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I am not able to establish a wired network connection between two computers on which I just installed Ubuntu 10.04.

I am new to this environment. Unlike in the Windows environment, where it happens by just connecting them with a cable, Ubuntu keeps flashing a notification saying "Wired network disconnected". Am I missing a driver or something?

I am able to connect to the wi-fi router without issue. The wired connection is just not working.

jscott
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Deep
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  • Has the two machines assigned ip addresses of the same range? Say like: 92.168.1.34 and 192.168.1.35. Are you able to ping one from the other? – Ajo Augustine Apr 28 '11 at 13:31
  • Are you using a cross-over cable, or do you have a switch or hub in-between? – Ewan Leith Apr 28 '11 at 13:42
  • Thanks..@Ajo Augustine: after i read your reply i tried to assign static ip addresses to both the systems but got stuck on what should be the DNS server. IP Addresses: 192.168.2.7 and 192.168.2.8; Netmask: 255.255.255.0; Gateway:192.168.2.0; Don't know what should the DNS server be. any suggestion please? @Ewan Leith: I am using a cross-over cable. – Deep Apr 28 '11 at 13:50
  • you don't need a DNS server to connect them. But you can always use some free dns servers (like [google's 8.8.8.8](http://code.google.com/intl/es-ES/speed/public-dns/)) – pconcepcion Apr 28 '11 at 13:58
  • Thanks a lot Ajo, Ewan, Pconcepcion, Jscott :) i just assigned static IP's with DNS server as suggested above and got it worked. – Deep Apr 28 '11 at 14:03

2 Answers2

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Just assign some static IPs and you'll be on your way.

Aaron
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In /etc/NetworkManager/NetworkManager.conf,change managed=false to managed=true.

After that type in terminal

sudo service network-manager restart
Sukhjinder Singh
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