I imagine that there is already a thread for setting up a static IP, but I haven't been able to find it yet, so here we go.

I have recently installed Fedora 15 on my home machine. I have a very simple home network. Belkin wireless router with Window and Linux systems. The router is setup to be DHCP server. Router is setup to have lease time = Forever. Even with this setup, my router is assigning different IP address for my linux machine every time I boot the machine. So I would like to setup a static IP on my Linux.

From my research so far, I'm suppose to make some changes to the file /etc/sysconfig/network-scripts/ifcfg-eth0. But I don't have this file in this folder. Should I just create this file? If yes, what goes in this file?

Thanks for your help

just run "system-config-network" and set things there. that will create the ifcfg file.

example contents:


DEVICE=eth0
ONBOOT=yes
BOOTPROTO=static
IPADDR=10.5.100.20
NETMASK=255.255.255.0

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You also might want to turn off network manager and turn on network service. Use system-config-services to do that or use the following commands.

NetworkManager still seems to create more problems than it fixes for cabled networks

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Thank again acid. system-config-network didn't work the first time (didn't have the "add" option). So I ended up creating it manually. After the manual add, i tried the system-config-network again. I was able to see the newly created config. Strange.