https://ynhugo.github.io/tags/sudo/ Recent content in Sudo on ynhugo.github.io Hugo -- gohugo.io zh-cn ynhugo Tue, 19 May 2026 10:41:29 +0800 https://ynhugo.github.io/p/%E6%A0%B9%E6%8D%AE%E5%B7%B2%E7%9F%A5%E5%AF%86%E7%A0%81%E9%85%8D%E7%BD%AE%E5%AF%86%E7%A0%81%E7%BC%93%E5%86%B2%E6%9C%9F/ Tue, 19 May 2026 10:41:29 +0800 https://ynhugo.github.io/p/%E6%A0%B9%E6%8D%AE%E5%B7%B2%E7%9F%A5%E5%AF%86%E7%A0%81%E9%85%8D%E7%BD%AE%E5%AF%86%E7%A0%81%E7%BC%93%E5%86%B2%E6%9C%9F/ <div id="outline-container-headline-1" class="outline-2"> <h2 id="headline-1"> 根据已知密码配置密码缓冲期 </h2> <div id="outline-text-headline-1" class="outline-text-2"> <p> 比如密码是：password@123</p> <div class="src src-bash"> <div class="highlight"><div class="chroma"> <table class="lntable"><tr><td class="lntd"> <pre tabindex="0" class="chroma"><code><span class="lnt"> 1 </span><span class="lnt"> 2 </span><span class="lnt"> 3 </span><span class="lnt"> 4 </span><span class="lnt"> 5 </span><span class="lnt"> 6 </span><span class="lnt"> 7 </span><span class="lnt"> 8 </span><span class="lnt"> 9 </span><span class="lnt">10 </span><span class="lnt">11 </span></code></pre></td> <td class="lntd"> <pre tabindex="0" class="chroma"><code class="language-bash" data-lang="bash"><span class="line"><span class="cl"><span class="c1"># 根据已知密码配置密码缓冲期</span> </span></span><span class="line"><span class="cl"><span class="nb">export</span> <span class="nv">SUDO_ASKPASS</span><span class="o">=</span><span class="k">$(</span>mktemp<span class="k">)</span> </span></span><span class="line"><span class="cl">cat &gt; <span class="si">${</span><span class="nv">SUDO_ASKPASS</span><span class="si">}</span> <span class="s">&lt;&lt;&#39;EOF&#39; </span></span></span><span class="line"><span class="cl"><span class="s">#!/bin/bash </span></span></span><span class="line"><span class="cl"><span class="s"># 输出密码 </span></span></span><span class="line"><span class="cl"><span class="s">echo &#34;password@123&#34; </span></span></span><span class="line"><span class="cl"><span class="s">EOF</span> </span></span><span class="line"><span class="cl">chmod <span class="m">700</span> <span class="si">${</span><span class="nv">SUDO_ASKPASS</span><span class="si">}</span> </span></span><span class="line"><span class="cl">sudo -A whoami </span></span><span class="line"><span class="cl">rm -f <span class="si">${</span><span class="nv">SUDO_ASKPASS</span><span class="si">}</span> </span></span><span class="line"><span class="cl"><span class="k">while</span> true<span class="p">;</span> <span class="k">do</span> sudo -v<span class="p">;</span> sleep 240<span class="p">;</span> <span class="k">done</span> <span class="p">&amp;</span></span></span></code></pre></td></tr></table> </div> </div> </div> </div> </div>