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Old 06-27-2016, 09:08 PM   #1
namenoname
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I have an odd networking issue. Debian 8.5 Jessie and Lenovo ThinkCentre.


Very recently, I installed Debian 8.5 Jessie. I have used many Debian based distros in the past, but never Debian itself. I have this weird intermittent issue that has come up 3 times. It will not let me go to any websites that are not owned by Google. The last time it happened. I tried to use the terminal to ping the websites instead of just using the browsers. It kept giving me the reply of "connect: Network is unreachable." I used my phone's terminal emulator (which is connected to the same network as my Debian computer via wifi) to get the IP addresses of certain websites, I tried pinging them (including google) and got the same response each time. It was letting me go to google, search google and curiously enough it was letting me go to some websites from google, but not all. I really don't want to use Google. I would rather use duckduckgo. I have been running this for roughly 2 weeks, and it has happened a total of 3 times. My theory is that it happens when I sign back in from the computer's sleep mode, but the last time that it went to sleep the issue did not show up. I've never heard of anyone having an issue like this with any computer. I have screenshots, but since I am new I cannot post them.
 
Old 06-27-2016, 10:46 PM   #2
Ztcoracat
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Hi & Welcome to LQ-

FWIW, I have gotten "Network is unreachable" before as well.
I think it's because the connection is moving slow and the strength is weak.

WiFi fluctuates and can't peak to 90% in one second and in less than 5 seconds later drop to 82%.

If your connection is wired you should give your ISP a call and ask about your connections stability and if they are down. Sometimes your ISP can go down; it's happened to me.
 
Old 06-27-2016, 10:52 PM   #3
namenoname
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The connection is wired. There are 2 other computers, 2 Android phones and 1 Blu-Ray player all hooked up to the same network. The problem is only on this one computer. I would like to convert the other 2 computers in the house to Debian, but not if little issues like this are going to pop up.
 
Old 06-27-2016, 11:29 PM   #4
Ztcoracat
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Keep in mind that the more devices that you have on your network it will slow your network down some.

My ISP clarified that for me a few years ago during a in home Tech visit.
 
Old 06-27-2016, 11:34 PM   #5
namenoname
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Yes, but I'm not talking about slowing down my connection speed. I'm talking about both firefox and qupzilla going to www.google.com but not www.duckduckgo.com or distrowatch.com etc.... Pinging websites resulting in "Network is unreachable" etc... When I open Google in either browser it opens quickly as if nothing is wrong, but it won't open any sites that are either not owned by google or from google.com searches. It's weird. I am able to upload photos now. The first screenshot shows how I am able to open www.google.com, but I am unable to ping it or any other websites. The 2nd screen shot shows how I am able to search with google during this problem. The 3rd screen shot shows that I am able to browse to websites from a google search. The last one shows that during this problem it will not load any other website (in this case duckduckgo. ) All of these examples are with Qupzilla, but Firefox gives the same results.
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Last edited by namenoname; 06-27-2016 at 11:39 PM. Reason: Add screen shots/descriptions
 
Old 06-28-2016, 12:22 AM   #6
Ztcoracat
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Quote:
Originally Posted by namenoname View Post
Yes, but I'm not talking about slowing down my connection speed. I'm talking about both firefox and qupzilla going to www.google.com but not www.duckduckgo.com or distrowatch.com etc.... Pinging websites resulting in "Network is unreachable" etc... When I open Google in either browser it opens quickly as if nothing is wrong, but it won't open any sites that are either not owned by google or from google.com searches. It's weird. I am able to upload photos now. The first screenshot shows how I am able to open www.google.com, but I am unable to ping it or any other websites. The 2nd screen shot shows how I am able to search with google during this problem. The 3rd screen shot shows that I am able to browse to websites from a google search. The last one shows that during this problem it will not load any other website (in this case duckduckgo. ) All of these examples are with Qupzilla, but Firefox gives the same results.
Duck Duck go may be down.
If you can't ping than something is not right. I'm not sure how to fix that.
Maybe it's a routing error between you and the site your trying to access?

-::-You will need a member with that type of experience to help if that's the case.-::-

http://www.wikihow.com/Fix-if-You-Ca...icular-Website
http://superuser.com/questions/38670...-on-the-router
https://askleo.com/why_can_i_not_acc...ain_web_sites/
 
Old 06-28-2016, 06:59 AM   #7
namenoname
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duckduckgo was not down. I was able to go to it on my upstairs computers just fine. After a restart, this computer worked perfectly. It's really odd.
 
Old 06-28-2016, 05:02 PM   #8
Ztcoracat
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Quote:
Originally Posted by namenoname View Post
duckduckgo was not down. I was able to go to it on my upstairs computers just fine. After a restart, this computer worked perfectly. It's really odd.
I have to agree it does seem odd.
 
Old 06-28-2016, 07:33 PM   #9
namenoname
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Well, the good news is that it's mainly just an annoyance right now. Like I said, it's only happened to me 3 times. The first two times it was when the computer went to sleep and I logged back in. The 3rd time was at random. I think that I am going to dual boot Debian Jessie on my other two computers and see if any similar issues arise. Who knows, it may have been hardware related. My Debian machine was an old XP machine given to me by my work. Instead of paying someone to take their computers and wipe the memory, I wiped the memory off of the computers with DBan and took them home. Gotta love a job with perks. Hopefully I stay there long enough to do that another time.

Still, if someone here ever comes across this and knows what the problem is/how to fix it that would be great.
 
Old 06-28-2016, 11:34 PM   #10
Ztcoracat
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Well I hope that the annoyance doesn't occur again.

I'm not sure if it's hardware related or not. Generally with performance issues most folks either recompile the kernel they already have or install a higher version of the kernel. However; I don't think that will solve the issue your having. Unless you are suspicious of hardware failure like the wifi card is on it's way out.

You could run memtest to see if the RAM is bad.
http://www.memtest.org/

All members can see your thread so if anyone knows what the problem is I'm sure they will come forward.
Sorry I don't know more; I gave it my best go.
 
  


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