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I am using ubuntu 14.04 for quite a while and never had this problem. But last time that I updated it, it lost its internet connection. It is a PC and I am just using wired connection. I saw several posts about it, usually they upgraded from another version to 14.04, and the answer didn't help. Thanks

azar
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2 Answers2

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Press ctrl+alt+T and paste in: Code:

sudo gedit /etc/network/interfaces

Remove everything and paste the code given below in the file

Code:

auto lo
iface lo inet loopback

Then Check /etc/NetworkManager/nm-system-settings.conf

Press ctrl+alt+T and paste in:

Code:

sudo gedit /etc/NetworkManager/nm-system-settings.conf

and set file with code shown below

Code:

 [ifupdown]
managed=false

Restart computer or NetworkManager service.

For more info See: Network manager

Hope this solves

GOUTHAM krishna vs
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I followed the same procedure that is mentioned here:

Last upgrade crashes network manager (no internet connection, no applet)

I thought it is not related to my problem because I haven't upgraded my Ubuntu just was doing regular updating. But I tried it and it worked. I downloaded libnl files on another computer and copied them to my system by USB. It was pretty straight forward!

Community
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azar
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