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