{"id":425982,"date":"2021-04-02T01:59:51","date_gmt":"2021-04-01T17:59:51","guid":{"rendered":"http:\/\/4563.org\/?p=425982"},"modified":"2021-04-02T01:59:51","modified_gmt":"2021-04-01T17:59:51","slug":"%e5%a4%9a%e4%b8%aa%e7%94%b1-systemd-timer-%e8%a7%a6%e5%8f%91%e7%9a%84%e6%af%8f%e6%97%a5%e5%a4%87%e4%bb%bd%e4%bb%bb%e5%8a%a1%e4%b8%ad%e6%9c%89%e4%b8%80%e4%b8%aa%e9%9d%99%e9%bb%98%e4%b8%8d%e5%90%af","status":"publish","type":"post","link":"http:\/\/4563.org\/?p=425982","title":{"rendered":"\u591a\u4e2a\u7531 systemd timer \u89e6\u53d1\u7684\u6bcf\u65e5\u5907\u4efd\u4efb\u52a1\u4e2d\u6709\u4e00\u4e2a\u9759\u9ed8\u4e0d\u542f\u52a8"},"content":{"rendered":"<div>\n<div>\n<div>\n<h1>                  \u591a\u4e2a\u7531 systemd timer \u89e6\u53d1\u7684\u6bcf\u65e5\u5907\u4efd\u4efb\u52a1\u4e2d\u6709\u4e00\u4e2a\u9759\u9ed8\u4e0d\u542f\u52a8               <\/h1>\n<p> <\/p>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : jasonyang9 <\/span>  <span><i><\/i> 5<\/span> <\/div>\n<div> <\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<div isfirst=\"1\"> <\/p>\n<p>\u603b\u4f53\u7ed3\u6784\u662f\u8fd9\u6837\u7684\uff0c<code>daily-timer.timer<\/code>\u8bbe\u5b9a\u6bcf\u5929\u534a\u591c 2 \u70b9\u968f\u673a\u5ef6\u8fdf 3600 \u79d2\u89e6\u53d1<code>daily-timer.target<\/code>\uff0c\u591a\u4e2a<code>.service<\/code>\u670d\u52a1\u5355\u5143\u8bbe\u5b9a<code>[Install]<\/code>\u4e3a<code>WantedBy=daily-timer.target<\/code>\u3002 \u5404<code>.service<\/code>\u670d\u52a1\u5355\u5143\u7684<code>[Service]<\/code>\u7684<code>Type=oneshot<\/code>\uff0c\u4e3a\u4e86\u987a\u5e8f\u800c\u4e0d\u662f\u5e76\u53d1\u542f\u52a8\uff0c\u5728<code>[Unit]<\/code>\u4e2d\u8bbe\u5b9a<code>After=<\/code>\u3002<\/p>\n<p>\u73b0\u5728\u7684\u60c5\u51b5\u662f\u5176\u4e2d\u4e00\u4e2a<code>self-backup.service<\/code>\uff0c\u662f\u6392\u5728\u6700\u540e\u542f\u52a8\u7684\uff0c\u5b9e\u9645\u5374\u9759\u9ed8\u4e0d\u542f\u52a8\uff0c\u6ca1\u6709\u9519\u8bef\u65e5\u5fd7\u3002\u5176\u5b83\u51e0\u4e2a\u670d\u52a1\u90fd\u6210\u529f\u3002<\/p>\n<p>\u5148\u8d34\u4e0a\u8fd9\u4e2a\u670d\u52a1\u7684\u914d\u7f6e\u3002<\/p>\n<pre><code>$ systemctl cat self-backup.service # \/etc\/systemd\/system\/self-backup.service [Unit] Description=Self Backup Requires=mnt-nas2.mount After=mnt-nas2.mount After=reboot4.service  [Service] Type=oneshot ExecStart=\/root\/sh\/backup\/self-backup.sh  [Install] WantedBy=daily-timer.target <\/code><\/pre>\n<p>\u65e5\u5fd7\u7a7a\u7a7a\u5982\u4e5f\u3002<\/p>\n<pre><code>$ sudo journalctl --unit=self-backup.service $ sudo journalctl --priority=err --unit=self-backup.service $ sudo journalctl --priority=debug --unit=self-backup.service <\/code><\/pre>\n<p>\u6ca1\u6709\u542f\u52a8\u6216\u6ca1\u542f\u52a8\u7684\u4efb\u4f55\u65e5\u5fd7\u3002<\/p>\n<p>\u5c1d\u8bd5\u624b\u52a8\u542f\u52a8\u8fd9\u4e00\u4e2a\u670d\u52a1\u662f\u6210\u529f\u7684\uff0c\u4e5f\u4f1a\u6709\u65e5\u5fd7\u8bb0\u5f55\u3002<\/p>\n<pre><code>$ sudo systemctl start self-backup.service $ sudo journalctl --unit=self-backup.service <\/code><\/pre>\n<p>\u4f46\u5c31\u662f\u65e0\u6cd5\u88ab Timer \u89e6\u53d1\u3002<\/p>\n<pre><code>$ sudo systemctl list-dependenies self-backup.service self-backup.service \u25cf \u251c\u2500mnt-nas2.mount \u25cf \u251c\u2500system.slice \u25cf \u2514\u2500sysinit.target \u25cf   \u251c\u2500apparmor.service \u25cf   \u251c\u2500blk-availability.service \u25cf   \u251c\u2500dev-hugepages.mount \u25cf   \u251c\u2500dev-mqueue.mount \u25cf   \u251c\u2500keyboard-setup.service \u25cf   \u251c\u2500kmod-static-nodes.service \u25cf   \u251c\u2500lvm2-lvmpolld.socket \u25cf   \u251c\u2500lvm2-monitor.service \u25cf   \u251c\u2500nftables.service \u25cf   \u251c\u2500proc-sys-fs-binfmt_misc.automount \u25cf   \u251c\u2500sys-fs-fuse-connections.mount \u25cf   \u251c\u2500sys-kernel-config.mount \u25cf   \u251c\u2500sys-kernel-debug.mount \u25cf   \u251c\u2500systemd-ask-password-console.path \u25cf   \u251c\u2500systemd-binfmt.service \u25cf   \u251c\u2500systemd-hwdb-update.service \u25cf   \u251c\u2500systemd-journal-flush.service \u25cf   \u251c\u2500systemd-journald.service \u25cf   \u251c\u2500systemd-machine-id-commit.service \u25cf   \u251c\u2500systemd-modules-load.service \u25cf   \u251c\u2500systemd-random-seed.service \u25cf   \u251c\u2500systemd-sysctl.service \u25cf   \u251c\u2500systemd-sysusers.service \u25cf   \u251c\u2500systemd-timesyncd.service \u25cf   \u251c\u2500systemd-tmpfiles-setup-dev.service \u25cf   \u251c\u2500systemd-tmpfiles-setup.service \u25cf   \u251c\u2500systemd-udev-trigger.service \u25cf   \u251c\u2500systemd-udevd.service \u25cf   \u251c\u2500systemd-update-utmp.service \u25cf   \u251c\u2500cryptsetup.target \u25cf   \u251c\u2500local-fs.target \u25cf   \u2502 \u251c\u2500-.mount \u25cf   \u2502 \u251c\u2500boot.mount \u25cf   \u2502 \u251c\u2500systemd-fsck-root.service \u25cf   \u2502 \u2514\u2500systemd-remount-fs.service \u25cf   \u2514\u2500swap.target \u25cf     \u2514\u2500dev-mapper-vestrox2dx2dvgx2dswap_1.swap <\/code><\/pre>\n<p>\u53ef\u4ee5\u786e\u5b9a<code>self-backup.service<\/code>\u662f\u88ab<code>daily-timer.target<\/code>\u6240\u4f9d\u8d56\u7684\uff0c\u5728<code>\/etc\/systemd\/system\/daily-timer.target.wants\/<\/code>\u76ee\u5f55\u4e0b\u6709\u6240\u6709\u9700\u8981\u89e6\u53d1\u7684\u670d\u52a1\u5355\u5143\u7684\u8f6f\u8fde\u63a5\u3002<\/p>\n<p>\u5c0f\u7ed3\uff1a<\/p>\n<ul>\n<li>\u67d0\u4e2a\u7528\u5b9a\u65f6\u5668\u89e6\u53d1\uff0c\u987a\u5e8f\u542f\u52a8\u7684\u670d\u52a1\u5355\u5143\u9759\u9ed8\u4e0d\u542f\u52a8\u8fd0\u884c<\/li>\n<li>\u6ca1\u6709\u76f8\u5173\u65e5\u5fd7<\/li>\n<li>\u624b\u52a8\u53ef\u4ee5\u6210\u529f\u8fd0\u884c\u8be5\u670d\u52a1\uff0c\u4e5f\u4f1a\u4ea7\u751f\u65e5\u5fd7<\/li>\n<\/ul>\n<p>\u5404\u4f4d\u5f66\u7956\uff0c\u8bf7\u6559\u8fd9\u53ef\u80fd\u662f\u4ec0\u4e48\u95ee\u9898\u5bfc\u81f4\u7684\uff0c\u5176\u6b21\u9047\u5230\u8fd9\u79cd\u95ee\u9898\u7528\u4ec0\u4e48\u529e\u6cd5\u6765\u6392\u9519\u548c\u8c03\u8bd5\uff1f\u8c22\u8c22<\/p>\n<\/p><\/div>\n<div> <b>\u5927\u4f6c\u6709\u8a71\u8aaa<\/b> (<span>1<\/span>)        <\/div>\n<div> <\/div>\n<\/p><\/div>\n<\/p><\/div>\n<ul>\n<li data-pid=\"5718494\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u4e3b<\/span> <span>\u8cc7\u6df1\u5927\u4f6c : jasonyang9 <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             \u6298\u817e\u4e86\u534a\u5929\u53d1\u73b0\u662f\u4f9d\u8d56`Requires=mnt-nas2.mount`\u5728\u7528`.target`\u89e6\u53d1\u65f6\u4e0d\u4f1a\u6ee1\u8db3\uff0c\u4e0d\u4f1a\u81ea\u52a8\u6302\u8f7d\u6587\u4ef6\u7cfb\u7edf\u3002\u800c\u5728\u624b\u52a8\u6267\u884c`systemctl start self-backup.service`\u65f6\u5374\u80fd\u591f\u52a0\u8f7d\u3002\u662f BUG \u4e48\uff1f                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li>\n","protected":false},"excerpt":{"rendered":"<p>\u591a\u4e2a\u7531 systemd timer&hellip;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[],"tags":[],"_links":{"self":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/425982"}],"collection":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=425982"}],"version-history":[{"count":0,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/425982\/revisions"}],"wp:attachment":[{"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=425982"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=425982"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=425982"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}