debian 执行apt-get update 无法更新的问题
<h3>一、运行了一个debian容器，进入容器后执行apt-get update报错</h3><div class="cnblogs_code">
<pre>root@nginx-demo-deployment-59fbc48594-4z8h9:/# apt-<span style="color: rgba(0, 0, 0, 1)">get update
Err:</span><span style="color: rgba(128, 0, 128, 1)">1</span> http:<span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)">deb.debian.org/debian buster InRelease</span>
Temporary failure resolving <span style="color: rgba(128, 0, 0, 1)">'</span><span style="color: rgba(128, 0, 0, 1)">deb.debian.org</span><span style="color: rgba(128, 0, 0, 1)">'</span><span style="color: rgba(0, 0, 0, 1)">
Err:</span><span style="color: rgba(128, 0, 128, 1)">2</span> http:<span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)">security.debian.org/debian-security buster/updates InRelease</span>
Temporary failure resolving <span style="color: rgba(128, 0, 0, 1)">'</span><span style="color: rgba(128, 0, 0, 1)">security.debian.org</span><span style="color: rgba(128, 0, 0, 1)">'</span><span style="color: rgba(0, 0, 0, 1)">
Err:</span><span style="color: rgba(128, 0, 128, 1)">3</span> http:<span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)">deb.debian.org/debian buster-updates InRelease</span>
Temporary failure resolving <span style="color: rgba(128, 0, 0, 1)">'</span><span style="color: rgba(128, 0, 0, 1)">deb.debian.org</span><span style="color: rgba(128, 0, 0, 1)">'</span></pre>
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<h3>二、修改源</h3>
<p>查看当前设置源</p>
<div class="cnblogs_code">
<pre>oot@nginx-demo-deployment-59fbc48594-4z8h9:/# <span style="color: rgba(0, 0, 255, 1)">cat</span> /etc/apt/<span style="color: rgba(0, 0, 0, 1)">sources.list
# deb http:</span><span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)">snapshot.debian.org/archive/debian/20201209T232235Z buster main</span>
deb http:<span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)">deb.debian.org/debian buster main</span>
# deb http:<span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)">snapshot.debian.org/archive/debian-security/20201209T232235Z buster/updates main</span>
deb http:<span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)">security.debian.org/debian-security buster/updates main</span>
# deb http:<span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)">snapshot.debian.org/archive/debian/20201209T232235Z buster-updates main</span>
deb http:<span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)">deb.debian.org/debian buster-updates main</span></pre>
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<div class="cnblogs_code">
<pre># deb http:<span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)">snapshot.debian.org/archive/debian/20200607T000000Z buster main</span>
deb http:<span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)">deb.debian.org/debian buster main</span>
# deb http:<span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)">snapshot.debian.org/archive/debian-security/20200607T000000Z buster/updates main</span>
deb http:<span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)">security.debian.org/debian-security buster/updates main</span>
# deb http:<span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)">snapshot.debian.org/archive/debian/20200607T000000Z buster-updates main</span>
deb http:<span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)">deb.debian.org/debian buster-updates main</span></pre>
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<p> </p><br><br>
来源：https://www.cnblogs.com/sky-cheng/p/14254224.html
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