{"id":27011,"date":"2023-05-26T23:40:32","date_gmt":"2023-05-03T15:40:39","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%9c%a8ubuntu20-04%e4%b8%8a%e8%bf%9b%e8%a1%8capt-update%e6%97%b6%e7%94%b1%e4%ba%8edns%e7%9a%84%e5%8e%9f%e5%9b%a0%e5%87%ba%e7%8e%b0%e9%94%99%e8%af%af%e3%80%82-3\/"},"modified":"2025-08-12T00:16:29","modified_gmt":"2025-08-11T16:16:29","slug":"%e5%9c%a8ubuntu20-04%e4%b8%8a%e8%bf%9b%e8%a1%8capt-update%e6%97%b6%e7%94%b1%e4%ba%8edns%e7%9a%84%e5%8e%9f%e5%9b%a0%e5%87%ba%e7%8e%b0%e9%94%99%e8%af%af%e3%80%82-3","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%9c%a8ubuntu20-04%e4%b8%8a%e8%bf%9b%e8%a1%8capt-update%e6%97%b6%e7%94%b1%e4%ba%8edns%e7%9a%84%e5%8e%9f%e5%9b%a0%e5%87%ba%e7%8e%b0%e9%94%99%e8%af%af%e3%80%82-3\/","title":{"rendered":"\u5728Ubuntu20.04\u4e0a\u8fdb\u884capt update\u65f6\u7531\u4e8eDNS\u7684\u539f\u56e0\u51fa\u73b0\u9519\u8bef"},"content":{"rendered":"<h1>\u9996\u5148<\/h1>\n<p>\u9019\u662f\u6211\u5728\u4f7f\u7528Vagrant\u6642\u9047\u5230\u7684\u932f\u8aa4\u3002\u4e0d\u50c5\u662fVagrant\uff0c\u9019\u4f3c\u4e4e\u662f\u5e38\u898b\u7684ubuntu20\u932f\u8aa4\uff0c\u6240\u4ee5\u6211\u7559\u4e0b\u4f86\u4ee5\u5099\u4e0b\u6b21\u9047\u5230\u3002<\/p>\n<h1>\u73af\u5883<\/h1>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u6bcd\u8266\uff1aUbuntu18.04.5LTS<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">Vagrant &amp; Virtualbox \u4f7f\u7528<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">ubuntu20.04\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">bridged network interfaces : br0<\/ul>\n<h1>\u60c5\u51b5<\/h1>\n<p>\u5728\u4f7f\u7528Vagrant up\u542f\u52a8\u865a\u62df\u673a\u540e\uff0c<br \/>\n\u4f7f\u7528Vagrant ssh\u8fdb\u884c\u8fde\u63a5\uff0c\u5728\u6267\u884capt update\u65f6\u51fa\u73b0\u9519\u8bef\u3002<\/p>\n<pre class=\"post-pre\"><code>vagrant@ubuntu2004:~$ sudo apt update\r\nErr:1 http:\/\/jp.archive.ubuntu.com\/ubuntu focal InRelease                   \r\n  Temporary failure resolving 'jp.archive.ubuntu.com'\r\nErr:2 http:\/\/security.ubuntu.com\/ubuntu focal-security InRelease            \r\n  Temporary failure resolving 'security.ubuntu.com'\r\nErr:3 http:\/\/jp.archive.ubuntu.com\/ubuntu focal-updates InRelease\r\n  Temporary failure resolving 'jp.archive.ubuntu.com'\r\nErr:4 http:\/\/jp.archive.ubuntu.com\/ubuntu focal-backports InRelease\r\n  Temporary failure resolving 'jp.archive.ubuntu.com'\r\nReading package lists... Done           \r\nBuilding dependency tree       \r\nReading state information... Done\r\nAll packages are up to date.\r\nW: Failed to fetch http:\/\/jp.archive.ubuntu.com\/ubuntu\/dists\/focal\/InRelease  Temporary failure resolving 'jp.archive.ubuntu.com'\r\nW: Failed to fetch http:\/\/jp.archive.ubuntu.com\/ubuntu\/dists\/focal-updates\/InRelease  Temporary failure resolving 'jp.archive.ubuntu.com'\r\nW: Failed to fetch http:\/\/jp.archive.ubuntu.com\/ubuntu\/dists\/focal-backports\/InRelease  Temporary failure resolving 'jp.archive.ubuntu.com'\r\nW: Failed to fetch http:\/\/security.ubuntu.com\/ubuntu\/dists\/focal-security\/InRelease  Temporary failure resolving 'security.ubuntu.com'\r\nW: Some index files failed to download. They have been ignored, or old ones used instead.\r\n<\/code><\/pre>\n<p>\u67e5\u770b\u9519\u8bef\u540e\u53d1\u73b0\uff0c\u4f3c\u4e4eDNS\u7684\u540d\u79f0\u8f6c\u6362\u6ca1\u6709\u6210\u529f\u3002<br \/>\n\u5c1d\u8bd5\u786e\u8ba4DNS\u7684\u5f53\u524d\u72b6\u6001\u3002<\/p>\n<pre class=\"post-pre\"><code>$ cat \/etc\/resolv.conf \r\n\r\nnameserver 127.0.0.53\r\noptions edns0 trust-ad\r\n<\/code><\/pre>\n<p>\u5728\u63a2\u7d22\u4e4b\u540e\u53d1\u73b0\uff0c<br \/>\n127.0.0.53\u662f\u4ec0\u4e48\u610f\u601d\uff1f\u8fd9\u662fnameserver\uff08DNS\uff09\u3002<br \/>\n\u8fd9\u4f3c\u4e4e\u662fUbuntu\u7684\u4e00\u4e2a\u9519\u8bef\uff0c\u7b26\u53f7\u94fe\u63a5\u7684\u5f15\u7528\u5df2\u7ecf\u6307\u5411\u4e86\u53e6\u4e00\u4e2a\u4f4d\u7f6e\u3002<br \/>\n\u6211\u4eec\u6765\u8fdb\u884c\u786e\u8ba4\u3002<\/p>\n<pre class=\"post-pre\"><code>$ ls -l \/etc\/resolv.conf\r\nlrwxrwxrwx 1 root root 39 12\u6708 13 23:01 \/etc\/resolv.conf -&gt; ..\/run\/systemd\/resolve\/stub-resolv.conf\r\n<\/code><\/pre>\n<p>\u5982\u4e0a\u6240\u8ff0\uff0c\u672c\u6765\u5e94\u8be5\u662f\/run\/systemd\/resolve\/stub-resolv.conf\u7684\u4f4d\u7f6e\uff0c\u4f46\u73b0\u5728\u5374\u5f15\u7528\u4e86\u4e00\u4e2a\u66f4\u9ad8\u7ea7\u7684\u76ee\u5f55\u3002<br \/>\n\u8fd9\u6837\u505a\u7684\u8bdd\uff0c\u5373\u4f7f\u4fee\u6b63\u4e86\u539f\u56e0\u6587\u4ef6\/etc\/resolv.conf\u548c\/run\/systemd\/resolve\/stub-resolv.conf\u8fd9\u4e24\u4e2a\u6587\u4ef6\uff0c\u95ee\u9898\u4e5f\u65e0\u6cd5\u89e3\u51b3\u3002<br \/>\n\uff08\u56e0\u4e3a\u5728\u4fee\u590d\u540e\u4f7f\u7528sudo systemctl restart systemd-resolved\u66f4\u65b0\uff0c\u5bfc\u81f4\u65e0\u6cd5\u8fd8\u539f\u6b63\u5e38\u72b6\u6001\uff0csudo apt update\u4e5f\u65e0\u6cd5\u901a\u8fc7\u3002\uff09<\/p>\n<h1>\u5904\u7406<\/h1>\n<p>\u56e0\u6b64\uff0c\u53ea\u9700\u7f16\u8f91DNS\u5e76\u91cd\u65b0\u521b\u5efa\u7b26\u53f7\u94fe\u63a5\uff0c\u5b83\u5c31\u4f1a\u6b63\u5e38\u5de5\u4f5c\u3002<\/p>\n<p>\u8bf7\u4f7f\u7528nano\u6216vi\u7f16\u8f91\/etc\/systemd\/resolve.conf\u6587\u4ef6\uff0c\u5e76\u6dfb\u52a0\u81ea\u5df1\u7684DNS IP\u5730\u5740\u3002<br \/>\n\u7531\u4e8eapt\u65e0\u6cd5\u4f7f\u7528\uff0c\u6240\u4ee5\u6682\u65f6\u65e0\u6cd5\u4f7f\u7528emacs\u3002<\/p>\n<pre class=\"post-pre\"><code>$ sudo nano \/etc\/systemd\/resolve.conf\r\n\r\n#DNS=\r\n\u3000\u3000\u2193\r\nDNS=your_DNS_IP\r\n<\/code><\/pre>\n<p>\u5f53\u8fdb\u884c\u7f16\u8f91\u540e\uff0c\u5c06\u91cd\u65b0\u521b\u5efa\/etc\/resolv.conf\u7684\u7b26\u53f7\u94fe\u63a5\u3002<\/p>\n<pre class=\"post-pre\"><code>$ sudo unlink \/etc\/resolv.conf\r\n$ sudo ln -s \/run\/systemd\/resolve\/resolv.conf \/etc\/resolv.conf\r\n<\/code><\/pre>\n<p>\u6700\u540e\uff0c\u53ea\u9700\u66f4\u65b0DNS\u8bbe\u7f6e\u5373\u53ef\u5b8c\u6210\u3002\u5728\u53c2\u8003\u6587\u7ae0\u4e2d\uff0c\u4f7f\u7528\u4e86sudo reboot\u6307\u4ee4\uff0c\u4f46\u6211\u7ecf\u8fc7\u68c0\u67e5\u4f7f\u7528\u4e86systemctl restart\u6307\u4ee4\u4ee5\u786e\u8ba4\u64cd\u4f5c\u3002<\/p>\n<pre class=\"post-pre\"><code>$ sudo systemctl restart systemd-resolved\r\n<\/code><\/pre>\n<p>\u6211\u4f1a\u786e\u8ba4\u662f\u5426\u6b63\u786e\u5730\u8bbe\u7f6e\u4e86\u94fe\u63a5\u3002<\/p>\n<pre class=\"post-pre\"><code>$ ls -l \/etc\/resolv.conf\r\nlrwxrwxrwx 1 root root 39 12\u6708 14 08:01 \/etc\/resolv.conf -&gt; \/run\/systemd\/resolve\/stub-resolv.conf\r\n<\/code><\/pre>\n<p>\u5df2\u7ecf\u6062\u590d\u6b63\u5e38\u3002\u7136\u540e\uff0c\u8bf7\u6267\u884csudo apt update\u5e76\u786e\u8ba4\u5176\u662f\u5426\u6b63\u5e38\u8fd0\u884c\u3002<\/p>\n<h1>\u7528Vagrantfile\u4e00\u6b21\u6027\u89e3\u51b3\u95ee\u9898<\/h1>\n<p>\u6211\u4f1a\u5728\u542f\u52a8VM\u65f6\u5bf9\u5176\u8fdb\u884c\u4fee\u590d\u3002\u5728\u7b2c3\u884c\u4e2d\uff0c\u5c06sed\u7684Your_DNS_IP\u66f4\u6539\u4e3a\u9002\u5408\u81ea\u5df1\u73af\u5883\u7684DNS IP\uff0c\u5219\u5e94\u8be5\u80fd\u6b63\u5e38\u8fd0\u884c\u3002<\/p>\n<pre class=\"post-pre\"><code>config.vm.provision \"shell\", inline: &lt;&lt;-SHELL\r\n    sed -i -e 's\/DNS=4.2.2.1 4.2.2.2 208.67.220.220\/DNS=Your_DNS_IP\/g' \/etc\/systemd\/resolved.conf\r\n    unlink \/etc\/resolv.conf\r\n    ln -s \/run\/systemd\/resolve\/resolv.conf \/etc\/resolv.conf\r\n    systemctl restart systemd-resolved\r\nSHELL\r\n<\/code><\/pre>\n<h1>\u6700\u540e<\/h1>\n<p>\u6839\u636e\u53c2\u8003\u6587\u7ae0\u6240\u8bf4\uff0c\u4f3c\u4e4e\u662fUbuntu 18.04\u7684\u4e00\u4e2a\u9519\u8bef\uff0c\u4f46\u662f\u5373\u4f7f\u5347\u7ea7\u523020\u7248\u672c\u4e5f\u4ecd\u7136\u5b58\u5728\u76f8\u540c\u95ee\u9898\u3002\u4e0d\u4ec5\u4ec5\u5728\u865a\u62df\u673a\u4e0a\uff0c\u4e3b\u673a\u4e0a\u4e5f\u53ef\u80fd\u4f1a\u6709\u7c7b\u4f3c\u7684\u9519\u8bef\uff0c\u6240\u4ee5\u5f53\u518d\u6b21\u9762\u4e34\u65f6\u53ef\u4ee5\u6709\u7528\u3002<\/p>\n<p>\u5982\u679c\u80fd\u5e2e\u5230\u67d0\u4eba\uff0c\u6211\u4f1a\u611f\u5230\u5e78\u798f\u3002<\/p>\n<h1>\u8bf7\u67e5\u9605\u6b64\u6587<\/h1>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u9996\u5148 \u9019\u662f\u6211\u5728\u4f7f\u7528Vagrant\u6642\u9047\u5230\u7684\u932f\u8aa4\u3002\u4e0d\u50c5\u662fVagrant\uff0c\u9019\u4f3c\u4e4e\u662f\u5e38\u898b\u7684ubuntu20\u932f\u8aa4\uff0c\u6240\u4ee5\u6211 [&hellip;]<\/p>\n","protected":false},"author":9,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[227],"class_list":["post-27011","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-227"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u5728Ubuntu20.04\u4e0a\u8fdb\u884capt update\u65f6\u7531\u4e8eDNS\u7684\u539f\u56e0\u51fa\u73b0\u9519\u8bef - Blog - Silicon Cloud<\/title>\n<meta name=\"description\" content=\"\u5173\u4e8e\u5728Ubuntu20.04\u4e0a\u8fdb\u884capt update\u65f6\u7531\u4e8eDNS\u7684\u539f\u56e0\u51fa\u73b0\u9519\u8bef\u7684\u6280\u672f\u6587\u7ae0\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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