{"id":151831,"date":"2022-02-03T04:18:47","date_gmt":"2022-02-02T20:18:47","guid":{"rendered":"http:\/\/www.idc.net\/help\/151831\/"},"modified":"2022-02-03T04:18:47","modified_gmt":"2022-02-02T20:18:47","slug":"%e6%80%8e%e6%a0%b7%e8%a7%a3%e5%86%b3linux%e4%b8%ad%e7%9a%84rxdrop%e9%97%ae%e9%a2%98%ef%bc%9f-linux-rx-drop","status":"publish","type":"post","link":"https:\/\/idc.net\/help\/151831\/","title":{"rendered":"\u600e\u6837\u89e3\u51b3Linux\u4e2d\u7684rxdrop\u95ee\u9898\uff1f (linux rx-drop)"},"content":{"rendered":"<p>Linux\u662f\u4e00\u79cd\u6d41\u884c\u7684\u5f00\u6e90\u64cd\u4f5c\u7cfb\u7edf\uff0c\u88ab\u5e7f\u6cdb\u5e94\u7528\u4e8e\u670d\u52a1\u5668\u3001\u7f51\u5173\u3001\u8def\u7531\u5668\u7b49\u5404\u79cd\u7f51\u7edc\u8bbe\u5907\u3002\u5728Linux\u4e2d\uff0c\u7f51\u7edc\u5305\u7684\u63a5\u6536\u548c\u53d1\u9001\u662f\u901a\u8fc7\u7f51\u7edc\u63a5\u53e3\u8bbe\u5907\u5b8c\u6210\u7684\uff0c\u5176\u4e2d\u6709\u4e00\u4e2a\u975e\u5e38\u5e38\u89c1\u7684\u95ee\u9898\u662frxdrop\u3002rxdrop\u6307\u7684\u662f\u7f51\u7edc\u5305\u5728\u63a5\u6536\u8fc7\u7a0b\u4e2d\u88ab\u4e22\u5f03\u7684\u60c5\u51b5\uff0c\u8fd9\u4f1a\u5bfc\u81f4\u7f51\u7edc\u6d41\u91cf\u963b\u585e\u548c\u6027\u80fd\u4e0b\u964d\uff0c\u7ed9\u7cfb\u7edf\u5e26\u6765\u5f88\u5927\u7684\u5f71\u54cd\u3002\u672c\u6587\u5c06\u4ecb\u7ecdrxdrop\u95ee\u9898\u7684\u539f\u56e0\u548c\u89e3\u51b3\u65b9\u6cd5\uff0c\u5e2e\u52a9Linux\u7528\u6237\u89e3\u51b3\u8fd9\u4e00\u96be\u9898\u3002<\/p>\n<p>1. \u95ee\u9898\u539f\u56e0<\/p>\n<p>rxdrop\u95ee\u9898\u7684\u53d1\u751f\u539f\u56e0\u975e\u5e38\u590d\u6742\uff0c\u548c\u7f51\u7edc\u73af\u5883\u3001\u8bbe\u5907\u786c\u4ef6\u3001\u64cd\u4f5c\u7cfb\u7edf\u5185\u6838\u7b49\u591a\u65b9\u9762\u56e0\u7d20\u6709\u5173\u3002\u5176\u4e2d\uff0c\u6700\u5e38\u89c1\u7684\u662f\u786c\u4ef6\u63a5\u53e3\u7f13\u51b2\u533a\u6ea2\u51fa\u548c\u5185\u6838\u5904\u7406\u80fd\u529b\u4e0d\u8db3\u4e24\u79cd\u60c5\u51b5\u3002<\/p>\n<p>\u786c\u4ef6\u63a5\u53e3\u7f13\u51b2\u533a\u6ea2\u51fa\uff1a\u7f51\u7edc\u63a5\u53e3\u8bbe\u5907\u5728\u6536\u5230\u7f51\u7edc\u5305\u65f6\uff0c\u4f1a\u5c06\u5305\u5b58\u50a8\u5728\u5185\u5b58\u4e2d\u7684\u63a5\u53e3\u7f13\u51b2\u533a\u4e2d\u3002\u5f53\u7f13\u51b2\u533a\u4e2d\u7684\u5305\u6570\u91cf\u8d85\u8fc7\u4e00\u5b9a\u9608\u503c\u65f6\uff0c\u5c31\u4f1a\u51fa\u73b0\u6ea2\u51fa\u7684\u60c5\u51b5\uff0c\u6b64\u65f6\u5c31\u9700\u8981\u4e22\u5f03\u90e8\u5206\u5305\u6765\u4fdd\u8bc1\u7f51\u7edc\u6d41\u91cf\u7684\u7a33\u5b9a\u6027\u3002\u4f46\u5982\u679c\u7f13\u51b2\u533a\u7684\u5927\u5c0f\u8bbe\u7f6e\u4e0d\u5f53\u6216\u8005\u7f51\u7edc\u6d41\u91cf\u8fc7\u5927\uff0c\u5c31\u5bb9\u6613\u5bfc\u81f4rxdrop\u95ee\u9898\u7684\u51fa\u73b0\u3002<\/p>\n<p>\u5185\u6838\u5904\u7406\u80fd\u529b\u4e0d\u8db3\uff1aLinux\u5185\u6838\u662f\u6574\u4e2a\u7cfb\u7edf\u7684\u6838\u5fc3\uff0c\u5305\u62ec\u4e86\u5404\u79cd\u9a71\u52a8\u7a0b\u5e8f\u3001\u7cfb\u7edf\u8c03\u7528\u548c\u7f51\u7edc\u534f\u8bae\u7b49\u5404\u4e2a\u65b9\u9762\u7684\u529f\u80fd\u3002\u5f53\u5185\u6838\u7684\u5904\u7406\u80fd\u529b\u4e0d\u8db3\u65f6\uff0c\u5c31\u4f1a\u9020\u6210\u7f51\u7edc\u5305\u5728\u63a5\u6536\u548c\u5904\u7406\u8fc7\u7a0b\u4e2d\u7684\u5ef6\u8fdf\u548c\u4e22\u5931\u3002\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u53ef\u4ee5\u901a\u8fc7\u5bf9\u5185\u6838\u53c2\u6570\u8fdb\u884c\u8c03\u6574\u6765\u89e3\u51b3\u95ee\u9898\u3002<\/p>\n<p>2. \u89e3\u51b3\u65b9\u6cd5<\/p>\n<p>\u9488\u5bf9rxdrop\u95ee\u9898\uff0c\u53ef\u4ee5\u91c7\u53d6\u4e0b\u9762\u51e0\u79cd\u65b9\u6cd5\u6765\u89e3\u51b3\uff1a<\/p>\n<p>2.1 \u8c03\u6574\u7f51\u7edc\u63a5\u53e3\u8bbe\u5907\u7684\u7f13\u51b2\u533a\u5927\u5c0f<\/p>\n<p>Linux\u4e2d\u7684\u7f51\u7edc\u63a5\u53e3\u8bbe\u5907\u6709\u4e00\u4e2a\u786c\u4ef6\u7f13\u51b2\u533a\uff08ring buffer\uff09\uff0c\u7528\u6765\u5b58\u50a8\u7f51\u7edc\u5305\u3002\u53ef\u4ee5\u901a\u8fc7\u4fee\u6539\u63a5\u53e3\u8bbe\u5907\u7684\u7f13\u51b2\u533a\u5927\u5c0f\u6765\u51cf\u5c11rxdrop\u95ee\u9898\u7684\u51fa\u73b0\u3002\u53ef\u4ee5\u4f7f\u7528ifconfig\u6216\u8005ethtool\u5de5\u5177\u6765\u8fdb\u884c\u64cd\u4f5c\u3002\u6bd4\u5982\uff0c\u5982\u679c\u9700\u8981\u5c06enp0s3\u7f51\u7edc\u63a5\u53e3\u8bbe\u5907\u7684\u7f13\u51b2\u533a\u5927\u5c0f\u8c03\u6574\u4e3a2023KB\uff0c\u53ef\u4ee5\u6267\u884c\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<p>sudo ifconfig enp0s3 txqueuelen 2023<\/p>\n<p>\u6216<\/p>\n<p>sudo ethtool -G enp0s3 rx 2023<\/p>\n<p>2.2 \u8c03\u6574\u5185\u6838\u53c2\u6570\u6765\u63d0\u5347\u7f51\u7edc\u5904\u7406\u80fd\u529b<\/p>\n<p>Linux\u5185\u6838\u4e2d\u6709\u5f88\u591a\u53c2\u6570\u53ef\u4ee5\u7528\u6765\u63a7\u5236\u7f51\u7edc\u5305\u7684\u63a5\u6536\u548c\u53d1\u9001\u3002\u53ef\u4ee5\u901a\u8fc7\u4fee\u6539\u8fd9\u4e9b\u53c2\u6570\u6765\u63d0\u5347\u5185\u6838\u7684\u7f51\u7edc\u5904\u7406\u80fd\u529b\uff0c\u51cf\u5c11rxdrop\u95ee\u9898\u7684\u51fa\u73b0\u3002\u4ee5\u4e0b\u662f\u51e0\u4e2a\u5e38\u89c1\u7684\u5185\u6838\u53c2\u6570\u8bbe\u7f6e\uff1a<\/p>\n<p>net.core.rmem_max\u3001net.core.wmem_max\uff1a\u8bbe\u7f6e\u5185\u6838\u63a5\u6536\/\u53d1\u9001\u7f13\u51b2\u533a\u7684\u66f4\u5927\u503c\uff08\u5355\u4f4d\u4e3a\u5b57\u8282\uff09\u3002<\/p>\n<p>net.core.rmem_default\u3001net.core.wmem_default\uff1a\u8bbe\u7f6e\u5185\u6838\u63a5\u6536\/\u53d1\u9001\u7f13\u51b2\u533a\u7684\u9ed8\u8ba4\u503c\uff08\u5355\u4f4d\u4e3a\u5b57\u8282\uff09\u3002<\/p>\n<p>net.ipv4.tcp_rmem\u3001net.ipv4.tcp_wmem\uff1a\u8bbe\u7f6eTCP\u534f\u8bae\u63a5\u6536\/\u53d1\u9001\u7f13\u51b2\u533a\u7684\u5927\u5c0f\u3002<\/p>\n<p>\u53ef\u4ee5\u901a\u8fc7\u7f16\u8f91\/etc\/sysctl.conf\u6587\u4ef6\u6765\u4fee\u6539\u8fd9\u4e9b\u53c2\u6570\u3002\u6bd4\u5982\uff0c\u5982\u679c\u60f3\u5c06\u5185\u6838\u63a5\u6536\u7f13\u51b2\u533a\u7684\u66f4\u5927\u503c\u8c03\u6574\u4e3a4MB\uff0c\u53ef\u4ee5\u5728\u8be5\u6587\u4ef6\u4e2d\u52a0\u5165\u4ee5\u4e0b\u5185\u5bb9\uff1a<\/p>\n<p>net.core.rmem_max = 4194304<\/p>\n<p>2.3 \u5347\u7ea7\u9a71\u52a8\u7a0b\u5e8f\u548c\u56fa\u4ef6<\/p>\n<p>\u6709\u4e9brxdrop\u95ee\u9898\u662f\u7531\u4e8e\u9a71\u52a8\u7a0b\u5e8f\u548c\u8bbe\u5907\u56fa\u4ef6\u7248\u672c\u8fc7\u65e7\u800c\u5bfc\u81f4\u7684\u3002\u53ef\u4ee5\u5c1d\u8bd5\u5347\u7ea7\u9a71\u52a8\u7a0b\u5e8f\u548c\u56fa\u4ef6\u6765\u4fee\u590d\u8fd9\u4e9b\u95ee\u9898\uff0c\u4ee5\u63d0\u5347\u8bbe\u5907\u7684\u517c\u5bb9\u6027\u548c\u7a33\u5b9a\u6027\u3002\u53ef\u4ee5\u4ece\u5b98\u65b9\u7f51\u7ad9\u6216\u8005\u66f4\u65b0\u6e90\u4e2d\u83b7\u53d6\u6700\u65b0\u7684\u9a71\u52a8\u7a0b\u5e8f\u548c\u56fa\u4ef6\uff0c\u5e76\u8fdb\u884c\u5b89\u88c5\u548c\u914d\u7f6e\u3002<\/p>\n<p>\u9488\u5bf9\u5176\u4ed6\u7279\u5b9a\u95ee\u9898\uff0c\u4e5f\u53ef\u4ee5\u91c7\u7528\u5176\u4ed6\u65b9\u6cd5\u8fdb\u884c\u4fee\u590d\u3002\u6bd4\u5982\uff0c\u5728VMware\u865a\u62df\u673a\u4e2d\u90e8\u7f72Linux\u7cfb\u7edf\u65f6\u4f1a\u51fa\u73b0rxdrop\u95ee\u9898\uff0c\u53ef\u4ee5\u901a\u8fc7\u914d\u7f6eVMware\u5de5\u5177\u6765\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\u3002\u9700\u8981\u5bf9rxdrop\u95ee\u9898\u8fdb\u884c\u5168\u9762\u7684\u5206\u6790\u548c\u8c03\u67e5\uff0c\u627e\u5230\u672c\u8d28\u539f\u56e0\uff0c\u5e76\u91c7\u53d6\u5408\u9002\u7684\u65b9\u6cd5\u8fdb\u884c\u89e3\u51b3\u3002<\/p>\n<p>3. \u7ed3\u8bba<\/p>\n<p>rxdrop\u95ee\u9898\u662fLinux\u4e2d\u7684\u4e00\u4e2a\u5e38\u89c1\u95ee\u9898\uff0c\u9700\u8981\u5bf9\u7f51\u7edc\u73af\u5883\u8fdb\u884c\u5168\u9762\u8003\u8651\uff0c\u4ece\u786c\u4ef6\u3001\u8f6f\u4ef6\u3001\u5185\u6838\u7b49\u591a\u4e2a\u65b9\u9762\u8fdb\u884c\u4f18\u5316\u548c\u8c03\u6574\u3002\u9488\u5bf9\u4e0d\u540c\u7684\u60c5\u51b5\uff0c\u9700\u8981\u91c7\u53d6\u5408\u9002\u7684\u65b9\u6cd5\u8fdb\u884c\u89e3\u51b3\u3002\u901a\u8fc7\u5168\u9762\u7684\u95ee\u9898\u5206\u6790\u548c\u8c03\u67e5\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u63d0\u9ad8\u7f51\u7edc\u7684\u6027\u80fd\u548c\u6d41\u7545\u5ea6\uff0c\u4fdd\u8bc1\u7cfb\u7edf\u7684\u7a33\u5b9a\u8fd0\u884c\u3002<\/p>\n<p><strong>\u76f8\u5173\u95ee\u9898\u62d3\u5c55\u9605\u8bfb\uff1a<\/strong><\/p>\n<ul>\n<li>Linux\u5e38\u7528\u7f51\u7edc\u914d\u7f6e\u547d\u4ee4<\/li>\n<\/ul>\n<h3>Linux\u5e38\u7528\u7f51\u7edc\u914d\u7f6e\u547d\u4ee4<\/h3>\n<p>\u4e00\u3001\u67e5\u770b\u7f51\u7edc\u914d\u7f6e<\/p>\n<p> \u786e\u4fdd\u7f51\u7edc\u914d\u7f6e\u7684\u6b63\u786e\u6027\u9877\u8304\u53ca\u7f51\u7edc\u8fde\u63a5\u7684\u7545\u901a\u662fLinux\u7cfb\u7edf\u4f5c\u4e3a\u670d\u52a1\u5668\u5e94\u7528\u7684\u57fa\u7840\uff0c\u67e5\u770b\u53ca\u6d4b\u8bd5\u7f51\u7edc\u914d\u7f6e\u662f\u7ba1\u7406Linux\u7f51\u7edc\u535c\u778e\u670d\u52a1\u7684\u4e4b\u4e00\u6b65\u3002<\/p>\n<p> 1.ifconfig\u2014\u2014\u67e5\u770b\u7f51\u7edc\u914d\u7f6e<\/p>\n<p> 1) \u67e5\u770b\u6240\u6709\u6d3b\u52a8\u7f51\u7edc\u63a5\u53e3\u7684\u4fe1\u606f<\/p>\n<p> \u6267\u884c ifconfig \u6216ip addr\u6216ip a\u547d\u4ee4\uff0c\u90fd\u53ef\u4ee5\u663e\u793a\u5f53\u524d\u4e3b\u673a\u4e2d\u5df2\u542f\u7528\uff08\u6d3b\u52a8\uff09\u7684\u7f51\u7edc\u63a5\u53e3\u4fe1\u606f\u3002\u3001<\/p>\n<p> 2) \u67e5\u770b\u6307\u5b9a\u7f51\u7edc\u63a5\u53e3\u4fe1\u606f<\/p>\n<p> \u683c\u5f0f\uff1aifconfig \u7f51\u7edc\u63a5\u53e3\u540d<\/p>\n<p> \u53ef\u4ee5\u901a\u8fc7TX\u3001RX\u7b49\u4fe1\u606f\u4e86\u89e3\u5230\u901a\u8fc7\u8be5\u7f51\u7edc\u63a5\u53e3\u53d1\u9001\u548c\u63a5\u6536\u7684\u6570\u636e\u5305\u4e2a\u6570\uff0c\u6d41\u91cf\u7b49\u8ddf\u591a\u5c5e\u6027\u3002<\/p>\n<p> 2.hostname\u547d\u4ee4<\/p>\n<p> \u5728Linux\u7cfb\u7edf\u4e2d\uff0c\u76f8\u5f53\u4e00\u90e8\u5206\u7f51\u7edc\u670d\u52a1\u90fd\u4f1a\u901a\u8fc7\u4e3b\u673a\u540d\u6765\u8bc6\u522b\u672c\u673a\uff0c\u5982\u679c\u4e3b\u673a\u540d\u914d\u7f6e\u4e0d\u5f53\uff0c\u53ef\u80fd\u4f1a\u5bfc\u81f4\u7a0b\u5e8f\u529f\u80fd\u51fa\u73b0\u6545\u969c\u3002<\/p>\n<p> 1) \u67e5\u770b\u4e3b\u673a\u540d<\/p>\n<p> \u4f7f\u7528hostname\u547d\u4ee4\u5c31\u53ef\u4ee5\u67e5\u770b\u5f53\u524d\u4e3b\u673a\u7684\u4e3b\u673a\u540d\uff0c\u4e0d\u6dfb\u52a0\u4efb\u4f55\u9009\u9879\u53c2\u6570\u3002<\/p>\n<p> 2) \u4e34\u65f6\u66f4\u6539\u4e3b\u673a\u540d<\/p>\n<p> hostname NewName<\/p>\n<p> \u6ce8\uff1a\u8fd9\u79cd\u65b9\u6cd5\u53ea\u662f\u4e34\u65f6\u7684\u66f4\u6539\u4e3b\u673a\u540d\uff0c\u91cd\u542f\u540e\u5c06\u5931\u6548\u3002<\/p>\n<p> 3) \u6c38\u4e45\u66f4\u6539\u4e3b\u673a\u540d<\/p>\n<p> a. \u4fee\u6539\u914d\u7f6e\u6587\u4ef6<\/p>\n<p> RHEL6\u548c7\u7684\u914d\u7f6e\u6587\u4ef6\u5b58\u653e\u8def\u5f84\u4e0d\u76f8\u540c\uff0c\u4fee\u6539\u914d\u7f6e\u6587\u4ef6\u4e2d\u7684\u4e3b\u673a\u540d\uff0c\u91cd\u542f\u5c31\u53ef\u6c38\u4e45\u66f4\u6539\u4e3b\u673a\u540d\u3002<\/p>\n<p> RHEL6\u4e3b\u673a\u540d\u914d\u7f6e\u6587\u4ef6\u8def\u5f84\u4e3a\uff1a\/etc\/sysconfig\/network<\/p>\n<p> RHEL7\u4e3b\u673a\u540d\u914d\u7f6e\u6587\u4ef6\u8def\u5f84\u4e3a\uff1a\/etc\/hostname<\/p>\n<p> \u793a\u4f8b<\/p>\n<\/p>\n<p> b. \u4f7f\u7528\u547d\u4ee4\u4fee\u6539\uff08\u8fd9\u79cd\u65b9\u6cd5\u53ea\u9002\u7528\u4e8eRHEL7\u6216\u8005CentOS7\u4e4b\u540e\uff09<\/p>\n<p> \u547d\u4ee4\u683c\u5f0f\uff1a<\/p>\n<\/p>\n<p> \u4f7f\u7528\u8be5\u547d\u4ee4\u66f4\u6539\u540e\uff0c\u66f4\u6539\u540e\u7684\u4e3b\u673a\u540d\u5c31\u81ea\u52a8\u5199\u5165\u4e86\u914d\u7f6e\u6587\u4ef6\u4e2d\uff0c\u6240\u4ee5\u53ef\u4ee5\u6c38\u4e45\u66f4\u6539\u4e3b\u673a\u540d\uff0c\u5176\u5b9e\u5c31\u662f\u4fee\u6539\u4e86\u914d\u7f6e\u6587\u4ef6\u3002<\/p>\n<p> 3.route\u547d\u4ee4<\/p>\n<p> \u76f4\u63a5\u6267\u884croute\u547d\u4ee4\u53ef\u4ee5\u67e5\u770b\u5f53\u524d\u4e3b\u673a\u4e2d\u7684\u8def\u7531\u8868\u4fe1\u606f\uff0c\u82e5\u7ed3\u5408\u201c-n\u201d\u9009\u9879\u4f7f\u7528\uff0c\u53ef\u4ee5\u5c06\u8def\u7531\u8bb0\u5f55\u4e2d\u7684\u5730\u5740\u663e\u793a\u4e3a\u6570\u5b57\u5f62\u5f0f\uff0c\u8fd9\u53ef\u4ee5\u8df3\u8fc7\u89e3\u6790\u4e3b\u673a\u540d\u7684\u8fc7\u7a0b\uff0c\u5728\u8def\u7531\u8868\u6761\u76ee\u8f83\u591a\u7684\u60c5\u51b5\u4e0b\u80fd\u591f\u52a0\u5feb\u6267\u884c\u901f\u5ea6\u3002<\/p>\n<p>Destination\u5217\u5bf9\u5e94\u7684\u662f\u76ee\u6807\u7f51\u6bb5\u7684\u5730\u5740\uff0cGateway\u5217\u5bf9\u5e94\u7684\u662f\u5413\u4e00\u8df3\u8def\u7531\u5668\u7684\u5730\u5740\uff0cIface\u5217\u5bf9\u5e94\u7684\u662f\u53d1\u9001\u6570\u636e\u7684\u7f51\u7edc\u63a5\u53e3\u3002\u5f53\u76ee\u6807\u7f51\u6bb5\u4e3a\u201cdefault\u201d\u662f\uff0c\u8868\u793a\u6b64\u884c\u662f\u9ed8\u8ba4\u7f51\u5173\u8bb0\u5f55\uff0c\u5f53\u5413\u4e00\u8df3\u4e3a\u201c*\u201d\u662f\uff0c\u8868\u793a\u76ee\u6807\u7f51\u6bb5\u662f\u4e0e\u672c\u673a\u76f4\u63a5\u76f8\u8fde\u7684\u3002<\/p>\n<p> 4.netstat\u547d\u4ee4\u2014\u2014\u67e5\u770b\u7cfb\u7edf\u7684\u7f51\u7edc\u8fde\u63a5\u72b6\u6001\u7b49<\/p>\n<p> netstat\u547d\u4ee4\u662f\u4e86\u89e3\u7f51\u7edc\u72b6\u6001\u53ca\u6392\u9664\u7f51\u7edc\u670d\u52a1\u6545\u969c\u7684\u6709\u6548\u5de5\u5177\u3002<\/p>\n<p> \u5e38\u7528\u9009\u9879:<\/p>\n<p> -a\uff1a\u663e\u793a\u6240\u6709\u6d3b\u52a8\u8fde\u63a5\uff08\u5305\u62ec\u76d1\u542c\u3001\u975e\u76d1\u542c\u72b6\u6001\u7684\u670d\u52a1\u7aef\u53e3\uff09<\/p>\n<p> -n\uff1a\u4ee5\u6570\u5b57\u5f62\u5f0f\u663e\u793a<\/p>\n<p> -p\uff1a\u663e\u793a\u76f8\u5173\u7684\u8fdb\u7a0b\u4fe1\u606f<\/p>\n<p> -t\uff1a\u67e5\u770b TCP \u534f\u8bae\u76f8\u5173\u4fe1\u606f<\/p>\n<p> -u\uff1a\u67e5\u770bUDP\u534f\u8bae\u76f8\u5173\u4fe1\u606f<\/p>\n<p> -r\uff1a\u663e\u793a\u8def\u7531\u8868\u4fe1\u606f<\/p>\n<p> -l\uff1a\u663e\u793a\u5904\u4e8e\u76d1\u542c\uff08listening\uff09\u72b6\u6001\u7684\u7f51\u7edc\u8fde\u63a5\u53ca\u7aef\u53e3\u4fe1\u606f<\/p>\n<p> \u901a\u5e38\u4f7f\u7528\u201c-anput\u201d\u7ec4\u5408\u9009\u9879\uff0c\u7ed3\u5408\u7ba1\u9053\u4f7f\u7528\u201cgrep\u201d\u547d\u4ee4\uff0c\u6765\u67e5\u770b\u4e00\u4e9b\u670d\u52a1\u7684\u7aef\u53e3\u662f\u5426\u5f00\u542f\u3002<\/p>\n<p> \u793a\u4f8b\uff1a<\/p>\n<p> Tcp21\u4e3aftp\u670d\u52a1\u7684\u7aef\u53e3<\/p>\n<p> \u4e8c\u3001\u6d4b\u8bd5\u7f51\u7edc\u8fde\u63a5<\/p>\n<p> 1.ping\u547d\u4ee4\u2014\u2014\u6d4b\u8bd5\u7f51\u7edc\u8fde\u901a\u6027<\/p>\n<p> \u5e38\u7528\u9009\u9879:<\/p>\n<p> -c\uff1a\u8bbe\u7f6e\u5b8c\u6210\u8981\u6c42\u56de\u5e94\u7684\u6b21\u6570<\/p>\n<p> -i\uff1a\u6307\u5b9a\u6536\u53d1\u4fe1\u606f\u7684\u95f4\u9694\u65f6\u95f4<\/p>\n<p> -q\uff1a\u4e0d\u663e\u793a\u6307\u4ee4\u6267\u884c\u8fc7\u7a0b\uff0c\u5f00\u5934\u548c\u7ed3\u5c3e\u7684\u76f8\u5173\u4fe1\u606f\u9664\u5916<\/p>\n<p> -s\uff1a\u8bbe\u7f6e\u6570\u636e\u5305\u7684\u5927\u5c0f<\/p>\n<p> -t\uff1a\u8bbe\u7f6e\u5b58\u6d3b\u6570\u503cTTL\u7684\u5927\u5c0f<\/p>\n<p> -v\uff1a\u8be6\u7ec6\u663e\u793a\u6307\u4ee4\u7684\u6267\u884c\u8fc7\u7a0b<\/p>\n<p>\u82e5\u8fd4\u56de\u201cDestination Host Unreachable\u201d\u7684\u53cd\u9988\u4fe1\u606f\uff0c\u5219\u8868\u793a\u76ee\u6807\u4e3b\u673a\u4e0d\u53ef\u8fbe\uff0c\u53ef\u80fd\u76ee\u6807\u5730\u5740\u4e0d\u5b58\u5728\u6216\u4e3b\u673a\u5df2\u5173\u95ed\uff1b\u8fd4\u56de\u201cNetwork is unreachable\u201d\u7684\u53cd\u9988\u4fe1\u606f\uff0c\u5219\u8868\u793a\u6ca1\u6709\u53ef\u7528\u7684\u8def\u7531\u8bb0\u5f55\uff08\u5982\u9ed8\u8ba4\u7f51\u5173\uff09\uff0c\u65e0\u6cd5\u5230\u8fbe\u76ee\u6807\u4e3b\u673a\u6240\u5728\u7684\u7f51\u7edc\uff1b\u8fd4\u56de\u201cRequest timeout\u201d\u7684\u53cd\u9988\u4fe1\u606f\uff0c\u8868\u793a\u4e0e\u76ee\u6807\u4e3b\u673a\u95f4\u7684\u8fde\u63a5\u8d85\u65f6\uff08\u6570\u636e\u5305\u7f13\u6162\u6216\u4e22\u5931\uff09\uff0c\u82e5\u6709\u4e25\u683c\u7684\u9632\u706b\u5899\u9650\u5236\uff0c\u4e5f\u53ef\u80fd\u8fd4\u56de\u6b64\u4fe1\u606f\u3002<\/p>\n<p> 2.traceroute\u547d\u4ee4\u2014\u2014\u8ddf\u8e2a\u6570\u636e\u5305\u7684\u8def\u7531\u9014\u5f84<\/p>\n<p> \u4f7f\u7528traceroute\u547d\u4ee4\u53ef\u4ee5\u6d4b\u8bd5\u4ece\u5f53\u524d\u4e3b\u673a\u5230\u76ee\u7684\u4e3b\u673a\u4e4b\u95f4\u7ecf\u8fc7\u7684\u7f51\u7edc\u8282\u70b9\uff0c\u5e76\u663e\u793a\u5404\u4e2d\u95f4\u7ed3\u70b9\u7684\u8fde\u63a5\u72b6\u6001\uff08\u54cd\u5e94\u65f6\u95f4\uff09\u3002\u5bf9\u4e8e\u65e0\u6cd5\u54cd\u5e94\u7684\u578b\u4e4e\u7a7a\u8282\u70b9\uff0c\u8fde\u63a5\u72b6\u6001\u5c06\u663e\u793a\u4e3a\u201c*\u201d\u3002<\/p>\n<p> \u793a\u4f8b\uff1atraceroute IP_ADDR<\/p>\n<p> \u5728\u7f51\u7edc\u6d4b\u8bd5\u4e0e\u6392\u9519\u7684\u8fc7\u7a0b\u4e2d\uff0c\u901a\u5e38\u4f1a\u5148\u4f7f\u7528ping\u547d\u4ee4\u6d4b\u8bd5\u4e0e\u4e3b\u673a\u7684\u7f51\u7edc\u8fde\u63a5\uff0c\u5982\u679c\u53d1\u73b0\u7f51\u7edc\u6709\u6545\u969c\uff0c\u518d\u4f7f\u7528traceroute\u547d\u4ee4\u8ddf\u8e2a\u67e5\u770b\u662f\u5728\u54ea\u4e2a\u4e2d\u95f4\u7ed3\u70b9\u5b58\u5728\u6545\u969c\u3002<\/p>\n<p> 3.nslookup\u547d\u4ee4\u2014\u2014\u6d4b\u8bd5DNS\u57df\u540d\u89e3\u6790<\/p>\n<p> nslookup\u662f\u7528\u6765\u6d4b\u8bd5\uff08DNS\uff09\u57df\u540d\u89e3\u6790\u7684\u4e13\u7528\u5de5\u5177\u3002\uff08DNS\u670d\u52a1\u540e\u9762\u518d\u8be6\u7ec6\u8bb2\u89e3\uff0c\u901a\u4fd7\u7684\u8bf4\u5c31\u662f\u5c06\u57df\u540d\u89e3\u6790\u4e3aip\u5730\u5740\u7684\u4e00\u4e2a\u670d\u52a1\uff09<\/p>\n<p> \u793a\u4f8b\uff1anslookup <\/p>\n<p>www.baidu.com<\/p>\n<p> \u82e5\u6210\u529f\u53cd\u9988\u8981\u67e5\u8be2\u57df\u540d\u7684IP\u5730\u5740\uff0c\u5219\u8868\u793a\u57df\u540d\u89e3\u6790\u6ca1\u6709\u95ee\u9898\uff1b\u82e5\u51fa\u73b0\u201c\u2026\u2026 no servers could be reached\u201d\u7684\u4fe1\u606f\uff0c\u8868\u793a\u4e0d\u80fd\u8fde\u63a5\u5230\u6307\u5b9a\u7684DNS\u670d\u52a1\u5668\uff1b\u82e5\u51fa\u73b0\u201c\u2026\u2026 cant\u2019t find xxx.yyy.zzz:NXDOMAIN\u201d\u7684\u4fe1\u606f\uff0c\u8868\u793a\u8981\u67e5\u8be2\u7684\u57df\u540d\u4e0d\u5b58\u5728\u3002<\/p>\n<p> \u4e09\u3001\u8bbe\u7f6e\u7f51\u7edc\u5730\u5740\u53c2\u6570<\/p>\n<p> \u8bbe\u7f6e\u7f51\u7edc\u53c2\u6570\u7684\u65b9\u6cd5\uff1a<\/p>\n<p> \u2022 \u4e34\u65f6\u914d\u7f6e \u2014\u2014 \u4f7f\u7528\u547d\u4ee4\u8c03\u6574\u7f51\u7edc\u53c2\u6570\u7b80\u5355\u3001\u5feb\u901f\uff0c\u53ef\u76f4\u63a5\u4fee\u6539\u8fd0\u884c\u4e2d\u7684\u7f51\u7edc\u53c2\u6570<\/p>\n<p> \u4e00\u822c\u53ea\u9002\u5408\u5728\u8c03\u8bd5\u7f51\u7edc\u7684\u8fc7\u7a0b\u4e2d\u4f7f\u7528<\/p>\n<p> \u7cfb\u7edf\u91cd\u542f\u4ee5\u540e\uff0c\u6240\u505a\u7684\u4fee\u6539\u5c06\u4f1a\u5931\u6548<\/p>\n<p> \u2022 \u6c38\u4e45\u914d\u7f6e \u2014\u2014 \u901a\u8fc7\u914d\u7f6e\u6587\u4ef6\u4fee\u6539\u7f51\u7edc\u53c2\u6570\u4fee\u6539\u5404\u9879\u7f51\u7edc\u53c2\u6570\u7684\u914d\u7f6e\u6587\u4ef6<\/p>\n<p> \u9002\u5408\u5bf9\u670d\u52a1\u5668\u8bbe\u7f6e\u56fa\u5b9a\u53c2\u6570\u65f6\u4f7f\u7528<\/p>\n<p> \u9700\u8981\u91cd\u8f7d\u7f51\u7edc\u670d\u52a1\u6216\u8005\u91cd\u542f\u4ee5\u540e\u624d\u4f1a\u751f\u6548<\/p>\n<p> 1.\u4e34\u65f6\u914d\u7f6e\u2014\u2014\u4f7f\u7528\u7f51\u7edc\u914d\u7f6e\u547d\u4ee4\uff08\u6ce8\uff1aRHEL6\u4e2d\u7f51\u7edc\u63a5\u53e3\u7684\u540d\u79f0\u4e3aeth\uff0cRHEL7\u4e2d\u4e3aens\uff09<\/p>\n<p> 1\uff09\u4f7f\u7528ifconfig\u547d\u4ee4\u4fee\u6539\u7f51\u5361\u7684\u5730\u5740\u3001\u72b6\u6001<\/p>\n<p> ifconfig\u547d\u4ee4\u4e0d\u4ec5\u53ef\u4ee5\u7528\u4e8e\u67e5\u770b\u7f51\u5361\u914d\u7f6e\uff0c\u8fd8\u53ef\u4ee5\u4fee\u6539\u7f51\u5361\u7684ip\u5730\u5740\uff0c\u5b50\u7f51\u63a9\u7801\uff0c\u4e5f\u53ef\u4ee5\u7ed1\u5b9a\u7f51\u7edc\u63a5\u53e3\u3001\u6fc0\u6d3b\u6216\u505c\u7528\u7f51\u7edc\u63a5\u53e3<\/p>\n<p> a. \u4fee\u6539\u7f51\u5361\u7684ip\u5730\u5740\uff08\u4e34\u65f6\u4fee\u6539\uff09<\/p>\n<p> \u547d\u4ee4\u683c\u5f0f\uff1a<\/p>\n<\/p>\n<p> \u793a\u4f8b\uff1a<\/p>\n<\/p>\n<p> b. \u7981\u7528\u6216\u8005\u91cd\u65b0\u6fc0\u6d3b\u7f51\u5361<\/p>\n<p> \u547d\u4ee4\u683c\u5f0f\uff1a<\/p>\n<\/p>\n<p> \u793a\u4f8b\uff1a<\/p>\n<\/p>\n<p> c. \u8bbe\u7f6e\u865a\u62df\u7f51\u7edc\u63a5\u53e3\uff08\u76f8\u5f53\u4e8e\u4e00\u5757\u7f51\u5361\u914d\u7f6e\u591a\u4e2aIP\u5730\u5740\uff09<\/p>\n<p> \u547d\u4ee4\u683c\u5f0f\uff1a<\/p>\n<\/p>\n<p> \u793a\u4f8b\uff1a<\/p>\n<\/p>\n<p> \u53ef\u4ee5\u6839\u636e\u9700\u8981\u6dfb\u52a0\u66f4\u591a\u7684\u865a\u62df\u63a5\u53e3\uff0c\u5982\u201ceth0:1\u201d\u201ceth0:2\u201d\u7b49<\/p>\n<p> 2\uff09\u4f7f\u7528route\u547d\u4ee4\u6dfb\u52a0\u3001\u5220\u9664\u9759\u6001\u8def\u7531\u8bb0\u5f55<\/p>\n<p> \u2022 \u5220\u9664\u8def\u7531\u8868\u4e2d\u7684\u9ed8\u8ba4\u7f51\u5173\u8bb0\u5f55\u547d\u4ee4\u683c\u5f0f\uff1aroute del default gw IP\u5730\u5740<\/p>\n<p> \u2022 \u5411\u8def\u7531\u8868\u4e2d\u6dfb\u52a0\u9ed8\u8ba4\u7f51\u5173\u8bb0\u5f55\u547d\u4ee4\u683c\u5f0f\uff1aroute add default gw IP\u5730\u5740<\/p>\n<p> \u2022 \u6dfb\u52a0\u5230\u6307\u5b9a\u7f51\u6bb5\u7684\u8def\u7531\u8bb0\u5f55\u547d\u4ee4\u683c\u5f0f\uff1aroute add -net \u7f51\u6bb5\u5730\u5740 gw IP\u5730\u5740<\/p>\n<p> \u2022 \u5220\u9664\u5230\u6307\u5b9a\u7f51\u6bb5\u7684\u8def\u7531\u8bb0\u5f55\u547d\u4ee4\u683c\u5f0f\uff1arouter del -net \u7f51\u6bb5\u5730\u5740<\/p>\n<p> 2.\u6c38\u4e45\u914d\u7f6e\u2014\u2014\u4fee\u6539\u7f51\u7edc\u914d\u7f6e\u6587\u4ef6<\/p>\n<p> 1\uff09\u7f51\u7edc\u63a5\u53e3\u914d\u7f6e\u6587\u4ef6<\/p>\n<p> \u7f51\u7edc\u63a5\u53e3\u7684\u914d\u7f6e\u6587\u4ef6\u9ed8\u8ba4\u4f4d\u4e8e\u76ee\u5f55\u201c\/etc\/sysconfig\/network-scripts\/\u201d\u4e2d\uff0c\u6587\u4ef6\u540d\u683c\u5f0f\u4e3a\uff1a\u201cifcfg-XXX\u201d\uff0c\u5176\u4e2d\u201cXXX\u201d\u662f\u7f51\u7edc\u63a5\u53e3\u7684\u540d\u79f0\u3002\u4f8b\u5982\uff1aRHEL6\u4e2d\u7f51\u5361eth0\u7684\u914d\u7f6e\u6587\u4ef6\u662f\u201cifcfg-eth0\u201d\uff0c\u800cRHEL7\u4e2d\u7f51\u5361ens33\u7684\u914d\u7f6e\u6587\u4ef6\u662f\u201cifcfg-ens33\u201d\u3002<\/p>\n<p> \u5728\u7f51\u5361\u7684\u914d\u7f6e\u6587\u4ef6\u4e2d\uff0c\u53ef\u4ee5\u770b\u5230\u9759\u6001IP\u5730\u5740\u7684\u90e8\u5206\u5185\u5bb9\u5982\u4e0b\u56fe\u6240\u793a\uff1a<\/p>\n<\/p>\n<p> \u4e0a\u8ff0\u4e2a\u914d\u7f6e\u9879\u7684\u542b\u4e49\u53ca\u4f5c\u7528\uff1a\uff08\u56fe\u793a\u4e3aRHEL6\u4e2d\u7684\u914d\u7f6e\u6587\u4ef6\uff0c7\u4e2d\u4e5f\u5dee\u4e0d\u591a\uff0c\u6362\u6c64\u4e0d\u6362\u836f\uff0c\u4fee\u6539\u7684\u90fd\u5dee\u4e0d\u591a\uff09<\/p>\n<p> \u2022 DEVICE\uff1a\u8bbe\u7f6e\u7f51\u7edc\u63a5\u53e3\u7684\u540d\u79f0ONBOOT\uff1a\u8bbe\u7f6e\u7f51\u7edc\u63a5\u53e3\u662f\u5426\u5728Linux\u7cfb\u7edf\u542f\u52a8\u65f6\u6fc0\u6d3bBOOTPROTO\uff1a\u8bbe\u7f6e\u7f51\u7edc\u63a5\u53e3\u7684\u914d\u7f6e\u65b9\u5f0f\uff0c\u503c\u4e3astatic\u65f6\u8868\u793a\u4f7f\u7528\u9759\u6001ip\u5730\u5740\uff0c\u4e3adhcp\u65f6\u8868\u793a\u901a\u8fc7dhcp\u7684\u65b9\u5f0f\u52a8\u6001\u83b7\u53d6ip\u5730\u5740IPADDR\uff1a\u8bbe\u7f6e\u7f51\u7edc\u63a5\u53e3\u7684ip\u5730\u5740NETMASK\uff1a\u8bbe\u7f6e\u7f51\u7edc\u63a5\u53e3\u7684\u5b50\u7f51\u63a9\u7801GATEWAY\uff1a\u8bbe\u7f6e\u7f51\u7edc\u63a5\u53e3\u7684\u9ed8\u8ba4\u7f51\u5173\u5730\u57402\uff09\u91cd\u542f network \u7f51\u7edc\u670d\u52a1<\/p>\n<p> \u5f53\u4fee\u6539\u4e86\u7f51\u7edc\u63a5\u53e3\u7684\u914d\u7f6e\u6587\u4ef6\u4ee5\u540e\uff0c\u82e5\u8981\u4f7f\u65b0\u7684\u914d\u7f6e\u751f\u6548\uff0c\u53ef\u4ee5\u91cd\u542fnetwork\u670d\u52a1\u6216\u8005\u91cd\u542f\u4e3b\u673a\u6216\u8005\u7981\u7528\u3001\u542f\u7528\u7f51\u7edc\u63a5\u53e3\u3002<\/p>\n<p> \u793a\u4f8b\uff1a<\/p>\n<\/p>\n<p> \u2022 RHEL6\u4e2d\u91cd\u542fnetwork\u670d\u52a1\uff1aservice network restartRHEL7\u4e2d\u91cd\u542fnetwork\u670d\u52a1\uff1asystemctl restart network\u6ce8\uff1a\u8fd9\u662f\u6211\u5728\u505a\u5b9e\u9a8c\u65f6\u5019\u7684\u4e00\u4e2a\u7ecf\u9a8c\uff1aRHEL6\u4fee\u6539\u5b8c\u7f51\u5361\u914d\u7f6e\u91cd\u542f\u540e\uff0cip\u5730\u5740\u4ecd\u7136\u6ca1\u6709\u6539\u8fc7\u6765\uff0c\u8fd9\u65f6\u5019\u6211\u4eec\u7ecf\u5e38\u4f1a\u5220\u9664\u201c\/etc\/udev\/rules.d\/70-persistent-net.rules\u201d\u8fd9\u4e2a\u6587\u4ef6\u3002RHEL7\u4e0d\u7528\u7ba1\uff0cRHEL7\u7279\u522b\u597d\u6539\uff0cRHEL6\u6539\u7684\u65f6\u5019\u7279\u522b\u96be\u53d7\u3002\uff08\u4e2a\u4eba\u63d0\u793a\uff0c\u4e0d\u6c42\u8ba4\u540c\uff09<\/p>\n<p> 3\uff09\u57df\u540d\u89e3\u6790\u914d\u7f6e\u6587\u4ef6<\/p>\n<p> a.\u6307\u5b9a\u4e3a\u672c\u673a\u63d0\u4f9bDNS\u89e3\u6790\u7684\u670d\u52a1\u5668\u5730\u5740<\/p>\n<p> \/etc\/resolv.conf\u6587\u4ef6\u4e2d\u8bb0\u5f55\u4e86\u672c\u673a\u9ed8\u8ba4\u4f7f\u7528\u7684DNS\u670d\u52a1\u5668\u7684\u5730\u5740\u4fe1\u606f\uff0c\u5bf9\u8be5\u6587\u4ef6\u6240\u505a\u7684\u4fee\u6539\u5c06\u4f1a\u7acb\u523b\u751f\u6548\u3002Linux\u7cfb\u7edf\u4e2d\u6700\u591a\u53ef\u4ee5\u6307\u5b9a3\u4e2a\uff08\u7b2c3\u4e2a\u4ee5\u540e\u5c06\u88ab\u5ffd\u7565\uff09\u4e0d\u540c\u7684DNS\u670d\u52a1\u5668\u5730\u5740\uff0c\u4f18\u5148\u4f7f\u7528\u7b2c1\u4e2aDNS\u670d\u52a1\u5668\u3002<\/p>\n<p> \u793a\u4f8b\uff1a<\/p>\n<\/p>\n<p> \u5176\u4e2d\u201csearch localdomain\u201d\u7528\u6765\u8bbe\u7f6e\u9ed8\u8ba4\u7684\u641c\u7d22\u57df\uff08\u57df\u540d\u540e\u7f00\uff09\u3002\u4f8b\u5982\uff0c\u5f53\u8bbf\u95ee\u4e3b\u673a\u201clocalhost\u201d\u65f6\uff0c\u5c31\u76f8\u5f53\u4e8e\u8bbf\u95ee\u201clocalhost.localdomain\u201d\u3002<\/p>\n<p> b.\u672c\u5730\u4e3b\u673a\u6620\u5c04\u6587\u4ef6<\/p>\n<p> \/etc\/hosts\u6587\u4ef6\u4e2d\u8bb0\u5f55\u7740\u4e00\u4efd\u4e3b\u673a\u540d\u4e0eip\u5730\u5740\u7684\u6620\u5c04\u5173\u7cfb\u8868\uff0c\u4e00\u822c\u7528\u6765\u4fdd\u5b58\u7ecf\u5e38\u8bbf\u95ee\u7684\u4e3b\u673a\u4fe1\u606f\u3002\u5f53\u8bbf\u95ee\u4e00\u4e2a\u672a\u77e5\u7684\u57df\u540d\u65f6\uff0c\u5148\u67e5\u627e\u8be5\u6587\u4ef6\u4e2d\u662f\u5426\u6709\u76f8\u5e94\u7684\u6620\u5c04\u8bb0\u5f55\uff0c\u5982\u679c\u627e\u4e0d\u5230\u5728\u53bb\u5411DNS\u670d\u52a1\u5668\u67e5\u8be2\u3002<\/p>\n<p> hosts \u6587\u4ef6\u548c DNS \u670d\u52a1\u5668\u7684\u6bd4\u8f83<\/p>\n<p> \u2022 \u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u7cfb\u7edf\u9996\u5148\u4ece hosts \u6587\u4ef6\u67e5\u627e\u89e3\u6790\u8bb0\u5f55hosts \u6587\u4ef6\u53ea\u5bf9\u5f53\u524d\u7684\u4e3b\u673a\u6709\u6548hosts \u6587\u4ef6\u53ef\u51cf\u5c11 DNS \u67e5\u8be2\u8fc7\u7a0b\uff0c\u4ece\u800c\u52a0\u5feb\u8bbf\u95ee\u901f\u5ea6<\/p>\n<p>\u5173\u4e8elinux 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\/>\u540e\u6d6a\u4e91\uff08www.IDC.Net\uff09\u63d0\u4f9b\u7b80\u5355\u597d\u7528\uff0c\u4ef7\u683c\u539a\u9053\u7684\u9999\u6e2f\/\u7f8e\u56fd\u4e91\u670d\u52a1\u5668\u548c\u72ec\u7acb\u670d\u52a1\u5668\u3002IDC+ISP+ICP\u8d44\u8d28\u3002ARIN\u548cAPNIC\u4f1a\u5458\u3002\u6210\u719f\u6280\u672f\u56e2\u961f15\u5e74\u884c\u4e1a\u7ecf\u9a8c\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Linux\u662f\u4e00\u79cd\u6d41\u884c\u7684\u5f00\u6e90\u64cd\u4f5c\u7cfb\u7edf\uff0c\u88ab\u5e7f\u6cdb\u5e94\u7528\u4e8e\u670d\u52a1\u5668\u3001\u7f51\u5173\u3001\u8def\u7531\u5668\u7b49\u5404\u79cd\u7f51\u7edc\u8bbe\u5907\u3002\u5728Linux\u4e2d\uff0c\u7f51\u7edc\u5305\u7684\u63a5 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[34],"tags":[],"class_list":["post-151831","post","type-post","status-publish","format-standard","hentry","category-linux"],"_links":{"self":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts\/151831","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=151831"}],"version-history":[{"count":0,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts\/151831\/revisions"}],"wp:attachment":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/media?parent=151831"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/categories?post=151831"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/tags?post=151831"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}