{"id":3828,"date":"2019-02-01T17:38:34","date_gmt":"2019-02-01T09:38:34","guid":{"rendered":"http:\/\/www.xttblog.com\/?p=3828"},"modified":"2019-12-23T22:25:05","modified_gmt":"2019-12-23T14:25:05","slug":"%e6%9c%89%e9%bb%91%e5%ae%a2%ef%bc%9flinux-%e4%b8%ad-w%e3%80%81who%e3%80%81whoami%e3%80%81last-%e5%91%bd%e4%bb%a4%e4%bd%a0%e4%ba%86%e8%a7%a3%e4%b8%80%e4%b8%8b%ef%bc%81","status":"publish","type":"post","link":"https:\/\/www.xttblog.com\/?p=3828","title":{"rendered":"\u6709\u9ed1\u5ba2\uff1fLinux \u4e2d w\u3001who\u3001whoami\u3001last \u547d\u4ee4\u4f60\u4e86\u89e3\u4e00\u4e0b\uff01"},"content":{"rendered":"<p>\u5708\u5b50\u6709\u65f6\u5019\u4e5f\u5f88\u91cd\u8981\u554a\uff0c\u8fd9\u4e5f\u662f\u4e3a\u4ec0\u4e48\u6211\u4e00\u76f4\u60f3\u8ba9\u6211\u4eec\u5c0f\u5b69\u5728\u4e0a\u6d77\u4e0a\u5b66\u7684\u539f\u56e0\u3002\u5c06\u6765\u5c31\u7b97\u81ea\u5df1\u5f88\u5e73\u51e1\uff0c\u4f46\u662f\u6709\u4e00\u7fa4\u4e0d\u5e73\u51e1\u7684\u540c\u5b66\u4e5f\u80fd\u6284\u6377\u5f84\uff01<\/p>\n<p><img decoding=\"async\" style=\"width: 500px;height: 371px\" src=\"https:\/\/images.weserv.nl\/?url=https:\/\/wx1.sinaimg.cn\/large\/8fa5dcfcgy1fzr1fdh2r3j20dw0ababr.jpg\" alt=\"\u5708\u5b50\u8ba9\u4f60\u6210\u529f\u4e00\u534a\uff01\"><\/p>\n<p>\u5708\u5b50\u80fd\u8ba9\u4f60\u6210\u529f\u4e00\u534a\uff01\u6700\u8fd1\uff0c\u7fa4\u91cc\u6709\u4e00\u4f4d\u7f51\u53cb\uff0c\u4e09\u5929\u4e24\u5934\u7684\u670d\u52a1\u5668\u88ab\u653b\u51fb\u3002\u8fd9\u662f\u56e0\u4e3a\uff0c\u4ed6\u8eab\u8fb9\u7684\u5708\u5b50\u91cc\u90fd\u5728\u4f7f\u7528\u5b9d\u5854\uff1b\u5b9d\u5854\u4e00\u6709\u6f0f\u6d1e\uff0c\u4ed6\u5c31\u4f1a\u88ab\u653b\u51fb\uff01<\/p>\n<p>\u5982\u679c\u4f60\u7684\u5708\u5b50\u91cc\u6709\u8fd0\u7ef4\u9ad8\u624b\uff0c\u6216\u8005\u662f\u60f3\u5b66\u4e60 Linux \u77e5\u8bc6\u7684\uff0c\u90a3\u5c31\u4e0d\u8981\u7528\u5b9d\u5854\u3002Linux \u5b66\u4e60\u8d77\u6765\u5e76\u6ca1\u6709\u60f3\u8c61\u4e2d\u7684\u90a3\u4e48\u96be\uff01<\/p>\n<p>\u6709\u7f51\u53cb\u79c1\u4fe1\u6211\uff0c\u60f3\u9ebb\u70e6\u6211\u4e00\u4e0b\uff0c\u8bf4\u901a\u8fc7 top\uff0c\u547d\u4ee4\u53d1\u73b0\u6709\u4e24\u4e2a\u7528\u6237\u767b\u5f55\u4e86\u7cfb\u7edf\u3002\u60f3\u770b\u770b\u53e6\u5916\u4e00\u4e2a\u662f\u8c01\uff1f\u5230\u5e95\u5728\u5e72\u4ec0\u4e48\uff1f\u8be5\u600e\u4e48\u505a\uff1f<\/p>\n<p><img decoding=\"async\" style=\"width: 518px;height: 253px\" src=\"https:\/\/images.weserv.nl\/?url=https:\/\/wx1.sinaimg.cn\/large\/8fa5dcfcgy1fzr1pfr9tkj20ee071abh.jpg\" alt=\"Linux\u4e0b\u7528\u4e8e\u67e5\u770b\u7cfb\u7edf\u5f53\u524d\u767b\u5f55\u7528\u6237\u4fe1\u606f\u76844\u79cd\u65b9\u6cd5\"><\/p>\n<p>\u6240\u4ee5\uff0c\u4eca\u5929\u6211\u4eec\u5c31\u4e00\u8d77\u6765\u5b66\u4e60 4 \u4e2a Linux \u547d\u4ee4\uff1aw\u3001who\u3001whoami\u3001last\u3002<\/p>\n<h2>w \u547d\u4ee4<\/h2>\n<p>w \u547d\u4ee4\u7528\u4e8e\u67e5\u770b\u767b\u5f55\u7528\u6237\u6b63\u5728\u4f7f\u7528\u7684\u8fdb\u7a0b\u4fe1\u606f\u3002\u8be5\u547d\u4ee4\u6240\u4f7f\u7528\u7684\u4fe1\u606f\u6765\u6e90\u4e8e \/var\/run\/utmp \u6587\u4ef6\u3002w \u547d\u4ee4\u8f93\u51fa\u7684\u4fe1\u606f\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\u7528\u6237\u540d\u79f0<\/li>\n<li>\u7528\u6237\u7684\u673a\u5668\u540d\u79f0\u6216 tty \u53f7<\/li>\n<li>\u8fdc\u7a0b\u4e3b\u673a\u5730\u5740<\/li>\n<li>\u7528\u6237\u767b\u5f55\u7cfb\u7edf\u7684\u65f6\u95f4<\/li>\n<li>\u7a7a\u95f2\u65f6\u95f4\uff08\u4f5c\u7528\u4e0d\u5927\uff09<\/li>\n<li>\u9644\u52a0\u5230 tty\uff08\u7ec8\u7aef\uff09\u7684\u8fdb\u7a0b\u6240\u7528\u7684\u65f6\u95f4\uff08JCPU\u65f6\u95f4\uff09<\/li>\n<li>\u5f53\u524d\u8fdb\u7a0b\u6240\u7528\u65f6\u95f4\uff08PCPU\u65f6\u95f4\uff09<\/li>\n<li>\u7528\u6237\u5f53\u524d\u6b63\u5728\u4f7f\u7528\u7684\u547d\u4ee4<\/li>\n<\/ul>\n<p>w \u547d\u4ee4\u8fd8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u9009\u9879\uff1a<\/p>\n<ul>\n<li>-h \u5ffd\u7565\u5934\u6587\u4ef6\u4fe1\u606f<\/li>\n<li>-u \u663e\u793a\u7ed3\u679c\u7684\u52a0\u8f7d\u65f6\u95f4<\/li>\n<li>-s \u4e0d\u663e\u793aJCPU\uff0c PCPU\uff0c \u767b\u5f55\u65f6\u95f4<\/li>\n<\/ul>\n<p>\u7528\u6cd5\u4e3e\u4f8b\u5982\u4e0b\uff1a<\/p>\n<p><img decoding=\"async\" style=\"width: 453px;height: 102px\" src=\"https:\/\/images.weserv.nl\/?url=https:\/\/wx1.sinaimg.cn\/large\/8fa5dcfcgy1fzr1v7otdqj20cl02umxf.jpg\" alt=\"Linux \u7684 w \u547d\u4ee4\"><\/p>\n<h2>who \u547d\u4ee4<\/h2>\n<p>who \u547d\u4ee4\u7528\u4e8e\u5217\u4e3e\u51fa\u5f53\u524d\u5df2\u767b\u5f55\u7cfb\u7edf\u7684\u7528\u6237\u540d\u79f0\u3002\u5176\u8f93\u51fa\u4e3a\uff1a\u7528\u6237\u540d\u3001tty\u53f7\u3001\u65f6\u95f4\u65e5\u671f\u3001\u4e3b\u673a\u5730\u5740\u3002<\/p>\n<p>\u7528\u6cd5\uff0c\u6211\u5c31\u4e0d\u5728\u4e3e\u4f8b\u4e86\u3002\u5982\u679c\u53ea\u5e0c\u671b\u5217\u51fa\u7528\u6237\uff0c\u53ef\u4ee5\u4f7f\u7528\u5982\u4e0b\u8bed\u53e5\uff1a<\/p>\n<pre class=\"brush:bash;\">who | cut -d' ' -f1 | sort | uniq<\/pre>\n<p>\u4e0a\u9762\u7684\u8bed\u53e5\uff0c\u76f8\u5f53\u7528 users \u547d\u4ee4\u3002\u4f46\u662f users \u547d\u4ee4\u5c40\u9650\u6027\u592a\u5927\u3002<\/p>\n<p>users \u547d\u4ee4\uff0c\u53ef\u7528\u4e8e\u6253\u5370\u8f93\u51fa\u767b\u5f55\u670d\u52a1\u5668\u7684\u7528\u6237\u540d\u79f0\u3002\u8be5\u547d\u4ee4\u9664\u4e86\u6709 help \u548c version \u9009\u9879\u5916\uff0c\u518d\u6ca1\u6709\u5176\u4ed6\u9009\u9879\u3002\u5982\u679c\u67d0\u7528\u6237\u4f7f\u7528\u4e86\u591a\u4e2a\u7ec8\u7aef\uff0c\u5219\u76f8\u5e94\u7684\u4f1a\u663e\u793a\u591a\u4e2a\u91cd\u590d\u7684\u7528\u6237\u540d\u3002<\/p>\n<h2>whoami \u547d\u4ee4<\/h2>\n<p>whoami \u547d\u4ee4\u80fd\u663e\u793a\u5f53\u524d\u767b\u5165\u7684\u7528\u6237\u540d\u79f0\uff0c\u4ee5\u53ca\u5f53\u524d\u6240\u4f7f\u7528\u7684 tty \u4fe1\u606f\u3002\u8be5\u547d\u4ee4\u7684\u8f93\u51fa\u7ed3\u679c\u5305\u62ec\u5982\u4e0b\u5185\u5bb9\uff1a\u7528\u6237\u540d\u3001tty \u540d\u3001\u5f53\u524d\u65f6\u95f4\u65e5\u671f\uff0c\u540c\u65f6\u8fd8\u5305\u62ec\u7528\u6237\u767b\u5f55\u7cfb\u7edf\u6240\u4f7f\u7528\u7684\u94fe\u63a5\u5730\u5740\u3002<\/p>\n<p>\u5177\u4f53\u7528\u6cd5\u4e0d\u5728\u622a\u56fe\u4e86\u3002\u5982\u679c\u4f60\u4f7f\u7528 su \u547d\u4ee4\u6539\u53d8\u7528\u6237\uff0c\u5219\u8be5\u547d\u4ee4\uff08whoami\uff09\u6240\u663e\u793a\u7684\u7ed3\u679c\u5c06\u968f\u4e4b\u6539\u53d8\u3002<\/p>\n<h2>last \u547d\u4ee4<\/h2>\n<p>last \u547d\u4ee4\u53ef\u7528\u4e8e\u663e\u793a\u7279\u5b9a\u7528\u6237\u767b\u5f55\u7cfb\u7edf\u7684\u5386\u53f2\u8bb0\u5f55\u3002\u5982\u679c\u6ca1\u6709\u6307\u5b9a\u4efb\u4f55\u53c2\u6570\uff0c\u5219\u663e\u793a\u6240\u6709\u7528\u6237\u7684\u5386\u53f2\u4fe1\u606f\u3002\u5728\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u8fd9\u4e9b\u4fe1\u606f\uff08\u6240\u663e\u793a\u7684\u4fe1\u606f\uff09\u5c06\u6765\u6e90\u4e8e \/var\/log\/wtmp \u6587\u4ef6\u3002\u8be5\u547d\u4ee4\u7684\u8f93\u51fa\u7ed3\u679c\u5305\u542b\u4ee5\u4e0b\u51e0\u5217\u4fe1\u606f\uff1a<\/p>\n<ul>\n<li>\u7528\u6237\u540d\u79f0<\/li>\n<li>tty \u8bbe\u5907\u53f7<\/li>\n<li>\u5386\u53f2\u767b\u5f55\u65f6\u95f4\u65e5\u671f<\/li>\n<li>\u767b\u51fa\u65f6\u95f4\u65e5\u671f<\/li>\n<li>\u603b\u5de5\u4f5c\u65f6\u95f4<\/li>\n<\/ul>\n<h2>\u53c2\u8003\u8d44\u6599<\/h2>\n<ul>\n<li><a title=\"4 Ways to Identify Who is Logged-In on Your Linux System\" href=\"https:\/\/www.thegeekstuff.com\/2009\/03\/4-ways-to-identify-who-is-logged-in-on-your-linux-system\/\" target=\"_blank\" rel=\"noopener noreferrer\" name=\"4 Ways to Identify Who is Logged-In on Your Linux System\">4 Ways to Identify Who is Logged-In on Your Linux System<\/a><\/li>\n<\/ul>\n<!-- <audio autoplay=\"autoplay\" height=\"100\" width=\"100\" hidden=\"true\"><source src=\"https:\/\/c.coka.la\/orAvPR.mp3\" type=\"audio\/mp3\"\/><\/audio><img decoding=\"async\" src=\"https:\/\/images.weserv.nl\/?url=https:\/\/ws3.sinaimg.cn\/large\/8fa5dcfcgy1g4em3rzar5j20ib089ae0.jpg\" alt=\"\u4e1a\u4f59\u8349\u516c\u4f17\u53f7\"\/> --><p><!-- <img decoding=\"async\" src=\"https:\/\/raw.githubusercontent.com\/xmt1139057136\/xttblog\/master\/8fa5dcfcgy1g4em3rzar5j20ib089ae0.jpg\" alt=\"\u4e1a\u4f59\u8349\u516c\u4f17\u53f7\"\/>--><img decoding=\"async\" src=\"https:\/\/saas.51autoparts.cn\/api\/admin\/sys-file\/oss\/file?fileName=84db51f8561e448f9a4fda2eff0811f9.jpg\" alt=\"\u4e1a\u4f59\u8349\u516c\u4f17\u53f7\"\/><\/p><p>\u6700\u540e\uff0c\u6b22\u8fce\u5173\u6ce8\u6211\u7684\u4e2a\u4eba\u5fae\u4fe1\u516c\u4f17\u53f7\uff1a\u4e1a\u4f59\u8349\uff08yyucao\uff09\uff01<b>\u53ef\u52a0\u4f5c\u8005\u5fae\u4fe1\u53f7\uff1a<font color=\"red\">xttblog2<\/font>\u3002\u5907\u6ce8\uff1a\u201c1\u201d\uff0c\u6dfb\u52a0\u535a\u4e3b\u5fae\u4fe1\u62c9\u4f60\u8fdb\u5fae\u4fe1\u7fa4\u3002\u5907\u6ce8\u9519\u8bef\u4e0d\u4f1a\u540c\u610f\u597d\u53cb\u7533\u8bf7\u3002<\/b>\u518d\u6b21\u611f\u8c22\u60a8\u7684\u5173\u6ce8\uff01\u540e\u7eed\u6709\u7cbe\u5f69\u5185\u5bb9\u4f1a\u7b2c\u4e00\u65f6\u95f4\u53d1\u7ed9\u60a8\uff01\u539f\u521b\u6587\u7ae0\u6295\u7a3f\u8bf7\u53d1\u9001\u81f3532009913@qq.com\u90ae\u7bb1\u3002\u5546\u52a1\u5408\u4f5c\u4e5f\u53ef\u6dfb\u52a0\u4f5c\u8005\u5fae\u4fe1\u8fdb\u884c\u8054\u7cfb\uff01<\/p><p>\u672c\u6587\u539f\u6587\u51fa\u5904\uff1a<a href=\"https:\/\/www.xttblog.com\">\u4e1a\u4f59\u8349<\/a>\uff1a &raquo; <a href=\"https:\/\/www.xttblog.com\/?p=3828\">\u6709\u9ed1\u5ba2\uff1fLinux \u4e2d w\u3001who\u3001whoami\u3001last \u547d\u4ee4\u4f60\u4e86\u89e3\u4e00\u4e0b\uff01<\/a><\/p><!-- <div class=\"bd-reward-stl\"><button id=\"bdRewardBtn\"><span><\/span><\/button><\/div> -->","protected":false},"excerpt":{"rendered":"<p>\u5708\u5b50\u6709\u65f6\u5019\u4e5f\u5f88\u91cd\u8981\u554a\uff0c\u8fd9\u4e5f\u662f\u4e3a\u4ec0\u4e48\u6211\u4e00\u76f4\u60f3\u8ba9\u6211\u4eec\u5c0f\u5b69\u5728\u4e0a\u6d77\u4e0a\u5b66\u7684\u539f\u56e0\u3002\u5c06\u6765\u5c31\u7b97\u81ea\u5df1\u5f88\u5e73\u51e1\uff0c\u4f46\u662f\u6709\u4e00\u7fa4\u4e0d\u5e73\u51e1\u7684\u540c [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[118],"tags":[706,1394,708,707,1288],"class_list":["post-3828","post","type-post","status-publish","format-standard","hentry","category-ndisdevelop","tag-linux","tag-time","tag-top","tag-1288"],"_links":{"self":[{"href":"https:\/\/www.xttblog.com\/index.php?rest_route=\/wp\/v2\/posts\/3828","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.xttblog.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.xttblog.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.xttblog.com\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.xttblog.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=3828"}],"version-history":[{"count":3,"href":"https:\/\/www.xttblog.com\/index.php?rest_route=\/wp\/v2\/posts\/3828\/revisions"}],"predecessor-version":[{"id":4597,"href":"https:\/\/www.xttblog.com\/index.php?rest_route=\/wp\/v2\/posts\/3828\/revisions\/4597"}],"wp:attachment":[{"href":"https:\/\/www.xttblog.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=3828"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.xttblog.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=3828"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.xttblog.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=3828"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}