wsl中debian无法连接到源
<p>使用wsl中的debian10更新时，出现如下错误：</p><div class="cnblogs_code">
<pre>admin@DESKTOP:~<span style="color: rgba(0, 0, 0, 1)">$ sudo apt 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>
Could not connect to debian.map.fastlydns.net:<span style="color: rgba(128, 0, 128, 1)">80</span> (<span style="color: rgba(128, 0, 128, 1)">127.167</span>.<span style="color: rgba(128, 0, 128, 1)">1.230</span>). - connect (<span style="color: rgba(128, 0, 128, 1)">111</span>: Connection refused) Cannot initiate the connection to debian.map.fastlydns.net:<span style="color: rgba(128, 0, 128, 1)">80</span> (fd00:696e:<span style="color: rgba(128, 0, 128, 1)">6974</span>:<span style="color: rgba(128, 0, 128, 1)">6578</span>::4f:1e7). - connect (<span style="color: rgba(128, 0, 128, 1)">101</span>: Network <span style="color: rgba(0, 0, 255, 1)">is</span> unreachable) Could not connect to deb.debian.org:<span style="color: rgba(128, 0, 128, 1)">80</span> (<span style="color: rgba(128, 0, 128, 1)">127.167</span>.<span style="color: rgba(128, 0, 128, 1)">1.232</span>). - connect (<span style="color: rgba(128, 0, 128, 1)">111</span>: Connection refused) Cannot initiate the connection to deb.debian.org:<span style="color: rgba(128, 0, 128, 1)">80</span> (fd00:696e:<span style="color: rgba(128, 0, 128, 1)">6974</span>:<span style="color: rgba(128, 0, 128, 1)">6578</span>::4f:1e9). - connect (<span style="color: rgba(128, 0, 128, 1)">101</span>: Network <span style="color: rgba(0, 0, 255, 1)">is</span><span style="color: rgba(0, 0, 0, 1)"> unreachable)
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)">deb.debian.org/debian buster-updates InRelease</span>
Cannot initiate the connection to deb.debian.org:<span style="color: rgba(128, 0, 128, 1)">80</span> (fd00:696e:<span style="color: rgba(128, 0, 128, 1)">6974</span>:<span style="color: rgba(128, 0, 128, 1)">6578</span>::4f:1e9). - connect (<span style="color: rgba(128, 0, 128, 1)">101</span>: Network <span style="color: rgba(0, 0, 255, 1)">is</span><span style="color: rgba(0, 0, 0, 1)"> unreachable)
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)">ftp.debian.org/debian buster-backports InRelease</span>
Could not connect to debian.map.fastlydns.net:<span style="color: rgba(128, 0, 128, 1)">80</span> (<span style="color: rgba(128, 0, 128, 1)">127.167</span>.<span style="color: rgba(128, 0, 128, 1)">1.230</span>). - connect (<span style="color: rgba(128, 0, 128, 1)">111</span>: Connection refused) Cannot initiate the connection to debian.map.fastlydns.net:<span style="color: rgba(128, 0, 128, 1)">80</span> (fd00:696e:<span style="color: rgba(128, 0, 128, 1)">6974</span>:<span style="color: rgba(128, 0, 128, 1)">6578</span>::4f:1e7). - connect (<span style="color: rgba(128, 0, 128, 1)">101</span>: Network <span style="color: rgba(0, 0, 255, 1)">is</span> unreachable) Could not connect to ftp.debian.org:<span style="color: rgba(128, 0, 128, 1)">80</span> (<span style="color: rgba(128, 0, 128, 1)">127.167</span>.<span style="color: rgba(128, 0, 128, 1)">2.112</span>). - connect (<span style="color: rgba(128, 0, 128, 1)">111</span><span style="color: rgba(0, 0, 0, 1)">: Connection refused) Cannot initiate the connection
# This file was automatically generated by WSL. To stop automatic generation of </span><span style="color: rgba(0, 0, 255, 1)">this</span> file, add the following entry to /eto ftp.debian.org:<span style="color: rgba(128, 0, 128, 1)">80</span> (fd00:696e:<span style="color: rgba(128, 0, 128, 1)">6974</span>:<span style="color: rgba(128, 0, 128, 1)">6578</span>::4f:<span style="color: rgba(128, 0, 128, 1)">271</span>). - connect (<span style="color: rgba(128, 0, 128, 1)">101</span>: Network <span style="color: rgba(0, 0, 255, 1)">is</span><span style="color: rgba(0, 0, 0, 1)"> unreachable)
Err:</span><span style="color: rgba(128, 0, 128, 1)">4</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>
Could not connect to debian.map.fastlydns.net:<span style="color: rgba(128, 0, 128, 1)">80</span> (<span style="color: rgba(128, 0, 128, 1)">127.167</span>.<span style="color: rgba(128, 0, 128, 1)">1.230</span>). - connect (<span style="color: rgba(128, 0, 128, 1)">111</span>: Connection refused) Cannot initiate the connection to debian.map.fastlydns.net:<span style="color: rgba(128, 0, 128, 1)">80</span> (fd00:696e:<span style="color: rgba(128, 0, 128, 1)">6974</span>:<span style="color: rgba(128, 0, 128, 1)">6578</span>::4f:1e7). - connect (<span style="color: rgba(128, 0, 128, 1)">101</span>: Network <span style="color: rgba(0, 0, 255, 1)">is</span> unreachable) Could not connect to security.debian.org:<span style="color: rgba(128, 0, 128, 1)">80</span> (<span style="color: rgba(128, 0, 128, 1)">127.167</span>.<span style="color: rgba(128, 0, 128, 1)">1.234</span>). - connect (<span style="color: rgba(128, 0, 128, 1)">111</span>: Connection refused) Cannot initiate the connection to security.debian.org:<span style="color: rgba(128, 0, 128, 1)">80</span> (fd00:696e:<span style="color: rgba(128, 0, 128, 1)">6974</span>:<span style="color: rgba(128, 0, 128, 1)">6578</span>::4f:1eb). - connect (<span style="color: rgba(128, 0, 128, 1)">101</span>: Network <span style="color: rgba(0, 0, 255, 1)">is</span><span style="color: rgba(0, 0, 0, 1)"> unreachable)
Reading package lists... Done
Building dependency tree
Reading state information... Done
All packages are up to date.
W: Failed to fetch http:</span><span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)">deb.debian.org/debian/dists/buster/InReleaseCould not connect to debian.map.fastlydns.net:80 (127.167.1.230). - connect (111: Connection refused) Cannot initiate the connection to debian.map.fastlydns.net:80 (fd00:696e:6974:6578::4f:1e7). - connect (101: Network is unreachable) Could not connect to deb.debian.org:80 (127.167.1.232). - connect (111: Connection refused) Cannot initiate the connection to deb.debian.org:80 (fd00:696e:6974:6578::4f:1e9). - connect (101: Network is unreachable)</span>
W: Failed to fetch http:<span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)">deb.debian.org/debian/dists/buster-updates/InReleaseCannot initiate the connection to deb.debian.org:80 (fd00:696e:6974:6578::4f:1e9). - connect (101: Network is unreachable)</span>
W: Failed to fetch http:<span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)">security.debian.org/debian-security/dists/buster/updates/InReleaseCould not connect to debian.map.fastlydns.net:80 (127.167.1.230). - connect (111: Connection refused) Cannot initiate the connection to debian.map.fastlydns.net:80 (fd00:696e:6974:6578::4f:1e7). - connect (101: Network is unreachable) Could not connect to security.debian.org:80 (127.167.1.234). - connect (111: Connection refused) Cannot initiate the connection to security.debian.org:80 (fd00:696e:6974:6578::4f:1eb). - connect (101: Network is unreachable)</span>
W: Failed to fetch http:<span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)">ftp.debian.org/debian/dists/buster-backports/InReleaseCould not connect to debian.map.fastlydns.net:80 (127.167.1.230). - connect (111: Connection refused) Cannot initiate the connection to debian.map.fastlydns.net:80 (fd00:696e:6974:6578::4f:1e7). - connect (101: Network is unreachable) Could not connect to ftp.debian.org:80 (127.167.2.112). - connect (111: Connection refused) Cannot initiate the connection to ftp.debian.org:80 (fd00:696e:6974:6578::4f:271). - connect (101: Network is unreachable)</span>
W: Some index files failed to download. They have been ignored, or old ones used instead.</pre>
</div>
<p>经过一番查询和乱搞下，发现修改dns服务器后就好了</p>
<p>sudo vi /etc/resolv.conf</p>
<p>把nameserver换成 8.8.8.8 和 8.8.4.4</p>
<p>在重新启动一下网络：</p>
<p>sudo /etc/init.d/networking restart</p>
<p>在更新就没有错误了。</p><br><br>
来源：https://www.cnblogs.com/litifeng/p/14829865.html
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