/lib/systemd/system下创建test.service文件
vim /lib/systemd/system/test.service
[Unit]
Description=test
[Service]
Type=forking
PIDFile=/run/test.pid
#EnvironmentFile=/etc/systemd/test.conf
ExecStart=/opt/systemd-sh/test.sh
ExecReload=/bin/kill -SIGHUP $MAINPID
ExecStop=/bin/kill -SIGINT $MAINPID
[Install]
WantedBy=multi-user.target graphical.target
修改配置文件后需要重加载配置
sudo systemctl daemon-reload
创建test.sh
vim /opt/systemd-sh/test.sh
#!/bin/bash echo `date`,"ok" >>/tmp/test.log
赋予可执行权限
chmod +x /opt/systemd-sh/test.sh
设置开机启动
systemctl enable test.service
显示
Created symlink /etc/systemd/system/multi-user.target.wants/test.service → /lib/systemd/system/test.service.
重启
reboot
重启后，看下/tmp/test.log的内容
vim /opt/test.log
systemd集中式日志管理
查看该unit的日志
sudo journalctl -u test.service
sudo journalctl -u test.service --since="2018-11-11 11:11:11"
sudo journalctl -u test.service --since "30 min ago"
sudo journalctl -u test.service --since yesterday
sudo journalctl -u test.service --since "2018-11-10" --until "2018-11-11 11:11"
sudo journalctl -u test.service --since : --until "2 hour ago"