一、基础环境 1、角色、ip、版本、内核 serverA 192.168.1.30 3.10.0-229.el7.x86_64 CentOS Linux release 7.1.1503 (Core) 二、修改网卡名为eth0 1、备份配置 cp /boot/grub2/grub.cfg /boot/grub2/grub.cfg.bak 2、修改配置 diff /boot/grub2/grub.cfg /boot/grub2/grub.cfg.bak 88c88 < linux16 /vmlinuz-3.10.0-229.el7.x86_64 root=UUID=5120ba17-c4a9-403a-b9df-b2fa09957e14 ro crashkernel=auto rhgb quiet LANG=en_US.UTF-8 net.ifnames=0 biosdevname=0 --- > linux16 /vmlinuz-3.10.0-229.el7.x86_64 root=UUID=5120ba17-c4a9-403a-b9df-b2fa09957e14 ro crashkernel=auto rhgb quiet LANG=en_US.UTF-8 3、改配置名字 mv /etc/sysconfig/network-scripts/ifcfg-eno16777736 /etc/sysconfig/network-scripts/ifcfg-eth0 4、将/etc/sysconfig/network-scripts/ifcfg-eth0里的name修改成eth0 NAME=eth0 5、重启网络服务 /etc/init.d/network restart Restarting network (via systemctl): [ OK ] 6、重启机器 reboot 7、检查验证 ip a 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host valid_lft forever preferred_lft forever 2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP qlen 1000 link/ether 00:0c:29:d2:b2:51 brd ff:ff:ff:ff:ff:ff inet 192.168.1.30/24 brd 192.168.1.255 scope global eth0 valid_lft forever preferred_lft forever inet6 fe80::20c:29ff:fed2:b251/64 scope link valid_lft forever preferred_lft forever
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