Ubuntu Networking :: VPN Connection Will Not Stay Alive
Feb 21, 2011
As part of my transition moving away from Windows altogether, I've been trying to get the VPN to work properly under Ubuntu 10.10 32bit, through the wifi connection. The provider is Ivacy, using PPTP, and the usual instructions (below) are followed: [URL]. The VPN originally connects fine, browsing etc works all fine, for a limited period of time though. Within roughly 10min the connection stops working; I'm not yet sure whether the determining factor is time or bandwidth, but it remains short-lived...
There is no indication of the VPN connection dropping, it seems to remain connected, but no packets are received. To get the internet working again I have to manually disconnect from the VPN; then I can browse without the VPN, or reconnect the VPN and it will work for another small lapse of time. In addition, I'm not sure if this related, but after reconnecting a few times to the VPN as described above, eventually I get an error message, "failed to start the VPN service" (or words to that effect). The VPN connection worked very reliably under Windows.
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Feb 8, 2010
When I turn on the computer, it connects to wireless automatically. That's good. But it doesn't stay connected very long. Especially if I turn on a p2p program or make a call through messenger. Then I get disconnected suddenly and if I want to connect again it doesn't work anymore. Network - You are now disconnected and that's it. Every time it happens I restart the system. I use an Acer Aspire 5738z laptop.
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Jul 20, 2010
I noticed that there's small incoming and outgoing network activity every 10 or 20 seconds, example: Is this the OS telling the router that the connection is still alive and vice-versa?
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Jul 20, 2011
I'm forwarding an application (HandBrakegui) over an ssh tunnel using X11 forwarding as follows
ssh -C -p PORTNUM user@host -X ghb
This all works fine and X11 loads and handbrake's X11 output to my local mac.The server is Ubuntu 10.4 and the client is Mac OS X.Is it possible for the X11 HandBrake Gui session to be kept alive once the SSH tunnel or the X11 window on the client (mac) has been closed? As I'm adding files to HandBrakes queue I want the programme to finish encoding them even if I turn off the client computer as the server is always on.
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Feb 13, 2010
I just recently updated wicd from backports on lenny to version 1.6.2.2. And with my static ip configuration in wicd, when i click on the Scripts button in the network profile properties window the gui part of wicd totally freezes. This literally means that the tray icon becomes unusable although the connection stays alive. I would like to setup some scripts to automatically activate my vpn connection through pptp, which already works manually, but i would like to do it somehow through wicd. The wicd wiki talks about it vaguely so i figured i try it. I also tried to post this question on the wicd forum but registering is disabled for the time beeing.. though luck i guess.
So anyway does anyone else has these sympthoms with the backports version of wicd ?
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Oct 25, 2010
I had this problem today while I was logged on my server many a times there was power interruption and my connection would break.Each time a new connection was formed I could see the old ones still active is there a way I could close those connections which are still open when I had logged in.I tried restarting ssh daemon but that did not helped.I use Ubuntu 10.04
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Aug 24, 2011
I'm using Opensuse on a small computer that needs to run a web site 24/7/365. It's an mp3 player, it's used for music, the player is an html5 player that runs in fullscreen mode of firefox.It's connected to a TV via HDMI. I've set all possible power options so it never sleed, idle, hibernate or close. Same thing for display, never dim or turn on screen saver. Although the TV is not ALWAYS on the PC's HDMI input, sometime switching to TV Tuner and other time to PC display.So if we switch the tv's input to tuner and the to PC, opensuse won't re-detect the display and the TV will say NO SIGNAL until I completely reboot the PC ... very annoying ... The other problem is that the TV is far from the server so I need to use VNC and re-open firefox, go to the player and re-set fullscreen mode. But worst, I can only use VNC once. If I want to reconnect via VNC, I need to login SSH, restart service and then I can connect ...1. How can we set VNC to ALWAYS accept connection and that from a fresh boot ?
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Mar 24, 2011
I am running a dual-boot with Ubuntu 10.10 and Windows 7 and I can't stay connected to the internet with Ubuntu, but Windows does. My router is a D-Link GamerLounge DGL-4500. I have wireless internet access for about 10 seconds but then it drops. Access to the router doesn't go away though. Other computers can connect to it just fine, and my computer (Toshiba Satellite A505) has connected to every other one I've tried on. I can still log in to it and change settings and all that, but I can't access the internet through it. I also can't ping the router.
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May 29, 2010
I've recently installed 10.04 LTS on an old laptop. I've not been able to connect to the internet at all. I finally finagled some drivers for my Broadcom BCM4318, and seemed to get everything in order, but it says that the "Radio hardware status changed to DISABLED"
Then, I pushed the button on the laptop to turn the wireless on, and it worked! But then as soon as I let the button go, it turned off. Is there some way to toggle it so it's always on?
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Oct 30, 2010
how to stay connected to the internet?
Here I have
br@ubuntu:~$ ifconfig -a
eth0 Link encap:Ethernet HWaddr 00:1e:8c:2b:06:8d
BROADCAST MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
[Code].....
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Mar 14, 2010
I have a project with a small device which is running xubuntu. Running DHCP all works fine, but we are sending this out to a client who gave us some specific IP settings.There is nothing GUI wise, which is nothing tragic, so I updated the interfaces file with the static info as well as the /etc/resolv.conf file and rebooted. The static info worked but had no DNS, and all that was in that file was;#SETUP by Network Manager (or something close as I am not at the office).
You can run via cli NetworkManager but does nothing. I installed I think it was called KNetworkManager which is a GUI to the app, but when started it shows the eth0 device as in use so I am assuming something else is managing.So basically how can I get the DNS settings to stay either cli or gui..
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Dec 27, 2010
I am running Ubuntu 10.10 on a Dell Dimension 4700 desktop computer. I just upgraded to 10.10 from the previous version after getting my D-Link wireless adapter back after loaning it out. My internet now won't stay connected. I can connect when I firstrn on the computer, with after 2-5 minutes it drops the connection and gives me the "Wireless Network Authentication Required" prompt. It won't connect again without unplugging the adapter and plugging it back in.I borrowed a Belkin wirelss adapter to try it, and it does the exact same thing. PLEASE can someone help me, I really need the internet up on the computer(Also, when I first got the adapter-- while running the old version of Ubuntu-- it would not recognize or connect at all and I spent 4 hours messing with drivers and settings to get it to work, which it did flawlessly. Until I upgraded.)
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Sep 15, 2010
What happens is that it seems the system has problems logging onto the wireless network. Once I have tipped in the router access code it sometimes logs on immediately, but most of the time it keeps searching for a long time before logging on if at all.Once I have a connection established it is very unstabile. After a few minutes it logs off and starts searching for the network again, asking for the access code every 2 or 3 minutes. Sometimes it finds the network again and sometimes not.As you can probably understand, this significantly reduces the euphoric enthusiasm over having sacked mr. Bill Gates from my life. I should mention at this point that I am a regular pc user with little indepth knowledge and experience so any advice has to be like teaching a bonobo monkey rocket science.
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Mar 31, 2010
Situation: Someone intelligent physically dropped a HD from a dying machine into a newer one, things magically went well (with exception of X, fixed) and now we have this NIC problem. The owners of the server refuse to upgrade to fedora 12 unless there is no other choice, so here I am consulting the experts as I promised i would Ty for your help in advance
[CODE]# netstat -an | grep tcp | egrep -i 'established|time_wait' | wc -l
0
# service iptables status
[code]...
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Dec 9, 2010
Running Ubuntu 10.10 on Hp Mini 1030nr My wireless card is a Broadcom BCM4312. I have the b43 driver installed. When I disable networking I can change to monitor mode but then it changes back to manage mode when I enable networking again. I tried using airmonNG but it;s not working.
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Sep 8, 2010
I have been having problems keeping my hard drives alive with openSUSE 11.3, it is happening way to often and I'm starting to think its more than bad luck. The hard drives that I have been using are brand new 500 GB Western Digital hard drives. Once I get it I would do SMART test on it, which all turn out clean, then a couple of months later I go to boot my system and I am fronted with a { DRDY ERR } { UNC}. Checking the SMART selftest log from the repair mode on the DVD I get a read failure at about 10% of the drive, the LBA of first error is: 578307645. I can't keep replacing the HDD ever couple of months its just getting way to expensive.
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Jan 28, 2010
I just installed Fedora 12 on my HP a430n PC.I used to run Fedora 10, then moved to Linux Mint 7, then to Ubuntu 9.10 and now I am back to Fedora because I want to become more adept with manual package installation and adding repos.When I ran Fedora 12 immediately after then install, before running yum update PackageKit or the software update, it would use my wireless adapter (Netgear WG111v2) and connect to and stay connected to a network just fine. No hiccups.After running the updates and restarting the computer, the wlan won't stay connected for longer than 20 seconds, which is frustrating when trying to install mp3 codecs.
This seems to be a bug in the latest driver update for the WG111v2, but I might be wrong. Anyone have a fix or a way to revert back to the initial driver (I don't know what the original wireless driver was called).
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Jun 15, 2010
I have a LOT of bookmarks collected in time in my Firefox Browser, but i have found that some of them are dead.
I was "googling" around and found that:
Code:
wget --spider --force-html -i bookmarks.html
Can check all the bookmarks if are online/offline, but where it saves the results?
So the question is: Someone knows an app to check my bookmarks online/offline state?
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Jan 16, 2010
I am using putty to interact with Linux server. I have started a process using putty.
The process is running and will take 5-6 hours. I want that process to keep running after I close the putty session. How can I keep that process alive after closing the putty session? I do not want to keep the computer ON all the time. Is there any way to do this?.
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Jun 18, 2010
How to tell the kill command to ignore processes if that process is not alive?
For example: 3453 is an alive process but 44534 is not.
kill -9 3453 44534
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Feb 28, 2011
I have an ESXi session i need to keep going because it kills the cp command when it logs out or times out. So I need something that can press enter in that window every 5 minutes.
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Dec 8, 2010
I am running Fedora F14 on an Intel I3 cpu w/4Gb memory and plenty of disk. I have two displays connected to the Gigabyte Motherboard, one of the HDMI connector, and one on a DVI connector. I run Gnome. When Compiz is enabled things work fine for a while, meaning hours or days. Then the displays will "freeze" to the point where the clock stops updating. The system itself is still running programs, services, and the mouse and keyboard work. The mouse cursor will move around, but nothing can be clicked upon. If a terminal was the open window, typing on the keyboard does not do anything, nor does ctrl-backspace or whatever it is to terminate X windows. The keyboard does allow me to press ctrl-alt-F2 to switch to one of the base consoles. Once there I can type to my hearts content. I can kill off my logged in Gnome session through the console, and I can shutdown the system in a controlled manner.
It is as if all of the windows stop updating. For example, I play music through Amarok. An hour after I stop using the system but letting the music play the screens will do their lockup. The clock will stop, and Amarok will stop updating which song it is playing. It continues to play each song in the playlist, but the Amarok window shows what was playing at the time that the clock stopped. I've also had this happen to me while using Yumex, where it would stop updating the screen while installing programs, but the programs do get installed. With Compiz off I don't have this problem.
The version of Compiz I am using is currently 0.8.6-3. It is running on Gnome 2.32.0-2, with a Linux kernel of 2.6.35.9-64. It has happened with earlier versions of these programs. I am using the graphics processing the Intel i3 chip to the motherboard connectors. The freeze generally happens at some random time while I am not actively using the system. It has happened to me while doing simple things like programming through an IDE. The really strange thing to me is that the cursor will move around on the screen after everything else stops updating.
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Apr 3, 2011
I'm trying to create a PAN (Personal Area Network) using a laptop (Siragon ML-1040) and my desktop computer, but I get the Connection Refused (111) error.
Blueman doesn't detect any network service between the two computers unless I start PAND on one of them and then it detects the NAP service. That, only after I enable the NAP/Workgroup services on the Services submenu in Blueman. However, it doesn't work neither with the NM plugins or without them (dhclient and that other one I can't remember the name of).
Any clues over here? I'm using pand 4.91 and blueman.
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Jan 24, 2010
Its a case of ".... wireless network connection active but still not internet connection .."I am using WEP - 128 key ... Works when I connect directly using ethernet cable ... but not wireless (pci and wireless router)
ubuadmin@ubucomputer:~$ ifconfig
wlan0 Link encap:Ethernet HWaddr 00:06:25:12:83:3b
inet addr:192.168.1.10 Bcast:192.168.1.255 Mask:255.255.255.0
inet6 addr: fe80::206:25ff:fe12:833b/64 Scope:Link[code].....
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Jul 28, 2010
I'm trying to do a SSH connection between my home and work PC both machines are running ubuntu 10.04. I have read all the comunity documentation at [URL] from Work PC. I went on to the web site what is my ip address and noted down the number, From Home i opened a terminal and typed: pnig (ip address). to which their was no reply, now i'm assuming i need to configure the works router to except connection requests, is this Correct?
Also what information do i need from my works network and how do i get it? I understand that I need the routers expernal ip address, but how do i referiance a specified computer after that address? What program do i use in ubunu and how is that information applied to it?
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Jun 11, 2011
My problem is exactly the same as [URL]
but I am stuck at the last hurdle
here are the output of the command that helped to solve the case in the previous post:
ifconfig wlan0
wlan0 Link encap:Ethernet HWaddr 00:1b:77:d2:59:55
inet6 addr: fe80::21b:77ff:fed2:5955/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
[Code].....
I have also tried sudo dhclient but it hasn't helped and I am still unable to connect to the internet
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Jun 21, 2009
I have installed Fedora 11 recently. I want to share my Internet connection.
I have e LAN connection eth0 which is connected to internet.
I have a Wireless connection wlan0.
I want to share my internet connection with wireless connection.
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May 13, 2011
When I have video running and the video stops, I see that the connection is destroyed in about 5 seconds, which is what I want. If, rather than stopping the video, I pull the plug, I have seen it take 350 and 380 seconds before the connection is destroyed. Why is there such a large difference in the time to destroy a video connection between stopping the video and pulling the plug on it when using net filter connection tracking? How can I shorten the time for the connection to get destroyed when pulling the plug?
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Feb 4, 2010
I have two linux laptops. Currently, I'm using both of them at work, side-by-side. Now the problem is, I'm connected to a wireless router, but the wireless only works on one of the laptops. So I'm stuck with one laptop that has no access to the internet. Both machines do, however, have working ethernet nic cards. So, I was wondering if I could use the laptop with the wireless connection to share the internet connection with my other linux machine and access the internet on both of them. Or as an alternative, just use the internet on the machine without wireless and be able to switch back and forth, that would increase my productivity like 30 fold.
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Apr 23, 2010
I'm trying to setup PPPoE connection to establish my DSL connection, but I got
Code:
pppoe[3885]: read (asyncReadFromPPP): Session 4479: Input/output error
pppd[4104]: Cannot determine ethernet address for proxy ARP
in my sylog file.
When I do pppoe-start, it connected but I cannot ping into any destination (even to my modem in the same network). DNS servers are explicitly set in pppoe.conf and resolv.conf. Did I miss anything?
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