{"id":13609,"date":"2024-11-15T19:54:55","date_gmt":"2024-11-15T11:54:55","guid":{"rendered":"https:\/\/fwq.ai\/blog\/13609\/"},"modified":"2024-11-15T19:54:55","modified_gmt":"2024-11-15T11:54:55","slug":"docker%e6%95%85%e9%9a%9c%e7%a0%81%e5%92%8c%e8%a7%a3%e5%86%b3%e5%8a%9e%e6%b3%95-error-cannot-reach-external-network","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/13609\/","title":{"rendered":"Docker\u6545\u969c\u7801\u548c\u89e3\u51b3\u529e\u6cd5 &#8211; Error: cannot reach external network"},"content":{"rendered":"<h1 id=\"docker%e6%95%85%e9%9a%9c%e7%a0%81%e5%92%8c%e8%a7%a3%e5%86%b3%e5%8a%9e%e6%b3%95-error-cannot-reach-external-network-AaiCeHeAfj\">Docker\u6545\u969c\u7801\u548c\u89e3\u51b3\u529e\u6cd5 &#8211; Error: cannot reach external network<\/h1>\n<p>\u5728\u4f7f\u7528Docker\u8fdb\u884c\u5bb9\u5668\u5316\u90e8\u7f72\u65f6\uff0c\u7528\u6237\u53ef\u80fd\u4f1a\u9047\u5230\u5404\u79cd\u6545\u969c\u7801\uff0c\u5176\u4e2d\u201cError: cannot reach external network\u201d\u662f\u4e00\u4e2a\u5e38\u89c1\u7684\u95ee\u9898\u3002\u8fd9\u4e00\u9519\u8bef\u901a\u5e38\u8868\u660eDocker\u5bb9\u5668\u65e0\u6cd5\u8bbf\u95ee\u5916\u90e8\u7f51\u7edc\uff0c\u53ef\u80fd\u4f1a\u5f71\u54cd\u5230\u5e94\u7528\u7684\u6b63\u5e38\u8fd0\u884c\u3002\u672c\u6587\u5c06\u63a2\u8ba8\u8be5\u9519\u8bef\u7684\u539f\u56e0\u53ca\u5176\u89e3\u51b3\u529e\u6cd5\u3002<\/p>\n<h2 id=\"%e4%b8%80%e3%80%81%e9%94%99%e8%af%af%e5%8e%9f%e5%9b%a0%e5%88%86%e6%9e%90-AaiCeHeAfj\">\u4e00\u3001\u9519\u8bef\u539f\u56e0\u5206\u6790<\/h2>\n<p>Docker\u5bb9\u5668\u65e0\u6cd5\u8bbf\u95ee\u5916\u90e8\u7f51\u7edc\u7684\u539f\u56e0\u53ef\u80fd\u6709\u591a\u79cd\uff0c\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u89c1\u7684\u539f\u56e0\uff1a<\/p>\n<ul>\n<li><strong>\u7f51\u7edc\u914d\u7f6e\u95ee\u9898\uff1a<\/strong>Docker\u7684\u7f51\u7edc\u914d\u7f6e\u53ef\u80fd\u4e0d\u6b63\u786e\uff0c\u5bfc\u81f4\u5bb9\u5668\u65e0\u6cd5\u8fde\u63a5\u5230\u5916\u90e8\u7f51\u7edc\u3002<\/li>\n<li><strong>\u9632\u706b\u5899\u8bbe\u7f6e\uff1a<\/strong>\u4e3b\u673a\u7684\u9632\u706b\u5899\u53ef\u80fd\u963b\u6b62\u4e86Docker\u5bb9\u5668\u7684\u7f51\u7edc\u6d41\u91cf\u3002<\/li>\n<li><strong>DNS\u89e3\u6790\u95ee\u9898\uff1a<\/strong>\u5bb9\u5668\u5185\u7684DNS\u8bbe\u7f6e\u53ef\u80fd\u4e0d\u6b63\u786e\uff0c\u5bfc\u81f4\u65e0\u6cd5\u89e3\u6790\u5916\u90e8\u57df\u540d\u3002<\/li>\n<li><strong>Docker\u670d\u52a1\u672a\u542f\u52a8\uff1a<\/strong>Docker\u670d\u52a1\u672a\u6b63\u5e38\u8fd0\u884c\uff0c\u53ef\u80fd\u5bfc\u81f4\u7f51\u7edc\u8fde\u63a5\u5931\u8d25\u3002<\/li>\n<\/ul>\n<h2 id=\"%e4%ba%8c%e3%80%81%e8%a7%a3%e5%86%b3%e5%8a%9e%e6%b3%95-AaiCeHeAfj\">\u4e8c\u3001\u89e3\u51b3\u529e\u6cd5<\/h2>\n<p>\u9488\u5bf9\u4e0a\u8ff0\u95ee\u9898\uff0c\u4ee5\u4e0b\u662f\u4e00\u4e9b\u89e3\u51b3\u529e\u6cd5\uff1a<\/p>\n<h3 id=\"1-%e6%a3%80%e6%9f%a5%e7%bd%91%e7%bb%9c%e9%85%8d%e7%bd%ae-AaiCeHeAfj\">1. \u68c0\u67e5\u7f51\u7edc\u914d\u7f6e<\/h3>\n<p>\u9996\u5148\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u68c0\u67e5Docker\u7f51\u7edc\u914d\u7f6e\uff1a<\/p>\n<pre><code>docker network ls<\/code><\/pre>\n<p>\u786e\u4fdd\u60a8\u4f7f\u7528\u7684\u7f51\u7edc\u5b58\u5728\u4e14\u914d\u7f6e\u6b63\u786e\u3002\u5982\u679c\u9700\u8981\uff0c\u60a8\u53ef\u4ee5\u521b\u5efa\u4e00\u4e2a\u65b0\u7684\u7f51\u7edc\u5e76\u5c06\u5bb9\u5668\u8fde\u63a5\u5230\u8be5\u7f51\u7edc\uff1a<\/p>\n<pre><code>docker network create my_network<\/code><\/pre>\n<pre><code>docker run --network my_network my_container<\/code><\/pre>\n<h3 id=\"2-%e6%a3%80%e6%9f%a5%e9%98%b2%e7%81%ab%e5%a2%99%e8%ae%be%e7%bd%ae-AaiCeHeAfj\">2. \u68c0\u67e5\u9632\u706b\u5899\u8bbe\u7f6e<\/h3>\n<p>\u5982\u679c\u60a8\u6000\u7591\u9632\u706b\u5899\u53ef\u80fd\u662f\u95ee\u9898\u7684\u6839\u6e90\uff0c\u53ef\u4ee5\u6682\u65f6\u7981\u7528\u9632\u706b\u5899\u8fdb\u884c\u6d4b\u8bd5\u3002\u5728Linux\u7cfb\u7edf\u4e2d\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<pre><code>sudo systemctl stop firewalld<\/code><\/pre>\n<p>\u5982\u679c\u7981\u7528\u9632\u706b\u5899\u540e\u95ee\u9898\u89e3\u51b3\uff0c\u60a8\u9700\u8981\u8c03\u6574\u9632\u706b\u5899\u89c4\u5219\u4ee5\u5141\u8bb8Docker\u6d41\u91cf\u3002<\/p>\n<h3 id=\"3-%e6%a3%80%e6%9f%a5dns%e8%ae%be%e7%bd%ae-AaiCeHeAfj\">3. \u68c0\u67e5DNS\u8bbe\u7f6e<\/h3>\n<p>\u5982\u679c\u5bb9\u5668\u65e0\u6cd5\u89e3\u6790\u5916\u90e8\u57df\u540d\uff0c\u60a8\u53ef\u4ee5\u68c0\u67e5\u5bb9\u5668\u7684DNS\u8bbe\u7f6e\u3002\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u547d\u4ee4\u8fdb\u5165\u5bb9\u5668\u5e76\u68c0\u67e5DNS\u914d\u7f6e\uff1a<\/p>\n<pre><code>docker exec -it my_container \/bin\/bash<\/code><\/pre>\n<pre><code>cat \/etc\/resolv.conf<\/code><\/pre>\n<p>\u5982\u679cDNS\u8bbe\u7f6e\u4e0d\u6b63\u786e\uff0c\u53ef\u4ee5\u5728\u8fd0\u884c\u5bb9\u5668\u65f6\u6307\u5b9aDNS\u670d\u52a1\u5668\uff1a<\/p>\n<pre><code>docker run --dns 8.8.8.8 my_container<\/code><\/pre>\n<h3 id=\"4-%e7%a1%ae%e4%bf%9ddocker%e6%9c%8d%e5%8a%a1%e6%ad%a3%e5%b8%b8%e8%bf%90%e8%a1%8c-AaiCeHeAfj\">4. \u786e\u4fddDocker\u670d\u52a1\u6b63\u5e38\u8fd0\u884c<\/h3>\n<p>\u6700\u540e\uff0c\u786e\u4fddDocker\u670d\u52a1\u6b63\u5728\u8fd0\u884c\u3002\u60a8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u68c0\u67e5Docker\u670d\u52a1\u72b6\u6001\uff1a<\/p>\n<pre><code>sudo systemctl status docker<\/code><\/pre>\n<p>\u5982\u679c\u670d\u52a1\u672a\u8fd0\u884c\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u542f\u52a8Docker\u670d\u52a1\uff1a<\/p>\n<pre><code>sudo systemctl start docker<\/code><\/pre>\n<h2 id=\"%e4%b8%89%e3%80%81%e6%80%bb%e7%bb%93-AaiCeHeAfj\">\u4e09\u3001\u603b\u7ed3<\/h2>\n<p>\u5728Docker\u4f7f\u7528\u8fc7\u7a0b\u4e2d\uff0c\u9047\u5230\u201cError: cannot reach external network\u201d\u9519\u8bef\u5e76\u4e0d\u7f55\u89c1\u3002\u901a\u8fc7\u68c0\u67e5\u7f51\u7edc\u914d\u7f6e\u3001\u9632\u706b\u5899\u8bbe\u7f6e\u3001DNS\u89e3\u6790\u4ee5\u53caDocker\u670d\u52a1\u72b6\u6001\uff0c\u7528\u6237\u901a\u5e38\u53ef\u4ee5\u5feb\u901f\u5b9a\u4f4d\u5e76\u89e3\u51b3\u95ee\u9898\u3002\u5bf9\u4e8e\u9700\u8981\u9ad8\u53ef\u7528\u6027\u548c\u7a33\u5b9a\u6027\u7684\u5e94\u7528\uff0c\u9009\u62e9\u5408\u9002\u7684\u670d\u52a1\u5668\u548c\u7f51\u7edc\u73af\u5883\u81f3\u5173\u91cd\u8981\u3002\u7c73\u4e91\u63d0\u4f9b\u591a\u79cd\u7c7b\u578b\u7684<a href=\"https:\/\/fwq.ai\">\u4e91\u670d\u52a1\u5668<\/a>\uff0c\u5305\u62ec\u7f8e\u56fdVPS\u548c\u533f\u540d\u670d\u52a1\u5668\uff0c\u80fd\u591f\u6ee1\u8db3\u4e0d\u540c\u7528\u6237\u7684\u9700\u6c42\u3002\u4e86\u89e3\u66f4\u591a\u4fe1\u606f\uff0c\u8bf7\u8bbf\u95ee\u6211\u4eec\u7684<a href=\"https:\/\/fwq.ai\">\u7f51\u7ad9<\/a>\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Docker\u6545\u969c\u7801\u548c\u89e3\u51b3\u529e\u6cd5 &#8211; Error: cannot reach external network \u5728\u4f7f\u7528Docker\u8fdb\u884c\u5bb9\u5668\u5316\u90e8\u7f72\u65f6\uff0c\u7528\u6237\u53ef\u80fd\u4f1a\u9047\u5230\u5404\u79cd\u6545\u969c\u7801\uff0c\u5176\u4e2d\u201cError: cannot reach external network\u201d\u662f\u4e00\u4e2a\u5e38\u89c1\u7684\u95ee\u9898\u3002\u8fd9\u4e00\u9519\u8bef\u901a\u5e38\u8868\u660eDocker\u5bb9\u5668\u65e0\u6cd5\u8bbf\u95ee\u5916\u90e8\u7f51\u7edc\uff0c\u53ef\u80fd\u4f1a\u5f71\u54cd\u5230\u5e94\u7528\u7684\u6b63\u5e38\u8fd0\u884c\u3002\u672c\u6587\u5c06\u63a2\u8ba8\u8be5\u9519\u8bef\u7684\u539f\u56e0\u53ca\u5176\u89e3\u51b3\u529e\u6cd5\u3002 \u4e00\u3001\u9519\u8bef\u539f\u56e0\u5206\u6790 Docker\u5bb9\u5668\u65e0\u6cd5\u8bbf\u95ee\u5916\u90e8\u7f51\u7edc\u7684\u539f\u56e0\u53ef\u80fd\u6709\u591a\u79cd\uff0c\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u89c1\u7684\u539f\u56e0\uff1a \u7f51\u7edc\u914d\u7f6e\u95ee\u9898\uff1aDocker\u7684\u7f51\u7edc\u914d\u7f6e\u53ef\u80fd\u4e0d\u6b63\u786e\uff0c\u5bfc\u81f4\u5bb9\u5668\u65e0\u6cd5\u8fde\u63a5\u5230\u5916\u90e8\u7f51\u7edc\u3002 \u9632\u706b\u5899\u8bbe\u7f6e\uff1a\u4e3b\u673a\u7684\u9632\u706b\u5899\u53ef\u80fd\u963b\u6b62\u4e86Docker\u5bb9\u5668\u7684\u7f51\u7edc\u6d41\u91cf\u3002 DNS\u89e3\u6790\u95ee\u9898\uff1a\u5bb9\u5668\u5185\u7684DNS\u8bbe\u7f6e\u53ef\u80fd\u4e0d\u6b63\u786e\uff0c\u5bfc\u81f4\u65e0\u6cd5\u89e3\u6790\u5916\u90e8\u57df\u540d\u3002 Docker\u670d\u52a1\u672a\u542f\u52a8\uff1aDocker\u670d\u52a1\u672a\u6b63\u5e38\u8fd0\u884c\uff0c\u53ef\u80fd\u5bfc\u81f4\u7f51\u7edc\u8fde\u63a5\u5931\u8d25\u3002 \u4e8c\u3001\u89e3\u51b3\u529e\u6cd5 \u9488\u5bf9\u4e0a\u8ff0\u95ee\u9898\uff0c\u4ee5\u4e0b\u662f\u4e00\u4e9b\u89e3\u51b3\u529e\u6cd5\uff1a 1. \u68c0\u67e5\u7f51\u7edc\u914d\u7f6e \u9996\u5148\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u68c0\u67e5Docker\u7f51\u7edc\u914d\u7f6e\uff1a docker network ls \u786e\u4fdd\u60a8\u4f7f\u7528\u7684\u7f51\u7edc\u5b58\u5728\u4e14\u914d\u7f6e\u6b63\u786e\u3002\u5982\u679c\u9700\u8981\uff0c\u60a8\u53ef\u4ee5\u521b\u5efa\u4e00\u4e2a\u65b0\u7684\u7f51\u7edc\u5e76\u5c06\u5bb9\u5668\u8fde\u63a5\u5230\u8be5\u7f51\u7edc\uff1a docker network create my_network docker run &#8211;network my_network my_container 2. \u68c0\u67e5\u9632\u706b\u5899\u8bbe\u7f6e \u5982\u679c\u60a8\u6000\u7591\u9632\u706b\u5899\u53ef\u80fd\u662f\u95ee\u9898\u7684\u6839\u6e90\uff0c\u53ef\u4ee5\u6682\u65f6\u7981\u7528\u9632\u706b\u5899\u8fdb\u884c\u6d4b\u8bd5\u3002\u5728Linux\u7cfb\u7edf\u4e2d\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a sudo systemctl stop firewalld \u5982\u679c\u7981\u7528\u9632\u706b\u5899\u540e\u95ee\u9898\u89e3\u51b3\uff0c\u60a8\u9700\u8981\u8c03\u6574\u9632\u706b\u5899\u89c4\u5219\u4ee5\u5141\u8bb8Docker\u6d41\u91cf\u3002 3. \u68c0\u67e5DNS\u8bbe\u7f6e \u5982\u679c\u5bb9\u5668\u65e0\u6cd5\u89e3\u6790\u5916\u90e8\u57df\u540d\uff0c\u60a8\u53ef\u4ee5\u68c0\u67e5\u5bb9\u5668\u7684DNS\u8bbe\u7f6e\u3002\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u547d\u4ee4\u8fdb\u5165\u5bb9\u5668\u5e76\u68c0\u67e5DNS\u914d\u7f6e\uff1a docker exec -it my_container \/bin\/bash cat \/etc\/resolv.conf \u5982\u679cDNS\u8bbe\u7f6e\u4e0d\u6b63\u786e\uff0c\u53ef\u4ee5\u5728\u8fd0\u884c\u5bb9\u5668\u65f6\u6307\u5b9aDNS\u670d\u52a1\u5668\uff1a [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[17],"tags":[],"class_list":["post-13609","post","type-post","status-publish","format-standard","hentry","category-docker"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/13609","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=13609"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/13609\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=13609"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=13609"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=13609"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}