{"id":233,"date":"2013-05-14T16:32:37","date_gmt":"2013-05-14T08:32:37","guid":{"rendered":"http:\/\/www.321211.net\/?p=233"},"modified":"2013-05-14T16:32:37","modified_gmt":"2013-05-14T08:32:37","slug":"systemd-%e7%9a%84%e9%85%8d%e7%bd%ae%e6%96%87%e4%bb%b6%e7%9a%84%e7%bc%96%e5%86%99%e4%b8%80unit%e5%92%8cinstall%e3%80%81%e9%80%9a%e7%94%a8","status":"publish","type":"post","link":"https:\/\/www.321211.xyz\/?p=233","title":{"rendered":"systemd \u7684\u914d\u7f6e\u6587\u4ef6\u7684\u7f16\u5199(\u4e00[Unit]\u548c[Install]\u3001\u901a\u7528)"},"content":{"rendered":"<p>\u4e0a\u4e00\u7bc7\u6587\u7ae0\u7b80\u5355\u7684\u8bf4\u4e86\u4e0b\u600e\u4e48\u5199 .service \u6587\u4ef6\uff0c\u4ece\u8fd9\u7bc7\u5f00\u59cb\uff0c\u8be6\u7ec6\u7684\u4ecb\u7ecd\u4e0b systemd \u7684\u914d\u7f6e\u6587\u4ef6\u5982\u4f55\u7f16\u5199\u3002<\/p>\n<p><span style=\"font-size: 1.5em;\">\u4e00\u3001\u57fa\u672c\u60c5\u51b5<\/span><\/p>\n<p>systemd \u5176\u5b9e\u9664\u4e86\u5e38\u7528\u7684 .service \u6587\u4ef6\uff0c\u8fd8\u6709\u4ee5\u4e0b\u51e0\u79cd\u914d\u7f6e\u6587\u4ef6\uff0c\u5206\u522b\u5b9e\u73b0\u4e0d\u540c\u7684\u529f\u80fd\uff1a<code>.socket<\/code>,\u00a0<code>.device<\/code>,\u00a0<code>.mount<\/code>,\u00a0<code>.automount<\/code>,\u00a0<code>.swap<\/code>,\u00a0<code>.target<\/code>,\u00a0<code>.path<\/code>,\u00a0<code>.timer<\/code>,\u00a0<code>.snapshot\uff0c\u57fa\u672c\u4e0a\u770b\u6269\u5c55\u540d\u5c31\u77e5\u9053\u4ec0\u4e48\u610f\u601d\u4e86\u3002\u6240\u6709\u8fd9\u6b64\u6587\u4ef6\uff0c\u90fd\u548c .service \u4e00\u6837\uff0c\u4f7f\u7528 .desktop \u6587\u4ef6\u7684\u8bed\u6cd5\uff08\u5373 windows \u4e0b ini \u6587\u4ef6\u7684\u8bed\u6cd5\uff09\uff0c\u5176\u5177\u4f53\u5185\u5bb9\u53ef\u4ee5\u53c2\u8003<span style=\"color: #ff0000;\"><a href=\"http:\/\/standards.freedesktop.org\/desktop-entry-spec\/latest\/\" target=\"_blank\"><span style=\"color: #ff0000;\">\u8fd9\u91cc<\/span><\/a><\/span><span style=\"color: #ff0000;\"><span style=\"color: #ff0000;\">\u3002<\/span><span style=\"color: #ff0000;\"><br \/>\n<\/span><\/span><\/code><\/p>\n<p>\u6240\u6709\u7684\u8fd9\u4e9b\u6587\u4ef6\u90fd\u6709\u5171\u540c\u7684\u4e24\u4e2a group \uff0c\u6216\u8005\u8bf4 section\uff0c\u5373 [Unit] \u548c [Install]\uff08\u6ce8\u610f\uff0c\u8fd9\u4e9b\u6587\u4ef6\u7684\u5185\u5bb9\u90fd\u662f\u533a\u5206\u5927\u5c0f\u5199\u7684\uff09\uff0c\u4e0d\u540c\u6587\u4ef6\u53ef\u80fd\u5176\u5b83\u4e0d\u540c\u7684\u6bb5\uff0c\u6bd4\u5982[Service]\/[Mount]\u7b49\u3002\u4e0b\u9762\u5c31\u5177\u4f53\u4ecb\u7ecd\u4e0b\u8fd9\u4e9b\u6587\u4ef6\u3002<\/p>\n<p>\u8fd9\u4e9b\u6587\u4ef6\u5728\u542f\u52a8\u65f6\u6309\u4e00\u5b9a\u7684\u987a\u5e8f\u8f7d\u5165\uff0c\u4e00\u822c\u60c5\u51b5\u4e0b\u662f\u8fd9\u6837\u7684\uff1a<\/p>\n<div>\n<p><b>\u88681. \u4ee5\u7cfb\u7edf\u6a21\u5f0f\u8fd0\u884c\u65f6\u7684\u8f7d\u5165\u987a\u5e8f (<code>--system<\/code>).<\/b><\/p>\n<div>\n<table summary=\"&lt;br \/&gt;&lt;br \/&gt;&lt;br \/&gt;&lt;br \/&gt;&lt;br \/&gt;\n                    Load path when running in system mode (--system).&lt;br \/&gt;&lt;br \/&gt;&lt;br \/&gt;&lt;br \/&gt;&lt;br \/&gt;\n                  \" border=\"1\"><\/p>\n<colgroup>\n<col \/>\n<col \/><\/colgroup>\n<thead>\n<tr>\n<th>\u8def\u5f84<\/th>\n<th>\u63cf\u8ff0<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><code>\/run\/systemd\/generator.early<\/code><\/td>\n<td>Generated units (early)<\/td>\n<\/tr>\n<tr>\n<td><code>\/etc\/systemd\/system<\/code><\/td>\n<td>\u672c\u5730\u914d\u7f6e<\/td>\n<\/tr>\n<tr>\n<td><code>\/run\/systemd\/systemd<\/code><\/td>\n<td>Volatile units<\/td>\n<\/tr>\n<tr>\n<td><code>\/run\/systemd\/generator<\/code><\/td>\n<td>Generated units (middle)<\/td>\n<\/tr>\n<tr>\n<td><code>\/usr\/local\/lib\/systemd\/system<\/code><\/td>\n<td>local \u5305\u4e2d\u7684\u6587\u4ef6<\/td>\n<\/tr>\n<tr>\n<td><code>\/usr\/lib\/systemd\/system<\/code><\/td>\n<td>\u5b89\u88c5\u5305\u4e2d\u7684\u6587\u4ef6<\/td>\n<\/tr>\n<tr>\n<td><code>\/run\/systemd\/generator.late<\/code><\/td>\n<td>Generated units (late)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<p>&nbsp;<\/p>\n<div><a name=\"idm214748948736\"><\/a><b>\u88682. \u7528\u6237\u6a21\u5f0f\u4e0b\u7684\u8f7d\u5165\u987a\u5e8f (<code>--user<\/code>).<\/b><\/p>\n<div>\n<table summary=\"&lt;br \/&gt;&lt;br \/&gt;&lt;br \/&gt;&lt;br \/&gt;&lt;br \/&gt;\n                    Load path when running in session mode (--user).&lt;br \/&gt;&lt;br \/&gt;&lt;br \/&gt;&lt;br \/&gt;&lt;br \/&gt;\n                  \" border=\"1\"><\/p>\n<colgroup>\n<col \/>\n<col \/><\/colgroup>\n<thead>\n<tr>\n<th>\u8def\u5f84<\/th>\n<th>\u63cf\u8ff0<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><code>\/tmp\/systemd-generator.early.<em><code>XXXXXX<\/code><\/em><\/code><\/td>\n<td>Generated units (early)<\/td>\n<\/tr>\n<tr>\n<td><code>\/etc\/systemd\/user<\/code><\/td>\n<td>Local configuration<\/td>\n<\/tr>\n<tr>\n<td><code>\/run\/systemd\/user<\/code><\/td>\n<td>Volatile units<\/td>\n<\/tr>\n<tr>\n<td><code>\/tmp\/systemd-generator.<em><code>XXXXXX<\/code><\/em><\/code><\/td>\n<td>Generated units (middle)<\/td>\n<\/tr>\n<tr>\n<td><code>\/usr\/local\/lib\/systemd\/user<\/code><\/td>\n<td>Units for local packages<\/td>\n<\/tr>\n<tr>\n<td><code>\/usr\/lib\/systemd\/user<\/code><\/td>\n<td>Units for installed packages<\/td>\n<\/tr>\n<tr>\n<td><code>\/tmp\/systemd-generator.late.<em><code>XXXXXX<\/code><\/em><\/code><\/td>\n<td>Generated units (late)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u6309\u987a\u5e8f\u4ece\u9ad8\u5230\u4f4e\uff0c\u5148\u8f7d\u5165\u7684\u4f1a\u8986\u76d6\u540e\u8f7d\u5165\u7684\u3002\u4ece\u800c\uff0c\u4e00\u822c\u6765\u8bb2\uff0c\u5982\u679c\u81ea\u5df1\u5b9a\u4e49\u7684 .service \uff0c\u8981\u653e\u5728\/etc\/systemd\/system\u91cc\uff0c\u5982\u679c\u662f\u6253\u5305\uff0c\u8981\u653e\u5728\/usr\/lib\/systemd\/system\u91cc\uff0c\u5728Magic\u4e0a\uff0c\u8fd9\u4e2a\u8def\u5f84\u5728rpm\u6253\u5305\u7684\u65f6\u5019\u53ef\u4ee5\u7528%{_unitdir}\u6765\u4ee3\u66ff\u3002<\/p>\n<p>\u5728\u7528\u6237\u6a21\u5f0f\u8fd0\u884c\u65f6 (&#8211;user)\uff0c\u53ef\u4ee5\u7528\u53d8\u91cf\u00a0$SYSTEMD_UNIT_PATH\u3000\u6307\u5b9a\u8def\u5f84\u3002<\/p>\n<p>\u4e5f\u53ef\u80fd\u4f7f\u7528 systemctl \u7684 link \u6307\u4ee4\u6765\u6307\u5b9a\u4e0d\u5728\u4e0a\u9762\u8fd9\u4e9b\u76ee\u5f55\u4e2d\u7684\u914d\u7f6e\uff08\u5f88\u5c11\u89c1\uff09\u3002<\/p>\n<p>\u8fd9\u4e9b\u6587\u4ef6\u91cc\u53ef\u80fd\u542b\u6709\u4e0d\u80fd\u652f\u6301\u7684\u9009\u9879\uff0csystemd\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u4f1a\u7ed9\u51fa\u8b66\u544a\u7136\u540e\u7ee7\u7eed\u8fd0\u884c\u3002\u5982\u679c\u4e00\u4e2a\u9009\u9879\u4ee5X-\u5f00\u5934\uff0csystemd\u4f1a\u5b8c\u5168\u5ffd\u7565\u5b83\u3002\u4e0d\u8fc7\u5e94\u7528\u7a0b\u5e8f\u53ef\u4ee5\u4f7f\u7528\u8fd9\u4e9b\u6587\u4ef6\u5305\u542b\u7684\u9644\u52a0\u4fe1\u606f\u3002<\/p>\n<p>\u5173\u4e8e\u6587\u4ef6\u4e2d\u7684\u6570\u636e\u7c7b\u578b\u3002\u5e03\u5c14\u7c7b\u578b\u53ef\u4ee5\u5199\u6210\u591a\u79cd\u683c\u5f0f\uff0c\u771f\u503c\u53ef\u4ee5\u5199\u6210 1,yes,true,on\uff0c\u5047\u503c\u53ef\u4ee5\u5199\u62100,no,false,off\u3002<\/p>\n<p>\u65f6\u95f4\u7c7b\u578b\u4e5f\u652f\u6301\u591a\u79cd\u683c\u5f0f\uff0c\u4e00\u4e2a\u5355\u72ec\u7684\u6570\u5b57\uff0c\u6307\u591a\u5c11\u79d2\uff1b\u4e5f\u53ef\u4ee5\u5e26\u6709\u65f6\u95f4\u540e\u7f00\uff0c\u5982\u679c\u591a\u4e2a\u540e\u7f00\u5728\u4e00\u8d77\uff0c\u4f1a\u76f8\u52a0\u3002\u4f8b\u5982\uff1a\u201c50\u201d\u6307\u7684\u662f50\u79d2\uff0c\u201c2min 200ms\u201d\u6307\u7684\u662f2\u5206\u949f200\u6beb\u79d2\uff0c\u5373120200\u6beb\u79d2\u3002\u6587\u4ef6\u4e2d\u53ef\u4ee5\u652f\u6301\u8fd9\u6837\u7684\u65f6\u95f4\u540e\u7f00\uff1as, min, h, d, w, ms, us\u3002\u5177\u4f53\u7684\u5185\u5bb9\u5728\u8ba8\u8bba.time\u6587\u4ef6\u7684\u90a3\u6bb5\u8fd8\u4f1a\u518d\u8bf4\u3002<\/p>\n<p>\u7a7a\u884c\u548c\u4ee5#\u548c;\u5f00\u59cb\u7684\u884c\u4f1a\u88ab\u5ffd\u7565\uff0c\u6240\u4ee5\u8fd9\u53ef\u4ee5\u7528\u6765\u5199\u6ce8\u91ca\u3002\u4ee5\u53cd\u659c\u6760\uff08\\\uff09\u8fde\u63a5\u5728\u4e00\u8d77\u7684\u884c\uff0c\u5904\u7406\u65f6\u4f1a\u5c06\u53cd\u659c\u6760\u66ff\u6362\u6210\u7a7a\u683c\uff0c\u6240\u4ee5\u53ef\u4ee5\u7528\u8fd9\u4e2a\u6765\u628a\u592a\u957f\u7684\u884c\u5206\u6210\u591a\u884c\u3002<\/p>\n<p>\u548c\u4e00\u4e2a foo.service \u6587\u4ef6\u5728\u4e00\u8d77\u5b58\u5728\u7684\u53ef\u80fd\u6709\u4e00\u4e2a foo.service.wants\/ \u76ee\u5f55\uff0c\u6240\u6709\u8fd9\u4e2a\u76ee\u5f55\u91cc\u7684\u94fe\u63a5\u7684\u8fd9\u4e9b\u6587\u4ef6\u90fd\u9690\u542b\u7684\u589e\u52a0\u5728 Wants= \u952e\u7684\u540e\u9762\uff0c\u8fd9\u6837\u53ef\u4ee5\u5728\u4e0d\u4fee\u6539\u539f\u6587\u4ef6\u7684\u60c5\u51b5\u4e0b\uff0c\u4e3a\u5176\u589e\u52a0\u4f9d\u8d56\u5173\u7cfb\u3002\u5173\u4e8e Wants= \u7684\u8be6\u7ec6\u4fe1\u606f\u53ef\u4ee5\u770b\u4e0b\u9762\u3002\u5efa\u7acb\u8fd9\u4e9b\u94fe\u63a5\u7684\u529e\u6cd5\u662f\u5728 systemctl enable \u547d\u4ee4\u65f6\u901a\u8fc7\u8bfb\u53d6\u6587\u4ef6\u4e2d\u7684 [Install] \u6bb5\u6765\u5efa\u7acb\u3002\u7c7b\u4f3c\u7684\u8fd8\u6709 .requires\/ \u76ee\u5f55\uff0c\u5bf9\u5e94\u7684\u5c31\u662fRequires= \u3002<\/p>\n<p>\u548c\u4e00\u4e2a foo.service \u6587\u4ef6\u4e00\u8d77\u5b58\u5728\u7684\u8fd8\u53ef\u80fd\u6709\u4e00\u4e2a\u3000foo.service.d\/ \u76ee\u5f55\uff0c\u6240\u6709\u5728\u8fd9\u4e2a\u76ee\u5f55\u4e2d\u5e26\u6709.conf\u540e\u7f00\u7684\u6587\u4ef6\u4f1a\u5728 foo.service \u672c\u8eab\u89e3\u6790\u540e\u8fdb\u884c\u89e3\u6790\uff0c\u8fd9\u5bf9\u4e0d\u7f16\u8f91 foo.service \u6587\u4ef6\u800c\u7ed9\u5b83\u589e\u52a0\u4e00\u4e9b\u914d\u7f6e\u662f\u5f88\u6709\u7528\u7684\u3002\u6ce8\u610f\u786e\u4fdd\u89e3\u6790\u7684\u6307\u4ee4\u6709\u76f8\u5e94\u7684\u8282\u5934\u3002<\/p>\n<p>\u5982\u679c\u4e00\u884c\u4ee5.include \u5f00\u5934\uff0c\u540e\u9762\u8ddf\u4e0a\u6587\u4ef6\u540d\uff0c\u8fd9\u6837\u4f1a\u628a\u6307\u5b9a\u7684\u6587\u4ef6\u89e3\u6790\uff0c\u6ce8\u610f\u786e\u4fdd\u89e3\u6790\u7684\u6307\u4ee4\u6709\u76f8\u5e94\u7684\u8282\u5934\u3002\u548c\u5176\u5b83\u8bed\u8a00\u7684\u5305\u542b\u6587\u4ef6\u5dee\u4e0d\u591a\u3002<\/p>\n<p>\u6ce8\u610f\uff0c\u867d\u7136 systemd \u63d0\u4f9b\u4e86\u8fd9\u6837\u4e00\u4e2a\u7075\u6d3b\u7684\u4f9d\u8d56\u7cfb\u7edf\uff0c\u4f46\u662f\u5efa\u8bae\u4e0d\u662f\u5fc5\u8981\u7684\u60c5\u51b5\uff0c\u4e0d\u4f7f\u7528\u6b64\u529f\u80fd\uff0c\u800c\u662f\u901a\u8fc7\u57fa\u4e8e\u603b\u7ebf(bus)\u6216\u5957\u63a5\u5b57(socket)\u7684\u6fc0\u6d3b\u8ba9 systemd \u6765\u81ea\u5df1\u5904\u7406\u8fd9\u4e9b\u4f9d\u8d56\u5173\u7cfb\uff0c\u8fd9\u6837\u53ef\u4ee5\u5b9e\u73b0\u66f4\u7b80\u5355\u3001\u7075\u6d3b\u7684\u7cfb\u7edf\u3002\uff08<span style=\"color: #c0c0c0;\">\u5410\u4e2a\u69fd\uff0c\u8fd9\u4e2a\u5176\u5b9e\u6ca1\u90a3\u4e48\u5bb9\u6613<\/span>\uff09<\/p>\n<p>\u6709\u4e9b\u6587\u4ef6\u7684\u540d\u79f0\u53cd\u6620\u4e86\u73b0\u6709\u7cfb\u7edf\u7684\u8def\u5f84\uff0c\u6bd4\u5982 dev-sda.device \u662f\u6307 \/dev\/sda \u8bbe\u5907\uff0c\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u9700\u8981\u4f7f\u7528\u4e00\u4e9b\u66ff\u6362\uff0c\u6bd4\u5982 \/ \u88ab\u6362\u6210 -\uff0c\u6240\u6709\u4e0d\u53ef\u6253\u5370\u5b57\u7b26\u548c-\u6362\u6210\\x20\uff0croot\u76ee\u5f55\/\u6362\u6210-\uff0c\u800c\u5176\u5b83\u7684\u524d\u540e\u7684\/\u90fd\u88ab\u5220\u9664\u3002<\/p>\n<p>\u6709\u65f6\uff0csystemd \u53ef\u4ee5\u5728\u8fd0\u884c\u65f6\u4ece\u4e00\u4e2a\u6a21\u677f\u6587\u4ef6\u4ea7\u751f\u4e00\u4e2a\u5b9e\u4f8b\uff0c\u8fd9\u6837\u53ef\u4ee5\u8ba9 systemd \u4ece\u4e00\u4e2a\u5355\u4e00\u6587\u4ef6\u4ea7\u751f\u591a\u4e2a\u5355\u5143\u6587\u4ef6\uff0csystemd\u9996\u5148\u4f1a\u5728\u6587\u4ef6\u7cfb\u7edf\u4e2d\u67e5\u627e\u6587\u4ef6\uff0c\u5982\u679c\u6ca1\u6709\u627e\u5230\uff0c\u800c\u6587\u4ef6\u540d\u4e2d\u5305\u542b@\u5b57\u7b26\uff0c\u90a3\u5b83\u4f1a\u53bb\u627e\u6a21\u677f\u6587\u4ef6\uff0c\u5176\u540d\u79f0\u662f\u4fdd\u7559@\u524d\u9762\u548c\u540e\u7f00\u3002\u4f8b\u5982\uff1a\u5982\u679c\u627egetty@tty3.serivce\u6ca1\u6709\u627e\u5230\uff0c\u90a3\u4e48systemd\u4f1a\u627egetty@.service\uff0c\u5e76\u5c06\u5b83\u4ece\u914d\u7f6e\u6587\u4ef6\u4e2d\u5b9e\u4f8b\u5316\u3002\u914d\u7f6e\u6587\u4ef6\u4e2d\u7528\u4e8e\u5b9e\u4f8b\u5316\u7684\u5b57\u7b26\u4e32\uff0c\u53ef\u4ee5\u7528\u7279\u6b8a\u5b57\u7b26 i% \u6765\u6307\u5b9a\uff0c\u8be6\u7ec6\u63cf\u8ff0\u8bf7\u53c2\u770b\u540e\u9762\u3002<\/p>\n<p>\u5982\u679c\u6587\u4ef6\u662f\u7a7a\u7684\uff0c\u6216\u94fe\u63a5\u5230\/dev\/null\uff0c\u5b83\u5c06\u4e0d\u88ab\u52a0\u8f7d\uff0c\u8fd9\u6837\u53ef\u4ee5\u7528\u6765\u7981\u7528\u670d\u52a1\uff0c\u8ba9\u5b83\u5373\u4f7f\u624b\u5de5\u4e5f\u65e0\u6cd5\u542f\u52a8\u3002<\/p>\n<p>\u8fd9\u4e9b\u6587\u4ef6\u7684\u683c\u5f0f\u57fa\u672c\u662f\u7a33\u5b9a\u7684\uff08\u4ecesystemd 26\uff0c\u5373 fedora15\u4ee5\u540e\uff09\uff0c\u5177\u4f53\u7684\u53ef\u4ee5<a href=\"http:\/\/www.freedesktop.org\/wiki\/Software\/systemd\/InterfaceStabilityPromise\" target=\"_blank\">\u53c2\u770b\u8fd9\u91cc<\/a>\uff0c\u5c31\u662f\u8bf4\u5728\u5c06\u6765\u7684\u7248\u672c\u4e2d\uff0c\u8fd9\u4e9b\u914d\u7f6e\u4ecd\u7136\u5b8c\u5168\u53ef\u7528\u3002<\/p>\n<p><span style=\"font-size: 1.5em;\">\u4e8c\u3001\u9009\u9879 [Unit] \u6bb5<\/span><\/p>\n<\/div>\n<div>[Unit]\u6bb5\u662f\u4e0d\u4f9d\u8d56\u7279\u5b9a\u6587\u4ef6\u7c7b\u578b\u7684\u4e00\u4e9b\u4e00\u822c\u4fe1\u606f\uff0c\u5176\u53ef\u7528\u952e\u5982\u4e0b\uff1a<\/div>\n<div><\/div>\n<div>Description=\u3000\u3000\u3000\uff1a\u4e00\u4e9b\u63cf\u8ff0\uff0c\u663e\u793a\u7ed9\u7528\u6237\u754c\u9762\u770b\u7684\uff0c\u53ef\u4ee5\u662f\u4efb\u4f55\u5b57\u7b26\u4e32\uff0c\u4e00\u822c\u662f\u5173\u4e8e\u670d\u52a1\u7684\u8bf4\u660e\u3002<\/div>\n<div><\/div>\n<div>Documentation=\u3000\u3000\uff1a\u6307\u5b9a\u53c2\u8003\u6587\u6863\u7684\u5217\u8868\uff0c\u4ee5\u7a7a\u683c\u5206\u5f00\u7684 URI \u5f62\u5f0f\uff0c\u5982http:\/\/, https:\/\/, file:, info:, man:\uff0c\u8fd9\u662f\u6709\u987a\u5e8f\u7684\uff0c\u6700\u597d\u662f\u5148\u89e3\u91ca\u8fd9\u4e2a\u670d\u52a1\u7684\u76ee\u7684\u662f\u4ec0\u4e48\uff0c\u7136\u540e\u662f\u5b83\u662f\u5982\u4f55\u914d\u7f6e\u7684\uff0c\u518d\u7136\u540e\u662f\u5176\u5b83\u6587\u4ef6\uff0c\u8fd9\u4e2a\u9009\u9879\u53ef\u4ee5\u591a\u6b21\u6307\u5b9a\uff0c\u4f1a\u5c06\u591a\u884c\u7684\u5408\u5e76\uff0c\u5982\u679c\u6307\u5b9a\u4e86\u4e00\u4e2a\u7a7a\u7684\uff0c\u90a3\u4e48\u4f1a\u91cd\u7f6e\u6b64\u9879\uff0c\u524d\u7684\u914d\u7f6e\u4e0d\u5728\u8d77\u4f5c\u7528\u3002<\/div>\n<div><\/div>\n<div>Requires=\u3000\u3000\u3000\uff1a\u6307\u5b9a\u6b64\u670d\u52a1\u4f9d\u8d56\u7684\u5176\u5b83\u670d\u52a1\uff0c\u5982\u679c\u672c\u670d\u52a1\u88ab\u6fc0\u6d3b\uff0c\u90a3\u4e48 Requires \u540e\u9762\u7684\u670d\u52a1\u4e5f\u4f1a\u88ab\u6fc0\u6d3b\uff0c\u53cd\u4e4b\uff0c\u5982\u679c Requires \u540e\u9762\u7684\u670d\u52a1\u88ab\u505c\u6b62\u6216\u65e0\u6cd5\u542f\u52a8\uff0c\u5219\u672c\u670d\u52a1\u4e5f\u4f1a\u505c\u6b62\u3002\u8fd9\u4e2a\u9009\u9879\u53ef\u4ee5\u6307\u5b9a\u591a\u6b21\uff0c\u90a3\u4e48\u5c31\u8981\u6c42\u6240\u6709\u6307\u5b9a\u7684\u670d\u52a1\u90fd\u88ab\u6fc0\u6d3b\u3002\u9700\u8981\u6ce8\u610f\u7684\u662f\u8fd9\u4e2a\u9009\u9879\u4e0d\u5f71\u54cd\u542f\u52a8\u6216\u505c\u6b62\u7684\u987a\u5e8f\uff0c\u542f\u52a8\u987a\u5e8f\u4f7f\u7528\u5355\u53e5\u7684 After= \u548c Before= \u6765\u914d\u7f6e\u3002\u4f8b\u5982\uff0c\u5982\u679c foo.service \u4f9d\u8d56 \u00a0bar.serivce\uff0c\u4f46\u662f\u53ea\u914d\u7f6e\u4e86 Requires= \u800c\u6ca1\u6709 After= \u6216 Before=\uff0c\u90a3\u4e48 foo.service \u542f\u52a8\u65f6\u4f1a\u540c\u65f6\u6fc0\u6d3b foo.service \u548c bar.service\u3002\u901a\u5e38\u4f7f\u7528 Wants= \u4ee3\u66ff Requires= \u662f\u66f4\u597d\u7684\u9009\u62e9\uff0c\u56e0\u4e3a\u7cfb\u7edf\u4f1a\u66f4\u597d\u7684\u5904\u7406\u670d\u52a1\u5931\u8d25\u7684\u60c5\u51b5\u3002\u6ce8\u610f\uff0c\u8fd9\u79cd\u4f9d\u8d56\u5173\u7cfb\uff0c\u4e5f\u53ef\u4ee5\u5728\u6587\u4ef6\u4e4b\u5916\u6765\u5904\u7406\uff0c\u5373\u4f7f\u7528 .requires\/ \u76ee\u5f55\uff0c\u53ef\u4ee5\u53c2\u770b\u4e0a\u9762\u7684\u8bf4\u660e\u3002<\/div>\n<div><\/div>\n<div>RequiresOverridable= \u00a0 \u00a0 \uff1a\u7c7b\u4f3c\u4e0a\u9762\u7684 Requires= \uff0c\u4e0d\u8fc7\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u53ea\u8981\u7528\u6237\u660e\u786e\u8981\u6c42\u5b83\u542f\u52a8\uff0c\u624d\u4f1a\u5f71\u54cd\u5230\u88ab\u4f9d\u8d56\u7684\u670d\u52a1\uff0c\u4e0d\u7136\u670d\u52a1\u51fa\u9519\u4ec0\u4e48\u7684\uff0c\u4e0d\u4f1a\u5f71\u54cd\u88ab\u4f9d\u8d56\u670d\u52a1\u7684\u542f\u52a8\u3002<\/div>\n<div><\/div>\n<div><code>Requisite=<\/code>,\u00a0<code>RequisiteOverridable=\u3000\u3000\uff1a\u5206\u522b\u7c7b\u4f3c\u4e0a\u9762\u7684\u4e24\u4e2a\uff0c\u4e0d\u8fc7\u5982\u679c\u662f\u8fd9\u4e2a\u6307\u5b9a\u670d\u52a1\u6ca1\u6709\u542f\u52a8\uff0c\u88ab\u4f9d\u8d56\u7684\u670d\u52a1\u4f1a\u4e0d\u542f\u52a8\uff0c\u7acb\u5373\u5931\u8d25\u3002<\/code><\/div>\n<div><\/div>\n<div>Wants= \u00a0 \u00a0\uff1a\u76f8\u5bf9\u5f31\u5316\u7684 Requires= \uff0c\u8fd9\u91cc\u5217\u51fa\u7684\u670d\u52a1\u4f1a\u88ab\u542f\u52a8\uff0c\u4f46\u5982\u679c\u65e0\u6cd5\u542f\u52a8\u6216\u65e0\u6cd5\u6dfb\u52a0\u5230\u4e8b\u52a1\u5904\u7406\uff0c\u5e76\u4e0d\u5f71\u54cd\u672c\u670d\u52a1\u505a\u4e3a\u4e00\u4e2a\u6574\u4f53\u7684\u542f\u52a8\u3002\u8fd9\u662f\u63a8\u8350\u7684\u4e24\u4e2a\u670d\u52a1\u5173\u8054\u7684\u65b9\u5f0f\u3002\u8fd9\u79cd\u4f9d\u8d56\u4e5f\u53ef\u4ee5\u914d\u7f6e\u6587\u4ef6\u5916\uff0c\u901a\u8fc7 .wants\/ \u76ee\u5f55\u6dfb\u52a0\uff0c\u5177\u4f53\u53ef\u4ee5\u770b\u4e0a\u9762\u7684\u8bf4\u660e\u3002<\/div>\n<div><\/div>\n<div>BindsTo=\u3000\uff1a\u548c Requires= \u5f88\u50cf\uff0c\u4f46\u662f\u8fd9\u79cd\u60c5\u51b5\uff0c\u5982\u679c\u4ed6\u540e\u9762\u5217\u51fa\u7684\u670d\u52a1\u505c\u6b62\u8fd0\u884c\u6216\u5d29\u6e83\u4e4b\u7c7b\u7684\uff0c\u672c\u670d\u52a1\u4e5f\u4f1a\u540c\u65f6\u505c\u6b62\u3002<\/div>\n<div><\/div>\n<div>PartOf=\u3000\u3000\uff1a\u53c8\u4e00\u4e2a\u7c7b\u4f3c Requires= \u7684\u9009\u9879\uff0c\u4f46\u662f\u9650\u5236\u5728\u505c\u6b62\u6216\u91cd\u542f\u52a8\u670d\u52a1\uff0c\u5982\u679c\u8fd9\u91cc\u5217\u51fa\u7684\u670d\u52a1\u88ab\u505c\u6b62\u6216\u91cd\u542f\u52a8\uff0c\u90a3\u4e48\u672c\u670d\u52a1\u4e5f\u4f1a\u505c\u6b62\u6216\u91cd\u542f\u52a8\uff0c\u6ce8\u610f\u8fd9\u4e2a\u4f9d\u8d56\u662f\u610f\u5411\uff0c\u5373\u672c\u670d\u52a1\u505c\u6b62\u6216\u91cd\u542f\u52a8\uff0c\u4e0d\u4f1a\u5f71\u54cd\u5230\u8fd9\u91cc\u5217\u51fa\u670d\u52a1\u7684\u8fd0\u884c\u72b6\u6001\u3002<\/div>\n<div><\/div>\n<div>Conflicts=\u3000\uff1a\u914d\u7f6e\u4e00\u4e2a\u4f9d\u8d56\u51b2\u7a81\uff0c\u5982\u679c\u914d\u7f6e\u4e86\u4e9b\u9879\uff0c\u90a3\u4e48\uff0c\u5f53\u4e00\u4e2a\u670d\u52a1\u542f\u52a8\u65f6\uff0c\u6216\u505c\u6b62\u6b64\u5904\u5217\u51fa\u7684\u670d\u52a1\uff0c\u53cd\u8fc7\u6765\uff0c\u5982\u679c\u8fd9\u91cc\u5217\u51fa\u7684\u670d\u52a1\u542f\u52a8\uff0c\u90a3\u4e48\u672c\u670d\u52a1\u5c31\u4f1a\u505c\u6b62\uff0c\u5373\u540e\u542f\u52a8\u7684\u624d\u8d77\u4f5c\u7528\u3002\u6ce8\u610f\uff0c\u6b64\u8bbe\u7f6e\u548c After= \u548c Before= \u662f\u4e92\u76f8\u72ec\u7acb\u7684\u3002\u5982\u679c\u670d\u52a1 A \u548c B \u51b2\u7a81\uff0c\u4e14\u5728 B \u542f\u52a8\u7684\u65f6\u5019\u540c\u65f6\u542f\u52a8\uff0c\u90a3\u4e48\u6709\u53ef\u80fd\u4f1a\u542f\u52a8\u5931\u8d25\uff08\u4e24\u90fd\u90fd\u662f\u5fc5\u9700\u7684\uff09\u6216\u4fee\u6539\u4ee5\u4fee\u590d\u5b83\uff08\u4e24\u8005\u4e4b\u4e00\u6216\u4e24\u90fd\u90fd\u4e0d\u662f\u5fc5\u9700\u7684\uff09\uff0c\u540e\u4e00\u79cd\u60c5\u51b5\uff0c\u4f1a\u5c06\u4e0d\u9700\u8981\u7684\u4f9d\u8d56\u5220\u9664\uff0c\u6216\u505c\u6b62\u51b2\u7a81\u3002<\/div>\n<div><\/div>\n<div><code>Before=<\/code>,\u00a0<code>After=\u3000\u3000\uff1a\u914d\u7f6e\u670d\u52a1\u95f4\u7684\u542f\u52a8\u987a\u5e8f\uff0c\u6bd4\u5982\u4e00\u4e2a foo.service \u5305\u542b\u4e86\u4e00\u884c Before=bar.service\uff0c\u90a3\u4e48\u5f53\u4ed6\u4eec\u540c\u65f6\u542f\u52a8\u65f6\uff0cbar.service \u4f1a\u7b49\u5f85 foo.service \u542f\u52a8\u5b8c\u6210\u540e\u624d\u542f\u52a8\u3002\u6ce8\u610f\u8fd9\u4e2a\u8bbe\u7f6e\u548c Requires= \u7684\u76f8\u4e92\u72ec\u7acb\u7684\uff0c\u540c\u65f6\u5305\u542b After= \u548c Requires= \u4e5f\u662f\u5e38\u89c1\u7684\u3002\u6b64\u9009\u9879\u53ef\u4ee5\u6307\u5b9a\u4e00\u6b21\u4ee5\u4e0a\uff0c\u8fd9\u65f6\u662f\u6309\u987a\u5e8f\u5168\u90e8\u542f\u52a8\u3002<\/code><\/div>\n<div><\/div>\n<div>OnFailure= \u00a0 \u00a0 \u3000\u3000\uff1a\u5217\u51fa\u4e00\u4e2a\u6216\u66f4\u591a\u7684\u670d\u52a1\uff0c\u5f53\u672c\u670d\u52a1\u542f\u52a8\u72b6\u6001\u662f failed \u7684\u65f6\u5019\uff0c\u6fc0\u6d3b\u8fd9\u4e9b\u670d\u52a1\u3002<\/div>\n<div><\/div>\n<div><code>PropagatesReloadTo=<\/code>,\u00a0<code>ReloadPropagatedFrom=\u3000\u3000\uff1a\u8fd9\u4e24\u4e2a\u662f\u5217\u51fa\u4e00\u4e9b\u670d\u52a1\uff0c\u5f53\u5176\u5b83\u670d\u52a1 reload \u65f6\u540c\u65f6 reload \u8fd9\u4e2a\u670d\u52a1\uff0c\u6216\u8005\u53cd\u4e4b\u3002<\/code><\/div>\n<div><\/div>\n<div>RequiresMountsFor=\u3000\u3000\uff1a\u7528\u7a7a\u683c\u5206\u5f00\u7684\u7edd\u5bf9\u8def\u5f84\u5217\u8868\uff0c\u662f Requires= \u548c After= \u6dfb\u52a0\u7684\u4f9d\u8d56\u4e2d\u7684 mount \u6587\u4ef6\u9700\u8981\u8bbf\u95ee\u7684\u6307\u5b9a\u7684\u8def\u5f84\u3002<\/div>\n<div><\/div>\n<div>OnFailureIsolate=\u3000\u3000\uff1a\u662f\u4e00\u4e2a\u5e03\u5c14\u503c\uff0c\u5982\u679c\u662f\u771f\uff0c\u90a3\u4e48 OnFailure= \u540e\u9762\u7684\u670d\u52a1\u4f1a\u8fdb\u5165\u9694\u79bb\u6a21\u5f0f\uff0c\u5373\u6240\u6709\u4e0d\u662f\u5b83\u4f9d\u8d56\u7684\u670d\u52a1\u90fd\u4f1a\u505c\u6b62\u3002\u5982\u679c\u53ea\u8bbe\u7f6e\u4e00\u4e2a\u670d\u52a1\uff0c\u53ef\u4ee5\u653e\u5728 OnFailure= \u540e\uff0c\u9ed8\u8ba4\u503c\u662f\u5047\u3002<\/div>\n<div><\/div>\n<div><code>IgnoreOnIsolate= \u00a0 \u3000\uff1a\u4e00\u4e2a\u5e03\u5c14\u503c<span style=\"font-family: Georgia, 'Times New Roman', 'Bitstream Charter', Times, serif;\">.\u5982\u679c\u662f\u771f\u5219\u5f53\u9694\u79bb\u5176\u5b83\u670d\u52a1\u65f6\u672c\u670d\u52a1\u4e0d\u4f1a\u505c\u6b62\uff08\u4e0d\u660e\u767d\u9694\u79bb\u662f\u4ec0\u4e48\u610f\u601d\uff0c\u5927\u6982\u5728\u540e\u9762\uff09\u3002\u9ed8\u8ba4\u662f\u5047\u3002<\/span><\/code><\/div>\n<div><code><br \/>\n<\/code><code>IgnoreOnSnapshot=\u3000\u3000\uff1a\u4e00\u4e2a\u5e03\u5c14\u503c<span style=\"font-family: Georgia, 'Times New Roman', 'Bitstream Charter', Times, serif;\">.\u5982\u679c\u662f\u771f\u5219\u672c\u670d\u52a1\u4e0d\u5305\u542b\u5feb\u7167(snapshots)\u3002\u5bf9 device \u548c snapshot \u670d\u52a1\u9ed8\u8ba4\u4e3a\u771f\uff0c\u5176\u5b83\u670d\u52a1\u9ed8\u8ba4\u4e3a\u5047\u3002<\/span><\/code><\/div>\n<div><\/div>\n<div><code><\/code><code>StopWhenUnneeded=\u3000\u3000\uff1a\u4e00\u4e2a\u5e03\u5c14\u503c\u3002\u5982\u679c\u662f\u771f\u5219\u5f53\u672c\u670d\u52a1\u4e0d\u4f7f\u7528\u65f6\u4f1a\u505c\u6b62\u3002<span style=\"font-family: Georgia, 'Times New Roman', 'Bitstream Charter', Times, serif;\">\u00a0\u6ce8\u610f\uff0c\u4e3a\u4e86\u5c3d\u91cf\u51cf\u5c11 systemd \u7684\u5de5\u4f5c\uff0c\u9ed8\u8ba4\u60c5\u51b5\u4e0b\u662f\u4e0d\u4f1a\u505c\u6b62\u4e0d\u4f7f\u7528\u7684\u670d\u52a1\u7684\uff0c\u9664\u975e\u548c\u5176\u5b83\u670d\u52a1\u51b2\u7a81\uff0c\u6216\u7528\u6237\u660e\u786e\u8981\u6c42\u505c\u6b62\u3002\u5982\u679c\u8bbe\u7f6e\u4e86\u8fd9\u4e2a\u9009\u9879\uff0c\u90a3\u4e48\u5982\u679c\u6ca1\u6709\u5176\u5b83\u6d3b\u52a8\u7684\u670d\u52a1\u9700\u8981\u6b64\u670d\u52a1\uff0c\u5b83\u4f1a\u81ea\u52a8\u505c\u6b62\u3002\u9ed8\u8ba4\u503c\u662f\u5047\u3002<\/span><\/code><\/div>\n<div><code><br \/>\n<\/code><code>RefuseManualStart=<\/code>,\u00a0<code>RefuseManualStop=\u3000\u3000\uff1a\u5e03\u5c14\u503c\u3002\u5982\u679c\u8bbe\u4e3a\u771f\u503c\uff0c\u5219\u6b64\u670d\u52a1\u53ea\u80fd\u95f4\u63a5\u7684\u6fc0\u6d3b\u6216\u505c\u6b62\u3002\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u7528\u6237\u76f4\u63a5\u542f\u52a8\u6216\u505c\u6b62\u6b64\u670d\u52a1\u4f1a\u88ab\u62d2\u7edd\uff0c\u53ea\u6709\u505a\u4e3a\u5176\u5b83\u7684\u670d\u52a1\u4f9d\u8d56\u5173\u7cfb\uff0c\u7531\u5176\u5b83\u670d\u52a1\u8fdb\u884c\u542f\u52a8\u6216\u505c\u6b62\u624d\u53ef\u4ee5\u3002\u8fd9\u4e3b\u8981\u662f\u4e3a\u4e86\u505c\u6b62\u7528\u6237\u8bef\u64cd\u4f5c\u3002\u9ed8\u8ba4\u503c\u662f\u5047\u3002<\/code><\/div>\n<div><code><br \/>\n<\/code><code>AllowIsolate=\u3000\u3000\u3000\u3000\u3000\u3000\uff1a\u5e03\u5c14\u503c\u3002\u5982\u679c\u662f\u771f\u503c\uff0c\u5219\u6b64\u670d\u52a1\u53ef\u4ee5\u4f7f\u7528<span style=\"font-family: Georgia, 'Times New Roman', 'Bitstream Charter', Times, serif;\">\u00a0<\/span><strong style=\"font-family: Georgia, 'Times New Roman', 'Bitstream Charter', Times, serif;\">systemctl isolate<\/strong><span style=\"font-family: Georgia, 'Times New Roman', 'Bitstream Charter', Times, serif;\">\u00a0\u547d\u4ee4\u8fdb\u884c\u64cd\u4f5c\u3002\u5426\u5219\u4f1a\u62d2\u7edd\u6b64\u64cd\u4f5c\u3002\u6700\u597d\u7684\u529e\u6cd5\u662f\u4e0d\u8981\u52a8\u8fd9\u5904\u9009\u9879\uff0c\u9664\u975e\u76ee\u6807\u670d\u52a1\u7684\u884c\u4e3a\u7c7b\u4f3c\u4e8e SysV \u542f\u52a8\u7cfb\u7edf\u4e2d\u7684 runlevels\u3002\u53ea\u662f\u4e00\u79cd\u9884\u9632\u63aa\u65bd\uff0c\u907f\u514d\u7cfb\u7edf\u65e0\u6cd5\u4f7f\u7528\u7684\u72b6\u6001\u3002\u9ed8\u8ba4\u503c\u662f\u5047\u3002<\/span><\/code><\/div>\n<div><code><br \/>\n<\/code><code>DefaultDependencies=\u3000\u3000\uff1a\u5e03\u5c14\u503c\u3002\u5982\u679c\u662f\u771f\uff08\u9ed8\u8ba4\u503c\uff09\uff0c\u4e00\u4e9b\u672c\u670d\u52a1\u9ed8\u8ba4\u7684\u4f9d\u8d56\u4f1a\u9690\u5f0f\u7684\u5efa\u7acb\uff0c\u5177\u4f53\u662f\u54ea\u4e9b\u4f9d\u8d56\uff0c\u5219\u4e8e\u670d\u52a1\u7684\u7c7b\u578b\u51b3\u5b9a\u3002\u6bd4\u5982\uff0c\u5bf9\u4e8e\u666e\u901a\u7684\u670d\u52a1\uff08.service\u7c7b\u578b\uff09\uff0c\u5b83\u4f1a\u786e\u4fdd\u5728\u7cfb\u7edf\u57fa\u672c\u670d\u52a1\u542f\u52a8\u540e\u624d\u542f\u52a8\u672c\u670d\u52a1\uff0c\u4f1a\u5728\u7cfb\u7edf\u5173\u673a\u524d\u786e\u4fdd\u672c\u670d\u52a1\u5df2\u5173\u95ed\u3002\u4e00\u822c\u6765\u8bf4\uff0c\u53ea\u6709\u65e9\u671f\u5f00\u673a\u670d\u52a1\u548c\u540e\u671f\u7684\u5173\u673a\u670d\u52a1\uff0c\u624d\u9700\u8981\u628a\u8fd9\u4e2a\u8bbe\u6210\u5047\u3002\u5f3a\u70c8\u5bf9\u5927\u591a\u6570\u666e\u901a\u670d\u52a1\uff0c\u8ba9\u8fd9\u4e2a\u9009\u9879\u542f\u7528\u5373\u53ef\u3002\u5982\u679c\u8bbe\u6210\u5047\uff0c\u4e5f\u4e0d\u4f1a\u7981\u7528\u6240\u6709\u7684\u9690\u5f0f\u4f9d\u8d56\uff0c\u53ea\u662f\u7981\u7528\u90a3\u4e9b\u975e\u5fc5\u8981\u7684\u3002<\/code><\/div>\n<div><\/div>\n<div>JobTimeoutSec=\u3000\u3000\uff1a\u5f53\u4e00\u4e2a\u5ba2\u6237\u7aef\u7b49\u5f85\u672c\u670d\u52a1\u7684\u67d0\u4e2a Job \u5b8c\u6210\u65f6\uff0c\u6240\u6307\u5b9a\u7684\u8d85\u65f6\u65f6\u95f4\u3002\u5982\u679c\u8fbe\u5230\u4e86\u9650\u5236\u7684\u65f6\u95f4\uff0c\u6b64 Job \u4f1a\u53d6\u6d88\u8fd0\u884c\uff0c\u4f46\u670d\u52a1\u4e0d\u4f1a\u66f4\u6539\u72b6\u6001\uff0c\u5305\u62ec\u8fdb\u5165\u201cfailed&#8221;\u72b6\u6001\u3002\u9664\u4e86\u8bbe\u5907\u670d\u52a1\uff08\u5373.device\u7c7b\u578b\uff09\uff0c\u5176\u5b83\u7684\u9ed8\u8ba4\u503c\u662f0\uff08\u5373\u6ca1\u6709\u8d85\u65f6\u8bbe\u7f6e\uff09\u3002\u6ce8\u610f\uff0c\u8fd9\u4e2a\u662f\u72ec\u7acb\u4e8e\u7279\u5b9a\u670d\u52a1\u6240\u8bbe\u7f6e\u7684\u8d85\u65f6\u8bbe\u7f6e\u7684\uff08\u6bd4\u5982\u5bf9 .service \u7c7b\u578b\u6240\u8bbe\u7f6e\u7684 Timeout=\uff09\uff0c\u5b83\u5bf9\u670d\u52a1\u672c\u8eab\u6ca1\u6709\u5f71\u54cd\uff0c\u4f46\u7279\u5b9a\u670d\u52a1\u7684\u8bbe\u7f6e\u662f\u6709\u5f71\u54cd\u7684\uff08\u80fd\u7528\u6765\u66f4\u6539\u670d\u52a1\u72b6\u6001\uff09\u3002\u300a\uff0d\u8fd9\u6bb5\u4e0d\u660e\u767d\u5230\u5e95\u662f\u4ec0\u4e48\u610f\u601d\uff0c\u6240\u4ee5\u7ffb\u8bd1\u7684\u4e5f\u662f\u4e71\u4e03\u516b\u7cdf\uff0c\u771f\u5bf9\u4e0d\u8d77\uff09\u3002<\/div>\n<div><\/div>\n<div><code>ConditionPathExists=<\/code>,\u00a0<code>ConditionPathExistsGlob=<\/code>,\u00a0<code>ConditionPathIsDirectory=<\/code>,\u00a0<code>ConditionPathIsSymbolicLink=<\/code>,\u00a0<code>ConditionPathIsMountPoint=<\/code>,\u00a0<code>ConditionPathIsReadWrite=<\/code>,\u00a0<code>ConditionDirectoryNotEmpty=<\/code>,<code>ConditionFileNotEmpty=<\/code>,\u00a0<code>ConditionFileIsExecutable=<\/code>,\u00a0<code>ConditionKernelCommandLine=<\/code>,\u00a0<code>ConditionVirtualization=<\/code>,\u00a0<code>ConditionSecurity=<\/code>,\u00a0<code>ConditionCapability=<\/code>,\u00a0<code>ConditionHost=<\/code>,\u00a0<code>ConditionACPower=<\/code>,<code>ConditionNull=\u3000\u3000\uff1a\u8fd9\u662f\u4e00\u7ec4\u7c7b\u4f3c\u7684\u4e1c\u897f\u3002\u68c0\u6d4b\u7279\u5b9a\u7684\u6761\u4ef6\u662f\u4e0d\u662f\u771f\u503c\uff0c\u5982\u679c\u4e0d\u662f\u771f\u503c\uff0c\u670d\u52a1\u4f1a\u7565\u8fc7\u542f\u52a8\uff0c\u4f46\u662f\u5b83\u4f9d\u8d56\u7684\u670d\u52a1\u8fd8\u662f\u4f1a\u6b63\u5e38\u8fd0\u884c\u7684\u3002\u8fd9\u4e2a\u6761\u4ef6\u6d4b\u8bd5\u5931\u8d25\u4e0d\u4f1a\u8ba9\u670d\u52a1\u8fdb\u5165\u5931\u8d25\u72b6\u6001\u3002\u6761\u4ef6\u662f\u5728\u670d\u52a1\u5f00\u59cb\u8fd0\u884c\u65f6\u68c0\u67e5\u7684\u3002<\/code><\/div>\n<div>\u3000\u3000<code>ConditionPathExists=<\/code>\u00a0\u662f\u6307\u5b9a\u5728\u670d\u52a1\u542f\u52a8\u65f6\u68c0\u67e5\u6307\u5b9a\u6587\u4ef6\u7684\u5b58\u5728\u72b6\u6001\u3002\u5982\u679c\u6307\u5b9a\u7684\u7edd\u5bf9\u8def\u5f84\u540d\u4e0d\u5b58\u5728\uff0c\u8fd9\u4e2a\u6761\u4ef6\u7684\u7ed3\u679c\u5c31\u662f\u5931\u8d25\u3002\u5982\u679c\u7edd\u5bf9\u8def\u5f84\u7684\u5e26\u6709!\u524d\u7f00\uff0c\u5219\u6761\u4ef6\u53cd\u8f6c\uff0c\u5373\u53ea\u6709\u8def\u5f84\u4e0d\u5b58\u5728\u65f6\u670d\u52a1\u624d\u542f\u52a8\u3002<\/div>\n<div>\u3000\u3000ConditionPathExistsGlob=\u3000\u7c7b\u4f3c\u4e0a\u9762\u7684\u9009\u9879\uff0c\u4f46\u652f\u6301\u901a\u914d\u7b26\u3002<\/div>\n<div>\u3000\u3000ConditionPathIsDirectory=\u3000\u5224\u65ad\u6307\u5b9a\u8def\u5f84\u662f\u4e0d\u662f\u76ee\u5f55\u3002<\/div>\n<div>\u3000\u3000ConditionPathIsSymbolicLink=\u3000\u5224\u65ad\u6307\u5b9a\u8def\u5f84\u662f\u4e0d\u662f\u94fe\u63a5\u3002<\/div>\n<div>\u3000\u3000ConditionPathIsMountPoint=\u3000\u5224\u65ad\u6307\u5b9a\u8def\u5f84\u662f\u4e0d\u662f\u4e00\u4e2a\u6302\u8f7d\u70b9\u3002<\/div>\n<div>\u3000\u3000ConditionPathIsReadWrite=\u3000\u591a\u5e74\u6307\u5b9a\u8def\u5f84\u662f\u5426\u53ef\u8bfb\u5199\uff08\u5373\u4e0d\u662f\u505a\u4e3a\u53ea\u8bfb\u7cfb\u7edf\u6302\u8f7d\u7684\uff09<\/div>\n<div>\u3000\u3000ConditionDirectoryNotEmpty=\u3000\u5224\u65ad\u6307\u5b9a\u76ee\u5f55\u662f\u5426\u5b58\u5728\u4e14\u4e0d\u4e3a\u7a7a\u3002<\/div>\n<div>\u3000\u3000ConditionFileNotEmpty=\u3000\u5224\u65ad\u6307\u5b9a\u6587\u4ef6\u662f\u5426\u662f\u5e38\u89c4\u6587\u4ef6\u4e14\u4e0d\u4e3a\u7a7a\uff08\u5373\u5927\u5c0f\u4e0d\u662f0\uff09\u3002<\/div>\n<div>\u3000\u3000ConditionFileIsExecutable=\u3000\u5224\u65ad\u6307\u5b9a\u6587\u4ef6\u662f\u5426\u662f\u5e38\u89c4\u6587\u4ef6\u4e14\u53ef\u6267\u884c\u3002<\/div>\n<div>\u3000\u3000\u7c7b\u4f3c\u7684\uff0cConditionKernelCommandLine=\u662f\u5224\u65ad\u6709\u6ca1\u6709\u6307\u5b9a\u7684\u5185\u6838\u547d\u4ee4\u884c\u542f\u52a8\u53c2\u6570\uff08\u6216\u5e26\u6709!\u53cd\u4e4b\uff09\uff0c\u8fd9\u4e2a\u53c2\u6570\u5fc5\u987b\u662f\u4e00\u4e2a\u5355\u8bcd\u6216\u7528=\u5206\u5f00\u7684\u4e24\u4e2a\u5355\u8bcd\uff0c\u524d\u4e00\u79cd\u60c5\u51b5\u4e0b\uff0c\u4f1a\u5bfb\u627e\u5185\u6838\u53c2\u6570\u662f\u5426\u6709\u6b64\u5355\u8bcd\u6216\u662f\u8d4b\u503c\u7684\u5de6\u8fb9\u3002\u540e\u4e00\u79cd\u60c5\u51b5\u5219\u5fc5\u987b\u662f\u8d4b\u503c\u7684\u5de6\u53f3\u540c\u65f6\u7b26\u5408\u3002<\/div>\n<div>\u3000\u3000ConditionVirtualization=\u3000\u662f\u5224\u65ad\u662f\u4e0d\u662f\u5728\u865a\u62df\u5316\u73af\u5883\u4e0b\u6267\u884c\u7684\u670d\u52a1\u3002\u8fd9\u53ef\u4ee5\u662f\u4e2a\u5e03\u5c14\u503c\u4ee5\u5224\u65ad\u662f\u4e0d\u662f\u4efb\u610f\u7684\u865a\u62df\u5316\u73af\u5883\uff0c\u6216\u8005\u4e0b\u5217\u7684\u5b57\u7b26\u4e32\u4e4b\u4e00\uff1a\u00a0qemu, kvm, vmware, microsoft, oracle, xen, bochs, chroot, openvz, lxc, lxc-libvirt, systemd-nspawn\uff0c\u4ee5\u5224\u65ad\u662f\u4e0d\u662f\u7279\u5b9a\u7684\u865a\u62df\u5316\u73af\u5883\uff0c\u591a\u91cd\u5d4c\u5957\u7684\u865a\u62df\u5316\u73af\u5883\uff0c\u53ea\u5224\u65ad\u6700\u540e\u4e00\u5c42\u3002\u53ef\u4ee5\u4f7f\u7528!\u8fdb\u884c\u53cd\u8f6c\u5224\u65ad\u3002<\/div>\n<div>\u3000\u3000ConditionSecurity=\u3000\u662f\u5224\u65ad\u7cfb\u7edf\u662f\u5426\u542f\u7528\u4e86\u5b89\u5168\u73af\u5883\uff0c\u5f53\u524d\u4ec5\u80fd\u8bc6\u522b<code>selinux<\/code>,\u00a0<code>apparmor<\/code>, \u548c\u00a0<code>smack\u3002\u53ef\u4ee5\u4f7f\u7528!\u8fdb\u884c\u53cd\u8f6c\u5224\u65ad\u3002<\/code><\/div>\n<div>\u3000\u3000ConditionCapability= \u662f\u5224\u65ad\u670d\u52a1\u7ba1\u7406\u5668\u7ed1\u5b9a\u7684\u00a0capability \u662f\u5426\u5b58\u5728\u3002\uff08\u53ef\u4ee5\u67e5\u770b\u5176\u5b83\u90e8\u5206\u7684\u8be6\u7ec6\u4fe1\u606f\u3002\uff09\u8bbe\u7f6e\u4e3a\u00a0capability \u7684\u540d\u5b57\uff0c\u6bd4\u5982 CAP_MKNOD\u3002\u53ef\u4ee5\u901a\u8fc7\u5728\u524d\u9762\u52a0!\u53cd\u8f6c\u5224\u65ad\u3002<\/div>\n<div>\u3000\u3000ConditionHost=\u3000\u662f\u5224\u65ad\u4e3b\u673a\u540d (hostname)\u6216\u673a\u5668ID(machine ID)\u662f\u5426\u5339\u914d\u3002\u53ef\u4ee5\u52a0!\u53cd\u8f6c\u3002<\/div>\n<div>\u3000\u3000ConditionACPower=\u3000\u662f\u5224\u65ad\u673a\u5668\u662f\u5426\u5728\u4f7f\u7528\u4ea4\u6d41\u7535\u6e90\u3002\u5982\u679c\u8bbe\u6210 true\uff0c\u800c\u53ea\u6709\u81f3\u5c11\u8fde\u63a5\u4e00\u4e2a\u4ea4\u6d41\u7535\u6e90\u65f6\u7ed3\u679c\u624d\u4e3a\u771f\uff0c\u53cd\u8fc7\u6765\uff0c\u8bbe\u6210 false\uff0c\u5219\u4e0d\u8fde\u63a5\u6240\u6709\u4ea4\u6d41\u7535\u6e90\u65f6\u624d\u4e3a\u771f\u3002<\/div>\n<div>\u3000\u3000\u6700\u540e\uff0cConditionNull=\u3000\u662f\u4e00\u4e2a\u5e38\u91cf\u6027\u8d28\u7684\u5224\u65ad\u6761\u4ef6\uff0c\u5b83\u5e94\u8be5\u662f\u5e03\u5c14\u503c\uff0c\u5982\u679c\u8bbe\u6210 false \uff0c\u5219\u6761\u4ef6\u6c38\u8fdc\u5931\u8d25\uff0c\u53cd\u8fc7\u6765\u5219\u6c38\u8fdc\u6210\u7acb\u3002<\/div>\n<div>\u3000\u3000\u5982\u679c\u6307\u5b9a\u591a\u4e2a\u6761\u4ef6\uff0c\u5219\u6240\u6709\u6761\u4ef6\u90fd\u9700\u8981\u6210\u7acb\uff08\u5373\u6761\u4ef6\u4e4b\u95f4\u662f AND \u7684\u5173\u7cfb\uff09\u3002\u6761\u4ef6\u524d\u9762\u53ef\u4ee5\u52a0\u4e0a | \u7b26\u53f7\uff0c\u8fd9\u65f6\u6761\u4ef6\u53d8\u6210\u4e00\u4e2a\u89e6\u53d1\u6761\u4ef6\uff0c\u670d\u52a1\u5b9a\u4e49\u4e86\u89e6\u53d1\u6761\u4ef6\uff0c\u90a3\u4e48\u5728\u6ee1\u8db3\u5176\u5b83\u975e\u89e6\u53d1\u6761\u4ef6\u548c\u8fd9\u4e2a\u89e6\u53d1\u6761\u4ef6\u7684\u60c5\u51b5\u4e0b\uff0c\u670d\u52a1\u4f1a\u81f3\u5c11\u6267\u884c\u4e00\u6b21\u3002\u540c\u65f6\u6307\u5b9a|\u548c!\u524d\u7f00\u65f6\uff0c\u5148\u5904\u7406|\uff0c\u540e\u5904\u7406!\u3002\u9664\u4e86ConditionPathIsSymbolicLink=\uff0c\u5176\u5b83\u6761\u4ef6\u5747\u8ddf\u968f\u94fe\u63a5\u3002\u5982\u679c\u8fd9\u4e9b\u6761\u4ef6\u6307\u5b9a\u4e3a\u7a7a\uff0c\u5219\u76f8\u5f53\u4e8e\u91cd\u7f6e\uff0c\u524d\u9762\u7684\u4efb\u4f55\u8bbe\u7f6e\u90fd\u4e0d\u518d\u8d77\u4f5c\u7528\u3002<\/div>\n<div><\/div>\n<div>SourcePath=\u3000\u3000\uff1a\u8fd9\u4e2a\u670d\u52a1\u751f\u6210\u7684\u914d\u7f6e\u6587\u4ef6\u6240\u5728\u7684\u8def\u5f84\uff0c\u8fd9\u4e3b\u8981\u662f\u7528\u5728\u751f\u6210\u5de5\u5177\u4ece\u5916\u90e8\u914d\u7f6e\u6587\u4ef6\u7684\u683c\u5f0f\u8f6c\u6362\u5230\u672c\u5730\u670d\u52a1\u7684\u914d\u7f6e\u683c\u5f0f\u4e2d\u3002\u56e0\u6b64\uff0c\u5bf9\u4e00\u822c\u7684\u670d\u52a1\u4e0d\u8981\u4f7f\u7528\u6b64\u9009\u9879\u3002<\/div>\n<div><\/div>\n<div>\u670d\u52a1\u6587\u4ef6\u8fd8\u53ef\u80fd\u5305\u542b\u4e00\u4e2a [Install] \u6bb5\uff0c\u8fd9\u4e2a\u6bb5\u7684\u5185\u5bb9\u670d\u52a1\u7684\u5b89\u88c5\u4fe1\u606f\u3002\u5b83\u4e0d\u5728 systemd \u7684\u8fd0\u884c\u671f\u95f4\u4f7f\u7528\u3002\u53ea\u5728\u4f7f\u7528 systemctl enable \u548c systemctl disable \u547d\u4ee4\u542f\u7528\/\u7981\u7528\u670d\u52a1\u65f6\u6709\u7528\u3002<\/div>\n<div><\/div>\n<div><code>Alias=\u3000\u3000\uff1a<span style=\"font-family: Georgia, 'Times New Roman', 'Bitstream Charter', Times, serif;\">\u5728\u5b89\u88c5\u4f7f\u7528\u5e94\u8be5\u4f7f\u7528\u7684\u989d\u5916\u540d\u5b57\uff08\u5373\u522b\u540d\uff09\u3002\u540d\u5b57\u5fc5\u987b\u548c\u670d\u52a1\u672c\u8eab\u6709\u540c\u6837\u7684\u540e\u7f00\uff08\u5373\u540c\u6837\u7684\u7c7b\u578b\uff09\u3002\u8fd9\u4e2a\u9009\u9879\u53ef\u4ee5\u6307\u5b9a\u591a\u6b21\uff0c\u6240\u6709\u7684\u540d\u5b57\u90fd\u8d77\u4f5c\u7528\uff0c\u5f53\u6267\u884c systemctl enable \u547d\u4ee4\u65f6\uff0c\u4f1a\u5efa\u7acb\u76f8\u5f53\u7684\u94fe\u63a5\u3002<\/span><\/code><\/div>\n<div><code><br \/>\n<\/code><code>WantedBy=<\/code>,\u00a0<code>RequiredBy=\u3000\uff1a\u5728<span style=\"font-family: Georgia, 'Times New Roman', 'Bitstream Charter', Times, serif;\">\u00a0<\/span><code>.wants\/<\/code><span style=\"font-family: Georgia, 'Times New Roman', 'Bitstream Charter', Times, serif;\">\u00a0\u6216\u00a0<\/span><code>.requires\/<\/code><span style=\"font-family: Georgia, 'Times New Roman', 'Bitstream Charter', Times, serif;\">\u00a0\u5b50\u76ee\u5f55\u4e2d\u4e3a\u670d\u52a1\u5efa\u7acb\u76f8\u5e94\u7684\u94fe\u63a5\u3002\u8fd9\u6837\u505a\u7684\u6548\u679c\u662f\u5f53\u5217\u8868\u4e2d\u7684\u670d\u52a1\u542f\u52a8\uff0c\u672c\u670d\u52a1\u4e5f\u4f1a\u542f\u52a8\u3002 \u5728\u3000\u3000bar.service\u3000\u4e2d\u7684\u00a0<\/span><strong style=\"font-family: Georgia, 'Times New Roman', 'Bitstream Charter', Times, serif;\">WantedBy=foo.service<\/strong><span style=\"font-family: Georgia, 'Times New Roman', 'Bitstream Charter', Times, serif;\">\u00a0\u3000\u548c<\/span><span style=\"font-family: Georgia, 'Times New Roman', 'Bitstream Charter', Times, serif;\">\u00a0<\/span><strong style=\"font-family: Georgia, 'Times New Roman', 'Bitstream Charter', Times, serif;\">Alias=foo.service.wants\/bar.service<\/strong><span style=\"font-family: Georgia, 'Times New Roman', 'Bitstream Charter', Times, serif;\">\u00a0\u57fa\u672c\u662f\u4e00\u4e2a\u610f\u601d\u3002<\/span><\/code><\/div>\n<div><code><br \/>\n<\/code><code>Also=\u3000\u3000\uff1a\u5f53\u6b64\u670d\u52a1\u5b89\u88c5\u65f6\u540c\u65f6\u9700\u8981\u5b89\u88c5\u7684\u9644\u52a0\u670d\u52a1\u3002<\/code>\u00a0\u5982\u679c\u7528\u6237\u8bf7\u6c42\u5b89\u88c5\u7684\u670d\u52a1\u4e2d\u914d\u7f6e\u4e86\u6b64\u9879\uff0c\u5219 systemctl enable \u547d\u4ee4\u6267\u884c\u65f6\u4f1a\u81ea\u52a8\u5b89\u88c5\u672c\u9879\u6240\u6307\u5b9a\u7684\u670d\u52a1\u3002<\/div>\n<div><\/div>\n<div>\n<div>\n<p>\u5728 [Install] \u6bb5\u4f7f\u7528\u8fd9\u4e9b\u5b57\u7b26\u4e32\u6709\u7279\u5b9a\u542b\u4e49: %n, %N, %p, %i, %U, %u, %m, %H, %b. \u8be6\u7ec6\u4fe1\u606f\u770b\u4e0b\u4e00\u6bb5\u3002\u3001<\/p>\n<p>\u7279\u6b8a\u5b57\u7b26\u4e32<\/p>\n<\/div>\n<div>\n<p>\u8bb8\u591a\u8bbe\u7f6e\u652f\u6301\u4f7f\u7528\u7279\u6b8a\u7684\u5b57\u7b26\u4e32\uff0c\u53ef\u4ee5\u5728\u8fd0\u884c\u6216\u52a0\u8f7d\u65f6\u66ff\u6362\u6210\u7279\u5b9a\u7684\u5185\u5bb9\u3002\u4e0b\u8868\u662f\u652f\u6301\u7684\u5b57\u7b26\u4e32\u3002<\/p>\n<p><b>\u8868\u00a03. \u5728\u670d\u52a1\u6587\u4ef6\u4e2d\u53ef\u4ee5\u4f7f\u7528\u7684\u5b57\u7b26\u4e32<\/b><\/p>\n<div>\n<table summary=\"Specifiers available in unit files\" border=\"1\">\n<colgroup>\n<col align=\"left\" \/>\n<col align=\"left\" \/>\n<col align=\"left\" \/><\/colgroup>\n<thead>\n<tr>\n<th align=\"left\">\u5b57\u7b26\u4e32<\/th>\n<th align=\"left\">\u7b80\u4ecb<\/th>\n<th align=\"left\">\u8be6\u7ec6\u4fe1\u606f<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td align=\"left\"><code>%n<\/code><\/td>\n<td align=\"left\">\u5b8c\u6574\u7684\u670d\u52a1\u540d\u79f0<\/td>\n<td align=\"left\"><\/td>\n<\/tr>\n<tr>\n<td align=\"left\"><code>%N<\/code><\/td>\n<td align=\"left\">\u4e0d\u8f6c\u4e49\u7684\u5b8c\u6574\u670d\u52a1\u540d\u79f0<\/td>\n<td align=\"left\"><\/td>\n<\/tr>\n<tr>\n<td align=\"left\"><code>%p<\/code><\/td>\n<td align=\"left\">\u524d\u7f00\u540d<\/td>\n<td align=\"left\">\u5bf9\u4e8e\u5b9e\u4f8b\u5316\u7684\u670d\u52a1\uff0c\u8fd9\u662f\u524d@\u524d\u9762\u7684\u90e8\u5206\uff0c\u5bf9\u4e8e\u5176\u5b83\u7684\u670d\u52a1\uff0c\u662f\u6307\u53bb\u6389\u540e\u7f00\uff08\u5373\u7c7b\u578b\uff09\u7684\u90e8\u5206\u3002<\/td>\n<\/tr>\n<tr>\n<td align=\"left\"><code>%P<\/code><\/td>\n<td align=\"left\">\u4e0d\u8f6c\u4e49\u7684\u524d\u7f00\u540d<\/td>\n<td align=\"left\"><\/td>\n<\/tr>\n<tr>\n<td align=\"left\"><code>%i<\/code><\/td>\n<td align=\"left\">\u5b9e\u4f8b\u540d\u79f0<\/td>\n<td align=\"left\">\u5bf9\u4e8e\u5b9e\u4f8b\u5316\u7684\u670d\u52a1\uff0c\u8fd9\u662f\u6307 @\u548c\u540e\u7f00\u4e4b\u95f4\u7684\u90e8\u5206\u3002<\/td>\n<\/tr>\n<tr>\n<td align=\"left\"><code>%I<\/code><\/td>\n<td align=\"left\">\u4e0d\u8f6c\u4e49\u7684\u5b9e\u4f8b\u540d\u3002<\/td>\n<td align=\"left\"><\/td>\n<\/tr>\n<tr>\n<td align=\"left\"><code>%f<\/code><\/td>\n<td align=\"left\">\u4e0d\u8f6c\u4e49\u7684\u6587\u4ef6\u540d\u3002<\/td>\n<td align=\"left\">\u8fd9\u53ef\u4ee5\u4e0d\u8f6c\u4e49\u7684\u5b9e\u4f8b\u540d\uff08\u5982\u679c\u53ef\u7528\uff09\u6216\u524d\u7f00\u540d\uff0c\u5e26\u6709\/\u524d\u7f00\u3002<\/td>\n<\/tr>\n<tr>\n<td align=\"left\"><code>%c<\/code><\/td>\n<td align=\"left\">\u670d\u52a1\u7684\u63a7\u5236\u7ec4\u8def\u5f84\u3002\uff1f<\/td>\n<td align=\"left\"><\/td>\n<\/tr>\n<tr>\n<td align=\"left\"><code>%r<\/code><\/td>\n<td align=\"left\">systemd \u7684\u6839\u63a7\u5236\u7ec4\u8def\u5f84\u3002\uff1f<\/td>\n<td align=\"left\"><\/td>\n<\/tr>\n<tr>\n<td align=\"left\"><code>%R<\/code><\/td>\n<td align=\"left\">systemd \u7684\u6839\u63a7\u5236\u7ec4\u8def\u5f84\u7684\u7236\u76ee\u5f55\u3002<\/td>\n<td align=\"left\"><\/td>\n<\/tr>\n<tr>\n<td align=\"left\"><code>%t<\/code><\/td>\n<td align=\"left\">\u8fd0\u884c\u65f6 Socket \u76ee\u5f55\u3002<\/td>\n<td align=\"left\">\u8fd9\u53ef\u4ee5\u662f\u00a0<code>\/run<\/code>\u00a0(\u7cfb\u7edf\u7ba1\u7406\u5668) \u6216\u00a0<code>$XDG_RUNTIME_DIR<\/code>\u00a0(\u7528\u6237\u7ba1\u7406\u5668).<\/td>\n<\/tr>\n<tr>\n<td align=\"left\"><code>%u<\/code><\/td>\n<td align=\"left\">\u7528\u6237\u540d<\/td>\n<td align=\"left\">\u8fd9\u662f\u670d\u52a1\u914d\u7f6e\u7684\u7528\u6237\u6216systemd\u8fd0\u884c\u5b9e\u4f8b\u7684\u7528\u6237\uff08\u5982\u679c\u6ca1\u6709\u914d\u7f6e\u7684\u8bdd\uff09\u3002<\/td>\n<\/tr>\n<tr>\n<td align=\"left\"><code>%U<\/code><\/td>\n<td align=\"left\">\u7528\u6237 UID<\/td>\n<td align=\"left\">\u8fd9\u662f\u670d\u52a1\u914d\u7f6e\u7684\u7528\u6237UID\u6216systemd\u8fd0\u884c\u5b9e\u4f8b\u7684\u7528\u6237UID\uff08\u5982\u679c\u6ca1\u6709\u914d\u7f6e\u7684\u8bdd\uff09<\/td>\n<\/tr>\n<tr>\n<td align=\"left\"><code>%h<\/code><\/td>\n<td align=\"left\">\u7528\u6237\u5bb6\u76ee\u5f55<\/td>\n<td align=\"left\">\u8fd9\u662f\u670d\u52a1\u914d\u7f6e\u7684\u7528\u6237\u5bb6\u76ee\u5f55\u6216systemd\u8fd0\u884c\u5b9e\u4f8b\u7684\u7528\u6237\u5bb6\u76ee\u5f55\uff08\u5982\u679c\u6ca1\u6709\u914d\u7f6e\u7684\u8bdd\uff09<\/td>\n<\/tr>\n<tr>\n<td align=\"left\"><code>%s<\/code><\/td>\n<td align=\"left\">\u7528\u6237Shell<\/td>\n<td align=\"left\">\u8fd9\u662f\u670d\u52a1\u914d\u7f6e\u7684\u7528\u6237shell\u6216systemd\u8fd0\u884c\u5b9e\u4f8b\u7684\u7528\u6237shell\uff08\u5982\u679c\u6ca1\u6709\u914d\u7f6e\u7684\u8bdd\uff09<\/td>\n<\/tr>\n<tr>\n<td align=\"left\"><code>%m<\/code><\/td>\n<td align=\"left\">\u673a\u5668 ID<\/td>\n<td align=\"left\">\u8fd0\u884c\u7cfb\u7edf\u7684\u673a\u5668 ID \uff0c\u683c\u5f0f\u662f\u4e00\u4e2a\u5b57\u7b26\u4e32\u3002<\/td>\n<\/tr>\n<tr>\n<td align=\"left\"><code>%b<\/code><\/td>\n<td align=\"left\">\u542f\u52a8 ID<\/td>\n<td align=\"left\">\u8fd0\u884c\u7cfb\u7edf\u7684\u542f\u52a8 ID \uff0c\u683c\u5f0f\u662f\u4e00\u4e2a\u5b57\u7b26\u4e32\u3002.<\/td>\n<\/tr>\n<tr>\n<td align=\"left\"><code>%H<\/code><\/td>\n<td align=\"left\">\u4e3b\u673a\u540d<\/td>\n<td align=\"left\">\u8fd0\u884c\u7cfb\u7edf\u7684\u4e3b\u673a\u540d\u3002<\/td>\n<\/tr>\n<tr>\n<td align=\"left\"><code>%%<\/code><\/td>\n<td align=\"left\">\u8f6c\u4e49 %<\/td>\n<td align=\"left\">\u4e00\u4e2a\u5355\u767e\u5206\u53f7.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<\/div>\n<div><\/div>\n<div><\/div>\n<\/div>\n<p>systemd \u7684\u624b\u518c\u9875\uff1a<a href=\"http:\/\/www.freedesktop.org\/software\/systemd\/man\">http:\/\/www.freedesktop.org\/software\/systemd\/man<\/a><\/p>\n<p>fedora \u7684 systemd \u8bf4\u660e\u9875\u9762\uff1a<a href=\"http:\/\/fedoraproject.org\/wiki\/Packaging:Systemd\">http:\/\/fedoraproject.org\/wiki\/Packaging:Systemd<\/a>\uff0c\u4e2d\u6587\uff1a<a href=\"https:\/\/fedoraproject.org\/wiki\/Systemd\/zh-cn\">https:\/\/fedoraproject.org\/wiki\/Systemd\/zh-cn<\/a><\/p>\n<p>unbuntu \u7684 systemd \u8bf4\u660e\u9875\u9762\uff1ahttps:\/\/wiki.edubuntu.org\/systemd<\/p>\n<p>arch \u7684 systemd \u8bf4\u660e\u9875\u9762\uff1ahttps:\/\/wiki.archlinux.org\/index.php\/Systemd\/\uff0c\u4e2d\u6587\uff1a<a href=\"https:\/\/wiki.archlinux.org\/index.php\/Systemd_(%E7%AE%80%E4%BD%93%E4%B8%AD%E6%96%87)\">https:\/\/wiki.archlinux.org\/index.php\/Systemd_(%E7%AE%80%E4%BD%93%E4%B8%AD%E6%96%87)<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e0a\u4e00\u7bc7\u6587\u7ae0\u7b80\u5355\u7684\u8bf4\u4e86\u4e0b\u600e\u4e48\u5199 .service \u6587\u4ef6\uff0c\u4ece\u8fd9\u7bc7\u5f00\u59cb\uff0c\u8be6\u7ec6\u7684\u4ecb\u7ecd\u4e0b systemd \u7684\u914d\u7f6e\u6587\u4ef6\u5982\u4f55 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"ngg_post_thumbnail":0,"footnotes":""},"categories":[5],"tags":[],"class_list":["post-233","post","type-post","status-publish","format-standard","hentry","category-magiclinux"],"_links":{"self":[{"href":"https:\/\/www.321211.xyz\/index.php?rest_route=\/wp\/v2\/posts\/233","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.321211.xyz\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.321211.xyz\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.321211.xyz\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.321211.xyz\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=233"}],"version-history":[{"count":7,"href":"https:\/\/www.321211.xyz\/index.php?rest_route=\/wp\/v2\/posts\/233\/revisions"}],"predecessor-version":[{"id":241,"href":"https:\/\/www.321211.xyz\/index.php?rest_route=\/wp\/v2\/posts\/233\/revisions\/241"}],"wp:attachment":[{"href":"https:\/\/www.321211.xyz\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=233"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.321211.xyz\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=233"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.321211.xyz\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=233"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}