Linux实现开机后，自动执行某条命令/重启某个服务【测试成功】

巴韭特锁螺丝 2023-09-13

一、需求背景

存在某台服务器，设置某服务开机自启后无法生效，故需要在开机后手动执行命令启动，操作比较繁琐，采用自动化脚本方式实现。

二、编写系统启动单元

vim etc/systemd/system/restart-yl.service

[Unit]
Description=YL
After=network.target


[Service]
ExecStart=/bin/systemctl restart YL.service
Type=oneshot
RemainAfterExit=yes


[Install]
WantedBy=multi-user.target

保存文件并退出文本编辑器。

三、重载并使其生效

重新加载systemd配置以使其了解新服务：

systemctl daemon-reload

启用该服务以在启动时运行：

systemctl enable restart-yl.service

[root@localhost ~]# systemctl enable restart-ylmonitor.service
Created symlink etc/systemd/system/multi-user.target.wants/restart-ylmonitor.service → etc/systemd/system/restart-ylmonitor.service.

[root@localhost ~]# systemctl status restart-ylmonitor.service
● restart-ylmonitor.service - YLMonitor
   Loaded: loaded (/etc/systemd/system/restart-ylmonitor.service; enabled; vendor preset: disable>
   Active: inactive (dead)
[root@localhost ~]# systemctl start restart-ylmonitor.service
[root@localhost ~]# systemctl status restart-ylmonitor.service
● restart-ylmonitor.service - YLMonitor
   Loaded: loaded (/etc/systemd/system/restart-ylmonitor.service; enabled; vendor preset: disable>
   Active: active (exited) since Mon 2023-09-11 10:43:31 CST; 2s ago
  Process: 3276910 ExecStart=/bin/systemctl restart YLMonitor.service (code=exited, status=0/SUCC>
 Main PID: 3276910 (code=exited, status=0/SUCCESS)


9月 11 10:43:31 localhost.localdomain systemd[1]: Starting YLMonitor...
9月 11 10:43:31 localhost.localdomain systemd[1]: Started YLMonitor.
[root@localhost ~]# systemctl status YLMonitor
● YLMonitor.service - YLMonitor service
   Loaded: loaded (/etc/systemd/system/YLMonitor.service; enabled; vendor preset: disabled)
   Active: active (running) since Mon 2023-09-11 10:43:31 CST; 32s ago
 Main PID: 3276925 (YLMonitor)
    Tasks: 11 (limit: 201980)
   Memory: 7.6M
   CGroup: /system.slice/YLMonitor.service
           └─3276925 /temp/YLMonitor/YLMonitor -c /temp/YLMonitor/YLMonitor.ini


9月 11 10:43:31 localhost.localdomain systemd[1]: Started YLMonitor service.
9月 11 10:43:31 localhost.localdomain YLMonitor[3276925]: 2023/09/11 10:43:31 [I] [root.go:220] s>
9月 11 10:43:31 localhost.localdomain YLMonitor[3276925]: 2023/09/11 10:43:31 [I] [service.go:301>
9月 11 10:43:31 localhost.localdomain YLMonitor[3276925]: 2023/09/11 10:43:31 [I] [proxy_manager.>
9月 11 10:43:31 localhost.localdomain YLMonitor[3276925]: 2023/09/11 10:43:31 [I] [control.go:172>

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Linux实现开机后，自动执行某条命令/重启某个服务【测试成功】

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