{"id":211686,"date":"2023-12-22T12:06:22","date_gmt":"2023-12-22T04:06:22","guid":{"rendered":"https:\/\/www.idc.net\/help\/211686\/"},"modified":"2023-12-22T12:06:22","modified_gmt":"2023-12-22T04:06:22","slug":"%e4%bf%ae%e5%a4%8d-linux-%e9%94%99%e8%af%af-%e4%b8%bb%e6%9c%ba%e5%b7%b2%e5%85%b3%e9%97%ad","status":"publish","type":"post","link":"https:\/\/idc.net\/help\/211686\/","title":{"rendered":"\u4fee\u590d Linux \u9519\u8bef &#8211; \u4e3b\u673a\u5df2\u5173\u95ed"},"content":{"rendered":"<p><title id=\"%e4%bf%ae%e5%a4%8d-linux-%e9%94%99%e8%af%af-%e4%b8%bb%e6%9c%ba%e5%b7%b2%e5%85%b3%e9%97%ad-gdkmzLvkco\">\u4fee\u590d Linux \u9519\u8bef - \u4e3b\u673a\u5df2\u5173\u95ed<\/title><\/p>\n<h1 id=\"%e4%bf%ae%e5%a4%8d-linux-%e9%94%99%e8%af%af-%e4%b8%bb%e6%9c%ba%e5%b7%b2%e5%85%b3%e9%97%ad-gdkmzLvkco\">\u4fee\u590d Linux \u9519\u8bef - \u4e3b\u673a\u5df2\u5173\u95ed<\/h1>\n<p>\u5728\u4f7f\u7528 Linux \u64cd\u4f5c\u7cfb\u7edf\u65f6\uff0c\u6709\u65f6\u4f1a\u9047\u5230\u4e00\u4e9b\u9519\u8bef\u3002\u5176\u4e2d\u4e00\u4e2a\u5e38\u89c1\u7684\u9519\u8bef\u662f\u201c\u4e3b\u673a\u5df2\u5173\u95ed\u201d\uff08Host is down\uff09\u3002\u5f53\u60a8\u5c1d\u8bd5\u8fde\u63a5\u5230\u53e6\u4e00\u53f0\u8ba1\u7b97\u673a\u6216\u670d\u52a1\u5668\u65f6\uff0c\u53ef\u80fd\u4f1a\u6536\u5230\u6b64\u9519\u8bef\u6d88\u606f\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u5982\u4f55\u8bca\u65ad\u548c\u4fee\u590d\u6b64\u9519\u8bef\u3002<\/p>\n<h2 id=\"1-%e6%a3%80%e6%9f%a5%e7%bd%91%e7%bb%9c%e8%bf%9e%e6%8e%a5-gdkmzLvkco\">1. \u68c0\u67e5\u7f51\u7edc\u8fde\u63a5<\/h2>\n<p>\u9996\u5148\uff0c\u60a8\u9700\u8981\u786e\u4fdd\u60a8\u7684\u7f51\u7edc\u8fde\u63a5\u6b63\u5e38\u3002\u68c0\u67e5\u60a8\u7684\u7f51\u7edc\u7535\u7f06\u662f\u5426\u8fde\u63a5\u6b63\u786e\uff0c\u5e76\u786e\u4fdd\u60a8\u7684\u7f51\u7edc\u8bbe\u5907\uff08\u4f8b\u5982\u8def\u7531\u5668\u6216\u4ea4\u6362\u673a\uff09\u6b63\u5e38\u5de5\u4f5c\u3002\u60a8\u53ef\u4ee5\u5c1d\u8bd5\u8fde\u63a5\u5230\u5176\u4ed6\u8bbe\u5907\u6216\u8bbf\u95ee\u4e92\u8054\u7f51\u6765\u9a8c\u8bc1\u60a8\u7684\u7f51\u7edc\u8fde\u63a5\u3002<\/p>\n<h2 id=\"2-%e6%a3%80%e6%9f%a5%e7%9b%ae%e6%a0%87%e4%b8%bb%e6%9c%ba-gdkmzLvkco\">2. \u68c0\u67e5\u76ee\u6807\u4e3b\u673a<\/h2>\n<p>\u5982\u679c\u60a8\u7684\u7f51\u7edc\u8fde\u63a5\u6b63\u5e38\uff0c\u4f46\u4ecd\u7136\u6536\u5230\u201c\u4e3b\u673a\u5df2\u5173\u95ed\u201d\u9519\u8bef\u6d88\u606f\uff0c\u5219\u9700\u8981\u68c0\u67e5\u76ee\u6807\u4e3b\u673a\u7684\u72b6\u6001\u3002\u60a8\u53ef\u4ee5\u5c1d\u8bd5\u4f7f\u7528 ping \u547d\u4ee4\u6765\u6d4b\u8bd5\u76ee\u6807\u4e3b\u673a\u662f\u5426\u53ef\u8fbe\u3002\u5728\u7ec8\u7aef\u4e2d\u8fd0\u884c\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<pre><code>ping \u76ee\u6807\u4e3b\u673aIP\u5730\u5740<\/code><\/pre>\n<p>\u5982\u679c\u60a8\u6536\u5230\u56de\u590d\uff0c\u5219\u8868\u793a\u76ee\u6807\u4e3b\u673a\u662f\u53ef\u8fbe\u7684\u3002\u5982\u679c\u6ca1\u6709\u56de\u590d\uff0c\u5219\u53ef\u80fd\u662f\u76ee\u6807\u4e3b\u673a\u5173\u95ed\u6216\u9632\u706b\u5899\u963b\u6b62\u4e86\u8fde\u63a5\u3002\u60a8\u53ef\u4ee5\u5c1d\u8bd5\u4f7f\u7528 telnet \u547d\u4ee4\u6765\u6d4b\u8bd5\u76ee\u6807\u4e3b\u673a\u7684\u7279\u5b9a\u7aef\u53e3\u662f\u5426\u53ef\u7528\u3002<\/p>\n<h2 id=\"3-%e6%a3%80%e6%9f%a5%e9%98%b2%e7%81%ab%e5%a2%99%e8%ae%be%e7%bd%ae-gdkmzLvkco\">3. \u68c0\u67e5\u9632\u706b\u5899\u8bbe\u7f6e<\/h2>\n<p>\u9632\u706b\u5899\u662f\u4fdd\u62a4\u8ba1\u7b97\u673a\u548c\u7f51\u7edc\u5b89\u5168\u7684\u91cd\u8981\u7ec4\u6210\u90e8\u5206\u3002\u4f46\u6709\u65f6\u9632\u706b\u5899\u53ef\u80fd\u4f1a\u963b\u6b62\u60a8\u7684\u8fde\u63a5\u3002\u60a8\u53ef\u4ee5\u68c0\u67e5\u76ee\u6807\u4e3b\u673a\u4e0a\u7684\u9632\u706b\u5899\u8bbe\u7f6e\uff0c\u786e\u4fdd\u5141\u8bb8\u60a8\u7684\u8fde\u63a5\u3002\u60a8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u6765\u67e5\u770b\u9632\u706b\u5899\u89c4\u5219\uff1a<\/p>\n<pre><code>iptables -L<\/code><\/pre>\n<p>\u5982\u679c\u60a8\u53d1\u73b0\u9632\u706b\u5899\u89c4\u5219\u963b\u6b62\u4e86\u60a8\u7684\u8fde\u63a5\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u6765\u6dfb\u52a0\u5141\u8bb8\u8fde\u63a5\u7684\u89c4\u5219\uff1a<\/p>\n<pre><code>iptables -A INPUT -p tcp --dport \u76ee\u6807\u7aef\u53e3\u53f7 -j ACCEPT<\/code><\/pre>\n<p>\u8bf7\u5c06\u201c\u76ee\u6807\u7aef\u53e3\u53f7\u201d\u66ff\u6362\u4e3a\u60a8\u8981\u8fde\u63a5\u7684\u7aef\u53e3\u53f7\u3002<\/p>\n<h2 id=\"4-%e6%a3%80%e6%9f%a5%e7%9b%ae%e6%a0%87%e6%9c%8d%e5%8a%a1-gdkmzLvkco\">4. \u68c0\u67e5\u76ee\u6807\u670d\u52a1<\/h2>\n<p>\u5982\u679c\u60a8\u7684\u7f51\u7edc\u8fde\u63a5\u6b63\u5e38\uff0c\u76ee\u6807\u4e3b\u673a\u4e5f\u53ef\u8fbe\uff0c\u5e76\u4e14\u9632\u706b\u5899\u8bbe\u7f6e\u6b63\u786e\uff0c\u4f46\u4ecd\u7136\u6536\u5230\u201c\u4e3b\u673a\u5df2\u5173\u95ed\u201d\u9519\u8bef\u6d88\u606f\uff0c\u5219\u53ef\u80fd\u662f\u76ee\u6807\u670d\u52a1\u672a\u8fd0\u884c\u6216\u672a\u6b63\u786e\u914d\u7f6e\u3002\u60a8\u53ef\u4ee5\u68c0\u67e5\u76ee\u6807\u4e3b\u673a\u4e0a\u7684\u670d\u52a1\u72b6\u6001\uff0c\u5e76\u786e\u4fdd\u5b83\u4eec\u6b63\u5728\u8fd0\u884c\u3002<\/p>\n<p>\u60a8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u6765\u68c0\u67e5\u670d\u52a1\u72b6\u6001\uff1a<\/p>\n<pre><code>systemctl status \u670d\u52a1\u540d\u79f0<\/code><\/pre>\n<p>\u8bf7\u5c06\u201c\u670d\u52a1\u540d\u79f0\u201d\u66ff\u6362\u4e3a\u60a8\u8981\u68c0\u67e5\u7684\u670d\u52a1\u540d\u79f0\u3002\u5982\u679c\u670d\u52a1\u672a\u8fd0\u884c\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u6765\u542f\u52a8\u5b83\uff1a<\/p>\n<pre><code>systemctl start \u670d\u52a1\u540d\u79f0<\/code><\/pre>\n<h2 id=\"%e6%80%bb%e7%bb%93-gdkmzLvkco\">\u603b\u7ed3<\/h2>\n<p>\u4fee\u590d Linux \u9519\u8bef - \u4e3b\u673a\u5df2\u5173\u95ed\u53ef\u80fd\u9700\u8981\u60a8\u8fdb\u884c\u4e00\u7cfb\u5217\u7684\u8bca\u65ad\u548c\u4fee\u590d\u6b65\u9aa4\u3002\u9996\u5148\uff0c\u68c0\u67e5\u60a8\u7684\u7f51\u7edc\u8fde\u63a5\u548c\u76ee\u6807\u4e3b\u673a\u7684\u72b6\u6001\u3002\u7136\u540e\uff0c\u68c0\u67e5\u9632\u706b\u5899\u8bbe\u7f6e\u548c\u76ee\u6807\u670d\u52a1\u7684\u914d\u7f6e\u3002\u901a\u8fc7\u8fd9\u4e9b\u6b65\u9aa4\uff0c\u60a8\u5e94\u8be5\u80fd\u591f\u89e3\u51b3\u201c\u4e3b\u673a\u5df2\u5173\u95ed\u201d\u9519\u8bef\u5e76\u6210\u529f\u8fde\u63a5\u5230\u76ee\u6807\u4e3b\u673a\u3002<\/p>\n<p>\u9999\u6e2f\u670d\u52a1\u5668\u9996\u9009\u540e\u6d6a\u4e91\uff0c\u63d0\u4f9b\u53ef\u9760\u7684\u4e91\u8ba1\u7b97\u89e3\u51b3\u65b9\u6848\u3002\u5982\u679c\u60a8\u6b63\u5728\u5bfb\u627e\u9ad8\u6027\u80fd\u7684\u9999\u6e2f\u670d\u52a1\u5668\uff0c\u540e\u6d6a\u4e91\u662f\u60a8\u7684\u9996\u9009\u3002\u6211\u4eec\u63d0\u4f9b\u591a\u79cd\u914d\u7f6e\u7684\u9999\u6e2f\u670d\u52a1\u5668\uff0c\u4ee5\u6ee1\u8db3\u4e0d\u540c\u9700\u6c42\u3002\u8bf7\u8bbf\u95ee\u6211\u4eec\u7684<a href=\"https:\/\/idc.net\">\u5b98\u7f51<\/a>\u4e86\u89e3\u66f4\u591a\u4fe1\u606f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4fee\u590d Linux \u9519\u8bef - \u4e3b\u673a\u5df2\u5173\u95ed \u4fee\u590d Linux \u9519\u8bef - \u4e3b\u673a\u5df2\u5173\u95ed \u5728\u4f7f\u7528 Linux \u64cd\u4f5c\u7cfb\u7edf\u65f6 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[27],"tags":[],"class_list":["post-211686","post","type-post","status-publish","format-standard","hentry","category-centos"],"_links":{"self":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts\/211686","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/comments?post=211686"}],"version-history":[{"count":0,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts\/211686\/revisions"}],"wp:attachment":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/media?parent=211686"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/categories?post=211686"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/tags?post=211686"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}