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планирование_выполнения_заданий_в_linux [2016/07/22 14:18] val [Сервис cron] |
планирование_выполнения_заданий_в_linux [2026/04/02 11:52] (current) val |
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| * [[Сервис ротации журналов]] | * [[Сервис ротации журналов]] | ||
| - | * [[Сервис Clamav#Журнал]] сервиса Clamav | + | * [[Управление ПО в Linux]] (автоматическое обновление) |
| - | * [[Управление ПО в Linux]] (обновление) | + | |
| * [[Резервное копирование]] | * [[Резервное копирование]] | ||
| ===== Сервис cron ===== | ===== Сервис cron ===== | ||
| - | * [[http://ru.wikipedia.org/wiki/Cron]] | + | * [[https://ru.wikipedia.org/wiki/Cron|cron - Материал из Википедии]] |
| - | * [[https://help.ubuntu.com/community/CronHowto]] | + | * [[https://stackoverflow.com/questions/9049460/cron-jobs-and-random-times-within-given-hours|Cron jobs and random times, within given hours]] |
| + | |||
| + | * [[Коды завершения#Простая система мониторинга]] | ||
| + | * Сервис Git [[Сервис Git#Пример с использованием cron]] | ||
| + | * Команда tar [[Команда tar#Сценарий архивирования каталогов с использованием ssh]] | ||
| + | * [[Сервис Ansible#ansible-pull]] | ||
| <code> | <code> | ||
| - | # crontab -e | + | $ crontab -e |
| - | # crontab -l | + | $ crontab -l |
| + | </code><code> | ||
| # m h dom mon dow command | # m h dom mon dow command | ||
| - | */5 * * * * /etc/backup.sh | + | #5-59/10 * * * * /etc/backup.sh # crontab from root |
| + | |||
| + | */5 * * * * test $(LANG= top -b -n 1 | grep Cpu | cut -d':' -f2 | cut -d. -f1) -gt 60 && ( date; ps awux ) >> /tmp/ps_cpu_hi.log | ||
| + | </code><code> | ||
| + | $ ls /var/spool/cron/ | ||
| - | # crontab -r | + | $ crontab -r |
| </code> | </code> | ||
| ===== Скрипт run-parts ===== | ===== Скрипт run-parts ===== | ||
| <code> | <code> | ||
| - | # cat /etc/crontab | + | # more /etc/crontab |
| ... | ... | ||
| # !!!! Don't work with .sh !!!! | # !!!! Don't work with .sh !!!! | ||
| - | # cp /root/backup_conf.sh /etc/cron.daily/backupconf | + | # mv /etc/mybackup.sh /etc/cron.daily/mybackup |
| # run-parts --report /etc/cron.daily | # run-parts --report /etc/cron.daily | ||
| Line 34: | Line 43: | ||
| ===== Система anacron ===== | ===== Система anacron ===== | ||
| + | |||
| + | * [[https://ru.wikipedia.org/wiki/Anacron|асинхронный или анахроничный cron]] | ||
| + | |||
| <code> | <code> | ||
| # cat /etc/crontab | # cat /etc/crontab | ||
| - | # apt-get install anacron | + | # apt install anacron |
| # man anacrontab | # man anacrontab | ||
| Line 48: | Line 60: | ||
| # ls /var/spool/anacron | # ls /var/spool/anacron | ||
| </code> | </code> | ||
| - | ===== Система atrun ===== | + | |
| + | ===== Systemd timers ===== | ||
| + | |||
| + | * [[https://habr.com/ru/companies/ruvds/articles/512868/|Использование таймеров systemd вместо заданий cron]] | ||
| + | * [[https://wiki.archlinux.org/title/Systemd/Timers]] | ||
| + | * [[Let's Encrypt для внутренних сайтов]] | ||
| <code> | <code> | ||
| - | # ls /etc/init/atd.conf | + | # systemctl list-timers |
| - | # echo "Hello from at > `tty`" | at now + 3 minutes | + | # cat /etc/systemd/system/mybackup.service |
| + | </code><code> | ||
| + | [Unit] | ||
| + | Description=My Backup | ||
| + | After=network.target | ||
| - | # echo "killall proftpd" | at now + 2 days | + | [Service] |
| + | Type=oneshot | ||
| + | ExecStart=/etc/mybackup.sh | ||
| + | </code><code> | ||
| + | # systemctl start mybackup.service | ||
| - | # echo "Hello from at > `tty`" | at 18:40 | + | # systemd-analyze calendar "*-*-* 3:45:00" |
| - | # echo "rm –rf /*" | at 23:59 12/31/2015 | + | # cat /etc/systemd/system/mybackup.timer |
| + | </code><code> | ||
| + | [Unit] | ||
| + | Description=Timer for My Backup | ||
| - | # atq | + | [Timer] |
| + | OnCalendar=*-*-* *:*:00 | ||
| + | #OnCalendar=*-*-* 03:45:00 | ||
| + | #OnCalendar=Sat *-*-* 03:45:00 | ||
| + | #OnCalendar=*-*-1 03:45:00 | ||
| + | #Persistent=true | ||
| - | # atrm 3 | + | Unit=mybackup.service |
| - | # at -c 2 | + | [Install] |
| - | ... | + | WantedBy=timers.target |
| + | </code><code> | ||
| + | # systemctl daemon-reload | ||
| + | |||
| + | # systemctl enable mybackup.timer --now | ||
| + | |||
| + | # journalctl -u mybackup.timer | ||
| + | |||
| + | # journalctl -u mybackup.service | ||
| </code> | </code> | ||
| + | |||
| + | |||
планирование_выполнения_заданий_в_linux.1469186289.txt.gz · Last modified: 2016/07/22 14:18 by val
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