{"id":44796,"date":"2024-10-06T18:13:14","date_gmt":"2024-10-06T10:13:14","guid":{"rendered":"https:\/\/server.hk\/cnblog\/44796\/"},"modified":"2024-10-06T18:13:14","modified_gmt":"2024-10-06T10:13:14","slug":"linux-%e5%91%bd%e4%bb%a4%ef%bc%9aprintenv-%e6%89%93%e5%8d%b0%e5%85%a8%e9%83%a8%e6%88%96%e9%83%a8%e5%88%86%e7%92%b0%e5%a2%83","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/44796\/","title":{"rendered":"Linux \u547d\u4ee4\uff1aprintenv &#8211; \u6253\u5370\u5168\u90e8\u6216\u90e8\u5206\u74b0\u5883"},"content":{"rendered":"<h1 id=\"linux-%e5%91%bd%e4%bb%a4%ef%bc%9aprintenv-%e6%89%93%e5%8d%b0%e5%85%a8%e9%83%a8%e6%88%96%e9%83%a8%e5%88%86%e7%92%b0%e5%a2%83-CBYTkaZzXD\">Linux \u547d\u4ee4\uff1aprintenv &#8211; \u6253\u5370\u5168\u90e8\u6216\u90e8\u5206\u74b0\u5883<\/h1>\n<p>\u5728 Linux \u7cfb\u7d71\u4e2d\uff0c\u74b0\u5883\u8b8a\u91cf\u662f\u7528\u4f86\u5b58\u5132\u7cfb\u7d71\u548c\u7528\u6236\u8a2d\u7f6e\u7684\u91cd\u8981\u4fe1\u606f\u3002\u9019\u4e9b\u8b8a\u91cf\u53ef\u4ee5\u5f71\u97ff\u7cfb\u7d71\u7684\u884c\u70ba\uff0c\u4e26\u4e14\u5728\u57f7\u884c\u7a0b\u5e8f\u6642\u63d0\u4f9b\u5fc5\u8981\u7684\u4e0a\u4e0b\u6587\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e Linux \u4e2d\u7684 <code>printenv<\/code> \u547d\u4ee4\uff0c\u9019\u662f\u4e00\u500b\u7528\u65bc\u6253\u5370\u74b0\u5883\u8b8a\u91cf\u7684\u5be6\u7528\u5de5\u5177\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e7%92%b0%e5%a2%83%e8%ae%8a%e9%87%8f%ef%bc%9f-CBYTkaZzXD\">\u4ec0\u9ebc\u662f\u74b0\u5883\u8b8a\u91cf\uff1f<\/h2>\n<p>\u74b0\u5883\u8b8a\u91cf\u662f\u7cfb\u7d71\u4e2d\u7528\u4f86\u5b58\u5132\u4fe1\u606f\u7684\u9375\u503c\u5c0d\u3002\u9019\u4e9b\u8b8a\u91cf\u53ef\u4ee5\u5305\u542b\u7528\u6236\u7684\u8a2d\u7f6e\u3001\u7cfb\u7d71\u8def\u5f91\u3001\u61c9\u7528\u7a0b\u5e8f\u914d\u7f6e\u7b49\u3002\u5e38\u898b\u7684\u74b0\u5883\u8b8a\u91cf\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><code>HOME<\/code>\uff1a\u7528\u6236\u7684\u4e3b\u76ee\u9304\u3002<\/li>\n<li><code>PATH<\/code>\uff1a\u7cfb\u7d71\u67e5\u627e\u53ef\u57f7\u884c\u6587\u4ef6\u7684\u8def\u5f91\u3002<\/li>\n<li><code>SHELL<\/code>\uff1a\u7528\u6236\u7684\u9ed8\u8a8d\u547d\u4ee4\u884c\u89e3\u91cb\u5668\u3002<\/li>\n<li><code>USER<\/code>\uff1a\u7576\u524d\u7528\u6236\u7684\u540d\u7a31\u3002<\/li>\n<\/ul>\n<h2 id=\"%e4%bd%bf%e7%94%a8-printenv-%e5%91%bd%e4%bb%a4-CBYTkaZzXD\">\u4f7f\u7528 printenv \u547d\u4ee4<\/h2>\n<p><code>printenv<\/code> \u547d\u4ee4\u7684\u4e3b\u8981\u529f\u80fd\u662f\u986f\u793a\u7576\u524d\u7528\u6236\u7684\u74b0\u5883\u8b8a\u91cf\u3002\u9019\u500b\u547d\u4ee4\u975e\u5e38\u7c21\u55ae\u6613\u7528\uff0c\u57fa\u672c\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre><code>printenv [VARIABLE_NAME]<\/code><\/pre>\n<p>\u5982\u679c\u4e0d\u5e36\u4efb\u4f55\u53c3\u6578\uff0c<code>printenv<\/code> \u5c07\u6253\u5370\u51fa\u6240\u6709\u7684\u74b0\u5883\u8b8a\u91cf\u53ca\u5176\u503c\u3002\u5982\u679c\u6307\u5b9a\u4e86\u8b8a\u91cf\u540d\u7a31\uff0c\u5247\u53ea\u6703\u986f\u793a\u8a72\u8b8a\u91cf\u7684\u503c\u3002<\/p>\n<h3 id=\"%e7%a4%ba%e4%be%8b-CBYTkaZzXD\">\u793a\u4f8b<\/h3>\n<p>\u4ee5\u4e0b\u662f\u4e00\u4e9b\u4f7f\u7528 <code>printenv<\/code> \u547d\u4ee4\u7684\u793a\u4f8b\uff1a<\/p>\n<ul>\n<li>\u6253\u5370\u6240\u6709\u74b0\u5883\u8b8a\u91cf\uff1a<\/li>\n<pre><code>printenv<\/code><\/pre>\n<li>\u6253\u5370\u7279\u5b9a\u74b0\u5883\u8b8a\u91cf\uff0c\u4f8b\u5982 <code>HOME<\/code>\uff1a<\/li>\n<pre><code>printenv HOME<\/code><\/pre>\n<\/ul>\n<h2 id=\"%e7%82%ba%e4%bb%80%e9%ba%bc%e4%bd%bf%e7%94%a8-printenv%ef%bc%9f-CBYTkaZzXD\">\u70ba\u4ec0\u9ebc\u4f7f\u7528 printenv\uff1f<\/h2>\n<p>\u4f7f\u7528 <code>printenv<\/code> \u547d\u4ee4\u6709\u5e7e\u500b\u512a\u52e2\uff1a<\/p>\n<ul>\n<li><strong>\u7c21\u55ae\u6027\uff1a<\/strong>\u8a72\u547d\u4ee4\u6613\u65bc\u4f7f\u7528\uff0c\u7121\u9700\u8907\u96dc\u7684\u53c3\u6578\u6216\u9078\u9805\u3002<\/li>\n<li><strong>\u5feb\u901f\u6aa2\u67e5\uff1a<\/strong>\u53ef\u4ee5\u5feb\u901f\u6aa2\u67e5\u74b0\u5883\u8b8a\u91cf\u7684\u8a2d\u7f6e\uff0c\u9019\u5c0d\u65bc\u6545\u969c\u6392\u9664\u975e\u5e38\u6709\u5e6b\u52a9\u3002<\/li>\n<li><strong>\u8173\u672c\u652f\u6301\uff1a<\/strong>\u53ef\u4ee5\u5728\u8173\u672c\u4e2d\u4f7f\u7528 <code>printenv<\/code> \u4f86\u7372\u53d6\u74b0\u5883\u8b8a\u91cf\u7684\u503c\uff0c\u5f9e\u800c\u81ea\u52d5\u5316\u67d0\u4e9b\u4efb\u52d9\u3002<\/li>\n<\/ul>\n<h2 id=\"%e8%88%87%e5%85%b6%e4%bb%96%e5%91%bd%e4%bb%a4%e7%9a%84%e6%af%94%e8%bc%83-CBYTkaZzXD\">\u8207\u5176\u4ed6\u547d\u4ee4\u7684\u6bd4\u8f03<\/h2>\n<p>\u9664\u4e86 <code>printenv<\/code>\uff0c\u9084\u6709\u5176\u4ed6\u547d\u4ee4\u53ef\u4ee5\u7528\u4f86\u67e5\u770b\u74b0\u5883\u8b8a\u91cf\uff0c\u4f8b\u5982 <code>env<\/code> \u548c <code>set<\/code>\u3002\u9019\u4e9b\u547d\u4ee4\u7684\u4e3b\u8981\u5340\u5225\u5728\u65bc\uff1a<\/p>\n<ul>\n<li><code>env<\/code>\uff1a\u986f\u793a\u7576\u524d\u74b0\u5883\u8b8a\u91cf\uff0c\u4e26\u53ef\u4ee5\u7528\u4f86\u57f7\u884c\u5176\u4ed6\u547d\u4ee4\u3002<\/li>\n<li><code>set<\/code>\uff1a\u986f\u793a\u6240\u6709\u8b8a\u91cf\uff0c\u5305\u62ec\u74b0\u5883\u8b8a\u91cf\u548c shell \u8b8a\u91cf\u3002<\/li>\n<\/ul>\n<p>\u96d6\u7136\u9019\u4e9b\u547d\u4ee4\u90fd\u53ef\u4ee5\u7528\u4f86\u67e5\u770b\u74b0\u5883\u8b8a\u91cf\uff0c\u4f46 <code>printenv<\/code> \u662f\u6700\u5c08\u6ce8\u65bc\u74b0\u5883\u8b8a\u91cf\u7684\u547d\u4ee4\uff0c\u4f7f\u7528\u8d77\u4f86\u66f4\u52a0\u76f4\u89c0\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-CBYTkaZzXD\">\u7e3d\u7d50<\/h2>\n<p>\u5728 Linux \u7cfb\u7d71\u4e2d\uff0c<code>printenv<\/code> \u547d\u4ee4\u662f\u4e00\u500b\u975e\u5e38\u6709\u7528\u7684\u5de5\u5177\uff0c\u53ef\u4ee5\u5e6b\u52a9\u7528\u6236\u5feb\u901f\u67e5\u770b\u548c\u6aa2\u67e5\u74b0\u5883\u8b8a\u91cf\u3002\u7121\u8ad6\u662f\u5728\u65e5\u5e38\u4f7f\u7528\u4e2d\u9084\u662f\u5728\u8173\u672c\u7de8\u5beb\u6642\uff0c\u4e86\u89e3\u5982\u4f55\u4f7f\u7528\u9019\u500b\u547d\u4ee4\u90fd\u80fd\u63d0\u9ad8\u5de5\u4f5c\u6548\u7387\u3002\u5982\u679c\u60a8\u5c0d\u65bc <a href=\"https:\/\/server.hk\">\u9999\u6e2f VPS<\/a> \u6216\u5176\u4ed6\u4f3a\u670d\u5668\u89e3\u6c7a\u65b9\u6848\u611f\u8208\u8da3\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u4ee5\u7372\u53d6\u66f4\u591a\u4fe1\u606f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4f7f\u7528 Linux \u547d\u4ee4 `printenv` \u6253\u5370\u5168\u90e8\u6216\u90e8\u5206\u74b0\u5883\u8b8a\u91cf\uff0c\u8f15\u9b06\u67e5\u770b\u7cfb\u7d71\u8a2d\u7f6e\u548c\u7528\u6236\u914d\u7f6e\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-44796","post","type-post","status-publish","format-standard","hentry","category-setup-tutorials"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/44796","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=44796"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/44796\/revisions"}],"predecessor-version":[{"id":44797,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/44796\/revisions\/44797"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=44796"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=44796"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=44796"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}