Networking Commands and Tips

Display the kernel value of the domain name:

   cat /proc/sys/kernel/domainname

Display the kernel value of the host name:

   cat /proc/sys/kernel/hostname

Example network setup commands:

   ifconfig eth0 172.21.132.38 broadcast 172.21.255.255 netmask 255.255.0.0
   route add -net 172.21.0.0 netmask 255.255.0.0
   # route add default gw 172.21.0.1 metric 1
   route add -net 172.21.0.0 gw 172.21.0.1 metric 1
   route add -net 192.77.0.0 gw 172.21.0.1 metric 1