标签:步骤 mina 习惯 only prefix ase lock config 配置文件
1. 背景介绍在centos5的时候,我们习惯了eth0这样的网络设备命名,在centos6发现网络设备变成了em1这样的命名,到了CentOS 7版本对网卡的命名规则又进行了重新定义,因此,对于这个命名规则的修改,还是让很多人比较头疼,无法适应这种随机生成的网卡名称,下面就教大家如何将网卡固定修改为eth0,操作步骤也很简单;
[root@192168088102-NFS-Server ~]# cd /etc/sysconfig/network-scripts/
[root@192168088102-NFS-Server network-scripts]# ls
ifcfg-ens33 ifdown-bnep ifdown-ipv6 ifdown-ppp ifdown-Team ifup ifup-eth ifup-isdn ifup-post ifup-sit ifup-tunnel network-functions
ifcfg-lo ifdown-eth ifdown-isdn ifdown-routes ifdown-TeamPort ifup-aliases ifup-ippp ifup-plip ifup-ppp ifup-Team ifup-wireless network-functions-ipv6
ifdown ifdown-ippp ifdown-post ifdown-sit ifdown-tunnel ifup-bnep ifup-ipv6 ifup-plusb ifup-routes ifup-TeamPort init.ipv6-global
[root@192168088102-NFS-Server network-scripts]# cp ifcfg-ens33 ifcfg-ens33.bak
[root@192168088102-NFS-Server network-scripts]# ll ifcfg-ens33*
-rw-r--r--. 1 root root 347 Jul 27 11:41 ifcfg-ens33
-rw-r--r--. 1 root root 347 Jul 27 12:48 ifcfg-ens33.bak
[root@192168088102-NFS-Server network-scripts]# mv ifcfg-ens33 ifcfg-eth0
[root@192168088102-NFS-Server network-scripts]# ll ifcfg-eth0
-rw-r--r--. 1 root root 347 Jul 27 11:41 ifcfg-eth0
[root@192168088102-NFS-Server network-scripts]# cat ifcfg-eth0
TYPE=Ethernet
PROXY_METHOD=none
BROWSER_ONLY=no
BOOTPROTO=static
DEFROUTE=yes
IPV4_FAILURE_FATAL=no
#将ens33改为eth0
NAME=eth0
UUID=7615d0b6-d6c2-46bf-9140-45083e4aed4b
#将ens33改为eth0
DEVICE=eth0
ONBOOT=yes
IPADDR=192.168.88.102
NETMASK=255.255.255.0
GATEWAY=192.168.88.2
[root@192168088102-NFS-Server network-scripts]# cat /etc/sysconfig/grub
GRUB_TIMEOUT=5
GRUB_DISTRIBUTOR="$(sed ‘s, release .*$,,g‘ /etc/system-release)"
GRUB_DEFAULT=saved
GRUB_DISABLE_SUBMENU=true
GRUB_TERMINAL_OUTPUT="console"
GRUB_CMDLINE_LINUX="crashkernel=auto rhgb net.ifnames=0 biosdevname=0 quiet"
GRUB_DISABLE_RECOVERY="true"
[root@192168088102-NFS-Server network-scripts]# grub2-mkconfig -o /boot/grub2/grub.cfg
Generating grub configuration file ...
Found linux image: /boot/vmlinuz-3.10.0-957.el7.x86_64
Found initrd image: /boot/initramfs-3.10.0-957.el7.x86_64.img
Found linux image: /boot/vmlinuz-0-rescue-dc723d2d2d444cf0ae3794ab211366b8
Found initrd image: /boot/initramfs-0-rescue-dc723d2d2d444cf0ae3794ab211366b8.img
done
[root@192168088102-NFS-Server network-scripts]# reboot
[root@192168088102-NFS-Server ~]# ip addr
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000
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 group default qlen 1000
link/ether 00:0c:29:b6:52:ed brd ff:ff:ff:ff:ff:ff
inet 192.168.88.102/24 brd 192.168.88.255 scope global noprefixroute eth0
valid_lft forever preferred_lft forever
inet6 fe80::20c:29ff:feb6:52ed/64 scope link
valid_lft forever preferred_lft forever
标签:步骤 mina 习惯 only prefix ase lock config 配置文件
原文地址:https://blog.51cto.com/14463906/2424156