linux 创建服务脚本

#!/bin/bash
# /etc/init.d/my_service

case "$1" in
  start)
    echo "Starting my_service..."
    # 启动服务的命令
    ;;
  stop)
    echo "Stopping my_service..."
    # 停止服务的命令
    ;;
  restart)
    $0 stop
    $0 start
    ;;
  *)
    echo "Usage: $0 {start|stop|restart}"
    exit 1
    ;;
esac

exit 0

[Unit]
Description=My Service
After=network.target

[Service]
ExecStart=/usr/bin/my_service_start
ExecStop=/usr/bin/my_service_stop
Restart=always

[Install]
WantedBy=multi-user.target

chmod +x /etc/init.d/my_service  # 赋予脚本执行权限
systemctl daemon-reload  # 重新加载服务脚本

systemctl status my_service.service  # 查看服务状态
journalctl -xe  # 查看系统日志