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+        Use Ssh
+    </h1>
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+      <time datetime="2016-06-02T07:51:00.000Z" itemprop="datePublished">
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+    2016-06-02
+</time>
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+    <svg xmlns="http://www.w3.org/2000/svg" width="18" height="18" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1" stroke-linecap="round" stroke-linejoin="round" class="feather feather-eye"><path d="M1 12s4-8 11-8 11 8 11 8-4 8-11 8-11-8-11-8z"></path><circle cx="12" cy="12" r="3"></circle></svg>
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+    </div>
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+    <p>记录ssh的使用</p>
+<h1 id="SSH的使用"><a href="#SSH的使用" class="headerlink" title="SSH的使用"></a>SSH的使用</h1><p>SSH是一种连接服务器的方式，使用SSH可以不必每次都输入用户名和密码</p>
+<h2 id="一、-Add-SSH-key-to-Github"><a href="#一、-Add-SSH-key-to-Github" class="headerlink" title="一、 Add SSH key to Github"></a>一、 Add SSH key to Github</h2><h3 id="Mac"><a href="#Mac" class="headerlink" title="Mac"></a>Mac</h3><h5 id="1-打开命令行工具，输入以下内容-替换你的邮箱名"><a href="#1-打开命令行工具，输入以下内容-替换你的邮箱名" class="headerlink" title="1. 打开命令行工具，输入以下内容,替换你的邮箱名"></a>1. 打开命令行工具，输入以下内容,替换你的邮箱名</h5><figure class="highlight plaintext"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br></pre></td><td class="code"><pre><span class="line">$ssh-keygen -t rsa -C &quot;your_email@example.com&quot;</span><br><span class="line"></span><br></pre></td></tr></table></figure>
+<blockquote>
+<p><code>-t</code> : [rsa | dsa ] 加密类型,默认rsa</p>
+</blockquote>
+<blockquote>
+<p><code>-C</code> : 添加一个注释</p>
+</blockquote>
+<h5 id="2-生成SSH-KEY"><a href="#2-生成SSH-KEY" class="headerlink" title="2. 生成SSH-KEY"></a>2. 生成SSH-KEY</h5><figure class="highlight plaintext"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br></pre></td><td class="code"><pre><span class="line">Generating public/private rsa key pair.</span><br><span class="line">Enter file in which to save the key (/Users/you/.ssh/id_rsa):</span><br></pre></td></tr></table></figure>
+
+<blockquote>
+<p>第一步执行后会让你指定一个ssh key文件名，默认是id_rsa,这里我们不使用默认的,因为你可能不止一个git服务，可能你们公司使用了gitlab或者其它的，但如果你使用默认的待会可以直接跳过第<em><strong>4</strong></em>步</p>
+</blockquote>
+<p>输入文件名，需要带上目录</p>
+<figure class="highlight plaintext"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br></pre></td><td class="code"><pre><span class="line">/Users/you/.ssh/github_rsa</span><br><span class="line"></span><br></pre></td></tr></table></figure>
+
+<h5 id="3-提示你输入密码，不要输入直接按确定就可以"><a href="#3-提示你输入密码，不要输入直接按确定就可以" class="headerlink" title="3. 提示你输入密码，不要输入直接按确定就可以"></a>3. 提示你输入密码，不要输入直接按确定就可以</h5><figure class="highlight plaintext"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br></pre></td><td class="code"><pre><span class="line">Enter passphrase (empty for no passphrase): [Type a passphrase]</span><br><span class="line">Enter same passphrase again: [Type passphrase again]</span><br><span class="line"></span><br></pre></td></tr></table></figure>
+
+
+<h5 id="4-多个SSH-KEY"><a href="#4-多个SSH-KEY" class="headerlink" title="4.多个SSH-KEY"></a>4.多个SSH-KEY</h5><p>添加config文件</p>
+<p>进入<code>~/.ssh</code>目录，使用vi或者你喜欢的编辑器添加<code>config</code>文件,保存以下内容</p>
+<figure class="highlight bash"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br></pre></td><td class="code"><pre><span class="line">Host github.com</span><br><span class="line">HostName github.com</span><br><span class="line">PreferredAuthentications publickey</span><br><span class="line">IdentityFile ~/.ssh/github_rsa</span><br><span class="line"></span><br><span class="line"><span class="comment">#如果有多个的话继续添加</span></span><br><span class="line">Host gitlab.com</span><br><span class="line">HostName gitlab.com</span><br><span class="line">PreferredAuthentications publickey</span><br><span class="line">IdentityFile ~/.ssh/gitlab_rsa</span><br></pre></td></tr></table></figure>
+
+<h5 id="5-添加ssh-key-到你的github账号"><a href="#5-添加ssh-key-到你的github账号" class="headerlink" title="5. 添加ssh-key 到你的github账号"></a>5. 添加ssh-key 到你的github账号</h5><p>复制SSH-key</p>
+<p><code>$ pbcopy &lt; ~/.ssh/github_rsa.pub</code></p>
+<p>添加到github账户，具体参考<a target="_blank" rel="noopener" href="https://help.github.com/articles/adding-a-new-ssh-key-to-your-github-account/#platform-mac">官网教程</a></p>
+<h5 id="6-完成"><a href="#6-完成" class="headerlink" title="6. 完成"></a>6. 完成</h5><p>测试你的SSH链接是否成功</p>
+<p><code>$SSH -T git@github.com</code></p>
+<p>如果出现下面内容就是验证成功了</p>
+<figure class="highlight plaintext"><table><tr><td class="gutter"><pre><span class="line">1</span><br></pre></td><td class="code"><pre><span class="line">Hi youname! You&#x27;ve successfully authenticated, but GitHub does not provide shell access.</span><br></pre></td></tr></table></figure>
+<p>修改你的git仓库，开始使用吧</p>
+<p><code>git remote set-url origin git@github.com:you/xxx.git</code></p>
+<h2 id="windows"><a href="#windows" class="headerlink" title="windows"></a>windows</h2><p>windows下请使用<a target="_blank" rel="noopener" href="http://www.softpedia.com/get/Programming/Other-Programming-Files/Cmder.shtml">Cmder</a>或者GitBash等命令行工具</p>
+<blockquote>
+<p>~/.ssh 等于 c:/Users/you/.ssh<br>复制命令 clip &lt;</p>
+</blockquote>
+<h2 id="二、使用ssh公钥-私钥-实现免密码登录服务器"><a href="#二、使用ssh公钥-私钥-实现免密码登录服务器" class="headerlink" title="二、使用ssh公钥/私钥 实现免密码登录服务器"></a>二、使用ssh公钥/私钥 实现免密码登录服务器</h2><p>一般我们连线上服务器可能会经过一层或多层堡垒机，可以通过SSH生成后的公钥传到服务器上来实现免密码登录。</p>
+<p>假如有两台服务器A 登录 B</p>
+<p>A : 192.168.146.95</p>
+<p>B : 172.22.213.13</p>
+<h5 id="1-在A服务器上生成ssh-key"><a href="#1-在A服务器上生成ssh-key" class="headerlink" title="1.在A服务器上生成ssh-key"></a>1.在A服务器上生成ssh-key</h5><p><code>$ssh-keygen -t rsa -C &quot;your_email@example.com&quot;</code></p>
+<h5 id="2-将公钥传到B服务器-ssh-authorized-keys文件，使用scp-命令上传"><a href="#2-将公钥传到B服务器-ssh-authorized-keys文件，使用scp-命令上传" class="headerlink" title="2.将公钥传到B服务器.ssh/authorized_keys文件，使用scp 命令上传"></a>2.将公钥传到B服务器<code>.ssh/authorized_keys</code>文件，使用<code>scp</code> 命令上传</h5><p><code>scp ~/.ssh/id_rsa.pub 172.22.213.13:~/.ssh/authorized_keys</code></p>
+<h5 id="3-如果前面步骤都做完，那现在就可以无密码登录了"><a href="#3-如果前面步骤都做完，那现在就可以无密码登录了" class="headerlink" title="3.如果前面步骤都做完，那现在就可以无密码登录了"></a>3.如果前面步骤都做完，那现在就可以无密码登录了</h5><pre><code>  ssh 172.22.213.13
+  Last login: Mon Jun  6 15:04:46 2016 from 192.168.146.95
+</code></pre>
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