renew an IP on Linux Solved

Question

Hello,   I would like to know how to renew an IP address in Linux (I am using Ubuntu)   Thank you very much

red-0ne · Accepted Answer

@pampelline: killall -HUP dhcpcd (killall in lowercase) in your console type: sudo dhclient -r eth0  -if your network card is called eth0, otherwise replace eth0 with the name of your card.  -this command is equivalent to IPCONFIG /RELEASE.  -you enter your password or your root password if one of them is requested. sudo dhclient eth0  -if your network card is called eth0 otherwise replace eth0 with the name of your card.  -this command is equivalent to IPCONFIG /RENEW.  -you enter your password or your root password if one of them is requested.  The commands must be typed in a terminal of course  That's it, I think that's all :)

[Dal] · Answer

Hi son,

"renew an @ ip"

@ = address I suppose (be explicit in your questions), but even with this assumption (which is far from obvious since "@" means "at", as in "at home"), "renewing" an IP address doesn’t mean anything concrete to me.

Can you please clarify your question?

Do you want to change the local IP address assigned to your network card? Or something else?

Dal

[Dal] · Answer

Hi son,

Well, while doing a Google search, Google tells me what the ipconfig command does on XP (which I wasn't familiar with in detail).

I assume that the assignment of IP addresses is dynamic on your end and that you want to reset the network following a change in the DHCP server settings.

For that, it should be enough, unless I’m mistaken, to do a "restart" with the network initialization script.

On a Fedora, it looks like /etc/rc.d/init.d/network restart

or /etc/rc.d/init.d/network stop
and /etc/rc.d/init.d/network start

Maybe your initialization script is elsewhere on your distribution, check this point.

If your IP address allocation is not dynamic, you will need to modify the configuration files related to your network cards used by your startup scripts.

Dal

Arturo · Answer

Well, given how long ago the topic was opened, I imagine you found the answer, but I'm leaving it anyway, just in case...

So, the equivalent of ipconfig /renew under Win
is
sudo dhclient interface (like eth0 for example)

then it asks you for the root password.

There you goààà

pampelline · Answer

Hello, can I have more detailed explanations, because it doesn't tell me where I should type these instructions on my PC? Is it in the terminal? Thanks

xiloa · Answer

yes, in the terminal -- Xiloa core2duo/SUSE11.1 x86_64 // eeePC 701/EEEPCLinuxOS // R40/suse11.0 // X20/lenny

pampelline · Answer

Thank you for your response, but I didn't understand what exactly we were supposed to type?

yesyes · Answer

killall -HUP dhcpcd

pampelline · Answer

bash: Killall: command not found That's what I get when I type the command??

general · Answer

dhcpcd -n for renewal and -k for "release"

Renew an IP on Linux

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