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LINUX setting ip ifcfg-eth is open, but it can't be set, and what file is this ifcfg-lo? I installed RedHat6. under VM virtual machine.

ifcfg-l is a local loopback interface. Equivalent to 127...1

the first interface of ifcfg-eth local network card

requires the permission of ROOT

the configuration is as follows:

p>vim /etc/sysconfig/....

press a or I to enter editing

p>IPADDR=192.168..1 ...

netmask = 255.255. (mask)

GATEWAY=192.168..254 (gateway)

dns1 = 192.168..254 (DNS)

: wq