{"id":28733,"date":"2023-02-24T19:15:39","date_gmt":"2023-06-09T12:39:21","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%9c%a8systemd%e7%9a%84%e5%8d%95%e5%85%83%e5%ae%9a%e4%b9%89%e6%96%87%e4%bb%b6%e4%b8%ad%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8%e5%8f%98%e9%87%8f-2\/"},"modified":"2025-08-12T09:49:13","modified_gmt":"2025-08-12T01:49:13","slug":"%e5%9c%a8systemd%e7%9a%84%e5%8d%95%e5%85%83%e5%ae%9a%e4%b9%89%e6%96%87%e4%bb%b6%e4%b8%ad%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8%e5%8f%98%e9%87%8f-2","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%9c%a8systemd%e7%9a%84%e5%8d%95%e5%85%83%e5%ae%9a%e4%b9%89%e6%96%87%e4%bb%b6%e4%b8%ad%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8%e5%8f%98%e9%87%8f-2\/","title":{"rendered":"\u5728systemd\u7684\u5355\u5143\u5b9a\u4e49\u6587\u4ef6\u4e2d\u5982\u4f55\u4f7f\u7528\u53d8\u91cf."},"content":{"rendered":"<p>\u5728\u4f7f\u7528systemctl\u547d\u4ee4\u542f\u52a8\u670d\u52a1\u65f6\uff0c\u4ecb\u7ecd\u4e86\u5728Unit\u5b9a\u4e49\u6587\u4ef6\u4e2d\u4f7f\u7528\u53d8\u91cf\u7684\u65b9\u6cd5\u3002<\/p>\n<h1>\u73af\u5883<\/h1>\n<ul class=\"post-ul\">OS\uff1aCentOS Linux release 7.7.1908<\/ul>\n<h1>\u5728Unit\u5b9a\u4e49\u6587\u4ef6\u4e2d\u6307\u5b9a\u53d8\u91cf<\/h1>\n<p>\u5728Unit\u5b9a\u4e49\u6587\u4ef6\u4e2d\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528Environment\u6765\u6307\u5b9a\u53d8\u91cf\u3002\u6b64\u5904\u6211\u4eec\u5c06\u521b\u5efa\u5e76\u9a8c\u8bc1test.service\u7684Unit\u5b9a\u4e49\u6587\u4ef6\u3002<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u5909\u6570TEST_VALUE1\u306bdisplay1\u3001\u5909\u6570TEST_VALUE2\u306bdisplay2\u3092\u8a2d\u5b9a\u3057\u307e\u3059\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>echo\u3067\u5909\u6570\u3092\u8868\u793a\u3055\u305b\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"o\">[<\/span>Unit]\r\n<span class=\"nv\">Description<\/span><span class=\"o\">=<\/span>TestService\r\n\r\n<span class=\"o\">[<\/span>Service]\r\n<span class=\"nv\">Environment<\/span><span class=\"o\">=<\/span><span class=\"nv\">TEST_VALUE1<\/span><span class=\"o\">=<\/span>display1\r\n<span class=\"nv\">Environment<\/span><span class=\"o\">=<\/span><span class=\"nv\">TEST_VALUE2<\/span><span class=\"o\">=<\/span>display2\r\n<span class=\"nv\">ExecStart<\/span><span class=\"o\">=<\/span>\/bin\/echo <span class=\"k\">${<\/span><span class=\"nv\">TEST_VALUE1<\/span><span class=\"k\">}<\/span> <span class=\"k\">${<\/span><span class=\"nv\">TEST_VALUE2<\/span><span class=\"k\">}<\/span>\r\n<\/code><\/pre>\n<p>\u4f7f\u7528systemctl start test\u547d\u4ee4\u8fdb\u884c\u542f\u52a8\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"gp\">[root@CENTOS7 ~]#<\/span> systemctl start <span class=\"nb\">test<\/span>\r\n<span class=\"gp\">[root@CENTOS7 ~]#<\/span>\r\n<\/code><\/pre>\n<p>\u8bf7\u4f7f\u7528 `journalctl -u test` \u547d\u4ee4\u8fdb\u884c\u786e\u8ba4\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"gp\">[root@CENTOS7 ~]#<\/span> journalctl <span class=\"nt\">-u<\/span> <span class=\"nb\">test<\/span>\r\n<span class=\"go\">-- Logs begin at \u65e5 2019-12-29 17:19:15 JST, end at \u65e5 2019-12-29 18:07:04 JST.\r\n12\u6708 29 18:07:04 CENTOS7 systemd[1]: Started TestService.\r\n12\u6708 29 18:07:04 CENTOS7 echo[1398]: display1 display2\r\n<\/span><\/code><\/pre>\n<p>\u663e\u793a\u4e86\u53d8\u91cfTEST_VALUE1\u3001TEST_VALUE2\u7684\u503c\uff0c\u4ee5\u53cadisplay1\u3001display2\u3002<\/p>\n<h1>\u5728Unit\u5b9a\u4e49\u6587\u4ef6\u4e2d\u6307\u5b9a\u73af\u5883\u53d8\u91cf<\/h1>\n<p>\u53ef\u4ee5\u5728Unit\u5b9a\u4e49\u6587\u4ef6\u4e2d\u4f7f\u7528EnvironmentFile\u6765\u6307\u5b9a\u73af\u5883\u53d8\u91cf\u6587\u4ef6\u3002<br \/>\n\u6211\u4eec\u53ef\u4ee5\u521b\u5efa\u5e76\u6d4b\u8bd5test2.service\u7684Unit\u5b9a\u4e49\u6587\u4ef6\u3002<\/p>\n<pre class=\"post-pre\"><code>TEST_VALUE1=display1\r\nTEST_VALUE2=display2\r\n<\/code><\/pre>\n<p>EnvironmentFile\u306b\u74b0\u5883\u5909\u6570\u30d5\u30a1\u30a4\u30eb\/etc\/sysconfig\/test2\u3092\u8a2d\u5b9a\u3057\u307e\u3059\u3002<\/p>\n<p>echo\u3067\u5909\u6570\u3092\u8868\u793a\u3055\u305b\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"o\">[<\/span>Unit]\r\n<span class=\"nv\">Description<\/span><span class=\"o\">=<\/span>Test2Service\r\n\r\n<span class=\"o\">[<\/span>Service]\r\n<span class=\"nv\">EnvironmentFile<\/span><span class=\"o\">=<\/span>\/etc\/sysconfig\/test2\r\n<span class=\"nv\">ExecStart<\/span><span class=\"o\">=<\/span>\/bin\/echo <span class=\"k\">${<\/span><span class=\"nv\">TEST_VALUE1<\/span><span class=\"k\">}<\/span> <span class=\"k\">${<\/span><span class=\"nv\">TEST_VALUE2<\/span><span class=\"k\">}<\/span>\r\n<\/code><\/pre>\n<p>\u4f7f\u7528systemctl start test2\u547d\u4ee4\u542f\u52a8\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"gp\">[root@CENTOS7 ~]#<\/span> systemctl start test2\r\n<span class=\"gp\">[root@CENTOS7 ~]#<\/span>\r\n<\/code><\/pre>\n<p>\u4f7f\u7528 journalctl -u test2 \u547d\u4ee4\u8fdb\u884c\u786e\u8ba4\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"gp\">[root@CENTOS7 ~]#<\/span> journalctl <span class=\"nt\">-u<\/span> test2\r\n<span class=\"go\">-- Logs begin at \u65e5 2019-12-29 17:19:15 JST, end at \u65e5 2019-12-29 18:19:45 JST.\r\n12\u6708 29 18:19:45 CENTOS7 systemd[1]: Started Test2Service.\r\n12\u6708 29 18:19:45 CENTOS7 echo[1444]: display1 display2\r\n<\/span><\/code><\/pre>\n<p>\u5728\/etc\/sysconfig\/test2\u4e2d\u8bbe\u7f6e\u7684\u53d8\u91cfTEST_VALUE1\u3001TEST_VALUE2\u7684\u503c\uff0c\u663e\u793a\u4e86display1\u3001display2\u3002<\/p>\n<h1>\u88dc\u8db3 &#8211; bu zu (supplement, fill in the gap)<\/h1>\n<p>\u53e6\u5916\uff0c\u5728\u73af\u5883\u53d8\u91cf\u6587\u4ef6\/etc\/sysconfig\/test2\u4e2d\uff0c\u5373\u4f7f\u6307\u5b9a\u4e86TEST_VALUE1=$PATH\u7b49\uff0c\u4f46\u662f\u5982\u4e0b\u6240\u8ff0\uff0c$PATH\u4e0d\u4f1a\u88ab\u5c55\u5f00\u3002<\/p>\n<pre class=\"post-pre\"><code>TEST_VALUE1=display1\r\nTEST_VALUE2=\uff04PATH\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code><span class=\"gp\">[root@CENTOS7 ~]#<\/span> systemctl start test2\r\n<span class=\"gp\">[root@CENTOS7 ~]#<\/span> journalctl <span class=\"nt\">-u<\/span> test2\r\n<span class=\"go\">-- Logs begin at \u65e5 2019-12-29 17:19:15 JST, end at \u65e5 2019-12-29 18:25:04 JST.\r\n12\u6708 29 18:25:04 CENTOS7 systemd[1]: Started Test2Service.\r\n<\/span><span class=\"gp\">12\u6708 29 18:25:04 CENTOS7 echo[1457]: display1 $<\/span>PATH\r\n<\/code><\/pre>\n<p>\u4ee5\u4e0a<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5728\u4f7f\u7528systemctl\u547d\u4ee4\u542f\u52a8\u670d\u52a1\u65f6\uff0c\u4ecb\u7ecd\u4e86\u5728Unit\u5b9a\u4e49\u6587\u4ef6\u4e2d\u4f7f\u7528\u53d8\u91cf\u7684\u65b9\u6cd5\u3002 \u73af\u5883 OS\uff1aCentOS  [&hellip;]<\/p>\n","protected":false},"author":10,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[227],"class_list":["post-28733","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-227"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u5728systemd\u7684\u5355\u5143\u5b9a\u4e49\u6587\u4ef6\u4e2d\u5982\u4f55\u4f7f\u7528\u53d8\u91cf. - Blog - Silicon Cloud<\/title>\n<meta name=\"description\" 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