编辑文件:
/etc/sysconfig/network-scripts/ifcfg-eth0
重启网卡:
/etc/init.d/network restart
修改主机名称:
hostnamectl set-hostname joker02
退出 重新登陆:
logout
网卡启动不了
Error:Connection activation failed: No suitable device found for this connection
检查网络管理器
service network status
service NetworkManager status
发现NetworkManager是启动的,由于我是手动配置ip的,所以要禁掉这个服务。
关闭方法
centos7:
systemctl stop networkmanager(临时)
systemctl disable networkmanager (永久)