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планирование_выполнения_заданий
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планирование_выполнения_заданий [2009/03/19 12:12] val |
планирование_выполнения_заданий [2011/02/21 17:39] val removed |
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| ====== Планирование выполнения заданий ====== | ====== Планирование выполнения заданий ====== | ||
| - | ===== Сервис cron ===== | + | ===== Примеры периодических задач ===== |
| + | ==== Ротация файлов регистрации ==== | ||
| <code> | <code> | ||
| - | [gX:~] # crontab -e | + | # cat /etc/newsyslog.conf |
| - | HTTP_PROXY=http://g50 | + | </code><code> |
| + | ... | ||
| + | /var/log/clamd.log 600 7 10 * J | ||
| + | /var/log/httpd-access.log 644 10 1000 * JC /var/run/httpd.pid 30 | ||
| + | /var/log/httpd-error.log 644 10 1000 * JC /var/run/httpd.pid 30 | ||
| + | /var/log/httpd-ssl_request.log 644 10 1000 * JC /var/run/httpd.pid 30 | ||
| + | </code><code> | ||
| + | # cat logger.sh | ||
| + | </code><code> | ||
| + | while : | ||
| + | do | ||
| + | logger -t clamd -p local7.info "Message 1" | ||
| + | logger -t clamd -p local7.info "Message 2" | ||
| + | done | ||
| + | </code><code> | ||
| + | # sh logger.sh | ||
| + | ... | ||
| + | <Ctrl>-C | ||
| + | |||
| + | # tail -f /var/log/clamd.log | ||
| + | ... | ||
| + | <Ctrl>-C | ||
| + | |||
| + | # newsyslog | ||
| + | |||
| + | # ls -l /var/log/clamd.log* | ||
| + | </code> | ||
| + | |||
| + | ==== Обновление системы ==== | ||
| + | <code> | ||
| + | # freebsd-update fetch | ||
| + | </code> | ||
| + | |||
| + | ==== Обновление дерева портов ==== | ||
| + | <code> | ||
| + | # portsnap fetch | ||
| + | </code> | ||
| + | |||
| + | ==== Резервное копирование файлов конфигурации ==== | ||
| + | <code> | ||
| + | # cat backup.sh | ||
| + | #!/bin/sh | ||
| + | echo Backup conf | ||
| + | cd /; /usr/bin/tar -cjf - etc/ usr/local/etc/ var/named/etc/namedb | ssh userX@isp "cat > backup.`date '+%Y%m%d'`.tbz" | ||
| + | </code> | ||
| + | или попроще: | ||
| + | <code> | ||
| + | # cat backup.sh | ||
| + | #!/bin/sh | ||
| + | echo Backup conf | ||
| + | cd /; /usr/bin/tar -cjf - etc/ usr/local/etc/ | rsh -l userX isp "cat > backup.tbz" | ||
| + | |||
| + | # chmod +x backup.sh | ||
| + | </code> | ||
| + | ===== Сервис cron ===== | ||
| + | <code> | ||
| + | # cat /etc/crontab | ||
| + | ... | ||
| + | |||
| + | # crontab -e | ||
| + | |||
| + | # crontab -l | ||
| 0 0 * * * /usr/sbin/freebsd-update cron | 0 0 * * * /usr/sbin/freebsd-update cron | ||
| + | 0 0 * * * /usr/sbin/portsnap cron | ||
| + | 0 0 * * * /root/backup.sh | ||
| - | [gX:~] # crontab -l | ||
| - | [gX:~] # crontab -l -u root | ||
| - | [gX:~] # crontab -r | + | # crontab -l -u root |
| + | ... | ||
| + | |||
| + | # crontab -r | ||
| </code> | </code> | ||
| Line 19: | Line 84: | ||
| <code> | <code> | ||
| - | [gX:~] # periodic daily | + | # periodic daily |
| - | [gX:~] # more /var/mail/root | + | # more /var/mail/root |
| - | + | ||
| - | [gX:~] # rm /var/mail/root | + | |
| + | # rm /var/mail/root | ||
| </code> | </code> | ||
| ==== Настройка ==== | ==== Настройка ==== | ||
| <code> | <code> | ||
| - | [gX:~] # grep df /etc/defaults/periodic.conf | + | # grep df /etc/defaults/periodic.conf |
| - | [gX:~] # cat /etc/periodic.conf | + | # cat /etc/periodic.conf |
| daily_status_disks_df_flags="-h -t ufs" | daily_status_disks_df_flags="-h -t ufs" | ||
| </code> | </code> | ||
| Line 37: | Line 101: | ||
| ==== Расширение ==== | ==== Расширение ==== | ||
| <code> | <code> | ||
| - | [gX:~] # pkg_add /usr/ports/packages/All/portaudit.tbz | + | # pkg_add /usr/ports/packages/All/portaudit.tbz |
| - | [gX:~] # ls /usr/local/etc/periodic/security | + | # ls /usr/local/etc/periodic/security |
| - | [gX:~] # periodic daily | + | # cp backup.sh /usr/local/etc/periodic/daily/ |
| - | [gX:~] # more /var/mail/root | + | # periodic daily |
| + | |||
| + | # more /var/mail/root | ||
| </code> | </code> | ||
| - | ===== Система at ===== | + | |
| + | |||
| + | ===== Система atrun ===== | ||
| <code> | <code> | ||
| - | [gX:~] # echo "/bin/date > /dev/console" | at now + 3 minutes | + | # echo "/bin/date > /dev/console" | at now + 3 minutes |
| - | [gX:~] # echo "/bin/date > /dev/console" | at 18:40 | + | # echo "/bin/date > /dev/console" | at 18:40 |
| - | [gX:~] # echo "rm –rf /*" | at 23:59 12/31/2015 | + | # echo "rm –rf /*" | at 23:59 12/31/2015 |
| - | [gX:~] # atq | + | # atq |
| - | [gX:~] # atrm 3 | + | # atrm 3 |
| - | [gX:~] # at -c 2 | + | # at -c 2 |
| ... | ... | ||
| </code> | </code> | ||
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