1.查看Kernel等版本信息============================
hostnamectl
2.配置DNS ===================================
1) 编辑配置文件 vi /etc/resolv.conf
search localhost
nameserver 114.114.114.114
2)重启网络服务systemctl restart network
3
标签：常用,CentOS,配置文件,记录,localhostnameserver,114.114 From： https://www.cnblogs.com/kitesong/p/17263353.html