sshx3);
});
} else {
// Clipboard API 不可用时直接使用降级方案
fallbackCopyTextToClipboard(code1787864367sshx3);
}
// 提取降级方案为独立函数
function fallbackCopyTextToClipboard(text) {
const textArea = document.createElement('textarea');
textArea.value = text;
textArea.style.position = 'fixed';
textArea.style.opacity = '0';
document.body.appendChild(textArea);
textArea.select();
try {
document.execCommand('copy');
const originalText = copyBtn1787864367sshx3.innerHTML;
copyBtn1787864367sshx3.innerHTML = '<svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><polyline points="20 6 9 17 4 12"></polyline></svg> 已复制';
setTimeout(function() {
copyBtn1787864367sshx3.innerHTML = originalText;
}, 2000);
} catch (copyErr) {
console.error('传统复制方法也失败了:', copyErr);
} finally {
document.body.removeChild(textArea);
}
}
} catch (err) {
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}
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bottomBtn1787864367sshx3.addEventListener('click', function() {
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// 展开代码
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if (codeElement1787864367sshx3) {
const actualHeight1787864367sshx3 = codeElement1787864367sshx3.scrollHeight + 20;
editorElem1787864367sshx3.parentElement.style.height = actualHeight1787864367sshx3 + 'px';
editorElem1787864367sshx3.style.height = actualHeight1787864367sshx3 + 'px';
}
bottomBtn1787864367sshx3.innerHTML = '<button class="editorjs-codeFlask_BottomToggle" title="折叠代码"><span class="toggle-icon">▲</span> 折叠</button>';
Toggle1787864367sshx3.innerHTML = '<svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><polyline points="9 18 15 12 9 6"></polyline></svg>';
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// 折叠代码
isCollapsed1787864367sshx3 = true;
if (coderow1787864367sshx3 < 20) {
editorElem1787864367sshx3.parentElement.style.height = '300px';
editorElem1787864367sshx3.style.height = '300px';
} else if (coderow1787864367sshx3 >= 20) {
editorElem1787864367sshx3.parentElement.style.height = '500px';
editorElem1787864367sshx3.style.height = '500px';
}
bottomBtn1787864367sshx3.innerHTML = '<button class="editorjs-codeFlask_BottomToggle expand-mode" title="展开代码" data-empty="false"><span class="toggle-icon">▼</span> 展开</button>';
Toggle1787864367sshx3.innerHTML = '<svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><polyline points="6 9 12 15 18 9"></polyline></svg>';
}
});
Toggle1787864367sshx3.addEventListener('click', function() {
bottomBtn1787864367sshx3.click();
});
</script><div class="ce-block ce-block--focused" data-id="5niOt8VCzV" >
<div class="ce-block__content">
<div class="ce-paragraph cdx-block ce-paragraph--left">查看当前防火墙规则：</div>
</div>
</div><div class="ce-block ce-block--focused" data-id="FEtIN6dak8" >
<div class="ce-block__content">
<div class="editorjs-codeFlask_Wrapper">
<div class="editorjs-codeFlask_Header">
<div class="editorjs-codeFlask_LangDisplay">shell</div>
<button class="editorjs-codeFlask_CopyButton" title="复制代码" id="codeflask-copy-FEtIN6dak8">
<svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round">
<rect x="9" y="9" width="13" height="13" rx="2" ry="2"></rect>
<path d="M5 15H4a2 2 0 0 1-2-2V4a2 2 0 0 1 2-2h9a2 2 0 0 1 2 2v1"></path>
</svg>
</button>
<button class="editorjs-codeFlask_Toggle" id="codeflask-Toggle-FEtIN6dak8">
<svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round">
<polyline points="6 9 12 15 18 9"></polyline>
</svg>
</button>
</div>
<div class="editorjs-codeFlask_ContentContainer">
<div class="editorjs-codeFlask_Editor" id="codeflask-FEtIN6dak8" >
</div>
</div>
<div class="editorjs-codeFlask_BottomButtonContainer" id="codeflask-bottomBtn-FEtIN6dak8">
<button class="editorjs-codeFlask_BottomToggle expand-mode" title="展开代码" data-empty="false"><span class="toggle-icon">▼</span> 展开</button>
</div>
</div>
</div>
</div>
<script type="text/javascript" src="static/js/editorjs/tools/codeflask/codeflask150.min.js?hS9"></script>
<script type="application/javascript">
const editorElem1787864367N6i3Z = document.getElementById('codeflask-FEtIN6dak8');
var isCollapsed1787864367N6i3Z = true;
const flask1787864367N6i3Z = new CodeFlask(editorElem1787864367N6i3Z, {
language: 'shell',
lineNumbers: true,
styleParent: this.shadowRoot,
rtl: false,
readonly: true
});
var code1787864367N6i3Z = `ufw status numbered`;
code1787864367N6i3Z = code1787864367N6i3Z.replace(/&/g, "&").replace(/</g, "<").replace(/>/g, ">").replace(/"/g, '"').replace(/'/g, "'");
flask1787864367N6i3Z.addLanguage('shell', Prism.languages['shell']);
flask1787864367N6i3Z.onUpdate((code) => {
// do something with code here.
// this will trigger whenever the code
// in the editor changes.
// console.log(code)
});
// flask.updateCode('');
// This will also trigger .onUpdate()
flask1787864367N6i3Z.updateCode(code1787864367N6i3Z);
const currentCode1787864367N6i3Z = flask1787864367N6i3Z.getCode();
var coderow1787864367N6i3Z = parseInt('');
if (coderow1787864367N6i3Z === undefined || coderow1787864367N6i3Z !== coderow1787864367N6i3Z || coderow1787864367N6i3Z === 0) {
coderow1787864367N6i3Z = flask1787864367N6i3Z.lineNumber;
}
if (coderow1787864367N6i3Z < 20) {
editorElem1787864367N6i3Z.parentElement.style.height = '300px';
editorElem1787864367N6i3Z.style.height = '300px';
} else if (coderow1787864367N6i3Z >= 20) {
editorElem1787864367N6i3Z.parentElement.style.height = '500px';
editorElem1787864367N6i3Z.style.height = '500px';
}
//console.log({currentCode1787864367N6i3Z})
const copyBtn1787864367N6i3Z = document.getElementById('codeflask-copy-FEtIN6dak8');
copyBtn1787864367N6i3Z.addEventListener('click', function() {
try {
// 先检查 Clipboard API 是否可用
if (navigator.clipboard && navigator.clipboard.writeText) {
// 使用 Clipboard API 复制代码
navigator.clipboard.writeText(code1787864367N6i3Z).then(function() {
// 复制成功提示
const originalText = copyBtn1787864367N6i3Z.innerHTML;
copyBtn1787864367N6i3Z.innerHTML = '<svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><polyline points="20 6 9 17 4 12"></polyline></svg> 已复制';
// 一段时间后恢复原文本
setTimeout(function() {
copyBtn1787864367N6i3Z.innerHTML = originalText;
}, 2000);
}).catch(function(err) {
// 复制失败处理
console.error('复制失败:', err);
// 降级方案：使用传统的复制方法
fallbackCopyTextToClipboard(code1787864367N6i3Z);
});
} else {
// Clipboard API 不可用时直接使用降级方案
fallbackCopyTextToClipboard(code1787864367N6i3Z);
}
// 提取降级方案为独立函数
function fallbackCopyTextToClipboard(text) {
const textArea = document.createElement('textarea');
textArea.value = text;
textArea.style.position = 'fixed';
textArea.style.opacity = '0';
document.body.appendChild(textArea);
textArea.select();
try {
document.execCommand('copy');
const originalText = copyBtn1787864367N6i3Z.innerHTML;
copyBtn1787864367N6i3Z.innerHTML = '<svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><polyline points="20 6 9 17 4 12"></polyline></svg> 已复制';
setTimeout(function() {
copyBtn1787864367N6i3Z.innerHTML = originalText;
}, 2000);
} catch (copyErr) {
console.error('传统复制方法也失败了:', copyErr);
} finally {
document.body.removeChild(textArea);
}
}
} catch (err) {
console.error('复制功能不可用:', err);
}
});
const bottomBtn1787864367N6i3Z = document.getElementById('codeflask-bottomBtn-FEtIN6dak8');
const Toggle1787864367N6i3Z = document.getElementById('codeflask-Toggle-FEtIN6dak8');
bottomBtn1787864367N6i3Z.addEventListener('click', function() {
if (isCollapsed1787864367N6i3Z) {
// 展开代码
isCollapsed1787864367N6i3Z = false;
const codeElement1787864367N6i3Z = editorElem1787864367N6i3Z.querySelector('.codeflask__code');
if (codeElement1787864367N6i3Z) {
const actualHeight1787864367N6i3Z = codeElement1787864367N6i3Z.scrollHeight + 20;
editorElem1787864367N6i3Z.parentElement.style.height = actualHeight1787864367N6i3Z + 'px';
editorElem1787864367N6i3Z.style.height = actualHeight1787864367N6i3Z + 'px';
}
bottomBtn1787864367N6i3Z.innerHTML = '<button class="editorjs-codeFlask_BottomToggle" title="折叠代码"><span class="toggle-icon">▲</span> 折叠</button>';
Toggle1787864367N6i3Z.innerHTML = '<svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><polyline points="9 18 15 12 9 6"></polyline></svg>';
} else {
// 折叠代码
isCollapsed1787864367N6i3Z = true;
if (coderow1787864367N6i3Z < 20) {
editorElem1787864367N6i3Z.parentElement.style.height = '300px';
editorElem1787864367N6i3Z.style.height = '300px';
} else if (coderow1787864367N6i3Z >= 20) {
editorElem1787864367N6i3Z.parentElement.style.height = '500px';
editorElem1787864367N6i3Z.style.height = '500px';
}
bottomBtn1787864367N6i3Z.innerHTML = '<button class="editorjs-codeFlask_BottomToggle expand-mode" title="展开代码" data-empty="false"><span class="toggle-icon">▼</span> 展开</button>';
Toggle1787864367N6i3Z.innerHTML = '<svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><polyline points="6 9 12 15 18 9"></polyline></svg>';
}
});
Toggle1787864367N6i3Z.addEventListener('click', function() {
bottomBtn1787864367N6i3Z.click();
});
</script><style type="text/css">
.ce-block {
margin-bottom: 20px;
}
.ce-block__content, .ce-toolbar__content {
margin-left: auto;
margin-right: auto;
}
.cdx-quote {
position: relative;
background-color: #f8f8f8;
padding: 24px!important;
margin: 0px;
border-radius: 12px;
box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
overflow: hidden;
}
.quote-background-icon {
position: absolute;
top: 10px;
right: 10px;
opacity: 0.2;
z-index: 1;
}
.cdx-quote__text {
min-height: 30px;
margin-bottom: 10px;
font-size: 16px;
line-height: 1.5;
color: #333;
}
.cdx-quote__caption {
padding: 10px 20px 0px 20px;
font-size: 14px;
color: #777;
}
.cdx-quote__caption-left {
text-align: left;
}
.cdx-quote__caption-center {
text-align: center;
}
.cdx-quote__caption-right {
text-align: right;
}
.cdx-quote ::before {
position: absolute;
content: attr(data-placeholder);
color: #bbb;
font-weight: normal;
opacity: 0;
}
.cdx-quote :empty::before {
opacity: 1;
}
.cdx-quote :empty:focus::before {
opacity: 0;
}
.cdx-quote-settings {
display: flex;
}
.cdx-quote-settings .cdx-settings-button {
width: 50%;
}
</style><style type="text/css">
.ce-block {
margin-bottom: 20px;
}
.ce-block__content,.ce-toolbar__content {
/* max-width:calc(100% - 50px) */
margin-left: auto;
margin-right: auto;
}
.ce-paragraph {
line-height: 1.6em;
outline: none;
text-indent: 2em;
font-size: 16px;
}
.ce-paragraph--right {
text-align: right;
}
.ce-paragraph--center {
text-align: center;
}
.ce-paragraph--left {
text-align: left;
}
.ce-paragraph--justify {
text-align: justify;
}
.ce-paragraph-text-indent {
text-align: justify;
}
.ce-paragraph:empty::before{
content: attr(data-placeholder);
color: #707684;
font-weight: normal;
opacity: 0;
}
/** Show placeholder at the first paragraph if Editor is empty */
.codex-editor--empty .ce-block:first-child .ce-paragraph:empty::before {
opacity: 1;
}
.codex-editor--toolbox-opened .ce-block:first-child .ce-paragraph:empty::before,
.codex-editor--empty .ce-block:first-child .ce-paragraph:empty:focus::before {
opacity: 0;
}
.ce-paragraph p:first-of-type{
margin-top: 0;
}
.ce-paragraph p:last-of-type{
margin-bottom: 0;
}
.svg-icon {
width: 1em;
height: 1em;
}
.svg-icon path,
.svg-icon polygon,
.svg-icon rect {
fill: #4691f6;
}
.svg-icon circle {
stroke: #4691f6;
stroke-width: 1;
}
</style><style type="text/css">
.ce-block {
margin-top: 20px;
margin-bottom: 20px;
}
.ce-block__content,.ce-toolbar__content {
/* max-width:calc(100% - 50px) */
margin-left: auto;
margin-right: auto;
}
/**
* Plugin styles
*/
.ce-header {
position: relative;
padding: 1px 0px 1px 15px;
margin: 0;
line-height: 1.25em;
outline: none;
margin-bottom: 10px;
}
.ce-header p,
.ce-header div {
padding: 0 !important;
margin: 0 !important;
}
.ce-header::before {
content: "";
background-color: #3e8fe3;
width: 6px;
height: 100%;
position: absolute;
left: 0;
-webkit-border-radius: 3px;
-moz-border-radius: 3px;
border-radius: 3px;
}
/**
* Styles for Plugin icon in Toolbar
*/
.ce-header__icon {
}
.ce-header::before {
position: absolute;
content: attr(data-placeholder);
color: #707684;
font-weight: normal;
display: none;
cursor: text;
}
.ce-header:empty::before {
display: block;
}
.ce-header:empty:focus::before {
display: none;
}
/* FontSize */
h1.ce-header {
font-size: 2.0em;
}
h2.ce-header {
font-size: 1.7em;
}
h3.ce-header {
font-size: 1.4em;
}
h4.ce-header {
font-size: 1.15em;
}
h5.ce-header {
font-size: 0.95em;
}
h6.ce-header {
font-size: 0.8em;
}
/* Alignment*/
.ce-header--right {
text-align: right;
}
.ce-header--center {
text-align: center;
}
.ce-header--left {
text-align: left;
}
.ce-header--justify {
text-align: justify;
}
</style><style type="text/css">
.ce-block {
margin-bottom: 20px;
}
.ce-block__content,.ce-toolbar__content {
/* max-width:calc(100% - 50px) */
margin-left: auto;
margin-right: auto;
position: relative;
}
/* 主容器 */
.editorjs-codeFlask_Wrapper {
border: 1px solid #dcdfe6;
border-radius: 5px;
background-color: #f6f8fa;
margin-bottom: 10px;
position: relative;
transition: all 0.3s ease;
width: 100%;
min-height: 100px;
overflow: hidden;
}
/* 标题栏 */
.editorjs-codeFlask_Header {
display: flex;
justify-content: flex-end;
align-items: center;
padding: 8px 12px;
background-color: #e9ecef;
border-bottom: 1px solid #dcdfe6;
position: relative;
z-index: 0; /* 从10降低到2 */
}
/* 语言显示 */
.editorjs-codeFlask_LangDisplay {
padding: 2px 8px;
background-color: #409eff;
color: white;
border-radius: 3px;
font-size: 12px;
font-weight: 500;
position: absolute;
left: 12px;
top: 50%;
transform: translateY(-50%);
}
/* 内容容器 - 禁止纵向滚动 */
.editorjs-codeFlask_ContentContainer {
position: relative;
min-height: 100px;
overflow-x: hidden; /* 禁止横向滚动 */
overflow-y: hidden;
transition: height 0.3s ease;
}
/* 编辑器容器 - 禁止纵向滚动 */
.editorjs-codeFlask_Editor {
position: relative;
min-height: 100px;
overflow-x: hidden; /* 禁止横向滚动 */
overflow-y: hidden;
transition: height 0.3s ease;
}
/* 底部按钮容器 - 优化为更简洁的样式 */
.editorjs-codeFlask_BottomButtonContainer {
display: flex;
justify-content: center;
align-items: center;
padding: 4px;
background-color: #f8f9fa;
border-top: 1px solid #e9ecef;
position: relative;
z-index: 0;
}
/* 底部横向折叠/展开按钮 - 优化样式，使其更融入设计 */
.editorjs-codeFlask_BottomToggle {
width: 100%;
background-color: transparent;
color: #606266;
border: none;
border-radius: 4px;
padding: 6px 12px;
font-size: 12px;
font-weight: 400;
cursor: pointer;
transition: all 0.3s ease;
display: flex;
align-items: center;
justify-content: center;
gap: 4px;
text-align: center;
position: relative;
}
.editorjs-codeFlask_BottomToggle:hover {
background-color: #e9ecef;
color: #409eff;
}
.editorjs-codeFlask_BottomToggle:active {
background-color: #dee2e6;
}
.editorjs-codeFlask_BottomToggle .toggle-icon {
font-size: 11px;
transition: transform 0.3s ease;
}
/* 展开按钮（显示"展开"文本）上边缘添加渐变虚化效果 */
.editorjs-codeFlask_BottomToggle:has(span.toggle-icon:contains("▲"))::before {
content: '';
position: absolute;
top: 0;
left: 0;
right: 0;
height: 6px;
background: linear-gradient(to bottom, rgba(248, 249, 250, 0) 0%, rgba(248, 249, 250, 1) 100%);
pointer-events: none;
}
/* 展开按钮（显示"展开"文本）上边缘添加渐变虚化效果 */
/* 删除不被广泛支持的:contains()选择器 */
.editorjs-codeFlask_BottomToggle.expand-mode::before {
content: '';
position: absolute;
top: -60px;
left: 0;
right: 0;
height: 60px;
background: linear-gradient(to bottom, rgb(255 255 255 / 0%) 0%, rgba(248, 249, 250, 1) 100%);
pointer-events: none;
}
/* CodeFlask 主容器样式 */
.editorjs-codeFlask_Editor .codeflask {
position: relative;
background: #fafafa;
border-radius: 0 0 4px 4px;
min-height: 100px;
overflow-x: hidden; /* 禁止横向滚动 */
overflow-y: hidden;
font-family: 'Consolas', 'Monaco', 'Courier New', monospace;
}
/* 行号容器 */
.editorjs-codeFlask_Editor .codeflask.codeflask--has-line-numbers:before {
content: '';
position: absolute;
left: 0;
top: 0;
bottom: 0;
width: 40px;
background-color: #f5f5f5;
border-right: 1px solid #e0e0e0;
z-index: 0;
}
/* 行号 */
.editorjs-codeFlask_Editor .codeflask__lines {
position: absolute;
left: 0;
top: 0;
bottom: 0;
width: 40px;
padding: 10px 0;
background-color: #f5f5f5;
border-right: 1px solid #e0e0e0;
z-index: 0;
font-family: 'Consolas', 'Monaco', 'Courier New', monospace;
font-size: 14px;
line-height: 21px;
color: #666;
text-align: right;
user-select: none;
overflow: hidden;
}
.editorjs-codeFlask_Editor .codeflask__lines__line {
padding-right: 8px;
}
/* 文本区域 - 输入框 */
.editorjs-codeFlask_Editor .codeflask__textarea {
position: absolute;
top: 0;
left: 0;
width: 100%;
height: 100%;
padding: 10px;
border: none;
background: transparent;
color: transparent;
caret-color: #333;
resize: none;
font-family: 'Consolas', 'Monaco', 'Courier New', monospace;
font-size: 14px;
line-height: 21px;
z-index: 1;
overflow-x: hidden; /* 禁止横向滚动 */
overflow-y: hidden;
white-space: pre-wrap; /* 自动换行 */
tab-size: 4;
outline: none;
}
/* 添加选中文本样式 */
.editorjs-codeFlask_Editor .codeflask__textarea::selection {
background-color: #b3d4fc;
color: #333;
}
.editorjs-codeFlask_Editor .codeflask__textarea::-moz-selection {
background-color: #b3d4fc;
color: #333;
}
/* 代码预览区域 */
.editorjs-codeFlask_Editor .codeflask__pre {
position: absolute;
top: 0;
left: 0;
width: 100%; /* 确保宽度不超出容器 */
height: 100%;
padding: 10px;
margin: 0;
border: none;
background: transparent;
font-family: 'Consolas', 'Monaco', 'Courier New', monospace;
font-size: 14px;
line-height: 21px;
z-index: 0;
overflow-x: hidden; /* 禁止横向滚动 */
overflow-y: hidden;
white-space: pre-wrap; /* 自动换行 */
pointer-events: none;
}
/* 代码高亮区域 */
.editorjs-codeFlask_Editor .codeflask__code {
display: block;
font-family: 'Consolas', 'Monaco', 'Courier New', monospace;
font-size: 14px;
line-height: 21px;
color: #333;
white-space: pre-wrap; /* 自动换行 */
tab-size: 4;
overflow: visible;
}
/* 语法高亮样式 - 确保Prism.js样式正确应用 */
.editorjs-codeFlask_Editor .codeflask__code {
background: transparent !important;
}
/* 通用语法高亮token样式 */
.editorjs-codeFlask_Editor .token.comment,
.editorjs-codeFlask_Editor .token.prolog,
.editorjs-codeFlask_Editor .token.doctype,
.editorjs-codeFlask_Editor .token.cdata {
color: #708090;
}
.editorjs-codeFlask_Editor .token.punctuation {
color: #999;
}
.editorjs-codeFlask_Editor .token.namespace {
opacity: 0.7;
}
.editorjs-codeFlask_Editor .token.property,
.editorjs-codeFlask_Editor .token.tag,
.editorjs-codeFlask_Editor .token.boolean,
.editorjs-codeFlask_Editor .token.number,
.editorjs-codeFlask_Editor .token.constant,
.editorjs-codeFlask_Editor .token.symbol,
.editorjs-codeFlask_Editor .token.deleted {
color: #905;
}
.editorjs-codeFlask_Editor .token.selector,
.editorjs-codeFlask_Editor .token.attr-name,
.editorjs-codeFlask_Editor .token.string,
.editorjs-codeFlask_Editor .token.char,
.editorjs-codeFlask_Editor .token.builtin,
.editorjs-codeFlask_Editor .token.inserted {
color: #690;
}
.editorjs-codeFlask_Editor .token.operator,
.editorjs-codeFlask_Editor .token.entity,
.editorjs-codeFlask_Editor .token.url,
.editorjs-codeFlask_Editor .language-css .token.string,
.editorjs-codeFlask_Editor .style .token.string {
color: #9a6e3a;
background: hsla(0, 0%, 100%, 0.5);
}
.editorjs-codeFlask_Editor .token.atrule,
.editorjs-codeFlask_Editor .token.attr-value,
.editorjs-codeFlask_Editor .token.keyword {
color: #07a;
}
.editorjs-codeFlask_Editor .token.function,
.editorjs-codeFlask_Editor .token.class-name {
color: #dd4a68;
}
.editorjs-codeFlask_Editor .token.regex,
.editorjs-codeFlask_Editor .token.important,
.editorjs-codeFlask_Editor .token.variable {
color: #e90;
}
/* 复制按钮样式 */
.editorjs-codeFlask_CopyButton {
background-color: #409eff;
color: white;
border: none;
border-radius: 3px;
padding: 6px 12px;
margin-right: 8px;
font-size: 12px;
cursor: pointer;
transition: background-color 0.2s ease;
display: flex;
align-items: center;
justify-content: center;
min-width: 28px;
height: 28px;
}
.editorjs-codeFlask_CopyButton:hover {
background-color: #66b1ff;
}
.editorjs-codeFlask_CopyButton.copied {
background-color: #67c23a;
}
/* 折叠/展开按钮样式 */
.editorjs-codeFlask_Toggle {
background-color: #909399;
color: white;
border: none;
border-radius: 3px;
padding: 0 8px;
font-size: 12px;
cursor: pointer;
transition: background-color 0.2s ease;
display: flex;
align-items: center;
justify-content: center;
min-width: 28px;
height: 28px;
font-weight: bold;
}
.editorjs-codeFlask_Toggle:hover {
background-color: #a6a9ad;
}
/* 响应式调整 */
@media (max-width: 768px) {
.editorjs-codeFlask_Header {
padding: 6px 8px;
}
.editorjs-codeFlask_Editor .codeflask__textarea,
.editorjs-codeFlask_Editor .codeflask__pre,
.editorjs-codeFlask_Editor .codeflask__code {
font-size: 13px;
line-height: 19px;
padding: 8px;
}
.editorjs-codeFlask_Editor .codeflask.codeflask--has-line-numbers:before {
width: 35px;
}
.editorjs-codeFlask_Editor .codeflask__lines {
width: 35px;
font-size: 12px;
}
}
/* 滚动条样式 - 完全隐藏纵向滚动条 */
.editorjs-codeFlask_Wrapper ::-webkit-scrollbar {
width: 0;/* 纵向滚动条宽度为0 */
height: 6px;/* 横向滚动条保持6px宽度 */
}
.editorjs-codeFlask_Wrapper ::-webkit-scrollbar-track {
background: transparent;
border-radius: 0;
}
.editorjs-codeFlask_Wrapper ::-webkit-scrollbar-thumb {
background: transparent;
border-radius: 0;
}
/* Firefox 滚动条隐藏 */
.editorjs-codeFlask_Wrapper {
scrollbar-width: none;/* Firefox 隐藏纵向滚动条 */
}
.editorjs-codeFlask_Wrapper ::-moz-scrollbar {
width: 0;
height: 6px;
}
/* 焦点状态 */
.editorjs-codeFlask_Wrapper:focus-within {
border-color: #409eff;
box-shadow: 0 0 0 2px rgba(64, 158, 255, 0.2);
}
/* 只读模式样式 */
.editorjs-codeFlask_Wrapper.readonly .editorjs-codeFlask_Header {
background-color: #f5f7fa;
}
.editorjs-codeFlask_Wrapper.readonly .editorjs-codeFlask_Editor .codeflask__textarea {
cursor: default;
}
/* 确保所有元素正确显示 */
.editorjs-codeFlask_Wrapper * {
box-sizing: border-box;
}
/* 修复行号对齐 */
.editorjs-codeFlask_Editor .codeflask--has-line-numbers .codeflask__textarea,
.editorjs-codeFlask_Editor .codeflask--has-line-numbers .codeflask__pre {
padding-left: 50px;
}
.editorjs-codeFlask_Editor .codeflask--has-line-numbers .codeflask__lines {
padding-top: 10px;
}
/* 语言显示元素 - 添加点击样式 */
.editorjs-codeFlask_LangDisplay {
padding: 2px 8px;
background-color: #409eff;
color: white;
border-radius: 3px;
font-size: 12px;
font-weight: 500;
position: absolute;
left: 12px;
top: 50%;
transform: translateY(-50%);
cursor: pointer;
transition: all 0.2s ease;
}
.editorjs-codeFlask_LangDisplay:hover {
background-color: #66b1ff;
box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}
/* 语言选择弹窗 */
.editorjs-codeFlask_LanguagePopup {
background-color: white;
border: 1px solid #dcdfe6;
border-radius: 4px;
box-shadow: 0 2px 12px 0 rgba(0, 0, 0, 0.1);
width: 250px;
max-height: 300px;
z-index: 1000;
overflow: hidden;
}
/* 搜索框 */
.editorjs-codeFlask_LanguageSearch {
width: 100%;
padding: 8px 12px;
border: none;
border-bottom: 1px solid #ebeef5;
font-size: 12px;
outline: none;
box-sizing: border-box;
}
/* 语言列表 */
.editorjs-codeFlask_LanguagesList {
max-height: 250px;
overflow-y: auto;
}
/* 语言选项 */
.editorjs-codeFlask_LanguageItem {
padding: 8px 12px;
font-size: 12px;
cursor: pointer;
transition: background-color 0.2s ease;
}
.editorjs-codeFlask_LanguageItem:hover {
background-color: #f5f7fa;
}
.editorjs-codeFlask_LanguageItem.selected {
background-color: #ecf5ff;
color: #409eff;
font-weight: 500;
}
/* 滚动条样式 */
.editorjs-codeFlask_LanguagesList::-webkit-scrollbar {
width: 6px;
}
.editorjs-codeFlask_LanguagesList::-webkit-scrollbar-track {
background-color: #f5f7fa;
}
.editorjs-codeFlask_LanguagesList::-webkit-scrollbar-thumb {
background-color: #c0c4cc;
border-radius: 3px;
}
.editorjs-codeFlask_LanguagesList::-webkit-scrollbar-thumb:hover {
background-color: #909399;
}
</style><style type="text/css">
.inline-code {
background: rgba(250, 239, 240, 0.78);
color: #b44437;
padding: 3px 4px;
border-radius: 5px;
margin: 0 1px;
font-family: inherit;
font-size: 0.86em;
font-weight: 500;
letter-spacing: 0.3px;
}
</style>
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