Forum Thread

i broke my internet on ubuntu, by messing with the ipv4 settings, how do I fix it?

br1ckhouse 339 50 November 23, 2015 at 09:33 AM
I was trying to set up FOG to communicate with a router and set my ipv4 manually. That, of course, prevented my internet to work on it but when I set the settings back to automatic, the internet still didn't work.

I'm not that knowledgeable with networking or linux, can someone help me out with what might be wrong?

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#2
Do you have directions you used to setup FOG? If so please link to them. Telling us the make and model of your equipment would be helpful too.

Can you login to your router and see the settings?
Is it only this machine that your having trouble with or do all the devices you have on that network?
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#3
Quote from LiquidRetro View Post :
Do you have directions you used to setup FOG? If so please link to them. Telling us the make and model of your equipment would be helpful too.

Can you login to your router and see the settings?
Is it only this machine that your having trouble with or do all the devices you have on that network?
I don't think it has anything to do with the router (the router was used for a local area network that wasn't part of our network that the internet is coming through) or FOG as internet was working fine after FOG was installed. It was after I tried to assign a static ip setting on the machine and then tried to change it back to automatic.

It's just this machine that's having the problem, which is an lenovo idea centre. If you really need it, I can get you model number and specs but I don't see how that would fit into this situation.

I think it's more about me not knowing how to get the machine to acquire the internet through automatic ip configuration on ubuntu. I simply changed the setting back to automatic and that didn't work.
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#4
what are you using to control the IP? NetworkManager? WICD? Connman? Something within ubuntu? What does 'ip addr' say?

Code:
# ip addr
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#5
Quote from vivahate View Post :
what are you using to control the IP? NetworkManager? WICD? Connman? Something within ubuntu? What does 'ip addr' say?
Code:# ip addr
sorry if i'm not providing the best info, I'm new to using ubuntu. I'm controlling the ip setting through ubuntu (clicking the network menu on the top right of the OS gui and then going into settings.)

is # ip addr what you want me to run in terminal?
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#6
Hope that FOG server is going well br1ckhouse!

DNS Maybe? Try opening terminal and pinging 8.8.8.8

If it goes through, check your DNS settings, make sure they are set back to DHCP.
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#7
Are you trying to run 2 DHCP servers on the same subnet (one on the FOG server and one on your router)?
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#8
Quote from br1ckhouse View Post :
is # ip addr what you want me to run in terminal?
Yes sir - I'm also assuming you're using private IPs. If not, you might want to obfuscate anything that would identify yourself.

Can you ping the router (also from a terminal)?
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