加入到开机自启动：server

 1.创建一个自定义的服务

sudo vi /etc/systemd/system/custom-shutdown.service

编辑

[Unit]
Description=Custom shutdown service
After=network.target

[Service]
Type=simple
ExecStart=/bin/bash /path/to/your/script.sh

[Install]
WantedBy=multi-user.target
 

重启 

sudo systemctl daemon-reload

启动服务

sudo systemctl enable custom-shutdown.service

如果脚本里有sudo

sudo visudo

yourusername ALL=(ALL) NOPASSWD: /path/to/handle_power_button.sh