{"id":2840,"date":"2016-02-23T11:22:25","date_gmt":"2016-02-23T03:22:25","guid":{"rendered":"http:\/\/blog.hoyo.idv.tw\/?p=2840"},"modified":"2022-06-25T09:00:10","modified_gmt":"2022-06-25T01:00:10","slug":"%e8%87%aa%e8%a8%82-linux-%e5%91%bd%e4%bb%a4%e6%8f%90%e7%a4%ba%e5%88%97","status":"publish","type":"post","link":"https:\/\/blog.hoyo.idv.tw\/?p=2840","title":{"rendered":"\u81ea\u8a02 Linux \u547d\u4ee4\u63d0\u793a\u5217"},"content":{"rendered":"<p>--<\/p>\n<ul>\n<li><a href=\"http:\/\/www.cyberciti.biz\/tips\/howto-linux-unix-bash-shell-setup-prompt.html\" target=\"_blank\" rel=\"noopener\">How to: Change \/ Setup bash custom prompt (PS1)<\/a><\/li>\n<\/ul>\n<pre class=\"lang:default decode:true\">echo $PS1\r\n[\\u@\\h \\W]\\$<\/pre>\n<p>--<\/p>\n<h2>\u5340\u5206\u4e00\u822c\u4f7f\u7528\u8005\u53ca root<\/h2>\n<p>\u91dd\u5c0d\u6b64\u985e shell \u5fc5\u9808\u5c07\u8a2d\u5b9a\u5beb\u5728 \/etc\/bashrc \u5167\u751f\u6548<\/p>\n<pre class=\"nums:true lang:sh decode:true\"># If id command returns zero, you\u2019ve root access.\r\nif [ $(id -u) -eq 0 ];\r\nthen # you are root, set red colour prompt\r\n  PS1=\"[\\\\u@\\\\h:\\\\W] # \"\r\nelse # normal\r\n  PS1=\"[\\\\u@\\\\h:\\\\w] $ \"\r\nfi<\/pre>\n<p><a href=\"\/\/blog.hoyo.idv.tw\/wp-content\/uploads\/2016\/02\/Image-246.png\" data-rel=\"lightbox-image-0\" data-rl_title=\"\" data-rl_caption=\"\" title=\"\"><img loading=\"lazy\" class=\"alignnone wp-image-2868 size-medium\" src=\"https:\/\/blog.hoyo.idv.tw\/wp-content\/uploads\/2016\/02\/Image-246-300x86.png\" alt=\"Image 246\" width=\"300\" height=\"86\" srcset=\"https:\/\/blog.hoyo.idv.tw\/wp-content\/uploads\/2016\/02\/Image-246-300x86.png 300w, https:\/\/blog.hoyo.idv.tw\/wp-content\/uploads\/2016\/02\/Image-246-500x143.png 500w, https:\/\/blog.hoyo.idv.tw\/wp-content\/uploads\/2016\/02\/Image-246.png 725w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p>\u5982\u679c\u52a0\u4e0a\u984f\u8272\u7b49\u63a7\u5236\u78bc\uff0c\u6703\u9020\u6210\u9577\u6307\u4ee4\u7121\u6cd5\u9806\u5229\u63db\u884c\u7684 bug<\/p>\n<p>--<\/p>\n<div class=\"pvc_clear\"><\/div>\n<p class=\"pvc_stats all \" data-element-id=\"2840\" style=\"\"><i class=\"pvc-stats-icon medium\" aria-hidden=\"true\"><svg aria-hidden=\"true\" focusable=\"false\" data-prefix=\"far\" data-icon=\"chart-bar\" role=\"img\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 512 512\" class=\"svg-inline--fa fa-chart-bar fa-w-16 fa-2x\"><path fill=\"currentColor\" d=\"M396.8 352h22.4c6.4 0 12.8-6.4 12.8-12.8V108.8c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v230.4c0 6.4 6.4 12.8 12.8 12.8zm-192 0h22.4c6.4 0 12.8-6.4 12.8-12.8V140.8c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v198.4c0 6.4 6.4 12.8 12.8 12.8zm96 0h22.4c6.4 0 12.8-6.4 12.8-12.8V204.8c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v134.4c0 6.4 6.4 12.8 12.8 12.8zM496 400H48V80c0-8.84-7.16-16-16-16H16C7.16 64 0 71.16 0 80v336c0 17.67 14.33 32 32 32h464c8.84 0 16-7.16 16-16v-16c0-8.84-7.16-16-16-16zm-387.2-48h22.4c6.4 0 12.8-6.4 12.8-12.8v-70.4c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v70.4c0 6.4 6.4 12.8 12.8 12.8z\" class=\"\"><\/path><\/svg><\/i> &nbsp;1,180&nbsp;total views, &nbsp;1&nbsp;views today<\/p>\n<div class=\"pvc_clear\"><\/div>\n","protected":false},"excerpt":{"rendered":"<p>-- How to: Chan...<\/p>\n<div class=\"pvc_clear\"><\/div>\n<p class=\"pvc_stats all \" data-element-id=\"2840\" style=\"\"><i class=\"pvc-stats-icon medium\" aria-hidden=\"true\"><svg aria-hidden=\"true\" focusable=\"false\" data-prefix=\"far\" data-icon=\"chart-bar\" role=\"img\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 512 512\" class=\"svg-inline--fa fa-chart-bar fa-w-16 fa-2x\"><path fill=\"currentColor\" d=\"M396.8 352h22.4c6.4 0 12.8-6.4 12.8-12.8V108.8c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v230.4c0 6.4 6.4 12.8 12.8 12.8zm-192 0h22.4c6.4 0 12.8-6.4 12.8-12.8V140.8c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v198.4c0 6.4 6.4 12.8 12.8 12.8zm96 0h22.4c6.4 0 12.8-6.4 12.8-12.8V204.8c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v134.4c0 6.4 6.4 12.8 12.8 12.8zM496 400H48V80c0-8.84-7.16-16-16-16H16C7.16 64 0 71.16 0 80v336c0 17.67 14.33 32 32 32h464c8.84 0 16-7.16 16-16v-16c0-8.84-7.16-16-16-16zm-387.2-48h22.4c6.4 0 12.8-6.4 12.8-12.8v-70.4c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v70.4c0 6.4 6.4 12.8 12.8 12.8z\" class=\"\"><\/path><\/svg><\/i> &nbsp;1,180&nbsp;total views, &nbsp;1&nbsp;views today<\/p>\n<div class=\"pvc_clear\"><\/div>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[31],"tags":[],"_links":{"self":[{"href":"https:\/\/blog.hoyo.idv.tw\/index.php?rest_route=\/wp\/v2\/posts\/2840"}],"collection":[{"href":"https:\/\/blog.hoyo.idv.tw\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.hoyo.idv.tw\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.hoyo.idv.tw\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.hoyo.idv.tw\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2840"}],"version-history":[{"count":10,"href":"https:\/\/blog.hoyo.idv.tw\/index.php?rest_route=\/wp\/v2\/posts\/2840\/revisions"}],"predecessor-version":[{"id":10280,"href":"https:\/\/blog.hoyo.idv.tw\/index.php?rest_route=\/wp\/v2\/posts\/2840\/revisions\/10280"}],"wp:attachment":[{"href":"https:\/\/blog.hoyo.idv.tw\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2840"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.hoyo.idv.tw\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2840"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.hoyo.idv.tw\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2840"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}