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