Ubuntu Networking :: Samba Stops Working After A While?

Oct 22, 2010

I have created a Samba share, using the fantastic Webmin tool. I have a network media player which can connect to my router, and then access windows (samba) shares. Most of the time, it works fine - it's able to stream HDTV wirelessly across the network. However, every so often, it just stops working ... the media player sees :

Network, then
WORKGROUP, then
FILESERVER-1 (machine name), then
Media (share name), then
Video (subdir, then
TV_Shows (subdir), then
MyShow.AVI ... just hangs

if I use the Webmin tool, I see multiple samba connections all from the media player. Restarting samba seems to have no effect. The only way to fix it, is to reboot.

logfile I can check, or a setting I can tweak to fix this issue ?

When it get like this, trying to access the share from a windows machine, just gives me an error saying it can't find the machine. But when it's rebooted, it works fine.

I have mapped the "nobody" linux user to "guest" which is what the media player is defaulted to login with (it's primarily sold as a "Windows" media player), and using Webmin I have assigned the "nobody" user read-only rights to the samba share. It worked fine for 6 months, until I added this new drive.

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Ubuntu Networking :: Stops Working In 10.10 And Firefox Randomly Stops Working?

Nov 13, 2010

I'm running Ubuntu 10.10 Maverick Meerkat 64-bit on my desktop with a wired internet connection (with no firewall). For the past 2 days, I have observed that1. Firefox randomly throws up errors like "Problem loading page" whenever I click on a hyperlink. When I click on Reload, the page loads up just fine. This has been happening a lot recently..and I do not remember updating anything consciously. By the way, ipv6 is disabled in Firefox.2. The network stops working all of a sudden (usually indicated by the Firefox error). The Autho Eth0 indication is active, but I am unable to connect to any external machine.

3. Needless to say, this error is manifesting itself in apt-get as well. I get "something wicked happened" errors all the time, and am unable to download or install anything.That this is not a problem with the ISP is obvious because I also have Windows (from which I'm typing this, ironically), which is able to access the internet.Is this a bug in Ubuntu 10.10?

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Ubuntu Networking :: Samba Server Stops Accepting Mount Requests?

Apr 21, 2011

I'm having an issue with a Samba server running on an Ubuntu "server". Technically, it's not a server, it's just an old desktop with Ubuntu 10.04 running it..and I have a few server processes running (ProFTP, Samba, etc.)The Ubuntu server is where I store all of my important files that get backed up to a separate hard drive. I shared folders via Samba, and I use two computers to access the shares. I access the shares with an .sh file I created that uses the mount cifs command to mount to those shares.

It has been working flawlessly for a long long time, up until recently. For the past few days to a week, I will try to mount the shares with no result. In the terminal, the commands just freeze, as if the command is trying to execute, but having network issues.The only way I can get it to work is if I reboot the Ubuntu server, then it maps flawlessly. But a day later, it's back to hanging up when trying to mount.

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Ubuntu Networking :: Wireless Stops Working After A While?

Jun 16, 2010

I'm having some problems with wireless, it works fine on boot but after a while pretty much randomly, it can be a few days or it can be a few hours, it stops working. I'm not sure which command would tell you what and it would take a little while to debug it because like I said it's random, but if anyone knows what to do please tell me! I'm on Lucid Lynx 10.04.Another something that's really bothering me (But not related to wireless) is that for some reason when I restart my computer, the top panel keeps changing the applets locations.

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Ubuntu Networking :: USB Wireless Stops Working After Upgrade?

Feb 10, 2010

This should be easy for the Ubuntu Gods to sort out:

I have a Sabrent USB 802.11N adapter. (I am using 64-bit Ubuntu in all below)

I plug it into a 9.04 box and it works fine. Plug it into a 9.10 box. Network manager sees it and can attach to the network, but has 0% signal strength, no internet.

Rebuild the 9.04 box with a fresh install to 9.10. 0% signal, no internet. Try 10.04 Alpha 2, 0% signal strength, no internet.

Rebuild same box down to 9.04. Works perfectly. 100% signal strength. I do all updates and then the upgrade to 9.10 using the USB. Everything works fine until the reboot. Then, USB connects, but 0% signal strength, no internet. Oh! ifconfig says the wlan0 interface is up, but it has a random ip address.

I don't mind using 9.04 because for the forseeable future, the box is just going to count aliens for Seti, but my wife wants it off the counter and I would like to upgrade someday.

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Ubuntu Networking :: Iwlagn Connection Stops Working After About 1MB?

Jul 24, 2010

I have an Intel PRO/Wireless 5100 AGN [Shiloh] on my HP Pavilion dv7 running a fully updated Lucid (10.04).I can connect to the wifi on my smartphone and I have no problems at all.However, after a recent update I found myself unable to use my home wifi connection.Once connected, I can usually transfer about 1 MB of data and then nothing else will go through.# uname -aLinux lappy 2.6.32-23-generic #37-Ubuntu SMP Fri Jun 11 08:03:28 UTC 2010 x86_64 GNU/LinuxSince the home wifi router, a Linksys Wireless-G SRX, is a bit more advanced than the wifi capabilities of the smartphone, I'm inclined to think there is some feature being used that is now broken in the iwlagn driver.I've tried to disable the "11n" support with this:

# modprobe -r iwlagn
# modprobe iwlagn 11n_disable=1

but the problem continues even after that ... is there something else I can try to disable?r some way of getting the details of these two connections to see exactly what the difference is?

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Ubuntu Networking :: Ethernet Stops Working On Restart?

Aug 13, 2010

I upgraded to the newest version of Ubuntu a few months ago, and ever since then, the ethernet connection to my router stops working when I restart the machine. It eventually comes back, but after varying amounts of time. Sometimes 20 minutes, sometimes 2 days.

Restarting the computer and cycled reboots of the router don't seem to have any beneficial effect, at least that I can detect.

The light for the slot on the router does not light up like it normally would, so it's almost like the OS doesn't even recognize the network card.

Ubuntu 10.4,64-bit. Dell XPS 410.

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Ubuntu Networking :: Wirelss Stops Working Periodically In 10.10?

Oct 15, 2010

New Toshiba laptop dual booting with Windows 7. I really like MM 10.10 and most things are working great! Periodically I will be web browsing and I lose connection. At first I thought it was Firefox but if I try to disconnect wireless and reconnect it will no longer connect unless I reboot. My network is hidden but Ubuntu finds it no problem on a fresh boot and connects per my settings and it is not a network problem since I can connect to Windows all day long and the rest of the family never has problems.

My wirless device is: Realtek Semiconductor Co., Ltd. RTL8191SEvB Wireless LAN Controller (rev 10)n and all OS updates are applied that I can find. I am thinking about un-hidding my network since years ago that used to be a problem with Redhat and even early Ubuntu but beyond that I cannot think of what else to try.

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Ubuntu Networking :: Stops Working After Suspend/hibernate On 10.10?

Oct 22, 2010

networking stops working after suspend/hibernate on Ubuntu 10.10 and it used to happen on 10.04 though i did not bother to resolve the issue then

output of sudo lshw -C network

*-network DISABLED
description: Wireless interface
product: AR9285 Wireless Network Adapter (PCI-Express)
vendor: Atheros Communications Inc.
physical id: 0
bus info: pci@0000:08:00.0
code....

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Ubuntu Networking :: Default Route Stops Working?

Mar 22, 2011

I'm currently working with Ubuntu 10.10.I wanted to add a default route to a gateway named ppp0.I did it with the command> route add default ppp0It works ok. But then from time to time it suddenly stops and I have to go back again to the server and retype the command. I'm clueless as to why is it happening. I can assure no one is working at the server or doing anything over there.Does anyone know causes that might be triggering route default to stop working?Btw where is the best place to add this command so it will be executed automatically on start-up and without needing to login to the server?

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Ubuntu Networking :: WiFi Freezes And Stops Working?

Apr 15, 2011

i am getting some troubles with WiFi. I got a Lenovo G550 with a BCM4312, at first i found some troubles making it work but i managed to find a proper driver and it is working "fine" Every 5 minutes or so my WiFi freezes and internet stops working. I don't get disconnected from the network, but until i don't reconnect to it, internet will not work.

Rare thing is, i realised that this happens ONLY when my notebook is plugged in. When it's working on battery, this does not happen. If i use it on battery it works for 30-40 mins (or more) and 3 minutes after i plug it in, it just stops working. I'm using Ubuntu 10.10, if there is any information i could give, just tell me. I also have a Windows partition and this does not happen there, either plugged in or on battery.

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Ubuntu Networking :: TEW 649UB Stops Working After An Hour

May 25, 2011

I have a Trendnet TEW-649UB Wifi N dongle, and I'm using the latest Realtek firmware downloaded from their website. It works ok, but everytime, after an hour or two, the blue light turns off and the dongle stops working. I have to unplug it and plug it back to bet my network back up.

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Ubuntu Networking :: Wireless Not Working - Stops Than Says Disconnected

May 26, 2011

My Ubuntu when i start it up, go to the wireless networks , try to connect to my network it trys to connect stops than says disconnected. My internet card is a Cisco Aironet wireless (idk the model number)

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Ubuntu Networking :: Wireless Network Stops Working After A While?

Sep 1, 2011

I have a wireless network using this driver:

Bus 001 Device 002: ID 0bda:8187 Realtek Semiconductor Corp. RTL8187 Wireless Adapter

and everything works fine for some time. After a few hours or maybe less (if I push bandwidth to the limit) the Internet freezes. I can't even ping my router. If I disconnect and reconnect either the device or the connection via network manager , it does work for a minute only and then freezes again. If I restart Ubuntu entirely, it works again. But for a while...

It works 100% in Win7 and I have no problem at all there. But I am very annoyed that I cant have reliability in Ubuntu. I want Ubuntu as default.

It has something to do with drivers or an inner variable or buffer or something.

At least, is there any way to reset my network connection without rebooting the OS?

I tried sudo /etc/init.d/networking restart but it gives me: Ignoring unknown interface wlan0=wlan0.

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Fedora Networking :: Wi-fi Stops Working In Mid-section?

Jun 27, 2011

I have just installed Fedora 15 xfce on my desktop. When I 1st start my computer my RaLink RT2870 works but after a while it disconnects and won't start again till I restart.

I can't see any pattern I am doing to make it stop. I been doing various tasks when it stopped working. I don't what command prompt or configuration file to look for or what to configure in the file.

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Ubuntu Networking :: Internet Stops Working When Torrent App Is Active

Apr 18, 2010

This holds true in Transmission and NOT in Vuze. UPnP is enabled, ports are randomized and open each time. Pings to outside still work fine, but I cannot browse to websites (404 errors) when the app is running. I'm stumped, is Transmission locking all other in bound traffic/ports except the one it wants to use?

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Ubuntu Networking :: Atheros AR5006EG Wifi Stops Working After A While?

Jul 28, 2010

Previously my wifi has worked just fine in 10.04, but as of recently I keep losing my connection after leaving my laptop on for a while (and this happens sooner and sooner each time, used to be daily, now it's every few hours), I can no longer see any networks at all, and I have to reboot to get it working again. I haven't even installed or removed any packages lately, so I'm not such what might've caused this to break all of a sudden.

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Ubuntu Networking :: 10.04.1 Desktop - Bridge Stops Eth0 Working

Oct 13, 2010

I am trying to get a network bridge configured but every time I make the changes and restart networking (or reboot) eth0 appears to come up OK but I can no longer talk to the outside world via it. With no bridge defined, I can talk to the web using either wireless or wired; wicd is configured to switch to a wired connection when available (got rid of Network Manager. It didn't recognise eth0(!)).

I want to use the bridge so virtual machines (LXC containers) can talk to the web when the machine is wired to the wireless router. Eth0 gets its IP address (192.168.1.4) via DHCP from the router and I want to bridge to another subnet, 192.168.154.n say, and the containers will have fixed IP addresses 192.168.154.101, 102, 103 etc.

[Code]...

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Ubuntu Networking :: Ndiswrapper Stops Working After Update - Belkin 54g?

Oct 23, 2010

I'm trying to get internet set up on my grandad's laptop (sony pcg-f590), which has a fairly old pcmcia belkin 54g wireless card. I've installed the relevant bcmwl5a.inf driver through ndiswrapper, and for a time wireless worked so I installed updates through update manager. however after restarting the network manager menu comes up with "wireless networks disconnected" and no list of networks (I know there are because my laptop works and his is sitting next to the router!). The light is on on the network card so I know the laptop is talking to it. Unplugging and replugging the card does nothing, and neither does restarting again.

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Ubuntu Networking :: Atheros AR5006EG Suddenly Stops Working?

Dec 19, 2010

After a while, my connection suddenly drops and I'm no longer able to see any networks or anything. The only way I can regain my connection is to reboot over time this happens, which is a pain. I've searched around and can't find any fix for this card.

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Ubuntu Networking :: Desktop Internet Randomly Stops Working?

Mar 2, 2011

Not sure if I've listed the specs of this machine before, so I'll do it again. 'm running an HP Pavilion 760n with 512MB of RAM and (I think?) a Pentium III processor... not sure on that one right now. It's currently running a laptop version of Ubuntu 10.04.I went to log into my online classes tonight only to find that the computer wasn't responding at all. I did a hot shutdown and restarted it, and now the system isn't detecting the internet connection at all. It should be noted that the connection was working perfectly fine earlier today, perhaps 6 or 7 hours ago.I know it's something to do with my computer and not my router, as I'm on my wireless network from a Windows 7 laptop and it's connecting just fine.

In viewing another thread,..lems+-wireless, I found a bunch of commands that it was said would be helpful diagnosing this issue. That said, below is the output of all the commands that I could think of.

Sudo ifconfig -a
eth0 Link encap:Ethernet HWaddr 00:e0:18:5c:45:7a
inet addr:192.168.2.1 Bcast:192.168.2.255 Mask:255.255.255.0

[code]...

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Ubuntu Networking :: Wireless Connection Stops Working Randomly?

Sep 1, 2011

I have a problem with my wireless connection in ubuntu (natty with amd64bit) There seems to be intermittent disruption in my connection. Havent seen a pattern as yet, though it happens once a day. After that I cant get it to work at all and only restarting + reconnecting the USB device helps. Dont know what is going on.I have already read these pages : Commands and Wireless Troubleshooting.Here is my line of though1) Given that I am able to connect other devices to it while I am not able to connect through this desktop, I think the router is OK.2) I am able to work with it after restart + re-connection . And so the driver is OK and is loaded. The driver seems to be oK and loaded even while I am not able to connect.So why is this happening and how can I get this under control without having to reboot and re-connect the device everytime.Here are the output for the commands which will give you a more detailed idea of the process. Before reboot while I was not able to connect:

Code:
Script started on Tue 23 Aug 2011 01:40:08 PM CDT
raja@UshRaj: ~raja@UshRaj:~$ sudo nm-tool

[code]....

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Networking :: NAT Stops Working When Load Balancing Is Enabled?

Dec 5, 2010

I am using the routing multiple upstream providers solution available on internet using iproute and gwping script. It works great but the problem I am facing is;

Code:

ip route add 192.168.15.0/24 dev eth1 src 192.168.15.2 table ptcl
ip route add default via 192.168.15.1 table ptcl
ip route add 192.168.16.0/24 dev eth2 src 192.168.16.2 table nayatel
ip route add default via 192.168.16.1 table nayatel

[code]....

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Ubuntu Networking :: Wvdial Stops Working After Upgrade From 9.04 Jaunty To 9.10 Karmic

Mar 1, 2010

On a fully updated Ubuntu 9.04 system, I had successfully configured wvdial to connect using a USB modem ("Update" brand) with an ID of 067b:0611 (uses the pl2303 driver module). In considering an upgrade to Ubuntu 9.10, I tried a LiveCD and was unable to connect using wvdial. However, because I had made the CD a couple months before, I went ahead with the upgrade (via the internet; not a fresh install) in the hopes that it would end up working or I would be able to find a solution for it.

The Problem: The upgrade was a success as far as I could tell, but when I tried to connect to the internet with wvdial, I was not able to. I checked the wvdial.conf settings to make sure they were the same as before, added some new ones I thought it might need, unplugged the modem and replugged it, restarted my system, etc., but all to no avail. Whenever I would try to run wvdial to connect, I would get the following output:

Code:

--> WvDial: Internet dialer version 1.60
--> Cannot get information for serial port.
--> Initializing modem.
--> Sending: ATZ

[code]....

This was different than the output I used to get with wvdial, but when I went over to my browser (Firefox) the internet worked fine. I'm assuming my email client and other things will work okay as well, but have not tested them as of yet.

A final touch I did to make connecting a bit less 'painful' was to right-click on the panel (at the top of the default Ubuntu screen), and click on 'Add to Panel'. Then I selected 'Custom Application Launcher', chose 'Application in Terminal' for 'Type', gave the launcher a name, pasted in that 'horrifically' long command line above, gave a brief description in the 'comment' box, then pressed 'OK'. Voila! I now have a launcher on my panel that with a single-click will bring up a terminal screen where I enter my sudo password and it connects. Then when I want to disconnect I just go back to that terminal, press Ctrl+C, which promptly disconnects me and causes the terminal to vanish into thin air.

Now, I don't know enough about this stuff to know why this command worked and wvdial didn't, but if you know, feel free to post a reply. Or if you'd like to see what settings I had for wvdial that worked in 9.04 but not in 9.10, let me know. Or if you think it's worth checking to see if this should be posted as a bug in either wvdial or Ubuntu, you can mention that as well.

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Ubuntu Networking :: Acer 5520 Wireless Randomly Stops Working

Apr 28, 2010

My Acer's Wireless randomly stops working until you fully shut down and start the computer.(Not Restart but Shutdown->Powebutton) I am using Ubuntu 10.04 Lucid.

I am wondering if anyone knows why it would stop working properly, and/or how to fix it?

And since this is a off and on problem I might not be able to provide details immediately from time of crash, since I need my computer on the wireless.

One symptom that really stands out is that the cooling fan is spinning as fast as it possibly can and processor usage is spiking around 80/200 on a process called phy0.(relevancy unknown)

As I was typing this post on my other computer, my laptop crashed and I lost the lshw -C Network output I had. If asked to, I will post the one from when it is working. Also I will post any other info you need from when I can.

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Ubuntu Networking :: All Wireless Stops Working If Loopback Is Enabled In Router?

Jun 8, 2010

I'm running a Source Dedicated Server on my Ubuntu laptop, and to connect to it via external IP from other computers in the network I need to enable loopback in my router.This was working fine, but then I disconnected my laptop for a few days, and when I came back the wireless stopped working on my Xbox. I reset the router to factory defaults, and then setup everything again. It was all working fine until I enabled loopback again and power cycled my router. Now every time I do that, the internet on Ubuntu stops working and the wireless on the Xbox stops working.

Edit: You can ignore this I guess. It seems I was actually DISABLING loopback by enabling that router option, which I guess caused this. Strange, because the first time enabling this option was the only way to get my external ip to work. Oh well, everything is fine now.

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Ubuntu Networking :: Squid Stops Working When Switching Connection Type?

Jul 13, 2011

I have squid and dansguardian installed on my laptop. What seems to be happening is when I go from home (ethernet) to school (wireless), or from school to home, squid stops working (sites don't load - at least some don't). My fix was to shutdown squid with

Code:

sudo squid -k shutdown

delete the cache folder and then recreate it with

Code:

sudo squid -z

The problem is that this keeps happening and it is becoming a hassle to have to go through the 1-2 minute process every time I change my connection. I had squid and dansguardian set up and working for about a month on this installation and since Christmas on my old installation. This problem has only started recently. Occasionally, I would have to restart my computer because of DNS issues but I did not have to do so every time I changed connections.

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Debian Configuration :: Web Site Stops Working / Have To Reset Networking

Nov 9, 2010

I'm running Debian server 5.0.6 and the latest stable version of Apache. I am hosting a website and it will stop responding after an unknown amount of time. In order to make the website work again I have to run /etc/init.d/networking restart. The server is running a static IP address and is not resetting when the website goes down. I don't know where to start looking.

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Fedora Networking :: Avahi MDNS Works Then Stops Working?

Jul 8, 2011

F15 current
avahi-daemon installed
nss-mdns installed
firewall totally disabled (for now while testing)
connected to network wirelessly

For perhaps 5 minutes I can either ssh into or from the F15 computer using:

ssh chris@macbook2.local

OR

ssh chris@f15.local

Works fine, no problems. And then in about five minutes it work resolve in either direction: ssh: Could not resolve hostname f15.local: nodename nor servname provided, or not known

I can still ssh in using an IP address. So I do:

[chris@f15 ~]$ service avahi-daemon status
avahi-daemon.service - Avahi mDNS/DNS-SD Stack
Loaded: loaded (/lib/systemd/system/avahi-daemon.service)

[code]....

*sigh* No that's not it. I just found no mDNS service in or out of the computer 3 minutes 26 seconds after restarting it, no additional items in messages.

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Ubuntu Networking :: Wireless Dell 1450 USB Adapter Stops Working After Upgrade To 10.04?

May 1, 2010

I upgraded from 9.10 to 10.04 and my wireless card no longer works.

The card is a Dell 1450 USB a/b/g card.

lsusb sees the card. device id is 413c:8104

dmesg says that p54usb is trying to load firmware isl3887usb but that failed (error -2)

I looked in /lib/firmware and didn't find that file

ps. god why did i upgrade?

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