{"id":198977,"date":"2025-04-30T14:47:36","date_gmt":"2025-04-30T06:47:36","guid":{"rendered":"https:\/\/server.hk\/cnblog\/?p=198977"},"modified":"2025-04-30T14:47:36","modified_gmt":"2025-04-30T06:47:36","slug":"linux%e4%b8%adtail%e5%91%bd%e4%bb%a4%e7%9a%84%e5%ae%9e%e7%94%a8%e6%8a%80%e5%b7%a7%e4%b8%8e%e9%a6%99%e6%b8%af%e6%9c%8d%e5%8a%a1%e5%99%a8%e9%83%a8%e7%bd%b2%e5%bb%ba%e8%ae%ae","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/198977\/","title":{"rendered":"Linux\u4e2dtail\u547d\u4ee4\u7684\u5b9e\u7528\u6280\u5de7\u4e0e\u9999\u6e2f\u670d\u52a1\u5668\u90e8\u7f72\u5efa\u8bae"},"content":{"rendered":"<p>\u5728\u65e5\u5e38\u7684Linux\u670d\u52a1\u5668\u8fd0\u7ef4\u4e2d\uff0ctail\u547d\u4ee4\u4ee5\u5176\u8f7b\u91cf\u3001\u9ad8\u6548\u3001\u5b9e\u65f6\u7684\u7279\u6027\uff0c\u88ab\u5e7f\u6cdb\u7528\u4e8e\u65e5\u5fd7\u6587\u4ef6\u7684\u67e5\u770b\u4e0e\u6545\u969c\u6392\u67e5\u3002\u5c24\u5176\u662f\u5728\u8fdb\u884c\u7f51\u7ad9\u90e8\u7f72\u3001\u5e94\u7528\u76d1\u63a7\u6216\u5b89\u5168\u5ba1\u8ba1\u7b49\u64cd\u4f5c\u65f6\uff0ctail\u547d\u4ee4\u80fd\u591f\u5feb\u901f\u5b9a\u4f4d\u95ee\u9898\uff0c\u5e2e\u52a9\u6280\u672f\u4eba\u5458\u63d0\u9ad8\u8fd0\u7ef4\u6548\u7387\u3002\u672c\u6587\u5c06\u4ecb\u7ecdtail\u547d\u4ee4\u7684\u5de5\u4f5c\u673a\u5236\u3001\u5e38\u89c1\u7528\u6cd5\u53ca\u5176\u5728\u670d\u52a1\u5668\u73af\u5883\u4e2d\u7684\u6700\u4f73\u5b9e\u8df5\uff0c\u5e76\u63a8\u8350\u5728<strong>\u9999\u6e2fVPS<\/strong>\u6216<strong>\u9999\u6e2f\u4e91\u670d\u52a1\u5668<\/strong>\u4e2d\u90e8\u7f72\u76f8\u5173\u670d\u52a1\u4ee5\u83b7\u5f97\u66f4\u4f73\u6027\u80fd\u4e0e\u7a33\u5b9a\u6027\u3002<\/p>\n<hr \/>\n<h2>\u4e00\u3001tail\u547d\u4ee4\u6982\u8ff0<\/h2>\n<p><code>tail<\/code>\u662fLinux\u7cfb\u7edf\u4e2d\u7528\u4e8e\u8f93\u51fa\u6587\u4ef6\u201c\u672b\u5c3e\u5185\u5bb9\u201d\u7684\u547d\u4ee4\uff0c\u5e38\u88ab\u7528\u4e8e\u67e5\u770b\u65e5\u5fd7\u6587\u4ef6\u7684\u6700\u65b0\u53d8\u52a8\u3002\u8be5\u547d\u4ee4\u9ed8\u8ba4\u8f93\u51fa\u76ee\u6807\u6587\u4ef6\u7684\u6700\u540e10\u884c\uff0c\u4e5f\u53ef\u901a\u8fc7\u53c2\u6570\u81ea\u5b9a\u4e49\u663e\u793a\u7684\u884c\u6570\u3002\u4ee5\u4e0b\u662f\u57fa\u7840\u7528\u6cd5\uff1a<\/p>\n<pre><code class=\"language-bash\">tail test.log        # \u67e5\u770b\u6700\u540e10\u884c\r\ntail -n 20 test.log  # \u67e5\u770b\u6700\u540e20\u884c\r\n<\/code><\/pre>\n<p>\u5982\u679c\u5e0c\u671b\u5b9e\u65f6\u76d1\u63a7\u6587\u4ef6\u5185\u5bb9\u7684\u65b0\u589e\uff08\u4f8b\u5982Web\u670d\u52a1\u5668\u65e5\u5fd7\uff09\uff0c\u53ef\u4ee5\u4f7f\u7528<code>-f<\/code>\u53c2\u6570\uff1a<\/p>\n<pre><code class=\"language-bash\">tail -f \/var\/log\/nginx\/access.log\r\n<\/code><\/pre>\n<p>\u6b64\u547d\u4ee4\u4f1a\u6301\u7eed\u8f93\u51fa\u6587\u4ef6\u6700\u65b0\u5185\u5bb9\uff0c\u975e\u5e38\u9002\u5408\u76d1\u63a7\u5b9e\u65f6\u5199\u5165\u7684\u65e5\u5fd7\u6d41\u3002<\/p>\n<hr \/>\n<h2>\u4e8c\u3001tail\u547d\u4ee4\u7684\u5de5\u4f5c\u539f\u7406\u89e3\u6790<\/h2>\n<p><code>tail<\/code>\u547d\u4ee4\u5728\u6267\u884c\u65f6\u4f1a\u8c03\u7528\u7cfb\u7edf\u5e95\u5c42\u7684\u6587\u4ef6\u63cf\u8ff0\u7b26\uff0c\u4ee5\u5757\u4e3a\u5355\u4f4d\u8bfb\u53d6\u6587\u4ef6\u5c3e\u90e8\u5185\u5bb9\u3002\u5b83\u5229\u7528\u6587\u4ef6\u7cfb\u7edf\u7684\u5c3e\u90e8\u8bfb\u53d6\u673a\u5236\uff0c\u907f\u514d\u4e86\u4ece\u5934\u8bfb\u53d6\u6574\u4e2a\u5927\u6587\u4ef6\uff0c\u4ece\u800c\u63d0\u5347\u4e86\u6548\u7387\u3002<\/p>\n<p>\u5bf9\u4e8e\u8fd0\u884c\u5728<strong>\u9999\u6e2f\u72ec\u7acb\u670d\u52a1\u5668<\/strong>\u6216\u9ad8\u6027\u80fd\u4e91\u8ba1\u7b97\u5e73\u53f0\u4e0a\u7684\u5927\u578b\u65e5\u5fd7\u7cfb\u7edf\u800c\u8a00\uff0ctail\u547d\u4ee4\u7684\u5757\u8bfb\u53d6\u673a\u5236\u80fd\u591f\u6709\u6548\u51cf\u8f7b\u7cfb\u7edfI\/O\u538b\u529b\u3002<\/p>\n<hr \/>\n<h2>\u4e09\u3001tail\u547d\u4ee4\u5728\u670d\u52a1\u5668\u8fd0\u7ef4\u4e2d\u7684\u5b9e\u9645\u5e94\u7528<\/h2>\n<h3>1. \u5b9e\u65f6\u76d1\u63a7Web\u8bbf\u95ee\u60c5\u51b5<\/h3>\n<pre><code class=\"language-bash\">tail -f \/var\/log\/httpd\/access_log\r\n<\/code><\/pre>\n<p>\u901a\u8fc7\u8be5\u547d\u4ee4\uff0c\u53ef\u4ee5\u5feb\u901f\u4e86\u89e3\u7ad9\u70b9\u5f53\u524d\u7684\u8bbf\u95ee\u72b6\u6001\uff0c\u53ca\u65f6\u54cd\u5e94\u5f02\u5e38\u8bf7\u6c42\u3002<\/p>\n<h3>2. \u914d\u5408grep\u8fdb\u884c\u5173\u952e\u5b57\u8fc7\u6ee4<\/h3>\n<pre><code class=\"language-bash\">tail -f \/var\/log\/syslog | grep error\r\n<\/code><\/pre>\n<p>\u53ef\u4ee5\u52a8\u6001\u7b5b\u9009\u65e5\u5fd7\u4e2d\u7684\u62a5\u9519\u4fe1\u606f\uff0c\u63d0\u9ad8\u6392\u67e5\u95ee\u9898\u7684\u6548\u7387\u3002<\/p>\n<h3>3. \u591a\u6587\u4ef6\u8054\u5408\u76d1\u63a7\uff08\u4f7f\u7528multitail\u6216\u6269\u5c55\u811a\u672c\uff09<\/h3>\n<p>\u9488\u5bf9\u5206\u5e03\u5f0f\u670d\u52a1\u90e8\u7f72\u7684\u573a\u666f\uff0c\u53ef\u4ee5\u4f7f\u7528\u589e\u5f3a\u578b\u5de5\u5177\u5b9e\u73b0\u591a\u4e2a\u65e5\u5fd7\u6587\u4ef6\u7684\u540c\u6b65\u76d1\u63a7\u3002<\/p>\n<hr \/>\n<h2>\u56db\u3001\u4f7f\u7528tail\u7684\u6ce8\u610f\u4e8b\u9879\u4e0e\u4f18\u5316\u5efa\u8bae<\/h2>\n<p>\u5c3d\u7ba1tail\u547d\u4ee4\u7528\u9014\u5e7f\u6cdb\uff0c\u4f46\u5728\u5904\u7406\u9ad8\u901f\u5199\u5165\u7684\u5927\u578b\u65e5\u5fd7\u6587\u4ef6\u65f6\uff0c\u4e5f\u53ef\u80fd\u9762\u4e34\u4e00\u4e9b\u6027\u80fd\u6311\u6218\uff1a<\/p>\n<ul>\n<li><strong>\u9ad8\u9891\u66f4\u65b0\u65e5\u5fd7\u6613\u9020\u6210\u8bfb\u53d6\u5ef6\u8fdf<\/strong>\uff1a\u6b64\u65f6\u53ef\u7ed3\u5408\u7f13\u5b58\u4f18\u5316\u6216\u5f02\u6b65\u5904\u7406\u673a\u5236\u3002<\/li>\n<li><strong>\u5927\u6587\u4ef6\u8bfb\u53d6\u5185\u5b58\u538b\u529b\u5927<\/strong>\uff1a\u5efa\u8bae\u642d\u914dless\u3001awk\u7b49\u5de5\u5177\u505a\u5206\u6bb5\u67e5\u770b\u3002<\/li>\n<li><strong>\u65e0\u6cd5\u63d0\u4f9b\u5168\u6587\u641c\u7d22\u4e0e\u667a\u80fd\u5206\u6790<\/strong>\uff1a\u9002\u7528\u4e8e\u521d\u6b65\u6392\u67e5\uff0c\u590d\u6742\u5206\u6790\u5efa\u8bae\u501f\u52a9\u65e5\u5fd7\u5e73\u53f0\uff08\u5982ELK\u3001Grafana\uff09\u3002<\/li>\n<\/ul>\n<p>\u5728\u9999\u6e2f\u670d\u52a1\u5668\u73af\u5883\u4e2d\u8fd0\u884ctail\u547d\u4ee4\u65f6\uff0c\u914d\u5408\u9ad8\u5e26\u5bbd\u4f4e\u5ef6\u8fdf\u7684\u7f51\u7edc\u73af\u5883\uff0c\u80fd\u591f\u66f4\u597d\u5730\u6ee1\u8db3\u6d77\u5916\u4e1a\u52a1\u5b9e\u65f6\u76d1\u63a7\u7684\u9700\u6c42\u3002<\/p>\n<hr \/>\n<h2>\u4e94\u3001\u63a8\u8350\u90e8\u7f72\u73af\u5883\uff1a\u9ad8\u6027\u80fd\u9999\u6e2f\u670d\u52a1\u5668<\/h2>\n<p>\u5982\u679c\u4f60\u5e0c\u671b\u5c06tail\u547d\u4ee4\u4e0e\u65e5\u5fd7\u5206\u6790\u7cfb\u7edf\u90e8\u7f72\u5728\u53ef\u88ab\u5168\u7403\u5feb\u901f\u8bbf\u95ee\u7684\u670d\u52a1\u5668\u4e0a\uff0c\u63a8\u8350\u9009\u62e9\u6027\u80fd\u7a33\u5b9a\u3001\u8fde\u63a5\u901f\u5ea6\u5feb\u7684<strong>\u9999\u6e2f\u4e91\u670d\u52a1\u5668<\/strong>\u6216<strong>\u9999\u6e2fVPS<\/strong>\u3002\u8fd9\u4e9b\u670d\u52a1\u5668\u4e0d\u4ec5\u80fd\u63d0\u4f9b\u4f18\u8d28\u7684\u672c\u5730\u5316\u7f51\u7edc\u63a5\u5165\uff0c\u8fd8\u5177\u5907\u4ee5\u4e0b\u4f18\u52bf\uff1a<\/p>\n<ul>\n<li><strong>\u4f4e\u5ef6\u8fdf\u8bbf\u95ee\u4e2d\u56fd\u5927\u9646\u53ca\u4e9a\u592a\u5730\u533a<\/strong>\uff1b<\/li>\n<li><strong>\u652f\u6301\u591a\u79cd\u64cd\u4f5c\u7cfb\u7edf\u73af\u5883\uff08\u5982CentOS\u3001Ubuntu\uff09<\/strong>\uff1b<\/li>\n<li><strong>\u9ad8\u5f39\u6027\u914d\u7f6e\uff0c\u9002\u5408\u65e5\u5fd7\u7cfb\u7edf\u548c\u5b9e\u65f6\u5206\u6790\u90e8\u7f72<\/strong>\uff1b<\/li>\n<li><strong>\u65e0\u9700\u5907\u6848\uff0c\u9002\u5408\u5feb\u901f\u4e0a\u7ebf\u9879\u76ee\u6216\u6d4b\u8bd5\u73af\u5883\u642d\u5efa<\/strong>\u3002<\/li>\n<\/ul>\n<hr \/>\n<h2>\u516d\u3001\u603b\u7ed3<\/h2>\n<p>tail\u547d\u4ee4\u4f5c\u4e3aLinux\u4e2d\u6700\u57fa\u7840\u4e14\u5b9e\u7528\u7684\u65e5\u5fd7\u67e5\u770b\u5de5\u5177\u4e4b\u4e00\uff0c\u5728\u670d\u52a1\u5668\u8fd0\u7ef4\u3001\u7cfb\u7edf\u76d1\u63a7\u4e2d\u8d77\u5230\u4e86\u5173\u952e\u4f5c\u7528\u3002\u65e0\u8bba\u662f\u5355\u72ec\u4f7f\u7528\u8fd8\u662f\u4e0e\u5176\u4ed6\u547d\u4ee4\u7ec4\u5408\uff0ctail\u90fd\u80fd\u4e3a\u6280\u672f\u4eba\u5458\u5e26\u6765\u9ad8\u6548\u76f4\u89c2\u7684\u65e5\u5fd7\u67e5\u770b\u4f53\u9a8c\u3002\u5728\u8fdb\u884c\u65e5\u5fd7\u5206\u6790\u548c\u7cfb\u7edf\u90e8\u7f72\u65f6\uff0c\u7ed3\u5408\u4f18\u8d28\u7684<a href=\"https:\/\/server.hk\/\"><strong>\u9999\u6e2fVPS<\/strong><\/a>\u6216<a href=\"https:\/\/server.hk\/\"><strong>\u9999\u6e2f\u4e91\u670d\u52a1\u5668<\/strong><\/a>\uff0c\u53ef\u8fdb\u4e00\u6b65\u63d0\u5347\u7cfb\u7edf\u54cd\u5e94\u901f\u5ea6\u4e0e\u8fd0\u884c\u6548\u7387\uff0c\u6ee1\u8db3\u4f01\u4e1a\u4e0e\u5f00\u53d1\u8005\u5bf9\u9ad8\u53ef\u7528\u6027\u7684\u4e25\u82db\u8981\u6c42\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5728\u65e5\u5e38\u7684Linux\u670d\u52a1\u5668\u8fd0\u7ef4\u4e2d\uff0c&#46;&#46;&#46;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4924],"tags":[],"class_list":["post-198977","post","type-post","status-publish","format-standard","hentry","category-setup-tutorials"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/198977","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=198977"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/198977\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=198977"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=198977"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=198977"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}