\n\t \n<\/p>\n
- \n
- \n
\n\t\t\tcrontab -l \u5217\u51fa\u8a72\u4f7f\u7528\u8005\u64c1\u6709\u7684 crontab \u6307\u4ee4<\/strong><\/span>\n\t\t<\/p>\n<\/li>\n
- \n
\n\t\t\tcrontab -e \u7de8\u8f2f\u8a72\u4f7f\u7528\u8005\u7684 crontab \u6307\u4ee4<\/strong><\/span>\n\t\t<\/p>\n<\/li>\n
- \n
\n\t\t\tcrontab -r \u5c07\u4f7f\u7528\u8005\u7684 crontab \u5168\u90e8\u6e05\u9664\uff01\uff08 \u5c0f\u5fc3\u4f7f\u7528 \uff09<\/strong><\/span>\n\t\t<\/p>\n<\/li>\n
- \n
\n\t\t\tcrontab -u \u6539\u8b8a\u6392\u7a0b\u7684\u57f7\u884c\u8eab\u5206: crontab -u user filename<\/strong><\/span>\n\t\t<\/p>\n<\/li>\n<\/ul>\n
\n\t \n<\/p>\n
\n\t \n<\/p>\n
\n\t2. Cron \u8a9e\u6cd5\u4ecb\u7d39<\/strong><\/span><\/span>\n<\/p>\n
\n\t \n<\/p>\n
\n\tcrontab \u662f Linux \u5167\u5efa\u7684\u6a5f\u5236\uff0c\u53ef\u4ee5\u6839\u64da\u8a2d\u7f6e\u7684\u6642\u9593\u53c3\u6578\u4f86\u57f7\u884c\u4f8b\u884c\u6027\u7684\u5de5\u4f5c\u6392\u7a0b\u3002\n<\/p>\n
\n\t \n<\/p>\n
\n\t
\n<\/p>\n
\n\t \n<\/p>\n
\n\t\u4f9d\u5e8f\u662f \u5206\u9418, \u5c0f\u6642, \u65e5\u671f, \u6708\u4efd, \u661f\u671f, command<\/strong><\/span><\/font>\n<\/p>\n
\n\t\u53c3\u6578\u70ba 0-59, 0-23, 1-31, 1-21, 0-6, \u9700\u8981\u57f7\u884c\u7684command<\/span><\/font>\n<\/p>\n
\n\t \n<\/p>\n
\n\t\u203b \u661f\u671f\u53c3\u6578\u70ba 0 \u4ee3\u8868\u661f\u671f\u65e5<\/strong><\/span>\n<\/p>\n
\n\t \n<\/p>\n
\n\t
\n<\/p>\n
\n\t \n<\/p>\n
\n\t \n<\/p>\n
\n\t3. \u53c3\u6578\u7279\u6b8a\u5b57\u7b26\u610f\u7fa9\n<\/p>\n
\n\t \n<\/p>\n
\n\t\u3010*\u3011\uff1a\u661f\u865f\uff0c\u4ee3\u8868\u4efb\u4f55\u6642\u523b\u90fd\u63a5\u53d7\u7684\u610f\u601d<\/span>\n<\/p>\n
\n\t\u3010,\u3011\uff1a\u9017\u865f\uff0c\u4ee3\u8868\u5206\u9694\u6642\u6bb5\u3002\u4f8b\u5982\uff1a30 9,17 * * * command\uff0c\u4ee3\u8868\u65e9\u4e0a 9 \u9ede\u534a\u548c\u4e0b\u5348\u4e94\u9ede\u534a\u90fd\u57f7\u884c command\u3002<\/span>\n<\/p>\n
\n\t\u3010-\u3011\uff1a\u6e1b\u865f\uff0c\u4ee3\u8868\u4e00\u6bb5\u6642\u9593\u7bc4\u570d\u3002\u4f8b\u5982\uff1a15 9-12 * * * command\uff0c\u4ee3\u8868\u5f9e 9 \u9ede\u5230 12 \u9ede\u7684\u6bcf\u500b 15 \u5206\u90fd\u57f7\u884c command\u3002<\/span>\n<\/p>\n
\n\t\u3010\/n\u3011\uff1a\u659c\u7dda\uff0cn \u4ee3\u8868\u6578\u5b57\uff0c\u8868\u793a\u6bcf\u500b n \u55ae\u4f4d\u9593\u9694\u3002\u4f8b\u5982\uff1a*\/5 * * * * command\uff0c\u4ee3\u8868\u6bcf\u9694 5 \u5206\u9418\u57f7\u884c\u4e00\u6b21 command\u3002<\/span>\n<\/p>\n
\n\t \n<\/p>\n
\n\t\u25a0 \u9084\u6709\u4e00\u4e9b\u4eba\u6027\u5316\u7684\u53c3\u6578\uff0c\u4e00\u6b21\u53d6\u4ee3\u5168\u90e8\u4e94\u500b\u6578\u5b57\u53c3\u6578\n<\/p>\n
\n\t \n<\/p>\n
\n\t\u3010@reboot\u3011 \uff1a\u50c5\u5728\u958b\u6a5f\u7684\u6642\u5019\u57f7\u884c\u4e00\u6b21\u3002<\/span>\n<\/p>\n
\n\t\u3010@yearly\u3011 \uff1a\u4e00\u5e74\u57f7\u884c\u4e00\u6b21\uff0c\u548c0 0 1 1 * command\u6548\u679c\u4e00\u6a23\u3002<\/span>\n<\/p>\n
\n\t\u3010@annually\u3011\uff1a\uff08\u548c@yearly\u4e00\u6a23\uff09<\/span>\n<\/p>\n
\n\t\u3010@monthly\u3011\uff1a\u4e00\u500b\u6708\u57f7\u884c\u4e00\u6b21\uff0c\u548c0 0 1 * * command\u6548\u679c\u4e00\u6a23\u3002<\/span>\n<\/p>\n
\n\t\u3010@weekly\u3011\uff1a\u4e00\u500b\u661f\u671f\u57f7\u884c\u4e00\u6b21\uff0c\u548c0 0 * * 0 command\u6548\u679c\u4e00\u6a23\u3002<\/span>\n<\/p>\n
\n\t\u3010@daily\u3011\uff1a\u6bcf\u5929\u57f7\u884c\uff0c\u548c0 0 * * * command\u6548\u679c\u4e00\u6a23\u3002<\/span>\n<\/p>\n
\n\t\u3010@midnight\u3011\uff1a\uff08\u548c@daily\u4e00\u6a23\uff09<\/span>\n<\/p>\n
\n\t\u3010@hourly\u3011 \uff1a\u6bcf\u5c0f\u6642\u57f7\u884c\uff0c\u548c0 * * * * command\u6548\u679c\u4e00\u6a23\u3002<\/span>\n<\/p>\n
\n\t \n<\/p>\n
\n\t \n<\/p>\n
\n\t4. Cron \u57f7\u884c\u7bc4\u4f8b<\/span><\/span>\n<\/p>\n
\n\t \n<\/p>\n
- \n
- \n
\n\t\t\t\u6bcf 5 \u5206\u9418\u57f7\u884c\u4e00\u6b21\uff1a<\/strong>\n\t\t<\/p>\n
- \n
- \n\t\t\t\t*\/5 * * * * root \/usr\/libexec\/atrun<\/strong><\/span>\n\t\t\t<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n
\n\t \n<\/p>\n
- \n
- \n
\n\t\t\t\u6bcf 5 \u5c0f\u6642\u57f7\u884c\u4e00\u6b21<\/strong>\n\t\t<\/p>\n
- \n
- \n\t\t\t\t\u200b* *\/5 * * * root \/usr\/libexec\/atrun<\/strong><\/span>\n\t\t\t<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n
\n\t \n<\/p>\n
- \n
- \n
\n\t\t\t\u6bcf\u5929 AM 5:00 \u57f7\u884c\u6307\u4ee4(\u661f\u865f\u8207\u661f\u865f\u4e4b\u9593\u8981\u6709\u7a7a\u9694)<\/strong>\n\t\t<\/p>\n
- \n
- \n\t\t\t\t\u200b00 05 * * * username \/bin\/bash \/\u8def\u5f91\/command<\/strong><\/span>\n\t\t\t<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n
\n\t \n<\/p>\n
- \n
- \n
\n\t\t\t1 \u81f3 20 \u865f\u6bcf\u5929\u57f7\u884c\u4e00\u6b21<\/strong>\n\t\t<\/p>\n
- \n
- \n\t\t\t\t\u200b0 1 1-20 * * root \/usr\/libexec\/atrun<\/strong><\/span>\n\t\t\t<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n
\n\t \n<\/p>\n
- \n
- \n
\n\t\t\t\u7576\u5206\u91dd\u79fb\u5230\u7b2c 5 \u5206\u6642\uff0c\u57f7\u884c\u6b64 cron<\/strong>\n\t\t<\/p>\n
- \n
- \n\t\t\t\t\u200b5 * * * * root \/usr\/libexec\/atrun<\/strong><\/span>\n\t\t\t<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n
\n\t \n<\/p>\n
- \n
- \n
\n\t\t\t\u7576\u6642\u91dd\u79fb\u5230 1 \u9ede 1 \u5206\u6642\uff0c\u57f7\u884c\u6b64 cron<\/strong>\n\t\t<\/p>\n
- \n
- \n\t\t\t\t\u200b1 1 * * * root \/usr\/libexec\/atrun<\/strong><\/span>\n\t\t\t<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n
\n\t \n<\/p>\n
- \n
- \n
\n\t\t\t\u6bcf\u9031\u4e00\u7684 1 \u9ede 1 \u5206\uff0c\u57f7\u884c<\/strong>\n\t\t<\/p>\n
- \n
- \n\t\t\t\t\u200b1 1 * * 1 root \/usr\/libexec\/atrun<\/strong><\/span>\n\t\t\t<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n
\n\t \n<\/p>\n
- \n
- \n
\n\t\t\t2 \u6708 29 \u65e5\u6642\u91dd\u5230 1 \u9ede 1 \u5206\uff0c\u57f7\u884c<\/strong>\n\t\t<\/p>\n
- \n
- \n\t\t\t\t\u200b1 1 29 2 * root \/usr\/libexec\/atrun<\/strong><\/span>\n\t\t\t<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n
\n\t \n<\/p>\n
- \n
- \n
\n\t\t\t8 \u9ede\u5230 16 \u9ede\u6bcf 5 \u5206\u9418\u57f7\u884c\u4e00\u6b21 cron<\/strong>\n\t\t<\/p>\n
- \n
- \n\t\t\t\t\u200b*\/5 8-16 * * * root \/usr\/libexec\/atrun<\/strong><\/span>\n\t\t\t<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n
\n\t \n<\/p>\n
\n\t\u8a2d\u5b9a\u5b8c\u6210\u5f8c\u5c07 cron \u91cd\u65b0\u555f\u52d5\n<\/p>\n
\n\t \n<\/p>\n
\n
\n\t\t\/etc\/init.d\/cron restart<\/strong><\/span>\n\t<\/p>\n<\/blockquote>\n
\n\t \n<\/p>\n
\n\t \n<\/p>\n
\n\t5. \u5982\u4f55\u8b93 cron job \u81ea\u52d5\u5099\u4efd\u8cc7\u6599<\/strong><\/span><\/span>\n<\/p>\n
\n\t \n<\/p>\n
\n\t\u7bc4\u4f8b\u662f\u6bcf\u5929\u81ea\u52d5\u5099\u4efd\u53e6\u4e00\u53f0\u6a5f\u5668\u7684\u8cc7\u6599\uff0c\u4f46\u662f\u6642\u9593\u4e00\u4e45 \uff0c\u5099\u4efd\u7684\u8cc7\u6599\u6703\u8d8a\u4f86\u8d8a\u591a\uff0c\u6700\u5f8c\u786c\u789f\u6703\u6490\u4e0d\u4f4f\uff0c\u6240\u4ee5\u53c8\u8981\u52a0\u4e00\u500b\u81ea\u52d5\u522a\u9664\u820a\u6a94\u7684 cron job\uff0c\u4e0b\u9762\u9019\u500b\u7bc4\u4f8b\u6703\u81ea\u52d5\u522a\u9664\u4e94\u5929\u524d\u7684 gz \u5099\u4efd\u6a94\u3002\n<\/p>\n
\n\t \n<\/p>\n
\n
\n\t\t40 1 * * * userxx \/usr\/bin\/rm `date –date="-5 day" +"\\%Y-\\%m-\\%d"`*.gz<\/strong><\/span>\n\t<\/p>\n<\/blockquote>\n
\n\t \n<\/p>\n
\n\t \n<\/p>\n
\n\t6. \u5176\u4ed6<\/strong><\/span><\/span>\n<\/p>\n
\n\t \n<\/p>\n
- \n
- \n
\n\t\t\t\u555f\u7528 Crontab \uff1a<\/strong>\n\t\t<\/p>\n
- \n
- \n\t\t\t\t\u200bsudo service cron start<\/strong><\/span>\n\t\t\t<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n
\n\t \n<\/p>\n
- \n
- \n
\n\t\t\t\u67e5\u8a62 Crontab \u662f\u5426\u6709\u67e5\u8a62\uff1a<\/strong>\n\t\t<\/p>\n
- \n
- \n\t\t\t\t\u200bgrep CRON \/var\/log\/syslog<\/strong><\/span>\n\t\t\t<\/li>\n
- \n\t\t\t\ttail -f \/var\/log\/syslog | grep CRON<\/strong><\/span>\n\t\t\t<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n
\n\t \n<\/p>\n
- \n
- \n
\n\t\t\t\u6aa2\u67e5\u5df2\u958b\u555f\u7684\u670d\u52d9\uff1a<\/strong>\n\t\t<\/p>\n
- \n
- \n\t\t\t\t\u200b\/etc\/init.d<\/strong><\/span>\n\t\t\t<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n
\n\t <\/p>\n","protected":false},"excerpt":{"rendered":"
\u5728linux\u7cfb\u7d71\u4e2d\uff0c\u5982 ubuntu\uff0ccron \u6392\u7a0b\u7684\u8cc7\u6599\u662f\u5b58\u5728 \/etc\/crontab \u4e2d\uff0c\u6211\u5011\u53ef\u4ee5\u76f4\u63a5\u8f38\u5165 sudo nano \/etc\/crontab \u9032\u884c\u7de8\u8f2f\u3002 1. Linux Cron \u6307\u4ee4 crontab -l \u5217\u51fa\u8a72\u4f7f\u7528\u8005\u64c1\u6709\u7684 crontab \u6307\u4ee4 crontab -e \u7de8\u8f2f\u8a72\u4f7f\u7528\u8005\u7684 crontab \u6307\u4ee4 crontab -r \u5c07\u4f7f\u7528\u8005\u7684 c […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","enabled":false}}},"categories":[3],"tags":[228,195,227],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/p6rhcT-bG","jetpack-related-posts":[],"jetpack_likes_enabled":false,"_links":{"self":[{"href":"https:\/\/jqnets.com\/blog\/wp-json\/wp\/v2\/posts\/724"}],"collection":[{"href":"https:\/\/jqnets.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/jqnets.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/jqnets.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/jqnets.com\/blog\/wp-json\/wp\/v2\/comments?post=724"}],"version-history":[{"count":1,"href":"https:\/\/jqnets.com\/blog\/wp-json\/wp\/v2\/posts\/724\/revisions"}],"predecessor-version":[{"id":725,"href":"https:\/\/jqnets.com\/blog\/wp-json\/wp\/v2\/posts\/724\/revisions\/725"}],"wp:attachment":[{"href":"https:\/\/jqnets.com\/blog\/wp-json\/wp\/v2\/media?parent=724"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/jqnets.com\/blog\/wp-json\/wp\/v2\/categories?post=724"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/jqnets.com\/blog\/wp-json\/wp\/v2\/tags?post=724"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
- \n\t\t\t\t\u200b\/etc\/init.d<\/strong><\/span>\n\t\t\t<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n
- \n\t\t\t\ttail -f \/var\/log\/syslog | grep CRON<\/strong><\/span>\n\t\t\t<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n
- \n\t\t\t\t\u200bgrep CRON \/var\/log\/syslog<\/strong><\/span>\n\t\t\t<\/li>\n
- \n
- \n\t\t\t\t\u200bsudo service cron start<\/strong><\/span>\n\t\t\t<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n
- \n
- \n\t\t\t\t\u200b*\/5 8-16 * * * root \/usr\/libexec\/atrun<\/strong><\/span>\n\t\t\t<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n
- \n
- \n\t\t\t\t\u200b1 1 29 2 * root \/usr\/libexec\/atrun<\/strong><\/span>\n\t\t\t<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n
- \n
- \n\t\t\t\t\u200b1 1 * * 1 root \/usr\/libexec\/atrun<\/strong><\/span>\n\t\t\t<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n
- \n
- \n\t\t\t\t\u200b1 1 * * * root \/usr\/libexec\/atrun<\/strong><\/span>\n\t\t\t<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n
- \n
- \n\t\t\t\t\u200b5 * * * * root \/usr\/libexec\/atrun<\/strong><\/span>\n\t\t\t<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n
- \n
- \n\t\t\t\t\u200b0 1 1-20 * * root \/usr\/libexec\/atrun<\/strong><\/span>\n\t\t\t<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n
- \n
- \n\t\t\t\t\u200b00 05 * * * username \/bin\/bash \/\u8def\u5f91\/command<\/strong><\/span>\n\t\t\t<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n
- \n
- \n\t\t\t\t\u200b* *\/5 * * * root \/usr\/libexec\/atrun<\/strong><\/span>\n\t\t\t<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n
- \n
- \n\t\t\t\t*\/5 * * * * root \/usr\/libexec\/atrun<\/strong><\/span>\n\t\t\t<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n
- \n