{"id":36,"date":"2023-02-18T01:14:53","date_gmt":"2023-02-17T17:14:53","guid":{"rendered":"https:\/\/km94.com\/?p=36"},"modified":"2023-02-18T01:14:53","modified_gmt":"2023-02-17T17:14:53","slug":"%e5%a6%82%e4%bd%95%e5%9c%a8ubuntu%e4%b8%8a%e6%9f%a5%e7%9c%8b%e5%92%8c%e5%88%b7%e6%96%b0dns%e7%bc%93%e5%ad%98%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/dy208.cn\/index.php\/2023\/02\/18\/%e5%a6%82%e4%bd%95%e5%9c%a8ubuntu%e4%b8%8a%e6%9f%a5%e7%9c%8b%e5%92%8c%e5%88%b7%e6%96%b0dns%e7%bc%93%e5%ad%98%ef%bc%9f\/","title":{"rendered":"\u5982\u4f55\u5728Ubuntu\u4e0a\u67e5\u770b\u548c\u5237\u65b0DNS\u7f13\u5b58\uff1f"},"content":{"rendered":"<p>DNS\u7f13\u5b58\u662f\u7528\u4e8eDNS\u67e5\u627e\u7684\u4e34\u65f6\u5b58\u50a8\u7cfb\u7edf\uff0c\u8d1f\u8d23\u5c06\u57df\u540d\u8f6c\u6362\u4e3aIP\u5730\u5740\u3002\u8fdb\u884cDNS\u67e5\u8be2\u65f6\uff0c\u7cfb\u7edf\u4f1a\u68c0\u67e5\u7f13\u5b58\u4e2d\u7684\u76f8\u5173\u4fe1\u606f\u3002\u5982\u679c\u627e\u5230\u4e86\uff0c\u90a3\u4e48\u5b83\u4f1a\u52a0\u901f\u57df\u540d\u89e3\u6790\u7684\u8fc7\u7a0b\u3002\u5982\u679cDNS\u7f13\u5b58\u4e2d\u7684\u6570\u636e\u8fc7\u65f6\u6216\u4e0d\u6b63\u786e\uff0c\u5219\u9700\u5237\u65b0\u5b83\u4ee5\u786e\u4fdd\u4f7f\u7528\u6b63\u786e\u7684\u4fe1\u606f\u3002\u672c\u6587\u4e3b\u8981\u4ecb\u7ecd\u4e0b\u5982\u4f55\u5728Ubuntu\u4e0a\u67e5\u770b\u548c\u5237\u65b0DNS\u7f13\u5b58\u3002<\/p>\n<p>\u5728\u5237\u65b0DNS\u7f13\u5b58\u4e4b\u524d\uff0c\u60a8\u5e94\u8be5\u4f7f\u7528\u547d\u4ee4\u884c\u5b9e\u7528\u7a0b\u5e8f(\u5982nslookup)\u4e86\u89e3\u7cfb\u7edf\u4e0a\u7684DNS\u7f13\u5b58\u662f\u5426\u5df2\u542f\u7528\u3002\u5982\u679c\u60a8\u5728Ubuntu\u4e0a\u6ca1\u6709\u5b89\u88c5\u8be5\u547d\u4ee4\u884c\u5b9e\u7528\u7a0b\u5e8f\uff0c\u5219\u53ef\u53c2\u8003\u4ee5\u4e0b\u6b65\u9aa4\u9010\u6b65\u64cd\u4f5c\u3002<\/p>\n<p>1\u3001\u8fd0\u884c\u4e0b\u9762\u547d\u4ee4\uff0c\u5b89\u88c5dnsutils\u8f6f\u4ef6\u5305\u3002<\/p>\n<pre class=\"wp-block-code\"><code class=\"hljs text\"><span class=\"hljs-selector-tag\">$ sudo apt install dnsutils<\/code><\/pre>\n<p>\u56e0\u4e3a\u8fd9\u4e2a\u547d\u4ee4\u9700\u8981sudo\u7279\u6743\uff0c\u6240\u4ee5\u7cfb\u7edf\u4f1a\u63d0\u793a\u60a8\u8f93\u5165\u7528\u6237\u5bc6\u7801\uff0c\u7ec8\u7aef\u4f1a\u5b89\u88c5\u5b83\u3002\u5f53\u5b89\u88c5\u4e86\u201cdnsutils\u201d\u5305\u540e\uff0c\u8ba9\u6211\u4eec\u4f7f\u7528nslookup\u547d\u4ee4\u6765\u67e5\u770b\u7cfb\u7edf\u4e0a\u662f\u5426\u542f\u7528\u4e86DNS\u7f13\u5b58\u3002<\/p>\n<pre class=\"wp-block-code\"><code class=\"hljs text\"><span class=\"hljs-selector-tag\">$ nslookup www.idcspy.com<\/code><\/pre>\n<p>\u5982\u679c\u8f93\u51fa\u7684\u7ed3\u679c\u4e2d\uff0c\u80fd\u6b63\u786e\u67e5\u770b\u5230DNS\u5305\u542b\u7684IP\u5730\u5740\uff0c\u5219\u8868\u793aDNS\u7f13\u5b58\u5df2\u542f\u7528\u3002\u5982\u679c\u5b83\u88ab\u7981\u7528\uff0c\u60a8\u4f1a\u770b\u5230\u4e00\u4e2a\u201cconnection refused\u201d\u8fde\u63a5\u88ab\u62d2\u7edd\u7684\u9519\u8bef\u3002<\/p>\n<p>2\u3001\u8981\u662fDNS\u7f13\u5b58\u88ab\u7981\u7528\uff0c\u60a8\u53ef\u8fd0\u884c\u4e0b\u9762\u547d\u4ee4\u4ee5\u542f\u7528DNS\u7f13\u5b58\u3002<\/p>\n<pre class=\"wp-block-code\"><code class=\"hljs text\"><span class=\"hljs-selector-tag\">$ sudo systemctl start systemd-resolved<\/code><\/pre>\n<p>3\u3001DNS\u7f13\u5b58\u6210\u529f\u542f\u7528\u540e\uff0c\u60a8\u5982\u679c\u8981\u67e5\u770bUbuntu\u4e0aDNS\u7f13\u5b58\u7684\u7edf\u8ba1\u6570\u636e\uff0c \u53ef\u8fd0\u884c\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<pre class=\"wp-block-code\"><code class=\"hljs text\"><span class=\"hljs-selector-tag\">$ resolvectl statistics<\/code><\/pre>\n<p>\u5982\u65e0\u610f\u5916\uff0c\u60a8\u4f1a\u5f97\u5230\u7c7b\u4f3c\u4e0b\u9762\u7684\u8f93\u51fa\u7ed3\u679c\u3002<\/p>\n<p>\n\t<figure class=\"wp-block-image size-full\"><img decoding=\"async\" class=\"wp-image-38\" alt=\"\u5982\u4f55\u5728Ubuntu\u4e0a\u67e5\u770b\u548c\u5237\u65b0DNS\u7f13\u5b58\" src=\"https:\/\/km94.com\/wp-content\/uploads\/2023\/02\/ub1.png\"><\/figure>\n\t<\/p>\n<p>\u5982\u679c\u8981\u5237\u65b0DNS\u7f13\u5b58\u7684\u8bdd\uff0c\u60a8\u53ef\u4f7f\u7528\u4e0b\u9762\u8fd9\u4e2a\u547d\u4ee4\uff1a<\/p>\n<pre class=\"wp-block-code\"><code class=\"hljs text\"><span class=\"hljs-selector-tag\">$ sudo resolvectl flush-caches<\/code><\/pre>\n\n<div>\n<div>\n\n\n\n<\/div>\n<div>\n\n\n\n<\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>DNS\u7f13\u5b58\u662f\u7528\u4e8eDNS\u67e5\u627e\u7684\u4e34\u65f6\u5b58\u50a8\u7cfb\u7edf\uff0c\u8d1f\u8d23\u5c06\u57df\u540d\u8f6c\u6362\u4e3aIP\u5730\u5740\u3002\u8fdb\u884cDNS\u67e5\u8be2\u65f6\uff0c\u7cfb\u7edf\u4f1a\u68c0\u67e5\u7f13\u5b58\u4e2d\u7684\u76f8\u5173\u4fe1&hellip;<\/p>\n","protected":false},"author":1,"featured_media":37,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2,3],"tags":[],"class_list":["post-36","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-jc","category-server","entry"],"_links":{"self":[{"href":"https:\/\/dy208.cn\/index.php\/wp-json\/wp\/v2\/posts\/36","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/dy208.cn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/dy208.cn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/dy208.cn\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/dy208.cn\/index.php\/wp-json\/wp\/v2\/comments?post=36"}],"version-history":[{"count":0,"href":"https:\/\/dy208.cn\/index.php\/wp-json\/wp\/v2\/posts\/36\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/dy208.cn\/index.php\/wp-json\/"}],"wp:attachment":[{"href":"https:\/\/dy208.cn\/index.php\/wp-json\/wp\/v2\/media?parent=36"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/dy208.cn\/index.php\/wp-json\/wp\/v2\/categories?post=36"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/dy208.cn\/index.php\/wp-json\/wp\/v2\/tags?post=36"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}