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управление_сервисами_в_linux
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управление_сервисами_в_linux [2017/11/14 08:20] val |
управление_сервисами_в_linux [2025/04/18 15:37] (current) val [Управление юнитами 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 61000+X:localhost:22 -o ServerAliveInterval=60 -o ExitOnForwardFailure=yes userX@gate.isp.un & | ||
| exit 0 | exit 0 | ||
| + | </code><code> | ||
| + | chmod +x /etc/rc.local | ||
| </code> | </code> | ||
| + | |||
| ===== Система загрузки SysV ===== | ===== Система загрузки SysV ===== | ||
| Line 75: | Line 84: | ||
| then | then | ||
| echo Starting sshvpn... | echo Starting sshvpn... | ||
| - | /usr/bin/ssh -N -R 200X:localhost:22 userX@gate.isp.un & | + | /usr/bin/ssh -N -R 61000+X:localhost:22 -o ServerAliveInterval=60 -o ExitOnForwardFailure=yes userX@gate.isp.un & |
| echo $! > /var/run/sshvpn.pid | echo $! > /var/run/sshvpn.pid | ||
| elif [ "$1" = stop ] | elif [ "$1" = stop ] | ||
| Line 119: | Line 128: | ||
| # chkconfig --list | # chkconfig --list | ||
| - | # chkconfig --del sshd | + | # chkconfig --add sshvpn |
| - | # chkconfig --list sshd | + | # chkconfig --list sshvpn |
| - | # chkconfig --add sshd | + | # chkconfig sshvpn on |
| + | # #chkconfig sshvpn off | ||
| - | # chkconfig sshd on | + | # #chkconfig --del sshvpn |
| - | + | </code> | |
| - | # chkconfig sshd off | + | ==== Управление ресурсами ==== |
| - | + | <code> | |
| - | + | # cat /etc/init.d/asterisk | |
| - | # chkconfig --level 2 sshd on | + | </code><code> |
| - | + | ... | |
| - | # chkconfig --level 35 sshd on | + | MAXFILES=65536 |
| + | ... | ||
| </code> | </code> | ||
| - | |||
| ===== Система загрузки Systemd ===== | ===== Система загрузки Systemd ===== | ||
| Line 142: | Line 152: | ||
| * [[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 ===== | ||
| + | |||
| + | * [[https://docs.gitea.io/en-us/linux-service/|Run Gitea as Linux service]] | ||
| + | * Сервис SNORT [[Сервис SNORT#Копирование alert_unified2 в syslog]] | ||
| <code> | <code> | ||
| $ systemctl -a | $ systemctl -a | ||
| + | $ systemctl list-units | ||
| + | $ systemctl --failed | ||
| + | $ systemctl reset-failed | ||
| + | |||
| + | centos# find /usr/lib/systemd/system/ | ||
| + | debian# find /lib/systemd/system/ | ||
| - | centos# ls /usr/lib/systemd/system/ | + | # find /etc/default/ |
| - | debian# ls /lib/systemd/system/ | + | |
| $ systemctl status ssh | $ systemctl status ssh | ||
| Line 163: | Line 183: | ||
| Description=ssh client vpn daemon | Description=ssh client vpn daemon | ||
| After=network.target | After=network.target | ||
| + | #StartLimitIntervalSec=60 | ||
| + | #StartLimitBurst=3 | ||
| [Service] | [Service] | ||
| - | ExecStart=/usr/bin/ssh -N -R 200X:localhost:22 userX@gate.isp.un | + | ExecStart=/usr/bin/ssh -N -R 61000+X:localhost:22 -o ServerAliveInterval=5 -o ServerAliveCountMax=1 -o ExitOnForwardFailure=yes userX@gate.isp.un |
| + | ###ExecStart=/usr/bin/java -jar /home/jenkins/agent.jar -url http://server.corp13.un:8081/ -secret NNNNNNNNNNNNNNNNNNNN -name gate -workDir "/home/jenkins/" | ||
| + | ###User=jenkins | ||
| KillMode=process | KillMode=process | ||
| - | Restart=on-failure | + | Restart=always |
| - | RestartSec=42s | + | RestartSec=5s |
| [Install] | [Install] | ||
| Line 175: | Line 199: | ||
| # systemctl status sshvpn | # systemctl status sshvpn | ||
| - | # systemctl enable sshvpn | + | # systemctl enable sshvpn --now |
| - | # systemctl start sshvpn | + | # ###systemctl start sshvpn |
| </code> | </code> | ||
| + | ==== Настройка параметров запуска в Systemd ===== | ||
| + | |||
| + | <code> | ||
| + | # systemctl edit имясервиса | ||
| + | </code><code> | ||
| + | [Service] | ||
| + | LimitNOFILE=65536 # nginx, squid | ||
| + | TimeoutStartSec=180 # elasticsearch | ||
| + | </code><code> | ||
| + | # systemctl daemon-reload # не очевидно, что нужно | ||
| + | |||
| + | # systemctl show имясервиса | ||
| + | |||
| + | # systemctl restart имясервиса | ||
| + | |||
| + | # systemctl status имясервиса | ||
| + | |||
| + | # cat /proc/NNNNN/limits | ||
| + | </code> | ||
| ===== Система загрузки OpenRC ===== | ===== Система загрузки OpenRC ===== | ||
| + | <code> | ||
| + | # 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 | ||
| + | |||
| + | # openrc | ||
| + | </code> | ||
| ===== Система загрузки Upstart ===== | ===== Система загрузки Upstart ===== | ||
управление_сервисами_в_linux.1510636843.txt.gz · Last modified: 2017/11/14 08:20 by val
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