centos 6.7mnimal是centos提供的最小安装盘, 其网卡默认不启动
1.修改配置文件: /etc/sysconfig/network-script/ifcfg-eth0为ONBOOT=yes和NM_CONTROLLED=no
2.重启网卡: service network restart
centos 7.1mnimal是centos提供的最小安装盘, 其网卡默认不启动
1.修改配置文件: /etc/sysconfig/network-script/ifcfg-nep0s3为ONBOOT=yes
2.重启网卡: service network restart
3.安装网络管理工具: yum install net-tools