VMware下CentOS7安裝後,還原虛擬網絡後,敲ifconfig不顯示局域網ip解決方法

  VMware下CentOS7安裝後,還原虛擬網絡後,敲ifconfig不顯示局域網ip,沒有出現eth0網卡,不能上網,SSH不能鏈接,輸入ifconfig後以下圖:linux

  

  解決方法:ios

  1.編輯網卡的配置文件 vi /etc/sysconfig/network-scripts/ifcfg-ens33 將裏面的NAME和DEVICE項修改成eth0(有的會出現文本里面沒有IPADDR,NETMASK,GATEWAY,DNS的狀況,本身補上)網絡

 1 [root@localhost ~]# vi /etc/sysconfig/network-scripts/ifcfg-ens33
 2 TYPE=Ethernet
 3 BOOTPROTO=static
 4 IPADDR=192.168.6.7
 5 NETMASK=255.255.255.0
 6 GATEWAY=192.168.6.1
 7 DNS1=8.8.8.8
 8 DNS2=114.114.114.114
 9 DEFROUTE=yes
10 PEERDNS=yes
11 PEERROUTES=yes
12 IPV4_FAILURE_FATAL=no
13 IPV6INIT=yes
14 IPV6_AUTOCONF=yes
15 IPV6_DEFROUTE=yes
16 IPV6_PEERDNS=yes
17 IPV6_PEERROUTES=yes
18 IPV6_FAILURE_FATAL=no
19 IPV6_ADDR_GEN_MODE=stable-privacy
20 NAME=eth0
21 UUID=972a1eb3-049f-4db2-80f5-7d8fd28ef76f
22 DEVICE=eth0
23 ONBOOT=yes

  2.重命名網卡配置文件ifcfg-ens33爲ifcfg-eth0ui

1 [root@localhost ~]# cd /etc/sysconfig/network-scripts/
2 [root@localhost network-scripts]# mv ifcfg-ens33 ifcfg-eth0

  3.編輯/etc/default/grub並加入「net.ifnames=0 biosdevname=0 」到GRUBCMDLINELINUX變量spa

1 [root@localhost network-scripts]# vi /etc/default/grub
2 
3 GRUB_TIMEOUT=5
4 GRUB_DISTRIBUTOR="$(sed 's, release .*$,,g' /etc/system-release)"
5 GRUB_DEFAULT=saved
6 GRUB_DISABLE_SUBMENU=true
7 GRUB_TERMINAL_OUTPUT="console"
8 GRUB_CMDLINE_LINUX="crashkernel=auto net.ifnames=0 biosdevname=0 rhgb quiet"
9 GRUB_DISABLE_RECOVERY="true"   

  4.運行命令grub2-mkconfig -o /boot/grub2/grub.cfg 來從新生成GRUB配置並更新內核參數。code

1 [root@localhost network-scripts]# grub2-mkconfig -o /boot/grub2/grub.cfg
2 Generating grub configuration file ...
3 Found linux image: /boot/vmlinuz-3.10.0-514.el7.x86_64
4 Found initrd image: /boot/initramfs-3.10.0-514.el7.x86_64.img
5 Found linux image: /boot/vmlinuz-0-rescue-b7f83ca165964a47b8b283907b126140
6 Found initrd image: /boot/initramfs-0-rescue-b7f83ca165964a47b8b283907b126140.img
7 done

  5.重啓系統blog

1 [root@localhost network-scripts]# reboot

  6.輸入ifconfig驗證ip

   7.SSH鏈接驗證it

 

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