{"id":44876,"date":"2024-10-06T18:51:13","date_gmt":"2024-10-06T10:51:13","guid":{"rendered":"https:\/\/server.hk\/cnblog\/44876\/"},"modified":"2024-10-06T18:51:13","modified_gmt":"2024-10-06T10:51:13","slug":"linux-%e5%91%bd%e4%bb%a4%ef%bc%9awatch-%e5%ae%9a%e6%9c%9f%e5%9f%b7%e8%a1%8c%e7%a8%8b%e5%ba%8f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/44876\/","title":{"rendered":"Linux \u547d\u4ee4\uff1awatch &#8211; \u5b9a\u671f\u57f7\u884c\u7a0b\u5e8f"},"content":{"rendered":"<h1 id=\"linux-%e5%91%bd%e4%bb%a4%ef%bc%9awatch-%e5%ae%9a%e6%9c%9f%e5%9f%b7%e8%a1%8c%e7%a8%8b%e5%ba%8f-QIuRUzVVIu\">Linux \u547d\u4ee4\uff1awatch &#8211; \u5b9a\u671f\u57f7\u884c\u7a0b\u5e8f<\/h1>\n<p>\u5728 Linux \u7cfb\u7d71\u4e2d\uff0c\u547d\u4ee4\u884c\u5de5\u5177\u662f\u7cfb\u7d71\u7ba1\u7406\u548c\u65e5\u5e38\u64cd\u4f5c\u7684\u91cd\u8981\u7d44\u6210\u90e8\u5206\u3002\u5176\u4e2d\uff0c<code>watch<\/code> \u547d\u4ee4\u662f\u4e00\u500b\u975e\u5e38\u5be6\u7528\u7684\u5de5\u5177\uff0c\u80fd\u5920\u5b9a\u671f\u57f7\u884c\u6307\u5b9a\u7684\u547d\u4ee4\u4e26\u986f\u793a\u5176\u8f38\u51fa\u3002\u9019\u5c0d\u65bc\u76e3\u63a7\u7cfb\u7d71\u72c0\u614b\u3001\u6aa2\u67e5\u6587\u4ef6\u8b8a\u5316\u6216\u8ddf\u8e2a\u9032\u7a0b\u7b49\u60c5\u6cc1\u975e\u5e38\u6709\u7528\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af-watch-%e5%91%bd%e4%bb%a4%ef%bc%9f-QIuRUzVVIu\">\u4ec0\u9ebc\u662f watch \u547d\u4ee4\uff1f<\/h2>\n<p><code>watch<\/code> \u547d\u4ee4\u7684\u4e3b\u8981\u529f\u80fd\u662f\u91cd\u8907\u57f7\u884c\u4e00\u500b\u6307\u5b9a\u7684\u547d\u4ee4\uff0c\u4e26\u5728\u7d42\u7aef\u4e2d\u986f\u793a\u5176\u8f38\u51fa\u3002\u9019\u6a23\u7528\u6236\u53ef\u4ee5\u65b9\u4fbf\u5730\u89c0\u5bdf\u547d\u4ee4\u7684\u8b8a\u5316\uff0c\u800c\u7121\u9700\u624b\u52d5\u91cd\u8907\u57f7\u884c\u3002\u5176\u57fa\u672c\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre><code>watch [\u9078\u9805] <\/code><\/pre>\n<h2 id=\"%e5%9f%ba%e6%9c%ac%e7%94%a8%e6%b3%95-QIuRUzVVIu\">\u57fa\u672c\u7528\u6cd5<\/h2>\n<p>\u6700\u7c21\u55ae\u7684\u7528\u6cd5\u662f\u76f4\u63a5\u5728\u547d\u4ee4\u5f8c\u9762\u52a0\u4e0a\u8981\u57f7\u884c\u7684\u547d\u4ee4\u3002\u4f8b\u5982\uff0c\u5982\u679c\u4f60\u60f3\u6bcf\u5169\u79d2\u67e5\u770b\u7576\u524d\u7cfb\u7d71\u7684\u5167\u5b58\u4f7f\u7528\u60c5\u6cc1\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<pre><code>watch -n 2 free -h<\/code><\/pre>\n<p>\u9019\u88e1\uff0c<code>-n 2<\/code> \u8868\u793a\u6bcf\u5169\u79d2\u57f7\u884c\u4e00\u6b21 <code>free -h<\/code> \u547d\u4ee4\uff0c\u8a72\u547d\u4ee4\u7528\u65bc\u986f\u793a\u7cfb\u7d71\u7684\u5167\u5b58\u4f7f\u7528\u60c5\u6cc1\u3002<\/p>\n<h2 id=\"%e5%b8%b8%e7%94%a8%e9%81%b8%e9%a0%85-QIuRUzVVIu\">\u5e38\u7528\u9078\u9805<\/h2>\n<ul>\n<li><code>-n, --interval <\/code>\uff1a\u6307\u5b9a\u57f7\u884c\u547d\u4ee4\u7684\u9593\u9694\u6642\u9593\uff0c\u9ed8\u8a8d\u70ba 2 \u79d2\u3002<\/li>\n<li>&lt;code&#8211;color<\/code>\uff1a\u555f\u7528\u984f\u8272\u986f\u793a\uff0c\u9019\u5c0d\u65bc\u9ad8\u4eae\u8b8a\u5316\u7684\u90e8\u5206\u975e\u5e38\u6709\u7528\u3002<\/li>\n<li>&lt;code&#8211;differences<\/code>\uff1a\u50c5\u986f\u793a\u8207\u4e0a\u6b21\u57f7\u884c\u7d50\u679c\u4e0d\u540c\u7684\u884c\uff0c\u9019\u6a23\u53ef\u4ee5\u66f4\u5feb\u5730\u8b58\u5225\u8b8a\u5316\u3002<\/li>\n<li>&lt;code&#8211;help<\/code>\uff1a\u986f\u793a\u5e6b\u52a9\u4fe1\u606f\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%af%a6%e9%9a%9b%e6%87%89%e7%94%a8%e6%a1%88%e4%be%8b-QIuRUzVVIu\">\u5be6\u969b\u61c9\u7528\u6848\u4f8b<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u4e9b <code>watch<\/code> \u547d\u4ee4\u7684\u5be6\u969b\u61c9\u7528\u6848\u4f8b\uff1a<\/p>\n<h3 id=\"%e7%9b%a3%e6%8e%a7%e7%b3%bb%e7%b5%b1%e8%b2%a0%e8%bc%89-QIuRUzVVIu\">\u76e3\u63a7\u7cfb\u7d71\u8ca0\u8f09<\/h3>\n<p>\u5982\u679c\u4f60\u60f3\u76e3\u63a7\u7cfb\u7d71\u7684 CPU \u8ca0\u8f09\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<pre><code>watch -n 1 \"cat \/proc\/loadavg\"<\/code><\/pre>\n<p>\u9019\u5c07\u6bcf\u79d2\u986f\u793a\u4e00\u6b21\u7cfb\u7d71\u7684\u8ca0\u8f09\u60c5\u6cc1\uff0c\u5e6b\u52a9\u4f60\u53ca\u6642\u767c\u73fe\u6027\u80fd\u74f6\u9838\u3002<\/p>\n<h3 id=\"%e6%aa%a2%e6%9f%a5%e6%96%87%e4%bb%b6%e8%ae%8a%e5%8c%96-QIuRUzVVIu\">\u6aa2\u67e5\u6587\u4ef6\u8b8a\u5316<\/h3>\n<p>\u5982\u679c\u4f60\u9700\u8981\u76e3\u63a7\u67d0\u500b\u76ee\u9304\u4e0b\u7684\u6587\u4ef6\u8b8a\u5316\uff0c\u53ef\u4ee5\u4f7f\u7528 <code>ls<\/code> \u547d\u4ee4\uff1a<\/p>\n<pre><code>watch -n 5 ls -l \/path\/to\/directory<\/code><\/pre>\n<p>\u9019\u5c07\u6bcf\u4e94\u79d2\u5217\u51fa\u6307\u5b9a\u76ee\u9304\u4e0b\u7684\u6587\u4ef6\u53ca\u5176\u8a73\u7d30\u4fe1\u606f\uff0c\u65b9\u4fbf\u4f60\u6aa2\u67e5\u6587\u4ef6\u7684\u65b0\u589e\u6216\u522a\u9664\u3002<\/p>\n<h3 id=\"%e7%9b%a3%e6%8e%a7%e7%b6%b2%e7%b5%a1%e9%80%a3%e6%8e%a5-QIuRUzVVIu\">\u76e3\u63a7\u7db2\u7d61\u9023\u63a5<\/h3>\n<p>\u4f60\u4e5f\u53ef\u4ee5\u4f7f\u7528 <code>watch<\/code> \u4f86\u76e3\u63a7\u7db2\u7d61\u9023\u63a5\uff0c\u4f8b\u5982\uff1a<\/p>\n<pre><code>watch -n 10 netstat -tuln<\/code><\/pre>\n<p>\u9019\u5c07\u6bcf\u5341\u79d2\u986f\u793a\u4e00\u6b21\u7576\u524d\u7684\u7db2\u7d61\u9023\u63a5\u60c5\u6cc1\uff0c\u5e6b\u52a9\u4f60\u4e86\u89e3\u7cfb\u7d71\u7684\u7db2\u7d61\u72c0\u614b\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-QIuRUzVVIu\">\u7e3d\u7d50<\/h2>\n<p>\u7e3d\u7684\u4f86\u8aaa\uff0c<code>watch<\/code> \u547d\u4ee4\u662f\u4e00\u500b\u975e\u5e38\u6709\u7528\u7684\u5de5\u5177\uff0c\u80fd\u5920\u5e6b\u52a9\u7528\u6236\u5b9a\u671f\u57f7\u884c\u547d\u4ee4\u4e26\u89c0\u5bdf\u5176\u8b8a\u5316\u3002\u7121\u8ad6\u662f\u76e3\u63a7\u7cfb\u7d71\u6027\u80fd\u3001\u6aa2\u67e5\u6587\u4ef6\u8b8a\u5316\uff0c\u9084\u662f\u8ddf\u8e2a\u7db2\u7d61\u72c0\u614b\uff0c<code>watch<\/code> \u90fd\u80fd\u63d0\u4f9b\u4fbf\u5229\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u7ba1\u7406\u548c\u76e3\u63a7\u7684\u7528\u6236\u4f86\u8aaa\uff0c\u638c\u63e1\u9019\u500b\u547d\u4ee4\u5c07\u5927\u5927\u63d0\u9ad8\u5de5\u4f5c\u6548\u7387\u3002<\/p>\n<p>\u5982\u679c\u4f60\u5c0d\u65bc <a href=\"https:\/\/server.hk\">\u9999\u6e2f VPS<\/a> \u670d\u52d9\u6709\u8208\u8da3\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9748\u6d3b\u7684\u89e3\u6c7a\u65b9\u6848\uff0c\u6eff\u8db3\u4e0d\u540c\u7528\u6236\u7684\u9700\u6c42\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4f7f\u7528 Linux \u547d\u4ee4 watch \u5b9a\u671f\u57f7\u884c\u7a0b\u5e8f\uff0c\u5be6\u6642\u76e3\u63a7\u8f38\u51fa\u8b8a\u5316\uff0c\u63d0\u5347\u7cfb\u7d71\u7ba1\u7406\u6548\u7387\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4924],"tags":[],"class_list":["post-44876","post","type-post","status-publish","format-standard","hentry","category-setup-tutorials"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/44876","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=44876"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/44876\/revisions"}],"predecessor-version":[{"id":44877,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/44876\/revisions\/44877"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=44876"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=44876"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=44876"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}