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<h3>📖 Linux</h3>
<a href="0.html">Linux</a>
<a href="1.html">Linux 简介</a>
<a href="2.html">Linux 安装</a>
<a href="3.html">Linux 云服务器</a>
<a href="4.html">WSL 安装 Linux</a>
<a href="5.html">Linux 系统启动过程</a>
<a href="6.html">Linux 系统目录结构</a>
<a href="7.html">Linux 忘记密码解决方法</a>
<a href="8.html" class="active">Linux 远程登录</a>
<a href="9.html">Linux 文件基本属性</a>
<a href="10.html">Linux 文件与目录管理</a>
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const md = `# Linux 远程登录\n\nLinux 一般作为服务器使用，而服务器一般放在机房，你不可能在机房操作你的 Linux 服务器。\n\n\n这时我们就需要远程登录到Linux服务器来管理维护系统。\n\n\nLinux 系统中是通过 ssh 服务实现的远程登录功能，默认 ssh 服务端口号为 22。\n\n\nWindow 系统上 Linux 远程登录客户端有 SecureCRT, Putty, SSH Secure Shell 等，本文以 Putty 为例来登录远程服务器。\n\n\nPutty 下载地址：[https://www.putty.org/](https://www.putty.org/)\n\n\n如果你下载了 Putty，请双击 putty.exe 然后弹出如下的窗口。\n\n\n\n\n\n\n在Host Name( or IP address) 下面的框中输入你要登录的远程服务器IP(可以通过ifconfig命令查看服务器ip)，然后回车。\n\n\n\n\n\n此时，提示我们输入要登录的用户名。\n\n\n\n\n\n输入root 然后回车，再输入密码，就能登录到远程的linux系统了。\n\n\n\n\n\n\n---\n\n\n## 使用密钥认证机制远程登录linux\n\nSSH 为 Secure Shell 的缩写，由 IETF 的网络工作小组（Network Working Group）所制定。\n\n\nSSH 为建立在应用层和传输层基础上的安全协议。\n\n\n首先使用工具 PUTTYGEN.EXE 生成密钥对。打开工具 PUTTYGEN.EXE 后如下图所示：\n\n\n\n\n\n该工具可以生成三种格式的key ：SSH-1(RSA) SSH-2(RSA) SSH-2(DSA) ，我们采用默认的格式即 SSH-2(RSA)。Number of bits in a generated key 这个是指生成的key的大小，这个数值越大，生成的key就越复杂，安全性就越高。这里我们写 2048。\n\n\n\n\n\n然后单击Generate 开始生成密钥对：\n\n\n\n\n\n注意的是，在这个过程中鼠标要来回的动，否则这个进度条是不会动的。\n\n\n\n\n\n到这里，密钥对已经生成了。你可以给你的密钥输入一个密码，（在Key Passphrase那里）也可以留空。然后点 Save public key 保存公钥，点 Save private Key 保存私钥。笔者建议你放到一个比较安全的地方，一来防止别人偷窥，二来防止误删除。接下来就该到远程 linux 主机上设置了。\n\n\n1）创建目录 /root/.ssh 并设置权限\n\n\n[root@localhost ~]# mkdir /root/.ssh mkdir 命令用来创建目录，以后会详细介绍，暂时只了解即可。\n\n\n[root@localhost ~]# chmod 700 /root/.ssh chmod 命令是用来修改文件属性权限的，以后会详细介绍。\n\n\n2）创建文件 / root/.ssh/authorized_keys\n\n\n[root@localhost ~]# vim /root/.ssh/authorized_keys vim 命令是编辑一个文本文件的命令，同样在后续章节详细介绍。\n\n\n3）打开刚才生成的public key 文件，建议使用写字板打开，这样看着舒服一些，复制从AAAA开头至 "---- END SSH2 PUBLIC KEY ----" 该行上的所有内容，粘贴到/root/.ssh/authorized_keys 文件中，要保证所有字符在一行。（可以先把复制的内容拷贝至记事本，然后编辑成一行载粘贴到该文件中）。\n\n\n在这里要简单介绍一下，如何粘贴，用vim打开那个文件后，该文件不存在，所以vim会自动创建。按一下字母"i"然后同时按shift + Insert 进行粘贴（或者单击鼠标右键即可），前提是已经复制到剪切板中了。粘贴好后，然后把光标移动到该行最前面输入 **ssh-rsa** ，然后按空格。再按ESC，然后输入冒号wq 即 :wq 就保存了。格式如下图：\n\n\n\n\n\n4）再设置putty选项，点窗口左侧的SSh –> Auth ，单击窗口右侧的Browse… 选择刚刚生成的私钥， 再点Open ，此时输入root，就不用输入密码就能登录了。\n\n\n\n\n\n如果在前面你设置了Key Passphrase ，那么此时就会提示你输入密码的。为了更加安全建议大家要设置一个Key Passphrase。\n\n \n \n \n \n \n\n \n \n [ Linux 文件基本属性](http://www.runoob.com/linux/linux-file-attr-permission.html)\n \n\n \n \n \n \n \n\n\n\n\n\n \n## \n \n \n \n 1 篇笔记\n 写笔记\n\n\n\n\n\n \n\n #0 偶爱喝可乐\n\n 738***315@qq.com\n\n 860**终端利用ssh登录远程服务器**\n\n\n\n安装ssh：\n\n\n\n\n\`\`\`\nyum install ssh\n\`\`\`\n\n启动ssh：\n\n\n\n\n\`\`\`\nservice sshd start\n\`\`\`\n\n登录远程服务器：\n\n\n\n\n\`\`\`\nssh -p 50022 my@127.0.0.1\n输入密码：\nmy@127.0.0.1:\n\n\`\`\`\n\n**-p** 后面是端口\n\n\n\n**my** 是服务器用户名\n\n\n\n**127.0.0.1** 是服务器 ip\n\n\n\n回车输入密码即可登录\n\n[偶爱喝可乐](https://www.runoob.comjavascript:;) 偶爱喝可乐\n\n 738***315@qq.com\n\n9年前 (2017-07-28)\n \n\n \n \n\n \n \n \n### 点我分享笔记\n\n \n \n \n \n \n \n [取消](https://www.runoob.comjavascript:;)\n\n\n \n \n \n \n \n \n\n\n 分享笔记\n \n \n \n \n \n \n\n 昵称昵称 (必填)\n 邮箱邮箱 (必填)\n 引用地址引用地址\n \n\n \n \n \n \n\n \n \n\n\n\n\n\n\n\n\n\n \n\n \n\n\n\n\n\n\n \n \n \n \n \n \n\n\n \n \n \n \n \n \n \n \n \n\n\n\n\n\n 在线实例\n\n\n ·[HTML 实例](https://www.runoob.com/html/html-examples.html)\n\n\n ·[CSS 实例](https://www.runoob.com/css/css-examples.html)\n\n\n ·[JavaScript 实例](https://www.runoob.com/js/js-examples.html)\n\n\n ·[Ajax 实例](https://www.runoob.com/ajx/ajax-examples.html)\n\n\n ·[jQuery 实例](https://www.runoob.com/jquery/jquery-examples.html)\n\n\n ·[XML 实例](https://www.runoob.com/xml/xml-examples.html)\n\n\n ·[Java 实例](https://www.runoob.com/java/java-examples.html)\n\n\n\n\n\n 字符集&工具\n\n\n · [HTML 字符集设置](https://www.runoob.com/charsets/html-charsets.html)\n\n\n · [HTML ASCII 字符集](https://www.runoob.com/tags/html-ascii.html)\n\n\n · [JS 混淆/加密](https://www.jyshare.com/front-end/6939/)\n\n\n · [PNG/JPEG 图片压缩](https://www.jyshare.com/front-end/6232/)\n\n\n · [HTML 拾色器](https://www.runoob.com/tags/html-colorpicker.html)\n\n\n · [JSON 格式化工具](https://www.jyshare.com/front-end/53)\n\n\n · [随机数生成器](https://www.jyshare.com/front-end/6680/)\n\n\n\n\n 最新更新\n\n\n ·\n [\n OpenCode 自定义... ](http://www.runoob.com/opencode/opencode-custom-tools.html)\n\n\n ·\n [\n OpenCode Skills ](http://www.runoob.com/opencode/opencode-skills.html)\n\n\n ·\n [\n OpenCode MCP 服... ](http://www.runoob.com/opencode/opencode-mcp.html)\n\n\n ·\n [\n OpenCode LSP 服... ](http://www.runoob.com/opencode/opencode-lsp.html)\n\n\n ·\n [\n OpenCode 权限配置 ](http://www.runoob.com/opencode/opencode-permissions.html)\n\n\n ·\n [\n OpenCode 格式化... ](http://www.runoob.com/opencode/opencode-formatter.html)\n\n\n ·\n [\n OpenCode 自定义... ](http://www.runoob.com/opencode/opencode-commands.html)\n\n\n\n\n 站点信息\n\n\n ·\n [意见反馈](https://www.runoob.commailto:admin@runoob.com)\n\n\n ·\n [免责声明](https://www.runoob.com/disclaimer)\n\n\n ·\n [关于我们](https://www.runoob.com/aboutus)\n\n\n ·\n [文章归档](https://www.runoob.com/archives)\n\n\n\n\n\n\n\n **关注微信**\n\n\n\n \n\n\n\n\n\n\n Copyright © 2013-2026 **[菜鸟教程](https://www.runoob.com//www.runoob.com/)** \n **[runoob.com](https://www.runoob.com//www.runoob.com/)** All Rights Reserved. 备案号：[闽ICP备15012807号-1](https://beian.miit.gov.cn/)\n\n\n\n [ ](https://www.runoob.comjavascript:void(0))\n [](https://www.runoob.comjavascript:void(0))\n [](https://www.runoob.comjavascript:void(0))\n\n\n\n#### 微信关注\n\n `;
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