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планирование_выполнения_заданий
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планирование_выполнения_заданий [2009/03/11 12:48] val |
планирование_выполнения_заданий [2009/05/23 08:36] val |
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| ====== Планирование выполнения заданий ====== | ====== Планирование выполнения заданий ====== | ||
| + | ===== Примеры периодических задач ===== | ||
| - | ===== Сервис cron ===== | + | ==== Обновление системы ==== |
| + | <code> | ||
| + | [gX:~] # freebsd-update fetch | ||
| + | </code> | ||
| + | ==== Обновление дерева портов ==== | ||
| + | <code> | ||
| + | [gX:~] # portsnap fetch | ||
| + | </code> | ||
| + | |||
| + | ==== Резервное копирование файлов конфигурации ==== | ||
| + | <code> | ||
| + | [gX:~] # 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> | ||
| + | [gX:~] # cat backup.sh | ||
| + | #!/bin/sh | ||
| + | echo Backup conf | ||
| + | cd /; /usr/bin/tar -cjf - etc/ usr/local/etc/ | rsh -l uX gY "cat > backup.tbz" | ||
| + | |||
| + | [gX:~] # chmod +x backup.sh | ||
| + | </code> | ||
| + | ===== Сервис cron ===== | ||
| <code> | <code> | ||
| [gX:~] # crontab -e | [gX:~] # crontab -e | ||
| - | LANG=ru_RU.KOI8-R | ||
| - | * * * * * /bin/date > /dev/console | ||
| [gX:~] # crontab -l | [gX:~] # crontab -l | ||
| + | HTTP_PROXY=http://g50 | ||
| + | 0 0 * * * /usr/sbin/freebsd-update cron | ||
| + | 0 0 * * * /usr/sbin/portsnap cron | ||
| + | 0 0 * * * /root/backup.sh | ||
| + | |||
| + | |||
| + | [gX:~] # crontab -l -u root | ||
| + | ... | ||
| [gX:~] # crontab -r | [gX:~] # crontab -r | ||
| Line 39: | Line 71: | ||
| [gX:~] # ls /usr/local/etc/periodic/security | [gX:~] # ls /usr/local/etc/periodic/security | ||
| + | |||
| + | [gX:~] # cp backup.sh /usr/local/etc/periodic/daily/ | ||
| [gX:~] # periodic daily | [gX:~] # periodic daily | ||
| Line 44: | Line 78: | ||
| [gX:~] # more /var/mail/root | [gX:~] # more /var/mail/root | ||
| </code> | </code> | ||
| - | ===== Система at ===== | + | |
| + | |||
| + | ===== Система atrun ===== | ||
| <code> | <code> | ||
| [gX:~] # echo "/bin/date > /dev/console" | at now + 3 minutes | [gX:~] # echo "/bin/date > /dev/console" | at now + 3 minutes | ||
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