进程守护脚本

• 新建脚本

touch server_agent.ssh

• 编辑脚本

vim server_agent.ssh

#!/bin/bash
    echo "start server"
    while true  
    do
        # 获取 8080 端口的进程号
        pid=$(lsof -i:8079|awk '{print $2}')
        echo ${pid}
        # 如果进程号为空，重启服务
        if [ "${pid}" == "" ] 
            then
            echo "restart..."
            cd /root/go/src/github.com/service/
            setsid ./service
            
            pid=$(lsof -i:8079|awk '{print $2}')
            echo ${pid}
        fi
        
        sleep 5
    done

• 添加可执行权限

chmod 777 server_agent.ssh

• 启动脚本

nohup ./server_agent.ssh &