‌将以下脚本保存为 /root/check_port_3800.sh

#!/bin/bash

# 要检测的端口号
PORT=3800

# 检测端口是否启动
if ! netstat -tuln | grep -q ":$PORT"; then
    echo "$(date): Port $PORT is not running. Restarting the service..." >> /var/log/check_port_3800.log
    # 重启服务命令
    nohup /root/gost/gost -L socks5://:3800 & >> /var/log/check_port_3800.log 2>&1
else
    echo "$(date): Port $PORT is running." >> /var/log/check_port_3800.log
fi

‌给脚本文件设置权限

chmod +x /root/check_port_3800.sh

添加定时任务

* * * * * /bin/bash /root/check_port_3800.sh