{"id":16379,"date":"2020-12-22T15:45:49","date_gmt":"2020-12-22T07:45:49","guid":{"rendered":"http:\/\/blog.idc.net\/16379\/"},"modified":"2020-12-22T15:45:49","modified_gmt":"2020-12-22T07:45:49","slug":"%e5%a6%82%e4%bd%95%e5%ae%9a%e5%88%b6%e6%82%a8%e7%9a%84ubuntu%e7%bb%88%e7%ab%af%e6%8f%90%e7%a4%ba%e7%ac%a6","status":"publish","type":"post","link":"https:\/\/idc.net\/help\/16379\/","title":{"rendered":"\u5982\u4f55\u5b9a\u5236\u60a8\u7684Ubuntu\u7ec8\u7aef\u63d0\u793a\u7b26"},"content":{"rendered":"<div class=\"idc_table\">\n<p>\u60a8\u7684Ubuntu\u7cfb\u7edf\u4f7f\u7528\u4f5c\u4e3a\u9ed8\u8ba4\u7684\u7ec8\u7aef\u5e94\u7528\u7a0b\u5e8fbash\u6216dash\u3002\u60a8\u53ef\u4ee5\u6839\u636e\u4e00\u4e2a\u9ed8\u8ba4\u63d0\u793a\u8f93\u5165\u547d\u4ee4\uff0c\u8be5\u63d0\u793a\u901a\u5e38\u5728\u4e00\u4e9b\u9884\u5b9a\u4e49\u7684\u989c\u8272\u4e3b\u9898\u4e2d\u5217\u51fa\u60a8\u7684\u7528\u6237\u540d\u3001\u4e3b\u673a\u540d\u548c\u5f53\u524d\u76ee\u5f55\u3002bash\u4e3a\u63d0\u793a\u7b26\u63d0\u4f9b\u4e86\u8bb8\u591a\u81ea\u5b9a\u4e49\u9009\u9879\uff0c\u60a8\u4e0d\u4ec5\u53ef\u4ee5\u4f7f\u7528\u8fd9\u4e9b\u9009\u9879\u5728\u63d0\u793a\u7b26\u4e2d\u96c6\u6210\u5404\u79cd\u7279\u6027\uff0c\u8fd8\u53ef\u4ee5\u4f7f\u7528\u4e0d\u540c\u7684\u989c\u8272\u533a\u5206\u5b83\u4eec\u3002<\/p>\n<p>\u5728\u672c\u6587\u4e2d\uff0c\u6211\u4eec\u5c06\u4f7f\u7528\u5404\u79cd\u793a\u4f8b\u5bf9\u7ec8\u7aef\u5e94\u7528\u7a0b\u5e8f\u7684\u63d0\u793a\u7b26\u8fdb\u884c\u81ea\u5b9a\u4e49\u548c\u91cd\u65b0\u7740\u8272\uff0c\u4f7f\u60a8\u80fd\u591f\u6839\u636e\u81ea\u5df1\u7684\u9700\u8981\u8fdb\u884c\u64cd\u4f5c\u3002\u6211\u4eec\u6b63\u5728Ubuntu 18.04 LTS\u7cfb\u7edf\u4e0a\u8fd0\u884c\u672c\u6587\u63cf\u8ff0\u7684\u547d\u4ee4\u548c\u8fc7\u7a0b\u3002<\/p>\n<p><strong>\u67e5\u770b\u5f53\u524dBash\u63d0\u793a\u7b26\u914d\u7f6e<\/strong><\/p>\n<p>\u5f53\u60a8\u901a\u8fc7Dash\u6216Ctrl+Alt +T\u5feb\u6377\u952e\u6253\u5f00\u7ec8\u7aef\u65f6\uff0c\u60a8\u4f1a\u770b\u5230\u5982\u4e0b\u63d0\u793a:<\/p>\n<p>\u6b64\u9ed8\u8ba4\u683c\u5f0f\u5217\u51fa\u7528\u6237\u540d\u3001\u4e3b\u673a\u540d\u4ee5\u53ca\u7528\u6237\u7684\u5f53\u524d\u76ee\u5f55\u3002bash\u4ecebashrc\u6587\u4ef6\u4e2d\u83b7\u53d6\u6b64\u914d\u7f6e\uff0c\u8be5\u6587\u4ef6\u662f\u4e3a\u6bcf\u4e2a\u7528\u6237\u5728\u5176\u4e3b\u76ee\u5f55\u4e2d\u5355\u72ec\u8bbe\u7f6e\u7684\u3002\u4f60\u53ef\u4ee5\u8fd9\u6837\u6253\u5f00\u8fd9\u4e2a\u6587\u4ef6:<\/p>\n<p>vim ~\/.bashrc<\/p>\n<p>\u4f4d\u7f6e\uff1a\/home\/username\/.bashrc<\/p>\n<p>\u60a8\u8fd8\u53ef\u4ee5\u4f7f\u7528\u4efb\u4f55\u5176\u4ed6\u6587\u672c\u7f16\u8f91\u5668\u6253\u5f00\u6b64\u6587\u4ef6\u3002<\/p>\n<p>\u8fd9\u662f\u914d\u7f6e\u6587\u4ef6\u7684\u6837\u5b50\u3002 \u6211\u4eec\u5728\u8fd9\u91cc\u5411\u60a8\u5c55\u793a\u6587\u4ef6\u7684\u76f8\u5173\u90e8\u5206\u3002<\/p>\n<p>\u60a8\u5728\u4e0a\u9762\u7684\u56fe\u50cf\u4e2d\u770b\u5230\u7684PS1\u53d8\u91cf\u5177\u6709bash\u63d0\u793a\u7b26\u7684\u6240\u6709\u5fc5\u9700\u914d\u7f6e\u3002 \u6211\u4eec\u9996\u5148\u89e3\u91ca\u4e00\u4e0b\u8fd9\u4e2a\u53d8\u91cf\u4e2d\u7684\u5b57\u7b26\u662f\u4ec0\u4e48\u3002 \u60a8\u53ef\u4ee5\u5728else\u8bed\u53e5\u540e\u5217\u51fa\u7684PS1\u53d8\u91cf\u4e2d\u6e05\u695a\u5730\u67e5\u770b\u6b64\u53d8\u91cf\u3002<\/p>\n<ul>\n<li>\\u-\u8fd9\u8868\u793a\u5f53\u524d\u7528\u6237\u7684\u7528\u6237\u540d<\/li>\n<li>\\h:\u8fd9\u8868\u793a\u4ece\u5b8c\u5168\u9650\u5b9a\u57df\u540d\u4e2d\u63d0\u53d6\u7684\u5f53\u524d\u7528\u6237\u7684\u4e3b\u673a\u540d\u3002<\/li>\n<li>\\w:\u8fd9\u8868\u793a\u5f53\u524d\u5de5\u4f5c\u76ee\u5f55\u3002\u4e3b\u76ee\u5f55\u7528\u6ce2\u6d6a\u53f7~\u7b26\u53f7\u8868\u793a\u3002<\/li>\n<li>\\$:\u8fd9\u8868\u793a\u60a8\u662f\u666e\u901a\u7528\u6237($)\u8fd8\u662froot\u7528\u6237(#)\u3002<\/li>\n<\/ul>\n<p>\u60a8\u8fd8\u53ef\u4ee5\u901a\u8fc7\u56de\u663e\u5176\u503c\u6765\u67e5\u770bPS1\u53d8\u91cf\u7684\u914d\u7f6e\uff0c\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n<p><strong>\u81ea\u5b9a\u4e49Shell\u63d0\u793a\u7b26<\/strong><\/p>\n<p>\u5728\u4e86\u89e3\u4e86\u63d0\u793a\u4fe1\u606f\u5b58\u50a8\u5728\u4f55\u5904\u4ee5\u53caPS1\u53d8\u91cf\u63cf\u8ff0\u4e86\u4ec0\u4e48\u4e4b\u540e\uff0c\u8ba9\u6211\u4eec\u770b\u770b\u5982\u4f55\u7f16\u8f91\u5b83\uff0c\u4ee5\u4fbf\u5b9a\u5236bash\u63d0\u793a\u7b26\u3002<\/p>\n<p>\u5728\u7f16\u8f91PS1\u53d8\u91cf\u4e4b\u524d\uff0c\u91cd\u8981\u7684\u662f\u5c06\u5176\u9ed8\u8ba4\u5185\u5bb9\u5b58\u50a8\u5728\u4e00\u4e2a\u65b0\u53d8\u91cf\u4e2d\u3002\u5982\u679c\u51fa\u73b0\u9519\u8bef\uff0c\u8fd9\u5c06\u5e2e\u52a9\u6211\u4eec\u6062\u590d\u63d0\u793a\u7b26\u7684\u539f\u59cb\u914d\u7f6e\u3002\u5728\u7ec8\u7aef\u8f93\u5165\u4ee5\u4e0b\u547d\u4ee4:<\/p>\n<p>$ DEFAULT=$PS1<\/p>\n<p>\u73b0\u5728\uff0c\u53d8\u91cf\u201cDEFAULT\u201d\u5177\u6709\u6062\u590d\u9ed8\u8ba4\u63d0\u793a\u8bbe\u7f6e\u6240\u9700\u7684\u6240\u6709\u4fe1\u606f\u3002<\/p>\n<p>\u73b0\u5728\u8ba9\u6211\u4eec\u7528PS1\u53d8\u91cf\u8fdb\u884c\u4e00\u4e9b\u5b9e\u9a8c\u3002 \u8f93\u5165\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<p>$ PS1=\"\\u\\$ \"<\/p>\n<p>PS1\u7684\u8fd9\u4e2a\u65b0\u503c\u5bf9\u60a8\u7684\u63d0\u793a\u7b26\u6709\u4ee5\u4e0b\u6548\u679c:<\/p>\n<p>\u73b0\u5728\u60a8\u53ea\u80fd\u770b\u5230\u60a8\u7684\u7528\u6237\u540d\u548c\u6839\u7528\u6237\u4fe1\u606f\uff0c\u6ca1\u6709\u4efb\u4f55\u989c\u8272\uff0c\u56e0\u4e3a\u8fd8\u6ca1\u6709\u8bbe\u7f6e\u4efb\u4f55\u989c\u8272\u4fe1\u606f\u3002<\/p>\n<p>\u8ba9\u6211\u4eec\u8f93\u5165\u4ee5\u4e0b\u547d\u4ee4\uff0c\u4ee5\u4fbf\u63d0\u793a\u7b26\u4e5f\u5217\u51fa\u5de5\u4f5c\u76ee\u5f55<\/p>\n<p>$ PS1=\"\\u:\\w\\$ \"<\/p>\n<p>PS1\u7684\u8fd9\u4e2a\u65b0\u503c\u5bf9\u60a8\u7684\u63d0\u793a\u7b26\u6709\u4ee5\u4e0b\u6548\u679c:<\/p>\n<p><strong>\u5c06\u63d0\u793a\u8bbe\u7f6e\u56de\u9ed8\u8ba4\u503c<\/strong><\/p>\n<p>\u7531\u4e8e\u6211\u4eec\u5c06PS1\u53d8\u91cf\u7684\u539f\u59cb\u914d\u7f6e\u5b58\u50a8\u5728\u9ed8\u8ba4\u53d8\u91cf\u4e2d\uff0c\u6240\u4ee5\u53ef\u4ee5\u901a\u8fc7\u5c06\u9ed8\u8ba4\u53d8\u91cf\u7684\u503c\u63d0\u4f9b\u7ed9PS1\uff0c\u5c06PS1\u7684\u503c\u8bbe\u7f6e\u56de\u9ed8\u8ba4\u503c\u3002<\/p>\n<p>PS1=DEFAULT<\/p>\n<p><strong>\u60a8\u8fd8\u53ef\u4ee5\u5b9a\u5236\u4ec0\u4e48?<\/strong><\/p>\n<p>\u5982\u679c\u5e0c\u671b\u63d0\u793a\u5305\u542b\u7279\u5b9a\u7684\u81ea\u5b9a\u4e49\u6587\u672c\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u8bed\u6cd5\uff1a<\/p>\n<p>PS1=\"[custom text] \\u@\\h:\\w\\$ \"<\/p>\n<p>\u4f8b\u5b50:<\/p>\n<p>\u6211\u5df2\u7ecf\u8bbe\u7f6e\u4e86\u6211\u7684\u63d0\u793a\uff0c\u5305\u62ec\u4e00\u4e2a\u81ea\u5b9a\u4e49\u6d88\u606f\u5982\u4e0b:<\/p>\n<p>\u4f60\u53ef\u4ee5\u5728\u63d0\u793a\u7b26\u4e2d\u52a0\u5165\u4ee5\u4e0b\u57fa\u672c\u5b57\u7b26:<\/p>\n<table style=\"border: #f20c5f 1px solid\">\n<tbody>\n<tr>\n<td><strong>\u5b57\u7b26<\/strong><\/td>\n<td><strong>\u7528\u9014<\/strong><\/td>\n<\/tr>\n<tr>\n<td>\\d<\/td>\n<td>\u4ee5\u65e5\u3001\u6708\u4e3a\u5355\u4f4d\u65e5\u671f\u683c\u5f0f\u3002<\/td>\n<\/tr>\n<tr>\n<td>\\e<\/td>\n<td>ASCII\u8f6c\u4e49\u5b57\u7b26<\/td>\n<\/tr>\n<tr>\n<td>\\a<\/td>\n<td>\u8f6c\u4e49\u5b57\u7b26\u3002<\/td>\n<\/tr>\n<tr>\n<td>\\h<\/td>\n<td>\u5f53\u524d\u7528\u6237\u7684\u4e3b\u673a\u540d\u76f4\u5230'.'<\/td>\n<\/tr>\n<tr>\n<td>\\H<\/td>\n<td>\u5f53\u524d\u7528\u6237\u7684\u4e3b\u673a\u540d\u3002<\/td>\n<\/tr>\n<tr>\n<td>\\l<\/td>\n<td>\u7ec8\u7aef\u8bbe\u5907\u7684\u57fa\u672c\u540d\u79f0\u3002<\/td>\n<\/tr>\n<tr>\n<td>\\j<\/td>\n<td>\u7531shell\u8fd0\u884c\u7684\u4f5c\u4e1a\u7684\u6570\u91cf\u3002<\/td>\n<\/tr>\n<tr>\n<td>\\r<\/td>\n<td>\u56de\u8f66\u3002<\/td>\n<\/tr>\n<tr>\n<td>\\n<\/td>\n<td>\u4e00\u4e2a\u65b0\u884c\u3002<\/td>\n<\/tr>\n<tr>\n<td>\\u<\/td>\n<td>\u5f53\u524d\u7528\u6237\u7684\u7528\u6237\u540d\u3002<\/td>\n<\/tr>\n<tr>\n<td>\\v<\/td>\n<td>Bash\u7248\u672c\u3002<\/td>\n<\/tr>\n<tr>\n<td>\\!<\/td>\n<td>\u6253\u5370\u6b63\u5728\u8fd0\u884c\u7684\u547d\u4ee4\u7684\u5386\u53f2\u8bb0\u5f55\u7f16\u53f7\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u60a8\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u547d\u4ee4\u5728\u63d0\u793a\u4e2d\u5305\u62ec\u5f53\u524d\u7cfb\u7edf\u65f6\u95f4\uff1a<\/p>\n<p>PS1=\"\\A\\u: \\w\\$ \"<\/p>\n<p>PS1\u7684\u8fd9\u4e2a\u65b0\u503c\u5bf9\u60a8\u7684\u63d0\u793a\u7b26\u6709\u4ee5\u4e0b\u6548\u679c:<\/p>\n<p>\u60a8\u8fd8\u53ef\u4ee5\u81ea\u5b9a\u4e49\u63d0\u793a\u7b26\uff0c\u4ee5\u5305\u542b\u547d\u4ee4\u7684\u8f93\u51fa;\u8fd9\u4f7f\u60a8\u53ef\u4ee5\u5728\u63d0\u793a\u7b26\u4e2d\u5305\u542b\u65e0\u9650\u7684\u9009\u9879\u3002<\/p>\n<p>\u8bed\u6cd5\uff1a<\/p>\n<p>$ PS1=\"\\u@\\h on `[command]` \\w\\$ \"<\/p>\n<p>\u4f8b\uff1a<\/p>\n<p>\u5728\u6b64\u793a\u4f8b\u4e2d\uff0c\u6211\u5c06\u8bbe\u7f6e\u63d0\u793a\u4ee5\u5305\u62ec\u5f53\u524d\u7528\u6237\u6240\u5c5e\u7684\u4e3b\u7ec4\u7684\u540d\u79f0\u3002<\/p>\n<p>$ PS1=\"\\u@\\h on `id -gn` \\w\\$ \"<\/p>\n<p><strong>\u7740\u8272\u63d0\u793a<\/strong><\/p>\n<p>\u81ea\u5b9a\u4e49\u63d0\u793a\u540e\uff0c\u60a8\u4f1a\u53d1\u73b0\u4e8b\u60c5\u53ef\u80fd\u770b\u8d77\u6765\u6709\u4e9b\u6df7\u4e71\u3002 \u4e00\u4e2a\u660e\u663e\u7684\u539f\u56e0\u662f\uff0c\u5982\u679c\u5b83\u4eec\u90fd\u4ee5\u76f8\u540c\u7684\u989c\u8272\u5217\u51fa\uff0c\u90a3\u4e48\u5c06\u4e00\u4e2a\u7279\u5f81\u4e0e\u53e6\u4e00\u4e2a\u7279\u5f81\u533a\u5206\u5f00\u6765\u5e76\u4e0d\u5bb9\u6613\u3002 \u73b0\u5728\u8ba9\u6211\u4eec\u5b66\u4e60\u5982\u4f55\u7740\u8272\u63d0\u793a\uff0c\u4f7f\u5176\u66f4\u4ee4\u4eba\u6109\u60a6\u3002<\/p>\n<p>\u4e3a\u4e86\u5411\u4e00\u4e2a\u6216\u591a\u4e2a\u7279\u5f81\u6dfb\u52a0\u989c\u8272\uff0cPS1\u53d8\u91cf\u5305\u62ec\u989c\u8272\u6807\u8bb0\u3002 \u4ee5\u4e0b\u56fe\u50cf\u4e2d\u7a81\u51fa\u663e\u793a\u7684\u6587\u672c\u662f\u989c\u8272\u6807\u8bb0\u3002<\/p>\n<p>\u8fd9\u662f\u989c\u8272\u6807\u8bb0\u7684\u683c\u5f0f\uff1a<\/p>\n<p>\\[\\033[COLOR]m\\]<\/p>\n<p>\u4f8b\u5982\uff0c\u6211\u4eec\u5728\u9ed8\u8ba4\u7ec8\u7aef\u63d0\u793a\u7b26\u4e2d\u770b\u5230\u7684\u9ed8\u8ba4\u7528\u6237\u540d\u548c\u4e3b\u673a\u540d\u662f\u7eff\u8272\u7684\uff0c\u8fd9\u662f\u56e0\u4e3a\u4e0b\u9762\u7684\u989c\u8272\u6807\u7b7e:<\/p>\n<p>\\[\\033[01;32m\\]\\u@\\h\\<\/p>\n<p>\u60a8\u53ef\u4ee5\u9488\u5bf9bash\u63d0\u793a\u7b26\u7279\u6027\u66f4\u6539\u6b64\u989c\u8272\u503c\uff0c\u4ee5\u8d4b\u4e88\u5b83\u4e00\u4e2a\u65b0\u7684\u989c\u8272\uff0c\u6216\u8005\u5411\u6ca1\u6709\u4efb\u4f55\u989c\u8272\u7684\u7279\u6027\u6dfb\u52a0\u4e00\u4e2a\u65b0\u7684\u989c\u8272\u6807\u8bb0\u3002<\/p>\n<p>\u4e0b\u9762\u662f\u4e00\u4e9b\u5e38\u89c1\u7684\u989c\u8272\u53ca\u5176\u503c:<\/p>\n<table>\n<tbody>\n<tr>\n<td><strong>\u989c\u8272<\/strong><\/td>\n<td><strong>\u503c<\/strong><\/td>\n<\/tr>\n<tr>\n<td>Green<\/td>\n<td>32<\/td>\n<\/tr>\n<tr>\n<td>Red<\/td>\n<td>31<\/td>\n<\/tr>\n<tr>\n<td>Black<\/td>\n<td>30<\/td>\n<\/tr>\n<tr>\n<td>Blue<\/td>\n<td>34<\/td>\n<\/tr>\n<tr>\n<td>Cyan<\/td>\n<td>36<\/td>\n<\/tr>\n<tr>\n<td>Purple<\/td>\n<td>35<\/td>\n<\/tr>\n<tr>\n<td>Yellow<\/td>\n<td>33<\/td>\n<\/tr>\n<tr>\n<td>White<\/td>\n<td>37<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u4f8b\uff1a<\/p>\n<p>\u4ee5\u4e0b\u547d\u4ee4\u5c06\u63d0\u793a\u7b26\u53d8\u4e3a\u7ea2\u8272\uff0c\u56e0\u4e3a\u6211\u4eec\u5728\u989c\u8272\u6807\u8bb0\u4e2d\u6307\u5b9a\u4e8631\uff08\u7ea2\u8272\uff09\uff1a<\/p>\n<p>$ 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