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планирование_выполнения_заданий_в_linux [2011/02/24 10:27] val |
планирование_выполнения_заданий_в_linux [2016/07/22 14:18] val [Сервис cron] |
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====== Планирование выполнения заданий в Linux ====== | ====== Планирование выполнения заданий в Linux ====== | ||
- | |||
- | [[https://help.ubuntu.com/community/CronHowto]] | ||
===== Примеры периодических задач ===== | ===== Примеры периодических задач ===== | ||
- | ==== Ротация файлов регистрации (logrotate) ==== | + | * [[Сервис ротации журналов]] |
+ | * [[Сервис Clamav#Журнал]] сервиса Clamav | ||
+ | * [[Управление ПО в Linux]] (обновление) | ||
+ | * [[Резервное копирование]] | ||
+ | ===== Сервис cron ===== | ||
- | === Глобальная настройка logrotate === | + | * [[http://ru.wikipedia.org/wiki/Cron]] |
- | <code> | + | * [[https://help.ubuntu.com/community/CronHowto]] |
- | # cat /etc/logrotate.conf | + | |
- | ... | + | |
- | include /etc/logrotate.d | + | |
- | ... | + | |
- | </code> | + | |
- | === Настройка logrotate для сервиса clamd по умолчанию === | ||
- | <code> | ||
- | # cat /etc/logrotate.d/clamav-daemon | ||
- | </code><code> | ||
- | /var/log/clamav/clamav.log { | ||
- | rotate 12 | ||
- | weekly | ||
- | compress | ||
- | delaycompress | ||
- | create 640 clamav adm | ||
- | postrotate | ||
- | /etc/init.d/clamav-daemon reload-log > /dev/null | ||
- | endscript | ||
- | } | ||
- | </code><code> | ||
- | # cat /etc/init.d/clamav-daemon | ||
- | </code><code> | ||
- | ... | ||
- | . /lib/lsb/init-functions | ||
- | ... | ||
- | [ -n "$THEPIDFILE" ] || THEPIDFILE='/var/run/clamav/clamd.pid' | ||
- | ... | ||
- | CLAMDPID=`pidofproc -p $THEPIDFILE $DAEMON` | ||
- | ... | ||
- | reload-log) | ||
- | OPTIND=1 | ||
- | log_daemon_msg "Reloading log file for $DESC" "$NAME" | ||
- | if [ "$RUNNING" = 0 ] && [ -n "$CLAMDPID" ]; then | ||
- | kill -HUP $CLAMDPID | ||
- | fi | ||
- | ... | ||
- | </code> | ||
- | |||
- | === Настройка logrotate для для архивирования лог сообщений поступающих из сети === | ||
- | <code> | ||
- | # cat /etc/logrotate.d/cisco | ||
- | </code><code> | ||
- | /var/log/cisco.log { | ||
- | rotate 5 | ||
- | size 100k | ||
- | compress | ||
- | create 640 syslog adm | ||
- | postrotate | ||
- | reload rsyslog >/dev/null 2>&1 || true | ||
- | endscript | ||
- | } | ||
- | </code><code> | ||
- | # cat cisco_log_gen.sh | ||
- | </code><code> | ||
- | while : | ||
- | do | ||
- | logger -t cisco -p local0.info "Message 1" | ||
- | logger -t cisco -p local0.info "Message 2" | ||
- | done | ||
- | </code><code> | ||
- | # sh cisco_log_gen.sh | ||
- | ... | ||
- | <Ctrl>-C | ||
- | |||
- | # tail -f /var/log/cisco.log | ||
- | ... | ||
- | <Ctrl>-C | ||
- | |||
- | # logrotate /etc/logrotate.conf | ||
- | |||
- | # ls -l /var/log/cisco.log* | ||
- | </code> | ||
- | |||
- | ==== Обновление системы ==== | ||
- | |||
- | [[https://help.ubuntu.com/community/AutoWeeklyUpdateHowTo]] | ||
- | |||
- | ==== Резервное копирование ==== | ||
- | |||
- | [[Резервное копирование и восстановление]] | ||
- | |||
- | ===== Сервис cron ===== | ||
<code> | <code> | ||
# crontab -e | # crontab -e | ||
Line 97: | Line 17: | ||
# crontab -l | # crontab -l | ||
# m h dom mon dow command | # m h dom mon dow command | ||
- | */5 * * * * /root/backup_conf.sh | + | */5 * * * * /etc/backup.sh |
# crontab -r | # crontab -r | ||
Line 114: | Line 34: | ||
===== Система anacron ===== | ===== Система anacron ===== | ||
+ | <code> | ||
# cat /etc/crontab | # cat /etc/crontab | ||
Line 127: | Line 47: | ||
# ls /var/spool/anacron | # ls /var/spool/anacron | ||
+ | </code> | ||
===== Система atrun ===== | ===== Система atrun ===== | ||
- | |||
<code> | <code> | ||
+ | # ls /etc/init/atd.conf | ||
+ | |||
# echo "Hello from at > `tty`" | at now + 3 minutes | # echo "Hello from at > `tty`" | at now + 3 minutes | ||
+ | |||
+ | # echo "killall proftpd" | at now + 2 days | ||
# echo "Hello from at > `tty`" | at 18:40 | # echo "Hello from at > `tty`" | at 18:40 |