查看网络状态:ss -autnlp
查看ip信息:ip addr
查看内核:
cat /etc/centos-release查看hostname:
cat /etc/hostname cat /etc/hosts cat /proc/sys/kernel/hostname hostname hostnamectl设置hostname:
hostnamectl --static set-hostname db171 了解更多设置变量环境:
查看位置在:/etc/profile export PATH="$PATH:/NEW_PATH" systemctl enable *.service #开机运行服务 systemctl disable *.service #取消开机运行 systemctl start *.service #启动服务 systemctl stop *.service #停止服务 systemctl restart *.service #重启服务 systemctl reload *.service #重新加载服务配置文件 systemctl status *.service #查询服务运行状态 systemctl --failed #显示启动失败的服务