{"id":50,"date":"2024-11-30T20:34:42","date_gmt":"2024-11-30T12:34:42","guid":{"rendered":"https:\/\/note.yuncrown.com\/?p=50"},"modified":"2024-12-01T10:04:40","modified_gmt":"2024-12-01T02:04:40","slug":"%e4%bb%bb%e5%8a%a1%e8%b0%83%e5%ba%a6crondatlinux","status":"publish","type":"post","link":"https:\/\/note.yuncrown.com\/index.php\/2024\/11\/30\/%e4%bb%bb%e5%8a%a1%e8%b0%83%e5%ba%a6crondatlinux\/","title":{"rendered":"\u4efb\u52a1\u8c03\u5ea6(crond,at)[linux]"},"content":{"rendered":"\n

\u57fa\u672c\u8bed\u6cd5<\/strong><\/p>\n\n\n\n

# crontab [\u9009\u9879]\n# -e \u7f16\u8f91crontab\u5b9a\u65f6\u4efb\u52a1\n# -l \u67e5\u8be2crontab\u5b9a\u65f6\u4efb\u52a1\n# -r \u5220\u9664crontab\u5b9a\u65f6\u4efb\u52a1\n\n# \u8bbe\u7f6e\u4efb\u52a1\u8c03\u5ea6\u6587\u4ef6 \/etc\/crontab\n# \u8bbe\u7f6e\u4e2a\u4eba\u4efb\u52a1\u8c03\u5ea6\uff1a\u6267\u884ccrontab -e\u547d\u4ee4\n# \u8f93\u5165\u4efb\u52a1\u5230\u8c03\u5ea6\u6587\u4ef6\n# \u6bcf\u5c0f\u65f6\u6bcf\u5206\u949f\u6267\u884cls -l \/etc\/ > \/tmp\/to.txt\n*\/1 * * * * ls -l \/etc\/ > \/tmp\/to.txt<\/code><\/pre>\n\n\n\n
\u5360\u4f4d\u7b26\u8bf4\u660e<\/strong><\/p>\n\n\n\n
\u9879\u76ee<\/td>\u542b\u4e49<\/td>\u8303\u56f4<\/td><\/tr>
\u7b2c\u4e00\u4e2a”\\*”<\/td>\u4e00\u5c0f\u65f6\u5f53\u4e2d\u7684\u7b2c\u51e0\u5206\u949f<\/td>0-59<\/td><\/tr>
\u7b2c\u4e8c\u4e2a”\\*”<\/td>\u4e00\u5929\u5f53\u4e2d\u7684\u7b2c\u51e0\u4e2a\u5c0f\u65f6<\/td>0-23<\/td><\/tr>
\u7b2c\u4e09\u4e2a”\\*”<\/td>\u4e00\u4e2a\u6708\u5f53\u4e2d\u7684\u7b2c\u51e0\u5929<\/td>1-31<\/td><\/tr>
\u7b2c\u56db\u4e2a”\\*”<\/td>\u4e00\u5e74\u5f53\u4e2d\u7684\u7b2c\u51e0\u4e2a\u6708<\/td>1-12<\/td><\/tr>
\u7b2c\u4e94\u4e2a”\\*”<\/td>\u4e00\u5468\u5f53\u4e2d\u7684\u661f\u671f\u51e0<\/td>0-7\uff080\u548c7\u90fd\u4ee3\u8868\u661f\u671f\u65e5\uff09<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
\u7279\u6b8a\u7b26\u53f7\u8bf4\u660e<\/strong><\/p>\n\n\n\n
\u7279\u6b8a\u7b26\u53f7<\/td>\u542b\u4e49<\/td><\/tr>
\\*<\/td>\u4ee3\u8868\u4efb\u4f55\u65f6\u95f4\uff0c\u6bcf\u6b21\u90fd\u6267\u884c\uff0c\u6bd4\u5982\u7b2c\u4e00\u4e2a”\\*”\u5c31\u4ee3\u8868\u4e00\u5c0f\u65f6\u4e2d\u6bcf\u4e00\u5206\u949f\u90fd\u6267\u884c\u4e00\u6b21\u7684\u610f\u601d<\/td><\/tr>
,<\/td>\u4ee3\u8868\u4e0d\u8fde\u7eed\u7684\u65f6\u95f4\uff0c\u6bd4\u5982”0 8,12,16 \\* \\* \\*\u547d\u4ee4”\uff0c\u4ee3\u8868\u6bcf\u59298\u70b90\u5206\uff0c12\u70b90\u5206\uff0c16\u70b90\u5206\u6267\u884c\u4e00\u6b21<\/td><\/tr>
–<\/td>\u4ee3\u8868\u8fde\u7eed\u7684\u65f6\u95f4\u8303\u56f4\uff0c\u6bd4\u5982”0 5 \\* \\* 1-6\u547d\u4ee4”\uff0c\u4ee3\u8868\u5468\u4e00\u5230\u5468\u516d\u51cc\u66685\u70b90\u5206\u6267\u884c\u547d\u4ee4<\/td><\/tr>
\/n<\/td>\u4ee3\u8868\u6bcf\u9694\u591a\u4e45\u6267\u884c\u4e00\u6b21\uff0c\u6bd4\u5982”\/10 \\* \\* \\* \\*\u547d\u4ee4”\uff0c\u4ee3\u8868\u6bcf\u969410\u5206\u949f\u6267\u884c\u4e00\u6b21\u547d\u4ee4<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
\u7279\u5b9a\u65f6\u95f4\u6267\u884c\u4efb\u52a1\u6848\u4f8b<\/strong><\/p>\n\n\n\n
\u65f6\u95f4<\/td>\u542b\u4e49<\/td><\/tr>
45 22 \\* \\* \\* \u547d\u4ee4<\/td>\u572822\u70b945\u5206\u6267\u884c\u547d\u4ee4<\/td><\/tr>
0 17 \\* \\* 1 \u547d\u4ee4<\/td>\u5728\u6bcf\u5468\u4e0017\u70b90\u5206\u6267\u884c\u547d\u4ee4<\/td><\/tr>
0 5 1,15 \\* \\* \u547d\u4ee4<\/td>\u5728\u6bcf\u6708\u76841\u53f7\u548c15\u53f75\u70b90\u5206\u6267\u884c\u547d\u4ee4<\/td><\/tr>
40 4 \\* \\* 1-5 \u547d\u4ee4<\/td>\u5728\u6bcf\u5468\u4e00\u5230\u5468\u4e94\u51cc\u66684\u70b940\u5206\u6267\u884c\u547d\u4ee4<\/td><\/tr>
\/10 4 \\* \\* \\* \u547d\u4ee4<\/td>\u5728\u6bcf\u5929\u51cc\u66684\u70b9\u6bcf\u969410\u5206\u949f\u6267\u884c\u547d\u4ee4<\/td><\/tr>
0 0 1,15 \\* 1 \u547d\u4ee4<\/td>\u5728\u6bcf\u5468\u4e00\uff0c\u6bcf\u67081\u53f7\u548c15\u53f7\u51cc\u66680\u70b90\u5206\u6267\u884c\u547d\u4ee4<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
at\u57fa\u672c\u4ecb\u7ecd<\/strong><\/p>\n\n\n\n
# at\u662f\u4e00\u6b21\u6027\u5b9a\u65f6\u8ba1\u5212\u4efb\u52a1\uff0cat\u7684\u5b88\u62a4\u8fdb\u7a0batd\u4f1a\u4ee5\u540e\u53f0\u6a21\u5f0f\u8fd0\u884c\uff0c\u68c0\u67e5\u4f5c\u4e1a\u961f\u5217\u6765\u8fd0\u884c\n# \u9ed8\u8ba4\u6bcf\u969460\u79d2\u68c0\u67e5\u4f5c\u4e1a\u961f\u5217\uff0c\u6709\u4f5c\u4e1a\u65f6\u68c0\u67e5\u4f5c\u4e1a\u8fd0\u884c\u65f6\u95f4\uff0c\u82e5\u4e0e\u5f53\u524d\u65f6\u95f4\u5339\u914d\uff0c\u8fd0\u884c\u6b64\u4f5c\u4e1a\n# at\u662f\u4e00\u6b21\u6027\u5b9a\u65f6\u8ba1\u5212\u4efb\u52a1\uff0c\u6267\u884c\u5b8c\u4e00\u4e2a\u4efb\u52a1\u540e\u4e0d\u518d\u6267\u884c\u6b64\u4efb\u52a1\n# \u4f7f\u7528at\u547d\u4ee4\u65f6\u4fdd\u8bc1atd\u8fdb\u7a0b\u7684\u542f\u52a8\uff0c\u53ef\u4f7f\u7528\u76f8\u5173\u547d\u4ee4\u67e5\u770b\nps -ef|grep atd # \u67e5\u770batd\u8fdb\u7a0b\u662f\u5426\u542f\u52a8<\/code><\/pre>\n\n\n\n
at\u547d\u4ee4\u683c\u5f0f<\/strong><\/p>\n\n\n\n
# \u547d\u4ee4\uff0c\u6309ctrl + D \u7ed3\u675f\u547d\u4ee4\u8f93\u5165\nat [\u9009\u9879][\u65f6\u95f4]<\/code><\/pre>\n\n\n\n
at\u5e94\u7528\u5b9e\u4f8b<\/strong><\/p>\n\n\n\n
# \u4e24\u5929\u540e\u7684\u4e0b\u53485\u70b9\u6267\u884c \/bin\/ls \/home\nat 5pm + 2days # at> \u8f93\u5165 \/bin\/ls \/home # \u6309ctrl + D(\u8f93\u5165\u4e24\u6b21)\n# atq\u547d\u4ee4\u67e5\u770b\u7cfb\u7edf\u4e2d\u6ca1\u6709\u6267\u884c\u7684\u5de5\u4f5c\u4efb\u52a1\natq\n# \u660e\u592917\u70b9\uff0c\u8f93\u51fa\u65f6\u95f4\u5230\u6307\u5b9a\u6587\u4ef6\u5185\uff0c\u6bd4\u5982\/root\/date100.log\nat 5pm tomorrow # at> \u8f93\u5165 date > \/root\/date100.log # \u6309ctrl + D(\u8f93\u5165\u4e24\u6b21)\n# 2\u5206\u949f\u540e\uff0c\u8f93\u51fa\u65f6\u95f4\u5230\u6307\u5b9a\u6587\u4ef6\u5185\uff0c\u6bd4\u5982\/root\/date200.log\nat now + 2minutes # at> \u8f93\u5165 date > \/root\/date100.log # \u6309ctrl + D(\u8f93\u5165\u4e24\u6b21)\n# \u5220\u9664\u5df2\u7ecf\u8bbe\u7f6e\u7684\u4efb\u52a1\natrm \u7f16\u53f7<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"
\u57fa\u672c\u8bed\u6cd5 \u5360\u4f4d\u7b26\u8bf4\u660e \u9879\u76ee \u542b\u4e49 \u8303\u56f4 \u7b2c\u4e00\u4e2a”\\*” \u4e00\u5c0f\u65f6\u5f53\u4e2d\u7684\u7b2c\u51e0\u5206\u949f 0-59 […]<\/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":[15,14],"class_list":["post-50","post","type-post","status-publish","format-standard","hentry","category-linux","tag-crond","tag-linux"],"_links":{"self":[{"href":"https:\/\/note.yuncrown.com\/index.php\/wp-json\/wp\/v2\/posts\/50","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/note.yuncrown.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/note.yuncrown.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/note.yuncrown.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/note.yuncrown.com\/index.php\/wp-json\/wp\/v2\/comments?post=50"}],"version-history":[{"count":1,"href":"https:\/\/note.yuncrown.com\/index.php\/wp-json\/wp\/v2\/posts\/50\/revisions"}],"predecessor-version":[{"id":51,"href":"https:\/\/note.yuncrown.com\/index.php\/wp-json\/wp\/v2\/posts\/50\/revisions\/51"}],"wp:attachment":[{"href":"https:\/\/note.yuncrown.com\/index.php\/wp-json\/wp\/v2\/media?parent=50"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/note.yuncrown.com\/index.php\/wp-json\/wp\/v2\/categories?post=50"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/note.yuncrown.com\/index.php\/wp-json\/wp\/v2\/tags?post=50"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}