CentOS Virtual Machine Network configuration

Modify IP

Vi/etc/sysconfig/network-scripts/ifcfg-eth0

Onboot=yes

Bootproto=dhcp

Service Network restart

Virtual opportunity automatically acquires an IP address after reboot

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Example: the IP address after ifconfig is 192.168.31.132

Inner-layer Routing 192.168.31.2

Outer Route 192.168.1.1

Ping www.baidu.com cannot ping if the internal and external routing can ping

Need to set up DNS

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Modify DNS vi/etc/resolv.conf

Modify NameServer

; Generated By/sbin/dhclient-script

Search Node1

NameServer 192.168.31.2

The first two lines can not only configure NameServer

Modify Host Name

Vi/etc/sysconfig/network

Modify the host name that hostname defines for itself

Reboot INIT 6 hostname configuration Complete

Set MAC Address

Delete HWADDR

Remove UUID

Rm-rf/etc/udev/rules.d/70-persistent-net.rules

Restarting Init 6

CentOS Virtual Machine Network configuration