This page will explain how to renew your DHCP address when using Linux.


Type the following command from the terminal prompt. If you are using a distro other than Ubuntu, make sure that your user account has sudo permissions, otherwise you might have to use su to switch to root before entering the command.

sudo dhclient -r


Internet Systems Consortium DHCP Client V3.0.5
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Listening on LPF/eth0/00:0c:29:3d:6e:71
Sending on   LPF/eth0/00:0c:29:3d:6e:71
Sending on   Socket/fallback

You can restart networking if you are having problems by using the following command:

sudo /etc/init.d/networking restart