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I used my computer this morning, but when I returned this evening, I am unable to reach the internet. Also the light on the mobo where the ethernet cable is ...
- 08-03-2011 #1Linux Newbie
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Suddenly cannot reach internet
I used my computer this morning, but when I returned this evening, I am unable to reach the internet. Also the light on the mobo where the ethernet cable is plugged in is steady yellow.
My limited experience would tell me it is a hardware failure, but it seems so strange with nothing going on during the day. How might I best diagnose the problem?
- 08-03-2011 #2Super Moderator
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Try fiddling with it through the command line. You need to substitute your actual device name for eth0 as this is just an example
Code:ifconfig eth0 up
Code:dhcpcd eth0
Code:ping -c3 google.com
Did you do an update? A new kernel perhaps?Code:dmesg
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- 08-03-2011 #3Linux Newbie
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Mike, Thanks for yours, but I don't understand what the 'device' is. How do I find out what should be inserted for eht0
- 08-03-2011 #4Trusted Penguin
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Do ifconfig -a.
The topmost item will likely be your device name.Jay
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- 08-03-2011 #5Linux Newbie
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The top line reads:
Link encap: 192.168.0.104 HWAddr 48:5b:39:94:28:00
Should I put all of that in for eth0?
- 08-03-2011 #6Linux Newbie
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would call my isp before getting too drastic to verify everything is ok on their end.
- 08-03-2011 #7Linux Newbie
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Bo, all other computers on the lan are able to reach the internet normally, but your "too drastic" now has me worried. Are you saying that doing the "fiddling" might compound my problem?
BTW, Mike asked, and I have not done a version upgrade, but I am constantly doing the updates and I believe may have done one very recently.
- 08-03-2011 #8Super Moderator
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Post the output from the commands above, it looks like you have an IP address, let's see what you got going on.
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- 08-03-2011 #9Linux Newbie
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Mike, yours got me to thinking, so I tried pinging the router and got a reply (yea!).
Had restarted the computer twice yesterday and the second time had not restarted my browser, so when the ping worked this morning, I opened the browser and lo, it reached the internet. Very strange. I expect that I now have an intermittent problem, but hopefully that will be a one-time event.
Expect me back if it becomes a random problem, but in the meantime, thanks for all the great help!
P.S. Mike, I want to keep your suggestion at the ready in case the problem does return. What should I use for the substitution for your 'eth0'? Thanks.
- 08-03-2011 #10Super Moderator
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You'll have to post the output of the commands before we can know that.
ifconfig -a
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