{"id":107,"date":"2022-11-29T20:05:27","date_gmt":"2022-11-29T12:05:27","guid":{"rendered":"https:\/\/www.yyaan.top\/?p=107"},"modified":"2022-11-29T20:05:28","modified_gmt":"2022-11-29T12:05:28","slug":"ubuntu-20-04-%e4%bd%bf%e7%94%a8%e8%87%aa%e5%ae%9a%e4%b9%89%e7%9a%84-dns-%e8%ae%be%e7%bd%ae","status":"publish","type":"post","link":"https:\/\/www.yyaan.com\/?p=107","title":{"rendered":"Ubuntu 20.04 \u4f7f\u7528\u81ea\u5b9a\u4e49\u7684 DNS \u8bbe\u7f6e"},"content":{"rendered":"\n<p>\u4fee\u6539&nbsp;<code>\/etc\/systemd\/resolved.conf<\/code>, \u5199\u5165\u81ea\u5b9a\u4e49\u7684 DNS \u5730\u5740\uff0c\u591a\u4e2a\u5730\u5740\u4f7f\u7528\u7a7a\u683c\u5206\u9694\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>vi \/etc\/systemd\/resolved.conf\n\n&#91;Resolve]\n#cloudflare\nDNS=1.1.1.1 1.0.0.1 2606:4700:4700::1111 2606:4700:4700::1001\n#\u963f\u91cc\/\u817e\u8baf\nDNS=223.5.5.5 119.29.29.29 2400:3200::1 2402:4e00::<\/code><\/pre>\n\n\n\n<p>\u521b\u5efa\u8f6f\u8fde\u63a5\u8986\u76d6\u7cfb\u7edf\u7684&nbsp;<code>resolv.conf<\/code>\uff0c\u8ba9\u7cfb\u7edf\u4f7f\u7528&nbsp;<code>systemd-resolved<\/code>&nbsp;\u751f\u6210\u7684\u914d\u7f6e\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>ln -sf \/run\/systemd\/resolve\/resolv.conf \/etc\/resolv.conf\n<\/code><\/pre>\n\n\n\n<p>\u91cd\u542f&nbsp;<code>systemd-resolved<\/code>&nbsp;\u670d\u52a1\uff0c\u4f7f\u914d\u7f6e\u751f\u6548\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>service systemd-resolved restart\n<\/code><\/pre>\n\n\n\n<p>\u6d4b\u8bd5\u4e00\u4e0b\u662f\u5426\u751f\u6548\u4e86\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>nslookup github.com\n<\/code><\/pre>\n\n\n\n<p>\u8f93\u51fa\u7ed3\u679c\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>Server:\t\t1.1.1.1\nAddress:\t1.1.1.1#53\n\nNon-authoritative answer:\nName:\tgithub.com\nAddress: 140.82.112.4\n<\/code><\/pre>\n\n\n\n<p><code>systemd-resolve --status<\/code>&nbsp;\u53ef\u4ee5\u67e5\u8be2\u5f53\u524d\u8bbe\u7f6e\u7684\u72b6\u6001\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>Global\n       LLMNR setting: yes\nMulticastDNS setting: yes\n  DNSOverTLS setting: no\n      DNSSEC setting: allow-downgrade\n    DNSSEC supported: yes\n         DNS Servers: 1.1.1.1\n                      1.0.0.1\n                      2606:4700:4700::1111\n                      2606:4700:4700::1001\n          DNSSEC NTA: ...\n          ...\n<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"\u5f00\u673a\u81ea\u52a8\u542f\u52a8-systemd-resolved\">\u5f00\u673a\u81ea\u52a8\u542f\u52a8 systemd-resolved<\/h2>\n\n\n\n<p><code>service systemd-resolved restart<\/code>&nbsp;\u662f\u4e34\u65f6\u542f\u52a8\u670d\u52a1\uff0c\u91cd\u542f\u540e\u5c31\u5931\u6548\u4e86\u3002<\/p>\n\n\n\n<p>\u9700\u8981\u628a&nbsp;<code>systemd-resolved<\/code>&nbsp;\u670d\u52a1\u8bbe\u7f6e\u4e3a\u5f00\u673a\u542f\u52a8\u624d\u80fd\u6c38\u4e45\u751f\u6548\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>systemctl enable systemd-resolved<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\u4fee\u6539&nbsp;\/etc\/systemd\/resolved.conf, \u5199\u5165\u81ea\u5b9a\u4e49\u7684 DNS \u5730\u5740\uff0c [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_themeisle_gutenberg_block_has_review":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-107","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/www.yyaan.com\/index.php?rest_route=\/wp\/v2\/posts\/107","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.yyaan.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.yyaan.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.yyaan.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.yyaan.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=107"}],"version-history":[{"count":1,"href":"https:\/\/www.yyaan.com\/index.php?rest_route=\/wp\/v2\/posts\/107\/revisions"}],"predecessor-version":[{"id":108,"href":"https:\/\/www.yyaan.com\/index.php?rest_route=\/wp\/v2\/posts\/107\/revisions\/108"}],"wp:attachment":[{"href":"https:\/\/www.yyaan.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=107"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.yyaan.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=107"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.yyaan.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=107"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}