{"id":41,"date":"2017-03-27T13:25:37","date_gmt":"2017-03-27T04:25:37","guid":{"rendered":"https:\/\/dong1lkim.oboki.net\/?p=41"},"modified":"2019-09-01T22:21:58","modified_gmt":"2019-09-01T13:21:58","slug":"linux-crontab","status":"publish","type":"post","link":"https:\/\/oboki.net\/workspace\/system\/linux\/linux-crontab\/","title":{"rendered":"[Linux] crontab"},"content":{"rendered":"<ul>\n<li>\ud604\uc7ac \uc0ac\uc6a9\uc790\uc758 cron \uc791\uc5c5 \ubaa9\ub85d \ud655\uc778<br \/>\n<code>crontab -l<\/code><\/li>\n<li>\ud604\uc7ac \uc0ac\uc6a9\uc790\uc758 cron \uc791\uc5c5 \uc218\uc815<br \/>\n<code>crontab -e<\/code><\/li>\n<li>\ud604\uc7ac \uc0ac\uc6a9\uc790\uc758 cron \uc791\uc5c5 \uc0ad\uc81c<br \/>\n<code>crontab -r<\/code><\/li>\n<li>cron \ub85c\uadf8 \uacbd\ub85c<br \/>\n<code>\/var\/log\/cron<\/code><\/li>\n<li>cron \uc791\uc5c5 \ub4f1\ub85d<br \/>\n\uc21c\uc11c\ub300\ub85c \uc544\ub798 \ud544\ub4dc\ub97c \ud55c \uce78\uc529 \ub744\uc5b4 \uc785\ub825\ud558\uace0 \uadf8 \ub4a4\uc5d0 \uc2e4\ud589\ud560 \uba85\ub839<br \/>\nex) m h dom mon dow cmd<\/p>\n<ul>\n<li>m(\ubd84)            : 0~59<\/li>\n<li>h(\uc2dc)             : 0~23<\/li>\n<li>dom(\uc77c)      : 1~31<\/li>\n<li>mon(\uc6d4)      : 1~12<\/li>\n<li>dow(\uc694\uc77c) : 0~7 (0,7\uc740 \uc77c\uc694\uc77c)<\/li>\n<\/ul>\n<\/li>\n<li>Example\n<pre><code>* * * * * \/root\/every_1min.sh\n##\u2192 \ub9e4 1\ubd84\ub9c8\ub2e4 \/root\/every_1min.sh \ub97c \uc218\ud589 (\ud558\ub8e8\uc5d0 1440\ud68c[2])\n\n15,45 * * * * \/root\/every_30min.sh\n##\u2192 \ub9e4\uc2dc 15\ubd84, 45\ubd84\uc5d0 \/root\/every_30min.sh \ub97c \uc218\ud589 (\ud558\ub8e8\uc5d0 48\ud68c[3])\n\n*\/10 * * * * \/root\/every_10min.sh\n##\u2192 10\ubd84\ub9c8\ub2e4 \/root\/every_10min.sh \ub97c \uc218\ud589 (\ud558\ub8e8\uc5d0 144\ud68c[4])\n\n0 2 * * * \/root\/backup.sh\n##\u2192 \ub9e4\uc77c 02:00\uc5d0\/root\/backup.sh \ub97c \uc218\ud589 (\ud558\ub8e8\uc5d0 1\ud68c)\n\n30 *\/6 * * * \/root\/every_6hours.sh\n##\u2192 \ub9e4 6\uc2dc\uac04\ub9c8\ub2e4 \uc218\ud589(00:30, 06:30, 12:30, 18:30)\n\n30 1-23\/6 * * * \/root\/every_6hours.sh\n##\u2192 1\uc2dc\ubd80\ud130 \ub9e4 6\uc2dc\uac04\ub9c8\ub2e4 \uc218\ud589(01:30, 07:30, 13:30, 19:30)\n\n0 8 * * 1-5 \/root\/weekday.sh\n##\u2192 \ud3c9\uc77c(\uc6d4\uc694\uc77c~\uae08\uc694\uc77c) 08:00\n\n0 8 * * 0,6 \/root\/weekend.sh\n##\u2192 \uc8fc\ub9d0(\uc77c\uc694\uc77c, \ud1a0\uc694\uc77c) 08:00\n\n* * * * * \/root\/every_1min.sh\n##\u2192 \ub9e4 1\ubd84\ub9c8\ub2e4 \/root\/every_1min.sh \ub97c \uc218\ud589 (\ud558\ub8e8\uc5d0 1440\ud68c[2])\n\n15,45 * * * * \/root\/every_30min.sh\n##\u2192 \ub9e4\uc2dc 15\ubd84, 45\ubd84\uc5d0 \/root\/every_30min.sh \ub97c \uc218\ud589 (\ud558\ub8e8\uc5d0 48\ud68c[3])\n\n*\/10 * * * * \/root\/every_10min.sh\n##\u2192 10\ubd84\ub9c8\ub2e4 \/root\/every_10min.sh \ub97c \uc218\ud589 (\ud558\ub8e8\uc5d0 144\ud68c[4])\n\n0 2 * * * \/root\/backup.sh\n##\u2192 \ub9e4\uc77c 02:00\uc5d0\/root\/backup.sh \ub97c \uc218\ud589 (\ud558\ub8e8\uc5d0 1\ud68c)\n\n30 *\/6 * * * \/root\/every_6hours.sh\n##\u2192 \ub9e4 6\uc2dc\uac04\ub9c8\ub2e4 \uc218\ud589(00:30, 06:30, 12:30, 18:30)\n\n30 1-23\/6 * * * \/root\/every_6hours.sh\n##\u2192 1\uc2dc\ubd80\ud130 \ub9e4 6\uc2dc\uac04\ub9c8\ub2e4 \uc218\ud589(01:30, 07:30, 13:30, 19:30)\n\n0 8 * * 1-5 \/root\/weekday.sh\n##\u2192 \ud3c9\uc77c(\uc6d4\uc694\uc77c~\uae08\uc694\uc77c) 08:00\n\n0 8 * * 0,6 \/root\/weekend.sh\n##\u2192 \uc8fc\ub9d0(\uc77c\uc694\uc77c, \ud1a0\uc694\uc77c) 08:00\n<\/code><\/pre>\n<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\ud604\uc7ac \uc0ac\uc6a9\uc790\uc758 cron \uc791\uc5c5 \ubaa9\ub85d \ud655\uc778 crontab -l \ud604\uc7ac \uc0ac\uc6a9\uc790\uc758 cron \uc791\uc5c5 \uc218\uc815 crontab -e \ud604\uc7ac \uc0ac\uc6a9\uc790\uc758 cron \uc791\uc5c5 \uc0ad\uc81c crontab -r cron \ub85c\uadf8 \uacbd\ub85c \/var\/log\/cron cron \uc791\uc5c5 \ub4f1\ub85d \uc21c\uc11c\ub300\ub85c \uc544\ub798 \ud544\ub4dc\ub97c \ud55c \uce78\uc529 \ub744\uc5b4 \uc785\ub825\ud558\uace0 \uadf8 \ub4a4\uc5d0 \uc2e4\ud589\ud560 \uba85\ub839 ex) m h dom mon dow cmd m(\ubd84) : 0~59 h(\uc2dc) : 0~23 dom(\uc77c) : [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[],"class_list":["post-41","post","type-post","status-publish","format-standard","hentry","category-linux"],"_links":{"self":[{"href":"https:\/\/oboki.net\/workspace\/wp-json\/wp\/v2\/posts\/41","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/oboki.net\/workspace\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/oboki.net\/workspace\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/oboki.net\/workspace\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/oboki.net\/workspace\/wp-json\/wp\/v2\/comments?post=41"}],"version-history":[{"count":9,"href":"https:\/\/oboki.net\/workspace\/wp-json\/wp\/v2\/posts\/41\/revisions"}],"predecessor-version":[{"id":1320,"href":"https:\/\/oboki.net\/workspace\/wp-json\/wp\/v2\/posts\/41\/revisions\/1320"}],"wp:attachment":[{"href":"https:\/\/oboki.net\/workspace\/wp-json\/wp\/v2\/media?parent=41"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/oboki.net\/workspace\/wp-json\/wp\/v2\/categories?post=41"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/oboki.net\/workspace\/wp-json\/wp\/v2\/tags?post=41"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}