{"id":6964,"date":"2022-08-21T16:32:14","date_gmt":"2022-08-21T08:32:14","guid":{"rendered":"http:\/\/123.57.164.21\/?p=6964"},"modified":"2022-08-21T16:32:14","modified_gmt":"2022-08-21T08:32:14","slug":"linux%e8%af%be%e5%a0%82%e7%ac%94%e8%ae%b02","status":"publish","type":"post","link":"https:\/\/92it.top\/?p=6964","title":{"rendered":"Linux\u8bfe\u5802\u7b14\u8bb0(2)"},"content":{"rendered":"\n<p><strong>man page<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<ul><li>\u672c\u5730\u7cfb\u7edf\u4e0a\u7684\u4e00\u4e2a\u6587\u6863\uff08\u7cfb\u7edf\u624b\u518c\u9875\uff09\uff1b\u4f7f\u7528man\u547d\u4ee4\u8bbf\u95ee<\/li><\/ul>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/123.57.164.21\/wp-content\/uploads\/2022\/08\/1-11.png\" alt=\"\" class=\"wp-image-6994\" width=\"323\" height=\"180\" srcset=\"https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/1-11.png 710w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/1-11-300x167.png 300w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/1-11-230x128.png 230w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/1-11-350x195.png 350w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/1-11-480x268.png 480w\" sizes=\"(max-width: 323px) 100vw, 323px\" \/><\/figure><\/div>\n\n\n\n<ul><li>\u9605\u8bfbman page<\/li><\/ul>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/123.57.164.21\/wp-content\/uploads\/2022\/08\/1-12.png\" alt=\"\" class=\"wp-image-6995\" width=\"331\" height=\"155\" srcset=\"https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/1-12.png 764w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/1-12-300x141.png 300w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/1-12-230x108.png 230w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/1-12-350x164.png 350w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/1-12-480x225.png 480w\" sizes=\"(max-width: 331px) 100vw, 331px\" \/><\/figure><\/div>\n\n\n\n<p><strong>\u6807\u51c6\u8f93\u5165\uff0c\u6807\u51c6\u8f93\u51fa\u548c\u6807\u51c6\u9519\u8bef<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<ul type=\"1\"><li>\u4e00\u4e2a\u8fd0\u884c\u7684\u7a0b\u5e8f\u6216\u8005\u4e3a\u8fdb\u7a0b\u9700\u8981\u4ece\u67d0\u4f4d\u7f6e\u8bfb\u53d6\u8f93\u5165\uff0c\u5e76\u5c06\u8f93\u51fa\u5199\u5165\u67d0\u4f4d\u7f6e\uff1b\u4eceshell\u63d0\u793a\u7b26\u8fd0\u884c\u7684\u547d\u4ee4\u901a\u5e38\u4ece\u952e\u76d8\u8bfb\u53d6\u5176\u8f93\u5165\uff0c\u5e76\u5c06\u8f93\u51fa\u53d1\u9001\u5230\u7ec8\u7aef\u7a97\u53e3<\/li><li>\u4e00\u4e2a\u8fdb\u7a0b\u4f7f\u7528\u79f0\u4e3a\u6587\u4ef6\u63cf\u8ff0\u7b26\u7684\u7f16\u53f7\u901a\u9053\u83b7\u53d6\u8f93\u5165\u5e76\u53d1\u9001\u8f93\u51fa\uff1b\u6240\u6709\u8fdb\u7a0b\u5f00\u59cb\u65f6\u81f3\u5c11\u6709\u4e09\u4e2a\u6587\u4ef6\u63cf\u8ff0\u7b26<\/li><li>\u901a\u9053\uff08\u6587\u4ef6\u63cf\u8ff0\u7b26\uff09<\/li><\/ul>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/123.57.164.21\/wp-content\/uploads\/2022\/08\/1-15.png\" alt=\"\" class=\"wp-image-6998\" width=\"472\" height=\"149\" srcset=\"https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/1-15.png 900w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/1-15-300x95.png 300w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/1-15-768x244.png 768w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/1-15-830x264.png 830w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/1-15-230x73.png 230w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/1-15-350x111.png 350w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/1-15-480x153.png 480w\" sizes=\"(max-width: 472px) 100vw, 472px\" \/><\/figure><\/div>\n\n\n\n<ul><li>\u5c06\u8f93\u51fa\u91cd\u5b9a\u5411\u5230\u6587\u4ef6<\/li><\/ul>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/123.57.164.21\/wp-content\/uploads\/2022\/08\/1.jpg.png\" alt=\"\" class=\"wp-image-6971\" width=\"462\" height=\"376\" srcset=\"https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/1.jpg.png 588w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/1.jpg-300x244.png 300w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/1.jpg-230x187.png 230w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/1.jpg-350x285.png 350w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/1.jpg-480x391.png 480w\" sizes=\"(max-width: 462px) 100vw, 462px\" \/><\/figure><\/div>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/123.57.164.21\/wp-content\/uploads\/2022\/08\/2.jpg.png\" alt=\"\" class=\"wp-image-6972\" width=\"475\" height=\"182\" srcset=\"https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/2.jpg.png 661w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/2.jpg-300x115.png 300w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/2.jpg-230x88.png 230w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/2.jpg-350x134.png 350w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/2.jpg-480x184.png 480w\" sizes=\"(max-width: 475px) 100vw, 475px\" \/><\/figure><\/div>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">1)\t>file 2>&amp;1 \u5c06\u6807\u51c6\u8f93\u51fa\u91cd\u5b9a\u5411\u5230file\uff0c\u7136\u540e\u5c06\u6807\u51c6\u9519\u8bef\u4f5c\u4e3a\u6807\u51c6\u8f93\u51fa\u91cd\u5b9a\u5411\u5230\u76f8\u540c\u4f4d\u7f6efile\n2)\t2>&amp;1   >file \u5c06\u6807\u51c6\u9519\u8bef\u91cd\u5b9a\u5411\u5230\u6807\u51c6\u8f93\u51fa\u7684\u9ed8\u8ba4\u4f4d\u7f6e\uff08\u7ec8\u7aef\u7a97\u53e3\uff09\uff0c\u7136\u540e\u4ec5\u5c06\u6807\u51c6\u8f93\u51fa\u91cd\u5b9a\u5411\u5230file<\/pre>\n\n\n\n<p><strong>\u6784\u5efa\u7ba1\u9053<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<ul><li>\u7ba1\u9053\uff1a\u4e00\u4e2a\u6216\u591a\u4e2a\u547d\u4ee4\u7684\u5e8f\u5217\uff0c\u7528\u7ad6\u7ebf\u5b57\u7b26\uff08|\uff09\u5206\u9694\uff1b\u7ba1\u9053\u5c06\u7b2c\u4e00\u4e2a\u547d\u4ee4\u7684\u6807\u51c6\u8f93\u51fa\u8fde\u63a5\u5230\u4e0b\u4e00\u4e2a\u547d\u4ee4\u7684\u6807\u51c6\u8f93\u5165<\/li><\/ul>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/123.57.164.21\/wp-content\/uploads\/2022\/08\/1-16.png\" alt=\"\" class=\"wp-image-7000\" width=\"526\" height=\"109\" srcset=\"https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/1-16.png 739w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/1-16-300x62.png 300w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/1-16-230x48.png 230w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/1-16-350x72.png 350w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/1-16-480x99.png 480w\" sizes=\"(max-width: 526px) 100vw, 526px\" \/><\/figure><\/div>\n\n\n\n<ul><li>\u7ba1\u9053\u548c\u91cd\u5b9a\u5411\u7ec4\u5408\u4f7f\u7528<\/li><\/ul>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">a)\t\u7ba1\u9053\u8f93\u51fa\u540e\u4f7f\u7528\u91cd\u5b9a\u5411\uff1a  cat \/etc\/passwd | tail -1 >file1\nb)\t\u7ba1\u9053\u4e2d\u95f4\u4f7f\u7528\u8f93\u51fa\u91cd\u5b9a\u5411\uff1acat \/etc\/passwd >file1 | tail -n 2   \u89c2\u5bdf\u73b0\u8c61\uff0c\u5982\u4f55\u89e3\u51b3\uff1f\nc)\ttee\u547d\u4ee4\uff1a\u5728\u7ba1\u9053\u4e2d\uff0c\u5c06\u6807\u51c6\u8f93\u5165\u590d\u5236\u5230\u6807\u51c6\u8f93\u51fa\uff0c\u5e76\u4e14\u5c06\u6807\u51c6\u8f93\u51fa\u91cd\u5b9a\u5411\u5230\u6307\u5b9a\u6587\u4ef6\ncat  \/etc\/hosts | tee file1\ncat  \/etc\/hosts | tee file1 | tail -n 1\ncat  \/etc\/hosts | tail -n 1 | tee file1\nd)\ttee -a \u9009\u9879\uff1a\u9644\u52a0\u5230\u6307\u5b9a\u6587\u4ef6\n<\/pre>\n\n\n\n<p><strong>tee\u547d\u4ee4<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<p>Linux\u7cfb\u7edftee\u547d\u4ee4\u4ece\u6807\u51c6\u8f93\u5165\u8bfb\u53d6\u5185\u5bb9\u5e76\u540c\u65f6\u5c06\u6807\u51c6\u8f93\u51fa\u5199\u5165\u4e00\u4e2a\u6216\u591a\u4e2a\u6587\u4ef6\u3002tee\u6700\u5e38\u7528\u4e8e\u901a\u8fc7\u7ba1\u9053\u4e0e\u5176\u4ed6\u547d\u4ee4\u7ed3\u5408\u4f7f\u7528<\/p>\n\n\n\n<p>\u8bed\u6cd5: tee\u00a0[-ai][&#8211;help][&#8211;version][\u6587\u4ef6&#8230;]<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">-a\u6216\u2013append \u3000\u9644\u52a0\u5230\u65e2\u6709\u6587\u4ef6\u7684\u540e\u9762\uff0c\u800c\u975e\u8986\u76d6\u5b83\uff0e\n\n-i\u6216\u2013ignore-interrupts \u3000\u5ffd\u7565\u4e2d\u65ad\u4fe1\u53f7\u3002\n\n\u2013help \u3000\u5728\u7ebf\u5e2e\u52a9\u3002\n\n\u2013version \u3000\u663e\u793a\u7248\u672c\u4fe1\u606f\u3002<\/pre>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/123.57.164.21\/wp-content\/uploads\/2022\/08\/image-28.png\" alt=\"\" class=\"wp-image-7018\" width=\"470\" height=\"302\" srcset=\"https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/image-28.png 882w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/image-28-300x193.png 300w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/image-28-768x493.png 768w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/image-28-830x533.png 830w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/image-28-230x148.png 230w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/image-28-350x225.png 350w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/image-28-480x308.png 480w\" sizes=\"(max-width: 470px) 100vw, 470px\" \/><\/figure><\/div>\n\n\n\n<p>\u00a0\u5982\u4f55\u5728 Linux \u4e0a\u4f7f\u7528\u8fd9\u4e2a\u547d\u4ee4\uff1f<\/p>\n\n\n\n<p>\u5047\u8bbe\u56e0\u4e3a\u67d0\u4e9b\u539f\u56e0\uff0c\u4f60\u6b63\u5728\u4f7f\u7528\u00a0<code>ping<\/code>\u00a0\u547d\u4ee4\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\"> ping google.com\n<\/pre>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/123.57.164.21\/wp-content\/uploads\/2022\/08\/image-29.png\" alt=\"\" class=\"wp-image-7021\" width=\"450\" height=\"204\" srcset=\"https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/image-29.png 619w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/image-29-300x136.png 300w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/image-29-230x104.png 230w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/image-29-350x159.png 350w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/image-29-480x218.png 480w\" sizes=\"(max-width: 450px) 100vw, 450px\" \/><\/figure><\/div>\n\n\n\n<p>\u7136\u540e\u540c\u65f6\uff0c\u4f60\u60f3\u8981\u8f93\u51fa\u7684\u4fe1\u606f\u4e5f\u540c\u65f6\u80fd\u5199\u5165\u6587\u4ef6\u3002\u8fd9\u4e2a\u65f6\u5019\uff0c<code>tee<\/code>\u00a0\u547d\u4ee4\u5c31\u6709\u5176\u7528\u6b66\u4e4b\u5730\u4e86\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\u00a0ping\u00a0google.com\u00a0|\u00a0tee\u00a0output.txt<\/pre>\n\n\n\n<p>\u4e0b\u9762\u7684\u622a\u56fe\u5c55\u793a\u4e86\u8fd9\u4e2a\u8f93\u51fa\u5185\u5bb9\u4e0d\u4ec5\u88ab\u5199\u5165\u00a0<code>output.txt<\/code>\u00a0\u6587\u4ef6\uff0c\u4e5f\u88ab\u663e\u793a\u5728\u6807\u51c6\u8f93\u51fa\u4e2d\u3002<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/123.57.164.21\/wp-content\/uploads\/2022\/08\/image-30.png\" alt=\"\" class=\"wp-image-7022\" width=\"530\" height=\"350\" srcset=\"https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/image-30.png 627w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/image-30-300x199.png 300w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/image-30-230x152.png 230w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/image-30-350x232.png 350w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/image-30-480x318.png 480w\" sizes=\"(max-width: 530px) 100vw, 530px\" \/><\/figure><\/div>\n\n\n\n<p>\u5982\u4f55\u786e\u4fdd tee \u547d\u4ee4\u8ffd\u52a0\u4fe1\u606f\u5230\u6587\u4ef6\u4e2d\uff1f \u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u5728\u540c\u4e00\u4e2a\u6587\u4ef6\u4e0b\u518d\u6b21\u4f7f\u7528\u00a0<code>tee<\/code>\u00a0\u547d\u4ee4\u4f1a\u8986\u76d6\u4e4b\u524d\u7684\u4fe1\u606f\u3002\u5982\u679c\u4f60\u60f3\u7684\u8bdd\uff0c\u53ef\u4ee5\u901a\u8fc7\u00a0<code>-a<\/code>\u00a0\u547d\u4ee4\u9009\u9879\u6539\u53d8\u9ed8\u8ba4\u8bbe\u7f6e\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\"> [command] | tee -a [file]\n<\/pre>\n\n\n\n<p><strong>\u8bfe\u5802\u7ec3\u4e60\u53ca\u53c2\u8003\u7b54\u6848<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<p>cat \/etc\/hosts\u00a0 aa bb cc \u5b8c\u6210\u5982\u4e0b\u9700\u6c42<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">1)\t\u5411\u7ec8\u7aef\u663e\u793a\u8f93\u51fa\u5e76\u5ffd\u7565\u6240\u6709\u9519\u8bef\uff1acat  \/etc\/hosts  aa  bb  cc   2>\/dev\/null\n2)\t\u5c06\u6807\u51c6\u8f93\u51fa\u53d1\u9001\u5230\u6587\u4ef6f1\uff1b\u5c06\u9519\u8bef\u53d1\u9001\u5230\u53e6\u4e00\u4e2a\u6587\u4ef6f2\uff1acat  \/etc\/hosts  aa  bb  cc  >f1  2>f2\n3)\t\u5c06\u6807\u51c6\u8f93\u51fa\u548c\u9519\u8bef\u53d1\u9001\u5230\u540c\u4e00\u4e2a\u6587\u4ef6f2\uff0c\u4e14\u4fdd\u7559\u539f\u6587\u4ef6\u5185\u5bb9\ncat  \/etc\/hosts  aa  bb  cc   >>f2    2>&amp;1\n4)\t\u5c06f1\u6587\u4ef6\u548cf2\u6587\u4ef6\u4e2d\u7684\u5185\u5bb9\u8fde\u63a5\u52301\u4e2a\u65b0\u6587\u4ef6f3\uff1acat  f1  f2  >f3\n<\/pre>\n\n\n\n<p><strong>Vim\uff08vi improved\uff09\u7f16\u8f91\u5668\uff1a\u662fvi\u7f16\u8f91\u5668\u7684\u6539\u8fdb\u7248\uff0c\u517c\u5bb9vi\u6307\u4ee4\uff0c\u8bed\u6cd5\u9ad8\u4eae\u3002<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<ul><li>Vim\u7ba1\u7406\u6a21\u5f0f\uff1a\u547d\u4ee4\u6a21\u5f0f\uff0c\u7f16\u8f91\u6a21\u5f0f\uff0c\u6269\u5c55\u6a21\u5f0f\uff08\u672b\u884c\u6a21\u5f0f\uff09\uff0c\u53ef\u89c6\u6a21\u5f0f<\/li><\/ul>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/123.57.164.21\/wp-content\/uploads\/2022\/08\/1-17.png\" alt=\"\" class=\"wp-image-7003\" width=\"338\" height=\"174\" srcset=\"https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/1-17.png 509w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/1-17-300x154.png 300w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/1-17-230x118.png 230w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/1-17-350x180.png 350w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/1-17-480x247.png 480w\" sizes=\"(max-width: 338px) 100vw, 338px\" \/><\/figure><\/div>\n\n\n\n<ul><li>\u547d\u4ee4\u6a21\u5f0f\u6309\u952e\u8bf4\u660e<\/li><\/ul>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/123.57.164.21\/wp-content\/uploads\/2022\/08\/1-18.png\" alt=\"\" class=\"wp-image-7004\" width=\"432\" height=\"100\" srcset=\"https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/1-18.png 915w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/1-18-300x69.png 300w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/1-18-768x177.png 768w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/1-18-830x191.png 830w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/1-18-230x53.png 230w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/1-18-350x81.png 350w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/1-18-480x111.png 480w\" sizes=\"(max-width: 432px) 100vw, 432px\" \/><\/figure><\/div>\n\n\n\n<ul><li>\u7f16\u8f91\u6a21\u5f0f\uff1a\u547d\u4ee4\u6a21\u5f0f\u4e2d\u4f7f\u7528\u5b57\u6bcd i \u8fdb\u5165<\/li><\/ul>\n\n\n\n<ul><li>\u672b\u884c\u6a21\u5f0f\uff1a\u547d\u4ee4\u6a21\u5f0f\u4e2d\u4f7f\u7528\u5192\u53f7\u8fdb\u5165\uff1b\u4e0b\u8868\u4e3a\u672b\u884c\u6a21\u5f0f\u64cd\u4f5c<\/li><\/ul>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/123.57.164.21\/wp-content\/uploads\/2022\/08\/1-19.png\" alt=\"\" class=\"wp-image-7005\" width=\"413\" height=\"147\" srcset=\"https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/1-19.png 689w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/1-19-300x107.png 300w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/1-19-230x82.png 230w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/1-19-350x124.png 350w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/1-19-480x171.png 480w\" sizes=\"(max-width: 413px) 100vw, 413px\" \/><\/figure><\/div>\n\n\n\n<ul><li>\u53ef\u89c6\u6a21\u5f0f\uff1a\u547d\u4ee4\u6a21\u5f0f\u4e2d\u4f7f\u7528\u5b57\u6bcd v \u8fdb\u5165\u540e\uff0c\u4f7f\u7528\u4e0a\u4e0b\u5de6\u53f3\u952e\u79fb\u52a8<\/li><\/ul>\n\n\n\n<ul><li>\u53ef\u89c6\u6a21\u5f0f\u5305\u542b\uff1a\u5b57\u7b26\u6a21\u5f0f\uff08v\uff09\uff1b\u884c\u6a21\u5f0f\uff08shift+v\uff09\uff1b\u5757\u6a21\u5f0f\uff08ctrl+v\uff09\uff1b\u5c4f\u5e55\u5e95\u90e8\u5206\u522b\u663e\u793aVISUAL\uff1bVISUAL LINE\uff1bVISUAL BLOCK<\/li><\/ul>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/123.57.164.21\/wp-content\/uploads\/2022\/08\/1-20.png\" alt=\"\" class=\"wp-image-7006\" width=\"458\" height=\"130\" srcset=\"https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/1-20.png 717w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/1-20-300x85.png 300w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/1-20-230x65.png 230w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/1-20-350x99.png 350w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/1-20-480x136.png 480w\" sizes=\"(max-width: 458px) 100vw, 458px\" \/><\/figure><\/div>\n\n\n\n<p><strong>\u8bfe\u5802\u7ec3\u4e60\u53ca\u53c2\u8003\u7b54\u6848<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">1)\t\u7528\u6237\u5bb6\u76ee\u5f55\u4e0b\u6267\u884cls -al\u547d\u4ee4\u5c06\u6240\u6709\u5185\u5bb9\u91cd\u5b9a\u5411\u5230\u540d\u4e3atest\u6587\u4ef6\u4e2d\nls  -al   >test\n2)\tvim\u7f16\u8f91\u6587\u4ef6test\uff0c\u663e\u793a\u884c\u53f7\nvim  test\u540e\u4f7f\u7528shift\u5192\u53f7\u8fdb\u5165\u6269\u5c55\u6a21\u5f0f\uff0c\u8f93\u5165 :set  number\u56de\u8f66\u5373\u53ef\n3)\t\u53ef\u89c6\u5316\u6a21\u5f0f\u7684\u884c\u6a21\u5f0f\u5220\u9664\u524d\u4e09\u884c\nshift+v\u8fdb\u5165\u53ef\u89c6\u5316\u7684\u884c\u6a21\u5f0f\uff0c\u9009\u4e2d\u5220\u9664\u5185\u5bb9\u540e\uff0cx\u5220\u9664\n4)\t\u53ef\u89c6\u5316\u6a21\u5f0f\u7684\u5b57\u7b26\u6a21\u5f0f\u5220\u9664\u7b2c\u4e00\u884c\u7b2c\u4e00\u5217\u70b9\u540e\u9762\u7684\u6240\u6709\u5b57\u7b26\nv\u8fdb\u5165\u53ef\u89c6\u5316\u6a21\u5f0f\u7684\u5b57\u7b26\u6a21\u5f0f\uff0c\u9009\u4e2d\u5220\u9664\u5185\u5bb9\u540e\uff0cx\u5220\u9664\n5)\t\u53ef\u89c6\u5316\u6a21\u5f0f\u7684\u5757\u6a21\u5f0f\u5220\u9664\u7b2c\u4e8c\u884c\u5230\u6700\u540e\u4e00\u884c\u7684\u7b2c\u4e00\u5217\uff08\u4e0d\u542b\u70b9\uff09\nctrl+v\u8fdb\u5165\u53ef\u89c6\u5316\u7684\u5757\u6a21\u5f0f\uff0c\u9009\u4e2d\u5220\u9664\u5185\u5bb9\u540e\uff0cx\u5220\u9664\n6)\t\u5220\u9664\u6708\u4efd\u6240\u5728\u5217\uff0c\u4fdd\u5b58\u9000\u51fa\nctrl+v\u8fdb\u5165\u53ef\u89c6\u5316\u7684\u5757\u6a21\u5f0f\uff0c\u9009\u4e2d\u5220\u9664\u5185\u5bb9\u540e\uff0cx\u5220\u9664\n7)\t\u4f7f\u7528\u590d\u5236\u65b9\u6cd5\u4e3a\u6587\u4ef6test\u505a\u5907\u4efd\uff0c\u65b0\u6587\u4ef6\u540d\u5728\u539f\u6587\u4ef6\u540d\u540e\u9762\u52a0\u65e5\u671f\u7684\u79d2\u6570\u3002\u63d0\u793a\uff1a%s\ncp  test  test$(date  +%s)\n8)\t\u5728\u539f\u6587\u4ef6test\u4e2d\u9644\u52a01\u6761\u865a\u7ebf\uff0c\u865a\u7ebf\u4e2d\u5305\u542b15\u4e2a\u77ed\u5212\u7ebf---------------\necho  \u201c---------------\u201d  >>test\n9)\t 1\u6761\u547d\u4ee4\u5c06tmp\u76ee\u5f55\u5217\u8868\u9644\u52a0\u5230\u6587\u4ef6test\uff0c\u540c\u65f6\u5c06tmp\u5217\u8868\u9644\u52a0\u5230\u4e00\u4e2a\u6587\u4ef6file\u4e2d\uff0c\u4e14\u5728\u5c4f\u5e55\u663e\u793a\u6700\u540e2\u884c\n ls \/tmp | tee -a test | tee file | tail -n 2\n<\/pre>\n\n\n\n<p><strong>\u7528\u6237\u8d26\u6237\u548c\u7ec4\u6982\u5ff5<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<ul type=\"1\"><li>\u7528\u6237\u8d26\u6237\u6982\u5ff5\uff1a\u7528\u4e8e\u5728\u8fd0\u884c\u547d\u4ee4\u7684\u4e0d\u540c\u4eba\u5458\u548c\u7a0b\u5e8f\u4e4b\u95f4\u63d0\u4f9b\u5b89\u5168\u754c\u9650\uff1b\u6807\u8bc6UID<\/li><li>\u7528\u6237\u8d26\u6237\u7684\u7c7b\u578b\uff1a\u8d85\u7ea7\u7528\u6237\uff0c\u7cfb\u7edf\u7528\u6237\uff0c\u666e\u901a\u7528\u6237<\/li><li>\u8d85\u7ea7\u7528\u6237\u8d26\u6237\uff1a\u7528\u4e8e\u7ba1\u7406\u7cfb\u7edf\uff1b\u8d85\u7ea7\u7528\u6237\u7684\u540d\u79f0root\uff1bUID=0\uff1b\u5bf9\u7cfb\u7edf\u5177\u6709\u5b8c\u5168\u8bbf\u95ee\u6743\u9650\u3002<\/li><li>\u7cfb\u7edf\u7528\u6237\u8d26\u6237\uff1a\u63d0\u4f9b\u670d\u52a1\u8fdb\u7a0b\u4f7f\u7528\uff1b\u8fdb\u7a0b\u6216\u5b88\u62a4\u8fdb\u7a0b\u901a\u5e38\u4e0d\u9700\u8981\u4ee5\u8d85\u7ea7\u7528\u6237\u8eab\u4efd\u8fd0\u884c<\/li><li>\u666e\u901a\u7528\u6237\u8d26\u6237\uff1a\u7528\u4e8e\u5904\u7406\u65e5\u5e38\u5de5\u4f5c\uff0c\u5bf9\u7cfb\u7edf\u5177\u6709\u6709\u9650\u7684\u8bbf\u95ee\u6743\u9650\uff1bUID=>1000<\/li><li>\/etc\/passwd\u6587\u4ef6\u5b58\u50a8\u672c\u5730\u7528\u6237\u4fe1\u606f<\/li><\/ul>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/123.57.164.21\/wp-content\/uploads\/2022\/08\/1-21-1024x79.png\" alt=\"\" class=\"wp-image-7008\" width=\"602\" height=\"45\" srcset=\"https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/1-21-1024x79.png 1024w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/1-21-300x23.png 300w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/1-21-768x59.png 768w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/1-21-830x64.png 830w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/1-21-230x18.png 230w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/1-21-350x27.png 350w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/1-21-480x37.png 480w\" sizes=\"(max-width: 602px) 100vw, 602px\" \/><\/figure><\/div>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\"> \u8be5\u7528\u6237\u7684\u7528\u6237\u540d\n \u56fa\u5b9a\u503cx\n \u8be5\u7528\u6237\u8d26\u6237\u7684UID\n \u8be5\u7528\u6237\u8d26\u6237\u7684GID\n \u8be5\u7528\u6237\u8d26\u6237\u7684\u63cf\u8ff0\u4fe1\u606f\n \u8be5\u7528\u6237\u8d26\u6237\u7684\u4e3b\u76ee\u5f55\n \u8be5\u7528\u6237\u7684\u9ed8\u8ba4shell\u7a0b\u5e8f\uff0c\u767b\u5f55\u65f6\u8fd0\u884c\/bin\/bash\n<\/pre>\n\n\n\n<p><strong>\u7ec4\u6982\u5ff5<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<ul><li>\u5171\u4eab\u6587\u4ef6\u548c\u5176\u5b83\u7cfb\u7edf\u8d44\u6e90\u8bbf\u95ee\u6743\u9650\u7684\u7528\u6237\u96c6\u5408\uff1b\u6807\u8bc6GID<\/li><li>\/etc\/group \u6587\u4ef6\u5b58\u50a8\u672c\u5730\u7528\u6237\u7ec4\u4fe1\u606f<\/li><\/ul>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/123.57.164.21\/wp-content\/uploads\/2022\/08\/1-22-1024x114.png\" alt=\"\" class=\"wp-image-7010\" width=\"619\" height=\"69\" srcset=\"https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/1-22-1024x114.png 1024w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/1-22-300x33.png 300w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/1-22-768x85.png 768w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/1-22-830x92.png 830w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/1-22-230x26.png 230w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/1-22-350x39.png 350w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/1-22-480x53.png 480w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/1-22.png 1053w\" sizes=\"(max-width: 619px) 100vw, 619px\" \/><\/figure><\/div>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\"> \u8be5\u7ec4\u7684\u7ec4\u540d\u79f0\n \u56fa\u5b9a\u503cx\n \u8be5\u7ec4\u7684GID\n \u5c5e\u4e8e\u4f5c\u4e3a\u9644\u5c5e\u7ec4\u7684\u8be5\u7ec4\u6210\u5458\u7684\u7528\u6237\u5217\u8868\n<\/pre>\n\n\n\n<ul><li>\u4e3b\u8981\u7ec4\u548c\u9644\u5c5e\u7ec4<\/li><\/ul>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/123.57.164.21\/wp-content\/uploads\/2022\/08\/1-23-1024x121.png\" alt=\"\" class=\"wp-image-7011\" width=\"635\" height=\"74\" srcset=\"https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/1-23-1024x121.png 1024w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/1-23-300x35.png 300w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/1-23-768x91.png 768w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/1-23-1536x181.png 1536w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/1-23-830x98.png 830w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/1-23-230x27.png 230w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/1-23-350x41.png 350w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/1-23-480x57.png 480w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/1-23.png 1625w\" sizes=\"(max-width: 635px) 100vw, 635px\" \/><\/figure><\/div>\n\n\n\n<p><strong>\u83b7\u53d6\u8d85\u7ea7\u7528\u6237\u8bbf\u95ee\u6743\u9650<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\u7528\u6237\u5207\u6362\nsu \u65b9\u5f0f\uff1a\u542f\u52a8\u975e\u767b\u5f55shell\uff0c\u4ec5\u4ee5\u8be5\u7528\u6237\u8eab\u4efd\u542f\u52a8shell\uff0c\u4f7f\u7528\u539f\u59cb\u7528\u6237\u7684\u73af\u5883\u8bbe\u7f6e\nsu - \u65b9\u5f0f\uff1a\u542f\u52a8\u767b\u5f55shell\uff0c\u5c06shell\u73af\u5883\u8bbe\u7f6e\u4e3a\u5982\u540c\u4f7f\u7528\u8be5\u7528\u6237\u8eab\u4efd\u91cd\u65b0\u767b\u5f55\u4e00\u6837\nsudo \u547d\u4ee4\nsudo \u8981\u6c42\u7528\u6237\u8f93\u5165\u81ea\u5df1\u7684\u5bc6\u7801\u8fdb\u884c\u8eab\u4efd\u9a8c\u8bc1\n\u6267\u884csudo\u9700\u8981\u914d\u7f6esudo\u7684\u914d\u7f6e\u6587\u4ef6\n<\/pre>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/123.57.164.21\/wp-content\/uploads\/2022\/08\/1-24.png\" alt=\"\" class=\"wp-image-7012\" width=\"478\" height=\"161\" srcset=\"https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/1-24.png 606w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/1-24-300x101.png 300w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/1-24-230x77.png 230w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/1-24-350x118.png 350w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/1-24-480x162.png 480w\" sizes=\"(max-width: 478px) 100vw, 478px\" \/><\/figure><\/div>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/123.57.164.21\/wp-content\/uploads\/2022\/08\/1-25-1024x164.png\" alt=\"\" class=\"wp-image-7013\" width=\"487\" height=\"77\" srcset=\"https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/1-25-1024x164.png 1024w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/1-25-300x48.png 300w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/1-25-768x123.png 768w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/1-25-830x133.png 830w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/1-25-230x37.png 230w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/1-25-350x56.png 350w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/1-25-480x77.png 480w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/1-25.png 1463w\" sizes=\"(max-width: 487px) 100vw, 487px\" \/><\/figure><\/div>\n\n\n\n<p><strong>\u914d\u7f6esudo<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\u65b9\u6cd51\uff1a\u4f7f\u7528visudo\u6216\u8005vim\u4fee\u6539sudo\u914d\u7f6e\u6587\u4ef6\uff0c\u4f4d\u7f6e\uff1a\/etc\/sudoers\n\u65b9\u6cd52\uff1a\u4f7f\u7528vim\u5728\/etc\/sudoer.d\u76ee\u5f55\u4e2d\u6dfb\u52a0\u9700\u8981\u63d0\u5347\u6743\u9650\u7684\u7528\u6237\u6587\u4ef6\n<\/pre>\n\n\n\n<p><strong>\u521b\u5efa\u7528\u6237\uff1auseradd\u00a0 username<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<ul type=\"1\"><li>\u521b\u5efa\u65b0\u7528\u6237\u65f6\u5728\/home\u76ee\u5f55\u4e2d\u81ea\u52a8\u521b\u5efa1\u4e2a\u548c\u8be5\u7528\u6237\u540c\u540d\u7684\u76ee\u5f55\u4f5c\u4e3a\u8be5\u7528\u6237\u7684\u5bb6\u76ee\u5f55<\/li><li>\u521b\u5efa\u65b0\u7528\u6237\u65f6\u5728\/etc\/passwd\u6587\u4ef6\u548c\/etc\/shadow\u6587\u4ef6\u4e2d\u81ea\u52a8\u6dfb\u52a0\u65b0\u7528\u6237\u4fe1\u606f<\/li><li>\u521b\u5efa\u65b0\u7528\u6237\u65f6\u5728\/var\/spool\/mail \u76ee\u5f55\u4e2d\u521b\u5efa1\u4e2a\u548c\u8be5\u7528\u6237\u540c\u540d\u7684\u6587\u4ef6\u4f5c\u4e3a\u8be5\u7528\u6237\u7684\u90ae\u7bb1\u6587\u4ef6<\/li><li>\u521b\u5efa\u65b0\u7528\u6237\u65f6\u81ea\u52a8\u521b\u5efa1\u4e2a\u548c\u8be5\u7528\u6237\u540c\u540d\u7684\u7ec4\u4f5c\u4e3a\u8be5\u7528\u6237\u7684\u4e3b\u8981\u7ec4<\/li><\/ul>\n\n\n\n<p><strong>\u73b0\u6709\u7528\u6237\u4fee\u6539\uff1ausermod\u00a0\u00a0 \u53ef\u9009\u9879\u00a0 \u7528\u6237\u540d<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/123.57.164.21\/wp-content\/uploads\/2022\/08\/1-26.png\" alt=\"\" class=\"wp-image-7016\" width=\"536\" height=\"233\" srcset=\"https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/1-26.png 768w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/1-26-300x130.png 300w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/1-26-230x100.png 230w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/1-26-350x152.png 350w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/1-26-480x209.png 480w\" sizes=\"(max-width: 536px) 100vw, 536px\" \/><\/figure><\/div>\n\n\n\n<p><strong>\u5220\u9664\u7528\u6237\uff1auserdel\u00a0\u00a0 \u53ef\u9009\u9879\u00a0\u00a0 \u7528\u6237\u540d<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/123.57.164.21\/wp-content\/uploads\/2022\/08\/1-27.png\" alt=\"\" class=\"wp-image-7024\" width=\"515\" height=\"78\" srcset=\"https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/1-27.png 868w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/1-27-300x46.png 300w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/1-27-768x117.png 768w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/1-27-830x126.png 830w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/1-27-230x35.png 230w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/1-27-350x53.png 350w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/1-27-480x73.png 480w\" sizes=\"(max-width: 515px) 100vw, 515px\" \/><\/figure><\/div>\n\n\n\n<p>\u6ce8\u610f\uff1auserdel\u00a0 \u7528\u6237\u540d\uff1a\u5c06\u4fdd\u7559\u7528\u6237\u7684\u4e3b\u76ee\u5f55\uff0c\u540c\u65f6\u7cfb\u7edf\u5c06\u56de\u6536\u672a\u5206\u914d\u7684UID\uff0c\u5177\u6709\u672a\u5206\u914dUID\u7684\u6240\u62e5\u6709\u6587\u4ef6\uff1b\u5982\u679c\u672a\u5206\u914d\u7684UID\u5206\u914d\u7ed9\u4e86\u65b0\u7528\u6237\uff0c\u90a3\u4e48\u65b0\u7528\u6237\u5c06\u62e5\u6709\u88ab\u5220\u9664\u7528\u6237\u6587\u4ef6\u7684\u6240\u6709\u6743\uff01<\/p>\n\n\n\n<p><strong>\u521b\u5efa\u672c\u5730\u7ec4\uff1agroupadd\u00a0\u00a0 [\u9009\u9879]\u00a0 \u7ec4\u540d<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/123.57.164.21\/wp-content\/uploads\/2022\/08\/image-31.png\" alt=\"\" class=\"wp-image-7025\" width=\"480\" height=\"60\" srcset=\"https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/image-31.png 480w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/image-31-300x38.png 300w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/image-31-230x29.png 230w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/image-31-350x44.png 350w\" sizes=\"(max-width: 480px) 100vw, 480px\" \/><\/figure><\/div>\n\n\n\n<p><strong>\u4fee\u6539\u672c\u5730\u7ec4\uff1agroupmod\u00a0 [\u9009\u9879]\u00a0 \u7ec4\u540d<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"478\" height=\"60\" src=\"http:\/\/123.57.164.21\/wp-content\/uploads\/2022\/08\/image-32.png\" alt=\"\" class=\"wp-image-7026\" srcset=\"https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/image-32.png 478w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/image-32-300x38.png 300w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/image-32-230x29.png 230w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/image-32-350x44.png 350w\" sizes=\"(max-width: 478px) 100vw, 478px\" \/><\/figure><\/div>\n\n\n\n<p><strong>\u5220\u9664\u672c\u5730\u7ec4\uff1agroupdel [\u9009\u9879] \u7ec4\u540d\uff1b<span class=\"has-inline-color has-vivid-red-color\">\u5982\u679c\u7ec4\u662f\u4efb\u4f55\u73b0\u6709\u7528\u6237\u7684\u4e3b\u8981\u7ec4\u5219\u65e0\u6cd5\u5220\u9664<\/span><\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<p><strong>\u7ec4\u7ba1\u7406\u547d\u4ee4\uff1agpasswd<\/strong><\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/123.57.164.21\/wp-content\/uploads\/2022\/08\/1-28-1024x352.png\" alt=\"\" class=\"wp-image-7028\" width=\"418\" height=\"143\" srcset=\"https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/1-28-1024x352.png 1024w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/1-28-300x103.png 300w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/1-28-768x264.png 768w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/1-28-830x286.png 830w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/1-28-230x79.png 230w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/1-28-350x120.png 350w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/1-28-480x165.png 480w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/1-28.png 1456w\" sizes=\"(max-width: 418px) 100vw, 418px\" \/><\/figure><\/div>\n\n\n\n<p><strong>\u8bfe\u5802\u7ec3\u4e60\u53ca\u53c2\u8003\u7b54\u6848<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">1)\t\u521b\u5efa\u65b0\u7528\u6237u1\uff0cu2\uff0cu3\uff0cu4\uff0c\u5bc6\u7801\u5747\u4e3aredhat123\n[root@localhost ~]# useradd u1\n[root@localhost ~]# useradd u2\n[root@localhost ~]# useradd u3\n[root@localhost ~]# useradd u4\n[root@localhost ~]# echo redhat123 | passwd --stdin u1\n[root@localhost ~]# echo redhat123 | passwd --stdin u2\n[root@localhost ~]# echo redhat123 | passwd --stdin u3\n[root@localhost ~]# echo redhat123 | passwd --stdin u4\n2)\t\u4fee\u6539\u914d\u7f6e\u6587\u4ef6\u7684\u65b9\u5f0f\u8d4b\u4e88\u7528\u6237u1\u6240\u6709\u547d\u4ee4\u6743\u9650\u4e14\u514d\u5bc6\n[root@localhost ~]# echo \"u1 ALL=(ALL) NOPASSWD: ALL\" >>\/etc\/sudoers\n3)\t\u5728\/etc\/sudoers.d\/\u76ee\u5f55\u4e2d\u6dfb\u52a0\u6587\u4ef6\u8d4b\u4e88\u7528\u6237u2\u6240\u6709\u547d\u4ee4\u6743\u9650\u4e14\u4e0d\u514d\u5bc6\n[root@localhost ~]# echo \"u2 ALL=(ALL) ALL\" >>\/etc\/sudoers.d\/u2\n4)\t\u4f7f\u7528u1\u7528\u6237\u521b\u5efa2\u4e2a\u65b0\u7ec4\uff1agroup1\uff0cGID=30000\uff1bgroup2\n[u1@localhost ~]$ sudo groupadd -g 30000 group1\n[u1@localhost ~]$ sudo groupadd group2\n5)\t\u4f7f\u7528u2\u7528\u6237\u5c06u1\u6dfb\u52a0\u5230group1\u548cgroup2\uff0cu2\u548cu3\u6dfb\u52a0\u5230group1\n[u2@localhost ~]$ sudo usermod -aG \"group1,group2\" u1\n[u2@localhost ~]$ sudo usermod -aG group1 u2\n[u2@localhost ~]$ sudo usermod -aG group1 u3\n6)\t\u4f7f\u7528root\u7528\u6237\u5c06\u7ec4group1\u73b0\u5728\u548c\u672a\u6765\u7684\u7ec4\u6210\u5458\u53ef\u4ee5\u4f7f\u7528\u7684\u547d\u4ee4\u6743\u9650\u8bbe\u7f6e\u4e3aALL\uff0c\u7528u3\u9a8c\u8bc1\n[root@localhost ~]# echo \"%group1 ALL=(ALL) ALL\">> \/etc\/sudoers\n[root@localhost ~]# su - u3\n[u3@localhost ~]$ sudo cat \/etc\/shadow\n7)\t\u8bbe\u7f6e\u7528\u6237u4\u662f\u7ec4group1\u548cgroup2\u7684\u7ba1\u7406\u5458\uff0c\u4f7f\u7528\u7528\u6237u4\u5c06group1\u548cgroup2\u7684\u7ec4\u6210\u5458\u6e05\u7a7a\n[root@localhost ~]# gpasswd -A u4 group1\n[root@localhost ~]# gpasswd -A u4 group2\n[root@localhost ~]# su - u4\n[u4@localhost ~]$ gpasswd -d u1 group1\n[u4@localhost ~]$ gpasswd -d u2 group1\n[u4@localhost ~]$ gpasswd -d u3 group1\n[u4@localhost ~]$ gpasswd -d u1 group2\n8)\t\u5b8c\u6210\u4e0a\u8ff0\u5b9e\u9a8c\u540e\uff0c\u4f7f\u7528root\u7528\u6237\u5220\u9664\u6240\u6709\u65b0\u5efa\u7684\u7528\u6237\uff0c\u7ec4\u4ee5\u53casudo\u547d\u4ee4\u63d0\u6743\u914d\u7f6e\n[root@localhost ~]# userdel -rf u1\n[root@localhost ~]# userdel -rf u2\n[root@localhost ~]# userdel -rf u3\n[root@localhost ~]# userdel -rf u4\n[root@localhost ~]# groupdel group1\n[root@localhost ~]# groupdel group2\n[root@localhost ~]# rm -f \/etc\/sudoers.d\/u2\n[root@localhost ~]# vim \/etc\/sudoers  \u7136\u540e\u5220\u9664\u5982\u4e0b\u4fe1\u606f\u540e\uff0c\u4fdd\u5b58\u9000\u51fa\n<\/pre>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/123.57.164.21\/wp-content\/uploads\/2022\/08\/image-33.png\" alt=\"\" class=\"wp-image-7030\" width=\"196\" height=\"32\" srcset=\"https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/image-33.png 254w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/image-33-230x37.png 230w\" sizes=\"(max-width: 196px) 100vw, 196px\" \/><\/figure><\/div>\n\n\n\n<p><strong>\u7ba1\u7406\u7528\u6237\u5bc6\u7801<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<ul><li>\u914d\u7f6e\u6587\u4ef6\/etc\/shadow\u4ecb\u7ecd<\/li><\/ul>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/123.57.164.21\/wp-content\/uploads\/2022\/08\/1-29-1024x74.png\" alt=\"\" class=\"wp-image-7032\" width=\"634\" height=\"46\" srcset=\"https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/1-29-1024x74.png 1024w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/1-29-300x22.png 300w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/1-29-768x56.png 768w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/1-29-830x60.png 830w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/1-29-230x17.png 230w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/1-29-350x25.png 350w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/1-29-480x35.png 480w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/1-29.png 1172w\" sizes=\"(max-width: 634px) 100vw, 634px\" \/><\/figure><\/div>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">a)\t3\u53f7\uff1a\u4e0a\u6b21\u66f4\u6539\u5bc6\u7801\u7684\u65e5\u671f\u8ddd\u79bb1970-1-1\u7684\u5929\u6570\uff0c\u6309UTC\u65f6\u533a\u8ba1\u7b97\nb)\t4\u53f7\uff1a\u4e0a\u6b21\u66f4\u6539\u5bc6\u7801\u5230\u53ef\u4ee5\u518d\u6b21\u66f4\u6539\u5bc6\u7801\u4e4b\u524d\u5fc5\u987b\u7ecf\u8fc7\u7684\u6700\u77ed\u5929\u6570\uff080\u8868\u793a\u53ef\u968f\u65f6\u66f4\u6539\uff09\nc)\t5\u53f7\uff1a\u5728\u5bc6\u7801\u8fc7\u671f\u4e4b\u524d\u4e0d\u8fdb\u884c\u5bc6\u7801\u66f4\u6539\u53ef\u4ee5\u7ecf\u8fc7\u7684\u6700\u957f\u5929\u6570\nd)\t6\u53f7\uff1a\u8b66\u544a\u671f\uff1a\u7528\u6237\u5728\u622a\u81f3\u65e5\u671f\u4e4b\u524d\u767b\u9646\u5230\u8fbe\u8be5\u5929\u6570\u65f6\uff0c\u6536\u5230\u5bc6\u7801\u8fc7\u671f\u8b66\u544a\ne)\t7\u53f7\uff1a\u975e\u6d3b\u52a8\u671f\u3002\u5bc6\u7801\u8fc7\u671f\u540e\uff0c\u6307\u5b9a\u5929\u6570\u5185\u4ecd\u7136\u53ef\u4ee5\u767b\u9646\u3002\u8fc7\u4e86\u8fd9\u4e2a\u65f6\u95f4\uff0c\u8d26\u6237\u88ab\u9501\u5b9a\nf)\t8\u53f7\uff1a\u5bc6\u7801\u8fc7\u671f\u65e5\u671f\u3002\u8ddd\u79bb1970-1-1\u8d77\u7684\u5929\u6570\uff0c\u6309UTC\u65f6\u533a\u8ba1\u7b97\n<\/pre>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/123.57.164.21\/wp-content\/uploads\/2022\/08\/1-30.png\" alt=\"\" class=\"wp-image-7033\" width=\"544\" height=\"205\" srcset=\"https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/1-30.png 978w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/1-30-300x113.png 300w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/1-30-768x290.png 768w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/1-30-830x313.png 830w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/1-30-230x87.png 230w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/1-30-350x132.png 350w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/1-30-480x181.png 480w\" sizes=\"(max-width: 544px) 100vw, 544px\" \/><\/figure><\/div>\n\n\n\n<ul><li>\u52a0\u5bc6\u5bc6\u7801\u7684\u683c\u5f0f\uff1a\u54c8\u5e0c\u7b97\u6cd5\uff1bsalt\uff1b\u52a0\u5bc6\u54c8\u5e0c\uff1b\u6bcf\u6bb5\u4fe1\u606f\u7531$\u7b26\u53f7\u5206\u9694<\/li><\/ul>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/123.57.164.21\/wp-content\/uploads\/2022\/08\/1-31-1024x75.png\" alt=\"\" class=\"wp-image-7034\" width=\"594\" height=\"43\" srcset=\"https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/1-31-1024x75.png 1024w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/1-31-300x22.png 300w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/1-31-768x57.png 768w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/1-31-830x61.png 830w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/1-31-230x17.png 230w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/1-31-350x26.png 350w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/1-31-480x35.png 480w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/1-31.png 1127w\" sizes=\"(max-width: 594px) 100vw, 594px\" \/><\/figure><\/div>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">1)\t\u4f7f\u7528\u7684\u54c8\u5e0c\u7b97\u6cd5\uff1a6\u8868\u793aSHA-512\uff08\u9ed8\u8ba4\uff09\uff1b1\u8868\u793aMD5\uff1b5\u8868\u793aSHA-256\n2)\t\u7528\u4e8e\u52a0\u5bc6\u5bc6\u7801\u7684salt\n3)\t\u7528\u6237\u5bc6\u7801\u52a0\u5bc6\u7684\u54c8\u5e0c\u503c\uff1asalt\u548c\u672a\u52a0\u5bc6\u5bc6\u7801\u7ec4\u5408\u5e76\u52a0\u5bc6\uff0c\u751f\u6210\u52a0\u5bc6\u7684\u5bc6\u7801\u54c8\u5e0c\n4)\t\u4e0d\u540c\u7528\u6237\u4f7f\u7528\u76f8\u540c\u76f8\u540c\uff0c\u751f\u6210\u52a0\u5bc6\u7684\u5bc6\u7801\u54c8\u5e0c\u4e0d\u540c\uff0c\u56e0\u4e3asalt\u4e0d\u540c\n<\/pre>\n\n\n\n<p><strong>chage\u547d\u4ee4\u914d\u7f6e\u5bc6\u7801\u671f\u9650<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/123.57.164.21\/wp-content\/uploads\/2022\/08\/1-33.png\" alt=\"\" class=\"wp-image-7037\" width=\"504\" height=\"162\" srcset=\"https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/1-33.png 817w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/1-33-300x96.png 300w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/1-33-768x246.png 768w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/1-33-230x74.png 230w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/1-33-350x112.png 350w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/1-33-480x154.png 480w\" sizes=\"(max-width: 504px) 100vw, 504px\" \/><\/figure><\/div>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">1)\tchage  -d  0  user\uff1a\u5f3a\u5236\u7528\u6237user\u767b\u5f55\u65f6\u5fc5\u987b\u66f4\u65b0\u5bc6\u7801\n2)\tchage  -E  2021-12-12  user\uff1a\u7528\u6237user\u4e8e2021\u5e7412\u670812\u65e5\u5230\u671f\n3)\t\u8bbe\u7f6e\u5bc6\u7801\u975e\u6d3b\u52a8\u65e5\u671f\u524d\uff0c\u5fc5\u987b\u5148\u8bbe\u7f6e\u5bc6\u7801\u5230\u671f\u65e5   \n<\/pre>\n\n\n\n<ul><li>\u9650\u5236\u8bbf\u95ee<\/li><\/ul>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">1)\tchage\u8bbe\u7f6e\u7528\u6237\u8d26\u6237\u5230\u671f\u65e5\u671f\n2)\tusermod\u547d\u4ee4\u901a\u8fc7-L\u9009\u9879\u9501\u5b9a\u7528\u6237\u8d26\u6237\n3)\tnologin shell\n<\/pre>\n\n\n\n<p><strong>\u6587\u4ef6\u6743\u9650<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<ul><li>\u6587\u4ef6\u5177\u6709\u4e09\u4e2a\u5e94\u7528\u6743\u9650\u7684\u7528\u6237\u7c7b\u522b\uff1a\u6587\u4ef6\u6240\u6709\u8005\uff1b\u6587\u4ef6\u6240\u5c5e\u7ec4\uff1b\u5176\u5b83<\/li><li>\u6743\u9650\u4f18\u5148\u7ea7\uff1a\u7528\u6237\u6743\u9650\u8986\u76d6\u7ec4\u6743\u9650\uff1b\u7ec4\u6743\u9650\u8986\u76d6\u5176\u5b83\u6743\u9650<\/li><\/ul>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/123.57.164.21\/wp-content\/uploads\/2022\/08\/1-34.png\" alt=\"\" class=\"wp-image-7039\" width=\"530\" height=\"124\" srcset=\"https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/1-34.png 865w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/1-34-300x70.png 300w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/1-34-768x180.png 768w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/1-34-830x195.png 830w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/1-34-230x54.png 230w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/1-34-350x82.png 350w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/1-34-480x113.png 480w\" sizes=\"(max-width: 530px) 100vw, 530px\" \/><\/figure><\/div>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/123.57.164.21\/wp-content\/uploads\/2022\/08\/1-35.png\" alt=\"\" class=\"wp-image-7040\" width=\"530\" height=\"56\" srcset=\"https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/1-35.png 589w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/1-35-300x32.png 300w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/1-35-230x24.png 230w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/1-35-350x37.png 350w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/1-35-480x51.png 480w\" sizes=\"(max-width: 530px) 100vw, 530px\" \/><\/figure><\/div>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\u7b2c1\u4e2a\u5b57\u7b26\uff1a\u8868\u793a\u6587\u4ef6\u7c7b\u578b\uff08-\u5e38\u89c4\u6587\u4ef6\uff1bd\u76ee\u5f55\uff1bl\u8f6f\u8fde\u63a5\uff1bb\u548cc\u786c\u4ef6\u8bbe\u5907\uff09\n\u7b2c2\u4e2a\u5b57\u7b26\u5230\u7b2c4\u4e2a\u5b57\u7b26\u4e3a\u4e00\u7ec4\uff1a\u8868\u793a\u6587\u4ef6\u6216\u76ee\u5f55\u6240\u6709\u8005\u7684\u6743\u9650\n\u7b2c5\u4e2a\u5b57\u7b26\u5230\u7b2c7\u4e2a\u5b57\u7b26\u4e3a\u4e00\u7ec4\uff1a\u8868\u793a\u6587\u4ef6\u6216\u76ee\u5f55\u6240\u5c5e\u7ec4\u7684\u6743\u9650\n\u7b2c8\u4e2a\u5b57\u7b26\u5230\u7b2c10\u4e2a\u5b57\u7b26\u4e3a\u4e00\u7ec4\uff1a\u8868\u793a\u5176\u5b83\u7528\u6237\u5bf9\u6587\u4ef6\u6216\u76ee\u5f55\u7684\u6743\u9650\n\u7b2c11\u4f4d\u8868\u793a\u662f\u5426\u6709\u7279\u6b8a\u6743\u9650\n\u7b2c12\u4f4d\u8868\u793a\u786c\u94fe\u63a5\u6570\n<\/pre>\n\n\n\n<p><strong>\u8bfe\u5802\u7ec3\u4e60\u9898\u5982\u56fe<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/123.57.164.21\/wp-content\/uploads\/2022\/08\/1-36.png\" alt=\"\" class=\"wp-image-7041\" width=\"536\" height=\"231\" srcset=\"https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/1-36.png 891w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/1-36-300x130.png 300w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/1-36-768x333.png 768w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/1-36-830x360.png 830w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/1-36-230x100.png 230w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/1-36-350x152.png 350w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/1-36-480x208.png 480w\" sizes=\"(max-width: 536px) 100vw, 536px\" \/><\/figure><\/div>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">1)\t\u54ea\u4e2a\u5e38\u89c4\u6587\u4ef6\u5f52operator1\u6240\u6709\u5e76\u53ef\u88ab\u6240\u6709\u7528\u6237\u8bfb\u53d6\uff1f\n2)\t\u54ea\u4e2a\u6587\u4ef6\u53ef\u4ee5\u88abcontractor1\u7528\u6237\u4fee\u6539\n3)\t\u54ea\u4e2a\u6587\u4ef6\u65e0\u6cd5\u88aboperator2\u7528\u6237\u8bfb\u53d6\uff1f\n4)\t\u54ea\u4e2a\u6587\u4ef6\u7684\u7ec4\u6240\u6709\u8005\u4e3aconsultant1?\n5)\t\u54ea\u4e9b\u6587\u4ef6\u53ef\u4ee5\u88aboperator1\u7528\u6237\u5220\u9664\uff1f\n6)\t\u54ea\u4e9b\u6587\u4ef6\u53ef\u4ee5\u88aboperator2\u7528\u6237\u5220\u9664\uff1f\n\u7b54\u6848\uff1a\u2460 rfile1     \u2461 lfie2      \u2462   rfile2    \u2463  lfile1     \u2464 \u90fd\u53ef\u4ee5      \u2465 \u90fd\u4e0d\u53ef\u4ee5<\/pre>\n\n\n\n<p><strong>\u66f4\u6539\u6587\u4ef6\u548c\u76ee\u5f55\u6743\u9650\uff1a\u7b26\u53f7\u6cd5\u548c\u6570\u503c\u6cd5<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<ul><li>\u7b26\u53f7\u6cd5<\/li><\/ul>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">a)\tu\u4ee3\u8868\u7528\u6237\uff0cg\u4ee3\u8868\u7ec4\uff0co\u4ee3\u8868\u5176\u5b83\uff0ca\u4ee3\u8868\u5168\u90e8\nb)\t+\u4ee3\u8868\u6dfb\u52a0\uff0c-\u4ee3\u8868\u5220\u9664\uff0c=\u4ee3\u8868\u7cbe\u786e\u8bbe\u7f6e\nc)\t-R\u9009\u9879\u4ee5\u9012\u5f52\u65b9\u5f0f\u5bf9\u76ee\u5f55\u53ca\u76ee\u5f55\u4e2d\u7684\u6587\u4ef6\u8bbe\u7f6e\u6743\u9650\n<\/pre>\n\n\n\n<ul><li>\u6570\u503c\u6cd5<\/li><\/ul>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/123.57.164.21\/wp-content\/uploads\/2022\/08\/1-37.png\" alt=\"\" class=\"wp-image-7042\" width=\"502\" height=\"118\" srcset=\"https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/1-37.png 733w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/1-37-300x70.png 300w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/1-37-230x54.png 230w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/1-37-350x82.png 350w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/1-37-480x113.png 480w\" sizes=\"(max-width: 502px) 100vw, 502px\" \/><\/figure><\/div>\n\n\n\n<p><strong>\u66f4\u6539\u6587\u4ef6\u548c\u76ee\u5f55\u7684\u6240\u6709\u8005\u6216\u7ec4\u6240\u6709\u6743<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<ul type=\"1\"><li>\u53ea\u6709root\u7528\u6237\u53ef\u4ee5\u66f4\u6539\u6587\u4ef6\u7684\u6240\u6709\u8005<\/li><li>\u6587\u4ef6\u7ec4\u6240\u6709\u6743\u53ef\u4ee5\u7531root\u7528\u6237\u6216\u8005\u6587\u4ef6\u6240\u6709\u8005\u66f4\u6539<\/li><li>root\u7528\u6237\u53ef\u4ee5\u5c06\u6587\u4ef6\u6240\u6709\u6743\u6388\u4e88\u4efb\u4f55\u7ec4<\/li><li>\u666e\u901a\u7528\u6237\u53ea\u80fd\u5c06\u6587\u4ef6\u6240\u6709\u6743\u6388\u4e88\u666e\u901a\u7528\u6237\u6240\u5c5e\u7684\u7ec4\uff08\u8fd9\u4e2a\u7ec4\u53ef\u4ee5\u662f\u4e3b\u8981\u7ec4\u6216\u9644\u5c5e\u7ec4\uff09<\/li><\/ul>\n\n\n\n<p>\u547d\u4ee4\u683c\u5f0f<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">chown  \u6240\u6709\u8005    \u6587\u4ef6\u6216\u76ee\u5f55\nchown   :\u6240\u5c5e\u7ec4   \u6587\u4ef6\u6216\u76ee\u5f55\nchown  \u6240\u6709\u8005:\u6240\u5c5e\u7ec4  \u6587\u4ef6\u6216\u76ee\u5f55\n\u6ce8\u610f\uff1a\u5efa\u8bae\u4e0d\u8981\u7528. \u66ff\u6362\uff1a\n<\/pre>\n\n\n\n<p><strong>\u8bfe\u5802\u7ec3\u4e60<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">1. root\u7528\u6237\u521b\u5efa\u76ee\u5f55\/home\/shida\u548c1\u4e2a\u540d\u4e3agroup1\u7ec4\n[root@localhost ~]# mkdir \/home\/shida\n[root@localhost ~]# groupadd group1\n2. \u76ee\u5f55\/home\/shida\u6240\u5c5e\u7ec4\u4fee\u6539group1\n[root@localhost ~]# chown :group1 \/home\/shida\/\n3. group1\u7ec4\u6210\u5458\u53ef\u4ee5\u5728\/home\/shida\u76ee\u5f55\u4e2d\u521b\u5efa\u548c\u5220\u9664\u6587\u4ef6\uff0c\u7981\u6b62\u5176\u5b83\u7528\u6237\u8bbf\u95ee\u6587\u4ef6\n[root@localhost ~]# chmod 770 \/home\/shida\/\n4. \u521b\u5efa\u4e24\u4e2a\u65b0\u7528\u6237u1\u548cu2\uff0c\u5bc6\u7801\u90fd\u662fredhat123\uff0cgroup1\u662f\u4e24\u4e2a\u65b0\u7528\u6237\u7684\u9644\u5c5e\u7ec4\n[root@localhost ~]# useradd u1\n[root@localhost ~]# useradd u2\n[root@localhost ~]# echo redhat123 | passwd --stdin u1\n[root@localhost ~]# echo redhat123 | passwd --stdin u2\n[root@localhost ~]# gpasswd -a u1 group1\n[root@localhost ~]# gpasswd -a u2 group1\n5. u1\u7528\u6237\u5728\/home\/shida\u76ee\u5f55\u4e2d\u521b\u5efa\u540d\u4e3au1.txt\u6587\u4ef6\n[u1@localhost ~]$ touch \/home\/shida\/u1.txt\n6. u1\u7528\u6237\u5c06\u6587\u4ef6u1.txt\u6240\u5c5e\u7ec4\u4fee\u6539\u4e3a\u7ec4group1\n[u1@localhost ~]$ chown :group1 \/home\/shida\/u1.txt\n7. \u601d\u8003u2\u7528\u6237\u662f\u5426\u53ef\u4ee5\u5411u1.txt\u6587\u4ef6\u4e2d\u5199\u5165\u5185\u5bb9\n\u53ef\u4ee5\n<\/pre>\n","protected":false},"excerpt":{"rendered":"<p>man page \u672c\u5730\u7cfb\u7edf\u4e0a\u7684\u4e00\u4e2a\u6587\u6863\uff08\u7cfb\u7edf\u624b\u518c\u9875\uff09\uff1b\u4f7f\u7528man\u547d\u4ee4\u8bbf\u95ee \u9605\u8bfbman page \u6807\u51c6\u8f93\u5165\uff0c\u6807\u51c6 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[21],"tags":[],"_links":{"self":[{"href":"https:\/\/92it.top\/index.php?rest_route=\/wp\/v2\/posts\/6964"}],"collection":[{"href":"https:\/\/92it.top\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/92it.top\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/92it.top\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/92it.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=6964"}],"version-history":[{"count":19,"href":"https:\/\/92it.top\/index.php?rest_route=\/wp\/v2\/posts\/6964\/revisions"}],"predecessor-version":[{"id":7043,"href":"https:\/\/92it.top\/index.php?rest_route=\/wp\/v2\/posts\/6964\/revisions\/7043"}],"wp:attachment":[{"href":"https:\/\/92it.top\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=6964"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/92it.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=6964"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/92it.top\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=6964"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}