虛擬機器更改網絡卡名稱
虛擬機器更改網絡卡名稱
VMWare裝的CentOS虛擬機器的自帶網絡卡名有點亂,想重新定義一下。
環境
1、VMWare虛擬機器
2、系統
[[email protected] ~]# cat /etc/redhat-release CentOS Linux release 7.2.1511 (Core)
並且是最小化安裝。
網絡卡資訊
網絡卡配置檔案
配置內容
這裡啟動下網絡卡,獲得IP,好連線shell
systemctl restart networkip addr
預設使用DHCP,都是自動獲取的IP
配置
CentOS7使用了“一致性網路命名方法”,這裡舉例,將網絡卡名截斷為前5個字元,如eno16777736改為eno16。
1、更改網絡卡配置檔名
複製ETH1和2,並把裝置名改了
2、關閉“一致性網路裝置命名法”
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 rd.lvm.lv=centos/root rd.lvm.lv=centos/swap rhgb quiet" GRUB_DISABLE_RECOVERY="true" [[email protected] ~]#
新增net.ifnames=0 biosdevname=0後
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 rd.lvm.lv=centos/root rd.lvm.lv=centos/swap net.ifnames=0 biosdevname=0rhgb quiet" GRUB_DISABLE_RECOVERY="true"
更新GRUB、核心配置
grub2-mkconfig -o /boot/grub2/grub.cfg Generating grub configuration file ... Found linux image: /boot/vmlinuz-3.10.0-327.el7.x86_64 Found initrd image: /boot/initramfs-3.10.0-327.el7.x86_64.img Found linux image: /boot/vmlinuz-0-rescue-f034e6e19df748b7a27fad77b06e3179 Found initrd image: /boot/initramfs-0-rescue-f034e6e19df748b7a27fad77b06e3179.img done
3、新增裝置規則配置檔案
修改/etc/udev/rules.d/70-persistent-net.rules,沒有該檔案則新建檔案
內容如下
cat /etc/udev/rules.d/70-persistent-net.rules
# ACTION=="add", SUBSYSTEM=="net", DRIVERS=="?*", ATTR{type}=="32", ATTR{address}=="?*00:02:c9:03:00:31:78:f2", NAME="mlx4_ib3"
ACTION=="add", SUBSYSTEM=="net", DRIVERS=="?*", ATTR{type}=="1", ATTR{address}=="?*00:02:c9:03:00:31:78:f2", NAME="eth0"
ACTION=="add", SUBSYSTEM=="net", DRIVERS=="?*", ATTR{type}=="1", ATTR{address}=="?*00:02:c9:03:00:31:78:f2", NAME="eth1"
ACTION=="add", SUBSYSTEM=="net", DRIVERS=="?*", ATTR{type}=="1", ATTR{address}=="?*00:02:c9:03:00:31:78:f2", NAME="eth2"
注意MAC地址與NAME相匹配(可以用ip addr檢視)
4、重啟
reboot