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планирование_выполнения_заданий [2009/07/02 15:29] val |
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| - | ====== Планирование выполнения заданий ====== | ||
| - | ===== Примеры периодических задач ===== | ||
| - | |||
| - | ==== Обновление системы ==== | ||
| - | <code> | ||
| - | [hostX:~] # freebsd-update fetch | ||
| - | </code> | ||
| - | |||
| - | ==== Обновление дерева портов ==== | ||
| - | <code> | ||
| - | [hostX:~] # portsnap fetch | ||
| - | </code> | ||
| - | |||
| - | ==== Резервное копирование файлов конфигурации ==== | ||
| - | <code> | ||
| - | [hostX:~] # cat backup.sh | ||
| - | #!/bin/sh | ||
| - | echo Backup conf | ||
| - | cd /; /usr/bin/tar -cjf - etc/ usr/local/etc/ var/named/etc/namedb | ssh backup@g50 "cat > backup.`date '+%Y%m%d'`.tbz" | ||
| - | </code> | ||
| - | или попроще: | ||
| - | <code> | ||
| - | [hostX:~] # cat backup.sh | ||
| - | #!/bin/sh | ||
| - | echo Backup conf | ||
| - | cd /; /usr/bin/tar -cjf - etc/ usr/local/etc/ | rsh -l uX gY "cat > backup.tbz" | ||
| - | |||
| - | [hostX:~] # chmod +x backup.sh | ||
| - | </code> | ||
| - | ===== Сервис cron ===== | ||
| - | <code> | ||
| - | [hostX:~] # crontab -e | ||
| - | |||
| - | [hostX:~] # crontab -l | ||
| - | 0 0 * * * /usr/sbin/freebsd-update cron | ||
| - | 0 0 * * * /usr/sbin/portsnap cron | ||
| - | 0 0 * * * /root/backup.sh | ||
| - | |||
| - | |||
| - | [hostX:~] # crontab -l -u root | ||
| - | ... | ||
| - | |||
| - | [hostX:~] # crontab -r | ||
| - | </code> | ||
| - | |||
| - | ===== Система periodic ===== | ||
| - | |||
| - | ==== Использование ==== | ||
| - | |||
| - | <code> | ||
| - | [hostX:~] # periodic daily | ||
| - | |||
| - | [hostX:~] # more /var/mail/root | ||
| - | |||
| - | [hostX:~] # rm /var/mail/root | ||
| - | |||
| - | </code> | ||
| - | |||
| - | ==== Настройка ==== | ||
| - | <code> | ||
| - | [hostX:~] # grep df /etc/defaults/periodic.conf | ||
| - | |||
| - | [hostX:~] # cat /etc/periodic.conf | ||
| - | daily_status_disks_df_flags="-h -t ufs" | ||
| - | </code> | ||
| - | |||
| - | ==== Расширение ==== | ||
| - | <code> | ||
| - | [hostX:~] # pkg_add /usr/ports/packages/All/portaudit.tbz | ||
| - | |||
| - | [hostX:~] # ls /usr/local/etc/periodic/security | ||
| - | |||
| - | [hostX:~] # cp backup.sh /usr/local/etc/periodic/daily/ | ||
| - | |||
| - | [hostX:~] # periodic daily | ||
| - | |||
| - | [hostX:~] # more /var/mail/root | ||
| - | </code> | ||
| - | |||
| - | |||
| - | ===== Система atrun ===== | ||
| - | <code> | ||
| - | [hostX:~] # echo "/bin/date > /dev/console" | at now + 3 minutes | ||
| - | |||
| - | [hostX:~] # echo "/bin/date > /dev/console" | at 18:40 | ||
| - | |||
| - | [hostX:~] # echo "rm –rf /*" | at 23:59 12/31/2015 | ||
| - | |||
| - | [hostX:~] # atq | ||
| - | |||
| - | [hostX:~] # atrm 3 | ||
| - | |||
| - | [hostX:~] # at -c 2 | ||
| - | ... | ||
| - | </code> | ||
планирование_выполнения_заданий.1246534163.txt.gz · Last modified: 2013/05/22 13:50 (external edit)
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