How do you release the ip number on Linux?

In windows you start/run/cmd
ipconfig /release

Surely it isn't ifconfig /release from the terminal?

And if you could guide me to a very simple guide on how to install packages such as errr tar.gzw or rpm I would be most appreciative. Not that there is much need to install a antivirus program on Linux?

Where's the free programs at? Kids want games, I want the rest and all to secure this OS as windows constantly is attacked and taken down no matter how secure microsoft claims nor the claims of firewall/antivirus companies regarding their constantly updated and faulty windows programs.

Free programs? Well that depends on your distribution.... Debian-based has apt, Gentoo has portage, etc.

Also, check out freshmeat.net and sourceforge.org for HUGE repositories of (mostly) free software.

As for DHCP releasing of ips, if you use 'dhcpcd' (many modern distributions do), then you can release the IP by running 'dhcpcd -k' which both shuts down dhcpcd and sends DHCP_RELEASE to the DHCP server.

Apparenty I should have mentioned Fedora, core 4.

So do I start the terminal and just put
dhcpcd -k
and hit enter?

What displays the current ip # etc. In windows such would be ipconfig or ipconfig /all. depending on which version of windows.

Thank you for replying.

Perhaps I'll have to start a new thread in the proper forum but I understand Linux is able to view and write firmware for hardware. Any FAQ's on this topic?

dhcpcd -k
command not found

dhclient -r
nor
/sbin/service network stop
does it either

Which dhcp client does fedora use? Type 'ps -ef | grep dh' and post the output, please. I don't know about the firmware bit, your best bet is indeed to ask in the hardware forum.

hi ....
To realease your ip address just down your interface card using
$ifconfig eth0 down<ENTER>
To start network again
$ifconfig eth0 up<ENTER>


for installation from soruce follow the link...
http://www.gnulinuxclub.org/index.ph...=146&Itemid=31

This will not send the proper DHCP_RELEASE to the DHCP server, which will not free up the IP for use by another machine, as required by RFC 1541.

You need to execute the command as root... # dhcpcd -k