{"id":44160,"date":"2024-10-06T13:22:11","date_gmt":"2024-10-06T05:22:11","guid":{"rendered":"https:\/\/server.hk\/cnblog\/44160\/"},"modified":"2024-10-06T13:22:12","modified_gmt":"2024-10-06T05:22:12","slug":"centos-%e4%b8%8b-shell-%e9%a1%af%e7%a4%ba-bash-4-1-%e4%b8%8d%e9%a1%af%e7%a4%ba%e7%94%a8%e6%88%b6%e5%90%8d%e8%b7%af%e5%be%91","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/44160\/","title":{"rendered":"CentOS \u4e0b shell \u986f\u793a -bash-4.1$ \u4e0d\u986f\u793a\u7528\u6236\u540d\u8def\u5f91"},"content":{"rendered":"<h1 id=\"centos-%e4%b8%8b-shell-%e9%a1%af%e7%a4%ba-bash-4-1-%e4%b8%8d%e9%a1%af%e7%a4%ba%e7%94%a8%e6%88%b6%e5%90%8d%e8%b7%af%e5%be%91-vYwGvQdCNn\">CentOS \u4e0b shell \u986f\u793a -bash-4.1$ \u4e0d\u986f\u793a\u7528\u6236\u540d\u8def\u5f91<\/h1>\n<p>\u5728\u4f7f\u7528 CentOS \u7cfb\u7d71\u6642\uff0c\u8a31\u591a\u7528\u6236\u6703\u6ce8\u610f\u5230\u9ed8\u8a8d\u7684 shell \u63d0\u793a\u7b26\u986f\u793a\u70ba <code>-bash-4.1$<\/code>\uff0c\u800c\u4e0d\u986f\u793a\u7528\u6236\u540d\u548c\u7576\u524d\u8def\u5f91\u3002\u9019\u7a2e\u60c5\u6cc1\u53ef\u80fd\u6703\u8b93\u4e00\u4e9b\u7528\u6236\u611f\u5230\u56f0\u60d1\uff0c\u56e0\u70ba\u4ed6\u5011\u7121\u6cd5\u5feb\u901f\u8b58\u5225\u7576\u524d\u7684\u7528\u6236\u548c\u5de5\u4f5c\u76ee\u9304\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u89e3\u6c7a\u9019\u4e00\u554f\u984c\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u6709\u7528\u7684\u63d0\u793a\u4f86\u81ea\u5b9a\u7fa9 shell \u63d0\u793a\u7b26\u3002<\/p>\n<h2 id=\"%e7%82%ba%e4%bb%80%e9%ba%bc%e6%8f%90%e7%a4%ba%e7%ac%a6%e4%b8%8d%e9%a1%af%e7%a4%ba%e7%94%a8%e6%88%b6%e5%90%8d%e5%92%8c%e8%b7%af%e5%be%91-vYwGvQdCNn\">\u70ba\u4ec0\u9ebc\u63d0\u793a\u7b26\u4e0d\u986f\u793a\u7528\u6236\u540d\u548c\u8def\u5f91<\/h2>\n<p>\u5728 Linux \u7cfb\u7d71\u4e2d\uff0cshell \u63d0\u793a\u7b26\u7684\u986f\u793a\u65b9\u5f0f\u662f\u7531\u74b0\u5883\u8b8a\u91cf <code>PS1<\/code> \u63a7\u5236\u7684\u3002\u9ed8\u8a8d\u60c5\u6cc1\u4e0b\uff0cCentOS \u7684 bash shell \u53ef\u80fd\u6703\u88ab\u914d\u7f6e\u70ba\u53ea\u986f\u793a\u7248\u672c\u865f\u548c\u7b26\u865f\uff0c\u800c\u4e0d\u986f\u793a\u7528\u6236\u540d\u548c\u7576\u524d\u8def\u5f91\u3002\u9019\u901a\u5e38\u662f\u7531\u65bc\u7cfb\u7d71\u7ba1\u7406\u54e1\u7684\u8a2d\u7f6e\u6216\u7528\u6236\u7684\u500b\u4eba\u914d\u7f6e\u6240\u81f4\u3002<\/p>\n<h2 id=\"%e5%a6%82%e4%bd%95%e8%87%aa%e5%ae%9a%e7%be%a9%e6%8f%90%e7%a4%ba%e7%ac%a6-vYwGvQdCNn\">\u5982\u4f55\u81ea\u5b9a\u7fa9\u63d0\u793a\u7b26<\/h2>\n<p>\u8981\u81ea\u5b9a\u7fa9 bash \u63d0\u793a\u7b26\uff0c\u60a8\u9700\u8981\u4fee\u6539 <code>PS1<\/code> \u8b8a\u91cf\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u898b\u7684\u63d0\u793a\u7b26\u683c\u5f0f\uff1a<\/p>\n<ul>\n<li><code>u<\/code>\uff1a\u986f\u793a\u7528\u6236\u540d<\/li>\n<li><code>h<\/code>\uff1a\u986f\u793a\u4e3b\u6a5f\u540d<\/li>\n<li><code>w<\/code>\uff1a\u986f\u793a\u7576\u524d\u5de5\u4f5c\u76ee\u9304\u7684\u5b8c\u6574\u8def\u5f91<\/li>\n<li><code>$<\/code>\uff1a\u986f\u793a\u63d0\u793a\u7b26\u7b26\u865f\uff08\u666e\u901a\u7528\u6236\u70ba <code>$<\/code>\uff0c\u6839\u7528\u6236\u70ba <code>#<\/code>\uff09<\/li>\n<\/ul>\n<p>\u4f8b\u5982\uff0c\u5982\u679c\u60a8\u5e0c\u671b\u63d0\u793a\u7b26\u986f\u793a\u7528\u6236\u540d\u548c\u7576\u524d\u8def\u5f91\uff0c\u53ef\u4ee5\u5728\u7d42\u7aef\u4e2d\u57f7\u884c\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<pre><code>export PS1=\"u@h:w$ \"<\/code><\/pre>\n<p>\u9019\u6a23\uff0c\u60a8\u7684\u63d0\u793a\u7b26\u5c07\u986f\u793a\u70ba <code>\u7528\u6236\u540d@\u4e3b\u6a5f\u540d:\u7576\u524d\u8def\u5f91$<\/code> \u7684\u683c\u5f0f\u3002<\/p>\n<h2 id=\"%e6%b0%b8%e4%b9%85%e4%bf%9d%e5%ad%98%e6%8f%90%e7%a4%ba%e7%ac%a6%e8%a8%ad%e7%bd%ae-vYwGvQdCNn\">\u6c38\u4e45\u4fdd\u5b58\u63d0\u793a\u7b26\u8a2d\u7f6e<\/h2>\n<p>\u5982\u679c\u60a8\u5e0c\u671b\u5728\u6bcf\u6b21\u767b\u9304\u6642\u90fd\u80fd\u770b\u5230\u81ea\u5b9a\u7fa9\u7684\u63d0\u793a\u7b26\uff0c\u60a8\u9700\u8981\u5c07\u4e0a\u8ff0\u547d\u4ee4\u6dfb\u52a0\u5230\u60a8\u7684\u7528\u6236\u4e3b\u76ee\u9304\u4e0b\u7684 <code>.bashrc<\/code> \u6587\u4ef6\u4e2d\u3002\u60a8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u4f86\u7de8\u8f2f\u8a72\u6587\u4ef6\uff1a<\/p>\n<pre><code>nano ~\/.bashrc<\/code><\/pre>\n<p>\u5728\u6587\u4ef6\u7684\u672b\u5c3e\u6dfb\u52a0\u4ee5\u4e0b\u884c\uff1a<\/p>\n<pre><code>export PS1=\"u@h:w$ \"<\/code><\/pre>\n<p>\u4fdd\u5b58\u4e26\u9000\u51fa\u7de8\u8f2f\u5668\u5f8c\uff0c\u60a8\u53ef\u4ee5\u901a\u904e\u57f7\u884c\u4ee5\u4e0b\u547d\u4ee4\u4f86\u4f7f\u66f4\u6539\u751f\u6548\uff1a<\/p>\n<pre><code>source ~\/.bashrc<\/code><\/pre>\n<h2 id=\"%e5%85%b6%e4%bb%96%e6%8f%90%e7%a4%ba%e7%ac%a6%e8%87%aa%e5%ae%9a%e7%be%a9%e9%81%b8%e9%a0%85-vYwGvQdCNn\">\u5176\u4ed6\u63d0\u793a\u7b26\u81ea\u5b9a\u7fa9\u9078\u9805<\/h2>\n<p>\u9664\u4e86\u57fa\u672c\u7684\u7528\u6236\u540d\u548c\u8def\u5f91\u986f\u793a\uff0c\u60a8\u9084\u53ef\u4ee5\u9032\u4e00\u6b65\u81ea\u5b9a\u7fa9\u63d0\u793a\u7b26\u7684\u984f\u8272\u548c\u683c\u5f0f\u3002\u4f8b\u5982\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528 ANSI \u984f\u8272\u78bc\u4f86\u6539\u8b8a\u63d0\u793a\u7b26\u7684\u984f\u8272\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u793a\u4f8b\uff1a<\/p>\n<pre><code>export PS1=\"[e[32m]u@h:w[e[0m]$ \"<\/code><\/pre>\n<p>\u9019\u5c07\u4f7f\u63d0\u793a\u7b26\u7684\u7528\u6236\u540d\u548c\u4e3b\u6a5f\u540d\u986f\u793a\u70ba\u7da0\u8272\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-vYwGvQdCNn\">\u7e3d\u7d50<\/h2>\n<p>\u5728 CentOS \u7cfb\u7d71\u4e2d\uff0c\u9ed8\u8a8d\u7684 shell \u63d0\u793a\u7b26\u53ef\u80fd\u4e0d\u986f\u793a\u7528\u6236\u540d\u548c\u7576\u524d\u8def\u5f91\uff0c\u9019\u53ef\u4ee5\u901a\u904e\u4fee\u6539 <code>PS1<\/code> \u74b0\u5883\u8b8a\u91cf\u4f86\u89e3\u6c7a\u3002\u901a\u904e\u81ea\u5b9a\u7fa9\u63d0\u793a\u7b26\uff0c\u60a8\u53ef\u4ee5\u63d0\u9ad8\u5de5\u4f5c\u6548\u7387\uff0c\u5feb\u901f\u8b58\u5225\u7576\u524d\u7528\u6236\u548c\u5de5\u4f5c\u76ee\u9304\u3002\u5c0d\u65bc\u9700\u8981\u7a69\u5b9a\u548c\u9ad8\u6548\u7684\u670d\u52d9\u5668\u89e3\u6c7a\u65b9\u6848\u7684\u7528\u6236\uff0c\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2f VPS<\/a> \u670d\u52d9\u53ef\u4ee5\u63d0\u4f9b\u66f4\u597d\u7684\u652f\u6301\u548c\u6027\u80fd\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3\u5982\u4f55\u5728 CentOS \u4e0b\u7684 shell \u4e2d\u96b1\u85cf\u7528\u6236\u540d\u548c\u8def\u5f91\uff0c\u986f\u793a\u7c21\u5316\u7684\u63d0\u793a\u7b26 -bash-4.1$\uff0c\u63d0\u5347\u547d\u4ee4\u884c\u4f7f\u7528\u9ad4\u9a57\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-44160","post","type-post","status-publish","format-standard","hentry","category-setup-tutorials"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/44160","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=44160"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/44160\/revisions"}],"predecessor-version":[{"id":44161,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/44160\/revisions\/44161"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=44160"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=44160"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=44160"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}