RHEL7修改网卡名称
2017-09-22 16:47
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RHEL7修改网卡名称
注:我的是四块网卡。1. 安装好系统后的网卡名称
[root@localhost ~]# ifconfig enp0s3: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500 inet 192.168.0.100 netmask 255.255.255.0 broadcast 192.168.0.255 inet6 fe80::a00:27ff:fe67:bf01 prefixlen 64 scopeid 0x20<link> ether 08:00:27:67:bf:01 txqueuelen 1000 (Ethernet) RX packets 909 bytes 62348 (60.8 KiB) RX errors 0 dropped 0 overruns 0 frame 0 TX packets 62 bytes 9696 (9.4 KiB) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0 enp0s8: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500 ether 08:00:27:12:6f:d1 txqueuelen 1000 (Ethernet) RX packets 842 bytes 52028 (50.8 KiB) RX errors 0 dropped 0 overruns 0 frame 0 TX packets 0 bytes 0 (0.0 B) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0 enp0s9: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500 ether 08:00:27:6c:54:e2 txqueuelen 1000 (Ethernet) RX packets 842 bytes 52028 (50.8 KiB) RX errors 0 dropped 0 overruns 0 frame 0 TX packets 0 bytes 0 (0.0 B) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0 enp0s10: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500 ether 08:00:27:00:27:31 txqueuelen 1000 (Ethernet) RX packets 841 bytes 51968 (50.7 KiB) RX errors 0 dropped 0 overruns 0 frame 0 TX packets 0 bytes 0 (0.0 B) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0 lo: flags=73<UP,LOOPBACK,RUNNING> mtu 65536 inet 127.0.0.1 netmask 255.0.0.0 inet6 ::1 prefixlen 128 scopeid 0x10<host> loop txqueuelen 0 (Local Loopback) RX packets 8 bytes 676 (676.0 B) RX errors 0 dropped 0 overruns 0 frame 0 TX packets 8 bytes 676 (676.0 B) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
2. 修改网卡配置文件中的内容
修改配置文件中的NAME和DEVICE原配置:
[root@localhost ~]# cd /etc/sysconfig/network-scripts/ [root@localhost network-scripts]# ls | grep "ifcfg*" ifcfg-enp0s10 ifcfg-enp0s3 ifcfg-enp0s8 ifcfg-enp0s9 ifcfg-lo [root@localhost network-scripts]# cat ifcfg-enp0s3 TYPE=Ethernet BOOTPROTO=static DEFROUTE=yes PEERDNS=yes PEERROUTES=yes NAME=enp0s3 DEVICE=enp0s3 ONBOOT=yes IPADDR=192.168.0.100 NETMASK=255.255.255.0 NETWORK=192.168.0.0 GATEWAY=192.168.0.1
修改后:
[root@localhost network-scripts]# cat ifcfg-enp0s3 TYPE=Ethernet BOOTPROTO=static DEFROUTE=yes PEERDNS=yes PEERROUTES=yes NAME=eth0 DEVICE=eth0 ONBOOT=yes IPADDR=192.168.0.100 NETMASK=255.255.255.0 NETWORK=192.168.0.0 GATEWAY=192.168.0.1
3. 修给网卡配置文件的名称
将ifcfg-enp0s3修改为ifcfg-eth0[root@localhost network-scripts]# ls | grep "ifcfg*" ifcfg-eth0 ifcfg-eth1 ifcfg-eth2 ifcfg-eth3 ifcfg-lo
4. 修改grub配置文件
原配置:[root@localhost network-scripts]# cat /etc/default/grub GRUB_TIMEOUT=5 GRUB_DEFAULT=saved GRUB_DISABLE_SUBMENU=true GRUB_TERMINAL_OUTPUT="console" GRUB_CMDLINE_LINUX="crashkernel=auto rhgb quiet" GRUB_DISABLE_RECOVERY="true"
修改后:
[root@localhost network-scripts]# cat /etc/default/grub GRUB_TIMEOUT=5 GRUB_DEFAULT=saved GRUB_DISABLE_SUBMENU=true GRUB_TERMINAL_OUTPUT="console" GRUB_CMDLINE_LINUX="crashkernel=auto rhgb quiet net.ifnames=0 biosdevname=0" GRUB_DISABLE_RECOVERY="true"
5. 重新生成grub配置文件
[root@localhost network-scripts]# grub2-mkconfig -o /boot/grub2/grub.cfg Generating grub configuration file ... Found linux image: /boot/vmlinuz-3.10.0-229.el7.x86_64 Found initrd image: /boot/initramfs-3.10.0-229.el7.x86_64.img Found linux image: /boot/vmlinuz-0-rescue-9e413466ccc049119140331b9927a8fb Found initrd image: /boot/initramfs-0-rescue-9e413466ccc049119140331b9927a8fb.img done
6. 添加udev规则
在/etc/udev/rules.d/70-persistent-ipoib.rules文件最后添加SUBSYSTEM=="net",ACTION=="add",DRIVERS=="?*",ATTR{address}=="MAC地址",ATTR{type}=="1",KERNEL=="eth*",NAME="eth0"
7. 重启系统
[root@localhost ~]# reboot
8. 修改完成
[root@localhost ~]# ifconfig eth0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500 inet 192.168.0.100 netmask 255.255.255.0 broadcast 192.168.0.255 inet6 fe80::a00:27ff:fe67:bf01 prefixlen 64 scopeid 0x20<link> ether 08:00:27:67:bf:01 txqueuelen 1000 (Ethernet) RX packets 1979 bytes 127754 (124.7 KiB) RX errors 0 dropped 0 overruns 0 frame 0 TX packets 48 bytes 6045 (5.9 KiB) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0 eth1: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500 inet6 fe80::a00:27ff:fe12:6fd1 prefixlen 64 scopeid 0x20<link> ether 08:00:27:12:6f:d1 txqueuelen 1000 (Ethernet) RX packets 1910 bytes 119785 (116.9 KiB) RX errors 0 dropped 0 overruns 0 frame 0 TX packets 18 bytes 1416 (1.3 KiB) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0 eth2: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500 inet6 fe80::a00:27ff:fe6c:54e2 prefixlen 64 scopeid 0x20<link> ether 08:00:27:6c:54:e2 txqueuelen 1000 (Ethernet) RX packets 1925 bytes 120653 (117.8 KiB) RX errors 0 dropped 0 overruns 0 frame 0 TX packets 18 bytes 1416 (1.3 KiB) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0 eth3: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500 inet6 fe80::a00:27ff:fe00:2731 prefixlen 64 scopeid 0x20<link> ether 08:00:27:00:27:31 txqueuelen 1000 (Ethernet) RX packets 2016 bytes 126113 (123.1 KiB) RX errors 0 dropped 0 overruns 0 frame 0 TX packets 18 bytes 1416 (1.3 KiB) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0 lo: flags=73<UP,LOOPBACK,RUNNING> mtu 65536 inet 127.0.0.1 netmask 255.0.0.0 inet6 ::1 prefixlen 128 scopeid 0x10<host> loop txqueuelen 0 (Local Loopback) RX packets 48 bytes 4076 (3.9 KiB) RX errors 0 dropped 0 overruns 0 frame 0 TX packets 48 bytes 4076 (3.9 KiB) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
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