{"id":49,"date":"2024-03-10T17:17:43","date_gmt":"2024-03-10T09:17:43","guid":{"rendered":"https:\/\/www.cutegameit.com\/linux\/?p=106"},"modified":"2025-02-20T11:46:05","modified_gmt":"2025-02-20T03:46:05","slug":"linux-%e6%8c%87%e4%bb%a4-week-4","status":"publish","type":"post","link":"https:\/\/www.cutexyz.com\/edu\/linux2402\/?p=49","title":{"rendered":"Linux \u6307\u4ee4 Week 4"},"content":{"rendered":"\n<p><strong>W 4-1<\/strong>, <mark style=\"color:#ff0000\" class=\"has-inline-color\"><strong>chmod \u6b0a\u9650\u53c3\u6578 file \/ directory<\/strong><\/mark><br>\u4fee\u6539\u6a94\u6848\u6216\u662f\u76ee\u9304\u7684\u76f8\u95dc\u6b0a\u9650, \u6b0a\u9650\u53c3\u6578\u6709\u5e7e\u7a2e\u4e0d\u540c\u7684\u4f7f\u7528\u65b9\u5f0f, \u8acb\u53c3\u8003\u4ee5\u4e0b\u57f7\u884c\u6307\u4ee4\u7bc4\u4f8b<br>\u53e6\u5916\u6b0a\u9650\u53c3\u6578\u53c3\u8003\u5982\u4e0b, \u56e0\u6b64\u8981\u7d66\u4e88 r \u7684\u6b0a\u9650, \u9664\u4e86\u53ef\u4ee5\u7528 +r \u65b9\u5f0f\u4e4b\u5916\u4e5f\u53ef\u4ee5\u4f7f\u7528 4 \u4f86\u4ee3\u8868.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td class=\"has-text-align-center\" data-align=\"center\">Read ( r )<\/td><td class=\"has-text-align-center\" data-align=\"center\">Write ( w )<\/td><td class=\"has-text-align-center\" data-align=\"center\">Execute ( x )<\/td><td class=\"has-text-align-center\" data-align=\"center\">Description<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">0<\/td><td class=\"has-text-align-center\" data-align=\"center\">0<\/td><td class=\"has-text-align-center\" data-align=\"center\">0<\/td><td class=\"has-text-align-center\" data-align=\"center\">Value for off<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">1<\/td><td class=\"has-text-align-center\" data-align=\"center\">1<\/td><td class=\"has-text-align-center\" data-align=\"center\">1<\/td><td class=\"has-text-align-center\" data-align=\"center\">Binary value for On<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">4<\/td><td class=\"has-text-align-center\" data-align=\"center\">2<\/td><td class=\"has-text-align-center\" data-align=\"center\">1<\/td><td class=\"has-text-align-center\" data-align=\"center\">Decimal value for On<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<pre class=\"wp-block-code has-base-color has-contrast-background-color has-text-color has-background\"><code> \u5c07\u67d0\u500b\u6a94\u6848\u6b0a\u9650\u4fee\u6539\u70ba\u64c1\u6709\u8005, \u6240\u5c6c\u7fa4\u7d44, \u5176\u4ed6\u7528\u6236\u90fd\u53ef\u4ee5\u9032\u884c \u8b80, \u5beb, \u57f7\u884c.\n # chmod 777 filename\n\n \u5c07\u67d0\u500b\u6a94\u6848\u6b0a\u9650\u4fee\u6539\u70ba\u64c1\u6709\u8005\u64c1\u6709\u8b80(4)\u5beb(2)\u6b0a\u9650, \u6240\u5c6c\u7fa4\u7d44\u5247\u50c5\u6709\u8b80(4)\u6b0a\u9650, \n \u800c\u5176\u4ed6\u7528\u6236\u4e5f\u4e00\u6a23\u6709\u8b80(4)\u6b0a\u9650.\n # chmod 644 filename\n\n \u5c07\u67d0\u500b\u6a94\u6848\u6b0a\u9650\u4fee\u6539\u70ba\u64c1\u6709\u64c1\u6709\u8b80(4)\u5beb(2)\u6b0a\u9650, \u6240\u5c6c\u7fa4\u7d44\u8207\u5176\u4ed6\u7528\u6236\u5247\u6c92\u6709\u4efb\u4f55\u6b0a\u9650\n # chmod 600 filename\n\n \u8b8a\u66f4\u6a94\u6848\u64c1\u6709\u8005\u6b0a\u9650\u70ba r w x\n # chmod u=wrx filename\n\n \u8b8a\u66f4\u6a94\u6848\u6240\u5c6c\u7fa4\u7d44\u6b0a\u9650\u70ba r w x\n # chmod g=wrx filename\n\n \u8b8a\u66f4\u6a94\u6848\u7684\u5176\u4ed6\u7528\u6236\u6b0a\u9650\u70ba r w x\n # chmod g=wrx filename\n\n \u589e\u52a0\u6a94\u6848\u64c1\u6709\u8005\u7684\u57f7\u884c\u6b0a\u9650\n # chmod u+x filename\n\n \u79fb\u9664\u6a94\u6848\u64c1\u6709\u8005\u7684\u57f7\u884c\u6b0a\u9650\n # chmod u-x filename<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n\n<p><strong>W 2-6,<\/strong><strong><mark style=\"color:#ff0000\" class=\"has-inline-color\"> sudo chgrp group_name filename \/ directory<\/mark><\/strong><br>\u4fee\u6539\u67d0\u500b\u6a94\u6848\u6216\u662f\u76ee\u9304\u7684\u6240\u5c6c\u7fa4\u7d44<\/p>\n\n\n\n<pre class=\"wp-block-code has-base-color has-contrast-background-color has-text-color has-background\"><code> # sudo chgrp group_name filename \/ firectory\n .......<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n\n<p><strong>W 4-3,<\/strong> <strong><mark style=\"color:#ff0000\" class=\"has-inline-color\">sudo chown user_name:group_name filename \/ directory<\/mark><\/strong><br>\u540c\u6642\u4fee\u6539\u67d0\u500b\u6a94\u6848\u6216\u662f\u76ee\u9304\u7684\u64c1\u6709\u8005\u5e33\u865f\u8207\u6240\u5c6c\u7fa4\u7d44<\/p>\n\n\n\n<pre class=\"wp-block-code has-base-color has-contrast-background-color has-text-color has-background\"><code> # sudo chown user_name:group_name filename \/ directory\n .......<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n\n<p><strong>W 4-4,<\/strong> <strong><mark style=\"color:#ff0000\" class=\"has-inline-color\">sudo apt-get update<\/mark><\/strong><br>\u7cfb\u7d71\u5957\u4ef6\u8cc7\u6599\u5eab\u7684\u66f4\u65b0<\/p>\n\n\n\n<pre class=\"wp-block-code has-base-color has-contrast-background-color has-text-color has-background\"><code> # sudo apt-get update\n .......<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n\n<p><strong>W 4-5,<\/strong> <strong><mark style=\"color:#ff0000\" class=\"has-inline-color\">sudo apt-get upgrade<\/mark><\/strong><br>\u9032\u884c\u7cfb\u7d71\u5167\u5df2\u5b89\u88dd\u5957\u4ef6\u7684\u66f4\u65b0\u4f5c\u696d<\/p>\n\n\n\n<pre class=\"wp-block-code has-base-color has-contrast-background-color has-text-color has-background\"><code> # sudo apt-get upgrade\n .......<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n\n<p><strong>W 4-6,<\/strong> <strong><mark style=\"color:#ff0000\" class=\"has-inline-color\">sudo apt-get install \u5957\u4ef6\u540d\u7a31<\/mark><\/strong><br>\u5b89\u88dd\u5957\u4ef6, \u4e0b\u65b9\u4ee5\u5b89\u88dd apache2 \u4f86\u793a\u7bc4<\/p>\n\n\n\n<pre class=\"wp-block-code has-base-color has-contrast-background-color has-text-color has-background\"><code> # sudo apt-get install apache2\n .......<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n\n<p><strong>W 4-7,<\/strong> <strong><mark style=\"color:#ff0000\" class=\"has-inline-color\">sud apt-get remove \u5957\u4ef6\u540d\u7a31<\/mark><\/strong><br>\u5f9e\u7cfb\u7d71\u4e2d\u79fb\u9664\u67d0\u4e00\u500b\u5957\u4ef6, \u4f46\u76f8\u95dc\u7684\u8a2d\u5b9a\u9ee8\u6703\u4fdd\u7559\u5728\u7cfb\u7d71\u5167, \u5982\u8981\u9023\u8a2d\u5b9a\u6a94\u90fd\u8981\u79fb\u9664\u7684\u8a71, \u9700\u4f7f\u7528 <br>apt-get purge \u5957\u4ef6\u540d\u7a31\u4f86\u9032\u884c\u5b8c\u5168\u7684\u79fb\u9664.<\/p>\n\n\n\n<pre class=\"wp-block-code has-base-color has-contrast-background-color has-text-color has-background\"><code># sudo apt-get remove \/ purge \u5957\u4ef6\u540d\u7a31\n .......<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6a94\u6848\u6b0a\u9650\u8207\u5e33\u865f\u7684\u95dc\u4fc2<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"disable_featured_image":false,"footnotes":""},"categories":[6],"tags":[],"class_list":["post-49","post","type-post","status-publish","format-standard","hentry","category-6"],"_links":{"self":[{"href":"https:\/\/www.cutexyz.com\/edu\/linux2402\/index.php?rest_route=\/wp\/v2\/posts\/49","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.cutexyz.com\/edu\/linux2402\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.cutexyz.com\/edu\/linux2402\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.cutexyz.com\/edu\/linux2402\/index.php?rest_route=\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/www.cutexyz.com\/edu\/linux2402\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=49"}],"version-history":[{"count":1,"href":"https:\/\/www.cutexyz.com\/edu\/linux2402\/index.php?rest_route=\/wp\/v2\/posts\/49\/revisions"}],"predecessor-version":[{"id":50,"href":"https:\/\/www.cutexyz.com\/edu\/linux2402\/index.php?rest_route=\/wp\/v2\/posts\/49\/revisions\/50"}],"wp:attachment":[{"href":"https:\/\/www.cutexyz.com\/edu\/linux2402\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=49"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.cutexyz.com\/edu\/linux2402\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=49"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.cutexyz.com\/edu\/linux2402\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=49"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}