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heiowge
LXF regular
Joined: Wed Feb 27, 2008 8:21 pm
Posts: 1794
Location: Cheshire, UK
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 Posted: Mon Mar 25, 2013 7:09 pm Post subject: Ubuntu laptop internet issues |
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I've got an old laptop that I've put Ubuntu 12.04 LXF Remix onto (then upgraded to 12.10).
Problem is I have network access via wired and wireless, but no internet.
ping -c 3 followed by the IP for google gives me the expected results. However, if I follow it with www.google.com or www.google.co.uk, I get
ping: unknown host www.google.co.uk
Any ideas? 
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AMD PHENOM II X6, 14 GB DDR3, 500 GB hd, 1GB nVidia card, running Linux Mint 14 KDE / Win 7. Damn thing keeps breaking.
eeepc 1015PX, 1.66 Ghz Intel atom processor, 2 GB DDR3, 320 GB hd running Mint 14 MATE. Running great. |
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Rhakios
Moderator
Joined: Thu Apr 07, 2005 12:18 am
Posts: 7473
Location: Midlands, UK
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| Posted: Mon Mar 25, 2013 9:30 pm Post subject: |
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Obviously not getting any nameservers by DHCP. Check /etc/resolv.conf if there's nothing in there then that's likely to be your problem.
The network applet (on which ever desktop you have chosen) should enable you to get nameservers via DHCP or set them manually.
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Bye, Rhakios |
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mediamgl
Joined: Sat Apr 08, 2006 11:54 pm
Posts: 29
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| Posted: Mon Mar 25, 2013 9:40 pm Post subject: Re: Ubuntu laptop internet issues |
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| heiowge wrote: |
Problem is I have network access via wired and wireless, but no internet.
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This happens to me when I start the laptop without it being plugged in to a power supply. If I disable networking, then turn it back on, it again connects to my router, but also the internet works. It never does this when plugged in though; it only happens when first booted from battery.
Not a solution, but at least you are not alone. I haven't checked the Ubuntu forums... |
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Ram
LXF regular
Joined: Thu Apr 07, 2005 10:44 pm
Posts: 1547
Location: Guisborough
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| Posted: Tue Mar 26, 2013 12:51 am Post subject: |
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As Rhakios says DNS issue.
If using Network Manager, have a look at the connection info and see if it lists your IPS Primary / secondary DNS server IPs.
Compare that to your Desktop.
If /etc/resolv.conf is blank on the lappy or doesn't match the desktop, you could copy the file from the desktop to the lappy.
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Ubuntu LXDE 12.04 running on AMD Phenom II*4; ASUS Crosshair III Formula MB; 4 GB Ram.....
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