linux 重启监听

#!/bin/bash

# 定义一个函数，用于在系统重启时执行
restart_handler() {
    echo "系统重启时间: $(date)" >> /var/log/restart.log
    # 在这里添加其他需要在重启时执行的操作
}

# 注册重启处理函数
echo "/path/to/this/script restart_handler" > /etc/systemd/system/restart-handler.service
echo "[Unit]" > /etc/systemd/system/restart-handler.service
echo "Description=Restart Handler" >> /etc/systemd/system/restart-handler.service
echo "After=network.target" >> /etc/systemd/system/restart-handler.service
echo "" >> /etc/systemd/system/restart-handler.service
echo "[Service]" >> /etc/systemd/system/restart-handler.service
echo "Type=oneshot" >> /etc/systemd/system/restart-handler.service
echo "ExecStart=/bin/sh -c '/path/to/this/script restart_handler'" >> /etc/systemd/system/restart-handler.service
echo "" >> /etc/systemd/system/restart-handler.service
echo "[Install]" >> /etc/systemd/system/restart-handler.service
echo "WantedBy=multi-user.target" >> /etc/systemd/system/restart-handler.service

# 启用并启动服务
systemctl enable restart-handler.service
systemctl start restart-handler.service