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управление_сервисами_в_linux [2017/12/05 07:30] val [Система загрузки OpenRC] |
управление_сервисами_в_linux [2021/10/29 14:31] val [Управление лимитами Systemd] |
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* [[Сигналы]] | * [[Сигналы]] | ||
+ | |||
+ | ===== Определение системы загрузки ===== | ||
+ | <code> | ||
+ | $ ps -p 1 | ||
+ | </code> | ||
===== Система загрузки rc.local ===== | ===== Система загрузки rc.local ===== | ||
Line 29: | Line 34: | ||
# cat /etc/rc.local | # cat /etc/rc.local | ||
</code><code> | </code><code> | ||
- | ... | + | #!/bin/sh |
/usr/bin/ssh -N -R 200X:localhost:22 userX@gate.isp.un & | /usr/bin/ssh -N -R 200X:localhost:22 userX@gate.isp.un & | ||
exit 0 | exit 0 | ||
+ | </code><code> | ||
+ | chmod +x /etc/rc.local | ||
</code> | </code> | ||
+ | |||
===== Система загрузки SysV ===== | ===== Система загрузки SysV ===== | ||
Line 119: | Line 128: | ||
# chkconfig --list | # chkconfig --list | ||
- | # chkconfig --del sshd | + | # chkconfig --add sshvpn |
- | # chkconfig --list sshd | + | # chkconfig --list sshvpn |
- | # chkconfig --add sshd | + | # chkconfig --del sshvpn |
- | + | </code> | |
- | + | ==== Управление ресурсами ==== | |
- | # chkconfig sshd on | + | <code> |
- | + | # cat /etc/init.d/asterisk | |
- | # chkconfig sshd off | + | </code><code> |
- | + | ... | |
- | + | MAXFILES=65536 | |
- | # chkconfig --level 2 sshd on | + | ... |
- | + | ||
- | # chkconfig --level 35 sshd on | + | |
</code> | </code> | ||
- | |||
===== Система загрузки Systemd ===== | ===== Система загрузки Systemd ===== | ||
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* [[https://habrahabr.ru/company/centosadmin/blog/255845/|Systemd за пять минут]] | * [[https://habrahabr.ru/company/centosadmin/blog/255845/|Systemd за пять минут]] | ||
* [[https://wiki.archlinux.org/index.php/systemd|systemd]] | * [[https://wiki.archlinux.org/index.php/systemd|systemd]] | ||
+ | |||
+ | ==== Управление юнитами Systemd ===== | ||
<code> | <code> | ||
$ systemctl -a | $ systemctl -a | ||
- | $ systemctl list-unit-files | + | $ systemctl list-units |
centos# find /usr/lib/systemd/system/ | centos# find /usr/lib/systemd/system/ | ||
debian# find /lib/systemd/system/ | debian# find /lib/systemd/system/ | ||
+ | |||
+ | # find /etc/default/ | ||
$ systemctl status ssh | $ systemctl status ssh | ||
Line 181: | Line 191: | ||
</code> | </code> | ||
+ | ==== Управление лимитами через Systemd ===== | ||
+ | |||
+ | <code> | ||
+ | # systemctl edit nginx | ||
+ | </code><code> | ||
+ | [Service] | ||
+ | LimitNOFILE=65536 | ||
+ | LimitNOFILESoft=65536 | ||
+ | </code><code> | ||
+ | # systemctl daemon-reload | ||
+ | |||
+ | # systemctl restart nginx | ||
+ | |||
+ | # systemctl status nginx | ||
+ | |||
+ | # cat /proc/NNNNN/limits | ||
+ | </code> | ||
===== Система загрузки OpenRC ===== | ===== Система загрузки OpenRC ===== | ||
<code> | <code> | ||
- | # rc-service sshd start | + | # ls /etc/init.d/ |
+ | # /etc/init.d/sshd status|start|stop | ||
+ | |||
+ | # rc-service sshd status|start|stop | ||
+ | |||
+ | # rc-update add|del sshd default | ||
+ | |||
+ | # rc-update show | ||
- | # rc-update add sshd default | + | # openrc |
</code> | </code> | ||