{"id":26469,"date":"2022-01-19T02:58:27","date_gmt":"2022-01-18T18:58:27","guid":{"rendered":"http:\/\/www.idc.net\/help\/26469\/"},"modified":"2022-01-19T02:58:27","modified_gmt":"2022-01-18T18:58:27","slug":"%e9%80%9a%e8%bf%87systemctl%e5%88%97%e5%87%ba%e5%90%af%e5%8a%a8%e5%a4%b1%e8%b4%a5%e7%9a%84%e6%9c%8d%e5%8a%a1","status":"publish","type":"post","link":"https:\/\/idc.net\/help\/26469\/","title":{"rendered":"\u901a\u8fc7systemctl\u5217\u51fa\u542f\u52a8\u5931\u8d25\u7684\u670d\u52a1"},"content":{"rendered":"
\n

Linux \u670d\u52a1\u7ba1\u7406\u4e24\u79cd\u65b9\u5f0fservice\u548csystemctl<\/p>\n

systemd\u662fLinux\u7cfb\u7edf\u6700\u65b0\u7684\u521d\u59cb\u5316\u7cfb\u7edf(init),\u4f5c\u7528\u662f\u63d0\u9ad8\u7cfb\u7edf\u7684\u542f\u52a8\u901f\u5ea6\uff0c\u5c3d\u53ef\u80fd\u542f\u52a8\u8f83\u5c11\u7684\u8fdb\u7a0b\uff0c\u5c3d\u53ef\u80fd\u66f4\u591a\u8fdb\u7a0b\u5e76\u53d1\u542f\u52a8\u3002<\/p>\n

systemd\u5bf9\u5e94\u7684\u8fdb\u7a0b\u7ba1\u7406\u547d\u4ee4\u662fsystemctl<\/p>\n

\u5217\u51fa\u542f\u52a8\u5931\u8d25\u7684\u670d\u52a1<\/span><\/h2>\n
[root@localhost ~]# systemctl list-units --state failed<\/span>\r\n UNIT          LOAD   ACTIVE SUB    DESCRIPTION\r\n\u25cf httpd.service loaded failed failed The Apache HTTP Server\r\n\r\nLOAD   = Reflects whether the unit definition was properly loaded.\r\nACTIVE = The high-level unit activation state, i.e. generalization of SUB.\r\nSUB    = The low-level unit activation state, values depend on unit type<\/span>.\r\n\r\n1 loaded units listed. Pass --all to see loaded but inactive units, too.\r\nTo show all installed unit files use 'systemctl list-unit-files'<\/span>.\r\n<\/code><\/pre>\n
 \u53ef\u4ee5\u53d1\u73b0\uff0c\u6709\u4e2a\u4e00\u4e2a\u670d\u52a1\u542f\u52a8\u5931\u8d25\u4e86\u3002<\/p>\n
is-failed\u9009\u9879<\/span><\/h2>\n
\u53ef\u4ee5\u4f7f\u7528is-failed<\/code>\u9009\u9879\u68c0\u67e5\u6307\u5b9a\u7684\u670d\u52a1\u662f\u5426\u542f\u52a8\u5931\u8d25\u3002\u5982\u679c\u542f\u52a8\u5931\u8d25\uff0c\u7ed3\u679c\u662ffailed<\/code>\u3002\u5982\u679c\u542f\u52a8\u6ca1\u6709\u95ee\u9898\uff0c\u7ed3\u679c\u662factive<\/code>\u3002<\/p>\n
[root@localhost ~]# systemctl is-failed httpd<\/span>\r\nfailed\r\n[root@localhost ~]# systemctl is-failed vsftpd<\/span>\r\nactive\r\n<\/code><\/pre>\n
  <\/p>\n
\u68c0\u67e5\u670d\u52a1\u7684\u72b6\u6001<\/span><\/h2>\n
\u53ef\u4ee5\u4f7f\u7528status<\/code>\u9009\u9879\uff0c\u67e5\u770b\u670d\u52a1\u542f\u52a8\u5931\u8d25\u7684\u539f\u56e0\uff0c\u4e0b\u9762\u72b6\u6001\u4fe1\u606f\u91cc\u9762\u544a\u8bc9\u6211\u4eec\uff0c\u662fhttpd.conf<\/code>\u914d\u7f6e\u6587\u4ef6354\u884c\u6709\u8bed\u6cd5\u9519\u8bef\u3002<\/p>\n
May 26 09:22:05 localhost httpd[2958]: httpd: Syntax error on line 354 of \/etc\/httpd\/conf\/httpd.conf: \/...osed.\r\n[root@localhost ~]# systemctl status httpd<\/span>\r\n\u25cf httpd.service - The Apache HTTP Server\r\n  Loaded: loaded (\/usr\/lib\/systemd\/system\/httpd.service; disabled; vendor preset: disabled)\r\n  Active: failed (Result: exit<\/span>-code) since Tue 2020-05-26 09:22:05 CST; 18min ago\r\n    Docs: man:httpd(8)\r\n          man:apachectl(8)\r\nMain PID: 2958 (code=exited, status=1\/FAILURE)\r\n\r\nMay 26 09:22:05 localhost systemd[1]: Starting The Apache HTTP Server...\r\nMay 26 09:22:05 localhost httpd[2958]: httpd: Syntax error on line 354 of \/etc\/httpd\/conf\/httpd.conf: \/...osed.\r\nMay 26 09:22:05 localhost systemd[1]: httpd.service: main process exited, code=exited, status=1\/FAILURE\r\nMay 26 09:22:05 localhost kill<\/span>[2959]: kill<\/span>: cannot find process \"\"<\/span>\r\nMay 26 09:22:05 localhost systemd[1]: httpd.service: control process exited, code=exited status=1\r\nMay 26 09:22:05 localhost systemd[1]: Failed to start The Apache HTTP Server.\r\nMay 26 09:22:05 localhost systemd[1]: Unit httpd.service entered failed state.\r\nMay 26 09:22:05 localhost systemd[1]: httpd.service failed.\r\nHint: Some lines were ellipsized, use -l to show in<\/span> full.\r\n<\/code><\/pre>\n
  CentOS7\u4e2d\u4f7f\u7528systemctl\u5217\u51fa\u542f\u52a8\u5931\u8d25\u7684\u670d\u52a1CentOS7\u4e2d\u4f7f\u7528systemctl\u5217\u51fa\u542f\u52a8\u5931\u8d25\u7684\u670d\u52a1   <\/p>\n
\u4f7f\u7528journalctl\u67e5\u770b\u670d\u52a1\u7684\u542f\u52a8\u65e5\u5fd7<\/span><\/h2>\n
\u5982\u679c\u4f7f\u7528systemctl status [unit]<\/code>\u6ca1\u6709\u627e\u5230\u670d\u52a1\u542f\u52a8\u5931\u8d25\u7684\u539f\u56e0\uff0c\u53ef\u4ee5\u4f7f\u7528journalctl\u67e5\u770b\u66f4\u591a\u7684\u542f\u52a8\u65e5\u5fd7\u3002<\/p>\n
\u4e0b\u9762\u64cd\u4f5c\u662f\u8fc7\u6ee4\u51fa\u6240\u6709\u5e26\u6709error<\/code>\u7684\u884c\uff0c\u53ef\u4ee5\u627e\u5230\u542f\u52a8\u5931\u8d25\u7684\u670d\u52a1\u3002<\/p>\n
[root@localhost ~]# journalctl |grep 'error'<\/span>\r\nMay 26 09:22:05 localhost httpd[2958]: httpd: Syntax error on line 354 of \/etc\/httpd\/conf\/httpd.conf: \/etc\/httpd\/conf\/httpd.conf:354:  was not closed.\r\n<\/code><\/pre>\n
 \u4e5f\u53ef\u4ee5\u4f7f\u7528journalctl -u [unit]<\/code>\u53ea\u67e5\u770b\u67d0\u4e00\u4e2a\u670d\u52a1\u7684\u542f\u52a8\u65e5\u5fd7\uff1a<\/p>\n
[root@localhost ~]# journalctl -u httpd.service<\/span>\r\n-- Logs begin at Sun 2020-05-24 06:52:52 CST, end at Tue 2020-05-26 09:48:03 CST. --\r\nMay 26 09:22:05 localhost systemd[1]: Starting The Apache HTTP Server...\r\nMay 26 09:22:05 localhost httpd[2958]: httpd: Syntax error on line 354 of \/etc\/httpd\/conf\/httpd.conf: \/etc\/httpd\/conf\/httpd.conf:354:  was not closed.\r\nMay 26 09:22:05 localhost systemd[1]: httpd.service: main process exited, code=exited, status=1\/FAILURE\r\nMay 26 09:22:05 localhost kill<\/span>[2959]: kill<\/span>: cannot find process \"\"<\/span>\r\nMay 26 09:22:05 localhost systemd[1]: httpd.service: control process exited, code=exited status=1\r\nMay 26 09:22:05 localhost systemd[1]: Failed to start The Apache HTTP Server.\r\nMay 26 09:22:05 localhost systemd[1]: Unit httpd.service entered failed state.\r\nMay 26 09:22:05 localhost systemd[1]: httpd.service failed.\r\n\r\n#\u8fc7\u6ee4\u51fa\u6709\u9519\u8bef\u7684\u4fe1\u606f\u3002<\/span>\r\n[root@localhost ~]# journalctl -u httpd.service |grep 'error'<\/span>\r\nMay 26 09:22:05 localhost httpd[2958]: httpd: Syntax error on line 354 of \/etc\/httpd\/conf\/httpd.conf: \/etc\/httpd\/conf\/httpd.conf:354:  was not closed.\r\n<\/code><\/pre>\n
 \u53d1\u73b0\/etc\/httpd\/conf\/httpd.conf<\/code>\u914d\u7f6e\u6587\u4ef6\u7684354\u884c\uff0cDirectory<\/code>\u6807\u7b7e\u6ca1\u6709\u5173\u95ed\uff0c\u8fd4\u73b0\u539f\u56e0\u4e86\uff0c\u5c31\u9a6c\u4e0a\u4fee\u6539\u5427\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
Linux \u670d\u52a1\u7ba1\u7406\u4e24\u79cd\u65b9\u5f0fservice\u548csystemctl systemd\u662fLinux\u7cfb\u7edf\u6700\u65b0\u7684\u521d\u59cb\u5316\u7cfb\u7edf […]<\/p>\n","protected":false},"author":1,"featured_media":26470,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[34],"tags":[],"class_list":["post-26469","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-linux"],"_links":{"self":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts\/26469","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/comments?post=26469"}],"version-history":[{"count":0,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts\/26469\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/media\/26470"}],"wp:attachment":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/media?parent=26469"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/categories?post=26469"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/tags?post=26469"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}