Ubuntu Networking :: Unable To Communicate Anymore - Software Centre Does Not Work
Jul 14, 2010
One problem has led to another.. I had notebook version 9.10 and it worked OK. I Downloaded 10.04 onto USB and all seemed fine. After upgrade - disaster. I have as Asus Eee PC901.
1. I am in Italy and bought a TIM USB mobile broadband modem - Ubuntu can see the device but nothing happens except a bizzare message with no information at all 'Unable to Open Archive'. I have no idea what that meant nor what I should do to resolve whatever it is, so I went back to my older USB modem which worked under 9.10 - Now even that device does nothing.
2. as a result, Ubuntu software centre does not work, Synaptic Package manager is the same; also update manager.
3. Limited communications are available via the university wireless network. That network requires me to work through their own proxy;port address (with username and password) which I have set up using proxy manager including the username and password. This allows me to carry out web surfing and point to point downloads.
4. Firefox works fine, and it obeys the requirements for registering with the proxy. Thunderbird, evolution, Synaptic, Update manager, Software centre etc all fail because they failed to authenticate with the proxy. They all have been set up to use system proxy. (Also tried direct proxy address;port in each package but no go)
5. The ultimate frustration has come from the direct download of Skype (.deb). Double click and it starts to install then crashes because of numerous dependencies (things like libqtgui4).
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Jul 18, 2010
I have two computers...Ubuntu server and Windows XP client. Both are connected to the internet using Ethernet. I have them connected directly using 1394 to increase speed of large transfers. The internet network and 1394 have different IP address scemes. Internet 192.168... 1394 10.0.0...
I am having problems getting the two computers to communicate with each other. I can ping the server's ip address and and it loops back. Same with the XP's IP address. I can't ping each other.
ifconfig shows my eth0 and eth1 connections are up. The eth1 Link Encap says UNSPEC.(Don't know if that means anything.)
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Jul 3, 2011
I updated my system yesterday (Ubuntu 10.10). Few minutes later there was a notification that said something about a program that stop working. Since then I cant connect to the internet anymore. I can see all the wireless networks around me but when I attempt to connect to my home network it keeps asking me for the password. i didn't install anything before or after the updates. I am sure there was something on the updates that screwed my system.
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Mar 19, 2011
I already had solved the problem [URL].. but after several yum updates it has appeared again. Within the script "/etc/ppp/ip-up" the sixth parameter isn't provided. But the sixth parameter should be "ppp0" (in this case). The script sets it into the variable $LOGDEVICE and passes it as first parameter to annother script. Successfully I had patched "/etc/ppp/ip-up". I would like to report a bug but I'm not sure if it is a wvdial or a ppp/pppd or a Fedora 14 bug.
Now (after several yum patch updates) my patched /etc/ppp/ip-up doesn't help anymore. The registration at the mobile phone provider seems to be ok but the internet connection isn't initialized.
According the man pages wvdial starts ppp or pppd and one of them seems to call /etc/ppp/ip-up. At which point in the subprocessed scripts (under /etc/sysconfig/network-scripts/) I didn't find out yet.
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Aug 2, 2009
My intel pro wireless 2200 NIC doesn't work anymore. Yesterday it did, but not today (I didn't do anything special, so that it could go wrong).What is ucode and -62? Any ideas? I already checked the forums and found that ipw doesn't work when ndiswrapper is loaded. Well, I don't have it loaded. What happend?
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Aug 1, 2011
I recently installed Fedora 15 x86_64 on my new AMD Machine and I'm quite pleased with things thus far.Here's where my problem comes. I mainly bought that machine to help me with Development. More specifically, Virtual Machines for testing purposes. I have installed Fedora 15 x86_64 as a qemu-kvm Virtual Machine and it's working.. for the most part. I am having a whole lot of trouble getting it to connect to the Internet.
My guess is the only way I'm going to reliably do that is to setup a Bridge. Yes/no? However, in order to setup a Bridge I need to disable NetworkManager and that where the fun happens. It completely disables my network connection. I'm probably missing something small, but I can't figure out what I'm missing. I've double checked my ifcfg-em1 multiple times(I've been trying for ~24 hours so far) and all the settings are as they should be.
I've turned NetworkManager off and stopped it(chkconfig and service) and turned network on(chkconfig and service). Theoretically I should simply need to turn off NM and turn on network and things should be fine. no?
Well, aside from adding:
ONBOOT=yes
NM_CONTROLED=no
to ifcfg-em1.
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Apr 16, 2011
I am having trouble connecting to my Garmin GPS unit, an eTrex Venture HC. I gather from all the resources I've checked that it my system is finding the GPS just fine, but I am unable to communicate with the device. Using gpsbabel, I get the following error:
I noticed that the gpsd service was disabled, so I enabled it, but that didn't seem to change anything.
(using Fedora 14)
lsusb:
dmesg:
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Dec 15, 2010
This issue was prompted by Groupwise MTA not communicating with a Post Office that I had migrated to our first Linux box. I found out why, because I cannot communicate with it at all, other than through ethernet. I'm not sure what the problem is. I've checked the firewall and opened up all the ports that I'm trying to communicate on.ve made sure Apache is loaded
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Mar 11, 2010
Ubuntu software centre can't find anything to download and when I Atempt to open Synaptic I get This Error: E: Type '<!DOCTYPE' is not known on line 1 in source list /etc/apt/sources.list.d/playonlinux.list E: The list of sources could not be read. Go to the repository dialog to correct the problem. E: _cache->open() failed, please report.
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Mar 6, 2009
I've got a Logitech QuickCam Communicate STX webcam. According to this website, this webcam works under Linux; however, when I open Cheese, I get only a screen full of colored bars (like what you see on a television channel that's off-air), and in Skype I get green snow.
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Jun 29, 2011
If I click on the ubuntu software centre icon the pointer shows the application is loading but then nothing happens
I've done an update, an upgrade and restarted...still nothing
this is both with the linux Mint (gnome desktop) and xubuntu I have installed on this compter an ASUS 13'' P81IJ
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Jul 27, 2014
I have a problem with my WiFi HP LaserJet P1102w printer. I can add the printer, but whenever I try to print anything, say, HP testpage, I get the following errors:
Code: Select allerror: Unable to communicate with device (code=12): hp:/net/HP_LaserJet_Professional_P_1102w?ip=192.168.1.6
error: Unable to print to printer. Please check device and try again.
error: Unable to communicate with printer HP_LaserJet_Professional_P_1102w. Please check the printer and try again.
I'm using current testing repos and the system is updated.
The printer is detected and installed via hp-setup, it just doesn't print.
This setup used to work, but I haven't printed anything in a while so can't be sure what caused it to stop working: updates, recent power outage or something else.
Printer is using a static IP address.
What works:
Printing over USB works.
Printing over WiFi from a different, Windows, PC works.
Pinging the printer (connected over a WiFi router) works. Also, opening the printer admin page works.
What I've tried:
Restarting everything.
Purging all hplip packages and reinstalling.
Installation log: [URL] ....
hp-check: [URL] .....
I'm stuck.
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May 26, 2010
I am using Ubuntu 10.04 , but after updating ubuntu using update manager, I am unable to install software using software Centre.When I click install button the software centre does nothing. Update manager concluded
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Dec 5, 2010
Chili555 where are you?
I am running Ubuntu Release 10.04 (lucid), Kernel Linux 2.6.32-26-generic-pae, GNOME 2.30.2.
I have installed the ASUS USB-N13 according to your advice in previous posts, specifically, in your advice to 828688 Ben.
The dongle seems to be operating as it should. The LED does its flashing at what appears to be the correct time. Wicd also looks correct. Networks are found with good signals shown. Everything looks correct. But when I attempt to connect, "validating authentication" runs for quite some time, and eventually results in a dialogue window stating the communication failed. The required WEP password is entered in the RT2870STA.dat file, and again in the wicd window.
I have entered as much detail in the RT2870STA.dat file as I dare, and believe it to be correct.
ndiswrapper is not installed. Network Manager is uninstalled. Only wicd remains.
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Nov 19, 2010
How can I get two ip addresses to communicate with each other which are not in the same 255 range?
Like:
192.168.0.1
and
192.168.1.1
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Dec 3, 2010
I'm using Fedora 9 and has finished the DHCP for my eth2 and static on eth0. I would like to add a route so that the 192.168.22.x eth0 and 192.168.26.x eth2 can communicate to each others,.
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Dec 18, 2010
I am testing with Suse Linux Enterprise Server 10 in a VMWare environment. I've installed two SLES10 servers, named sles1 and sles2. I can't get the two servers to communicate, even a simple ping won't work. The "Network Adapter" in VMWare is set to "bridged", a setting which has worked fine when installing WinXP in VMWare and connecting to the Internet.Even if I ping sles1 from sles1 (= "pinging myself"), I get the same error message.Only if I ping localhost, I get a proper ping result.What did I do wrong? Did I forget to configure something?
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Aug 27, 2010
given my computer is in a network consisting of multiple subnetworks, i.e. there are groups of computers: {192.168.1.1, 192.168.1.2, 192.168.1.3 etc.}, {192.168.2.1, 192.168.2.2, 192.168.2.3 etc.},..., {192.168.254.1, 192.168.254.2, 192.168.254.3 etc.}. My computer is 192.168.1.1. So I can communicate with 192.168.1.2, 192.168.1.3 etc. To communicate with other people I have manually switch to the proper subnetwork and take a new ip, e.g. 192.168.2.1. My question is: Is there any way to be member of all groups and communicate simultaneously with ALL computers? And if not, is there a way to find out (without manually changing the ip address) if computers of other subnetworks are online, so one does not have to change the ip and then look for other computers in the new subnetwork?
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Oct 20, 2009
I downloaded and installed a new copy of Fedora 11 last week onto a new computer (hereafter "proximate"). I also have a remote computer without a monitor running an outdated version of Red Hat Linux (hereafter "remote"). To manage the processes on remote graphically, I ssh from proximate into remote; this connection succeeds without incident in transmitting text (including commands) between the two computers; however, the command "gnome-session" returns: (gnome-session:15789): Gtk-WARNING **: cannot open display:
(The numbers apparently represent the process identifier and vary from instance to instance.) A similar warning (and no accompanying graphics) occurs whenever I attempt to start any graphical user interface from remote via ssh from proximate. The issue almost certainly lies with proximate; remote successfully communicated graphics to the ancient box that proximate replaces.
Interestingly, I cannot communicate via ssh from remote to proximate (within a secure shell from proximate to remote). If I execute /usr/sbin/sshd on proximate as root, then I can login, but even then I cannot execute any commands.
Consider the following output:
If I execute ssh -vvv proximate from remote to proximate, then I get a lengthy output that ultimately ends with "debug1: Exit status 254."
What must I do to communicate both text and graphics among my computers?
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Apr 6, 2010
I am trying to set up an NIS client on a Fedora Core 12 64-bit system. The ypbind daemon is running via the /etc/init.d/ypbind script. However, whenever I run the ypwhich command, the following error message appears on-screen:
[code]...
The client has been configured so the domain is set, and the client will broadcast for the first available nis server. The client is on a subnet where there is one nis slave server, so it should bind to that server. One thought that came to mind was the fact the client in question is 64-bit, while the nis slave is 32-bit. Could that cause this problem?
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Dec 7, 2010
I am unable to boot my laptop in the usual way. The fedora emblem in the centre of the screen appears and starts to turn from white to dark blue in the usual way. When it is almost complete it stops.
In order to make the machine boot i hit escape and a message says leaving interactive startup mode. At this point the machine continues to start up.
When i do manage to get it to boot i get the following message repeated many times:
I should also add... The laptop will not close down, once i click switch off the screen turns blue and displays the fedora emblem in the centre. At the top right text says "Shutting Down" but at this point the system hangs.
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Dec 18, 2010
I am testing with Suse Linux Enterprise Server 10 in a VMWare environment. I've installed two SLES10 servers, named sles1 and sles2. I can't get the two servers to communicate, even a simple ping won't work. The "Network Adapter" in VMWare is set to "bridged", a setting which has worked fine when installing WinXP in VMWare and connecting to the Internet. I have configured the Network Settings as follows:
SLES1:
-Statically assigned IP Address
-IP-address: 192.168.0.20
-Subnet: 255.255.255.0 (/24)
-Hostname: sles1
Hostname/DNS tab:
-Hostname: sles1
-Domain Name: local
-Name server: blank
Routing tab:
-Default Gateway: 192.168.0.1 (= my router connected to the Internet)
SLES2: same as sles1, with IP 192.168.0.22 and Hostname sles2
With these network settings, the two servers seem totally unable to communciate.
-When I ping sles2 from sles1, I always get the error message: connect: Network is unreachable
-Whatever way I ping, either ping sles2, ping sles2.local, ping 192.168.0.22, whatever, the error message is always the same.
-Even if I ping sles1 from sles1 (= "pinging myself"), I get the same error message.
-Only if I ping localhost, I get a proper ping result.
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Apr 26, 2010
I'm using Karmic since November and standby/sleep has always worked fine. Some weeks ago, it stopped working fine.
After a reboot, I can put the system in standby only once. If I try standby after that, the system seems to do a normal standby, but it resumes at the moment the fans would normally stop working.
I tried different things like the s2ram program, pmi action sleep, etc. I went to the BIOS and tried a number of things, one was succesfull: disable USB. When USB is disabled I can go into standby every time. When I enable USB again (even with no devices connected), standby only works once again.
So, how can I disable USB at the moment I go into standby?
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May 2, 2010
I can't get my SAT card to work anymore for I'm installed 10.04.It worked fine under 9.10.Any idea how I can debug or solve the issue.
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May 8, 2010
i am currently using an acer aspire one netbook and i saw the port on the side for a moniter. so i figured 'why not?'. i discovered why not. i restarted my system and the screen is all wierd i think if i can restore the default settings i'll be fine... i managed to log in but i can't see what i'm doing... i am running the most current stable release of ubuntu.
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Jun 22, 2010
If i use my Ubuntu some times per week, there isn't any problem. But if i don't use it for a short time (a week), when i want use it again and select it on GRUB.. after the first loading screen (on Ubuntu 10.04 the purple screen with Ubuntu in white and some points under), my screen is black. The computer screen is receiving signal because the led is green and not brown/orange like when is on standby mode. On Windows i haven't any problem.
First time it happened with Ubuntu 9.10. I didn't got solution for it and i format the partition and install the 10.04. But now it happen again with 10.04. I have an ATI 5770 and i have tried drivers since 9.12 till 10.4 (last ones the best i have had) On versions before 9.10 i had no problem, but i can't confirm that, because i had other graphic card (NVIDIA 9800GT). But the 5770 didn't work well on previous version so i updated to 9.10 and after this problem, updated to 10.04.
At spanish forum, people don't know solution for this problem, they never read about a similar problem. I hope you know a solution for it, because the only one i found and work is.. format and reinstall.
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Sep 2, 2010
without any warning, mouse clicks stopped having any effect. I can move the cursor without a problem. No apps are frozen and I can type at the command line. But mouse clicks have no effect. The same mouse was working fine before and it works fine in Windows. When I look in /var/log/messages, I see:ondemand governor failed, too long transition latency of HWfallback to performance governor [OK]I don't know if this is significant or not. The mouse is connected via USB. I'm running Lucid Lynx with all of the latest updates.
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Nov 7, 2010
I have a kind of weird problem on one of our servers. The server software was upgrade a couple times now and it went from 8.04 to 8.10 to 9.04 to 9.10 to eventually 10.04Now I'm 100% sure the current version should be 10.04 but all of the sudden an 'apt-get update' does not work anymore, so I dig some further why that could be...A simple 'cat /etc/lsb-release' gives me this answer
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=8.10
DISTRIB_CODENAME=intrepid
[code]....
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Nov 18, 2010
I just get the update today for flash and not it not work anymore how to go back to old version?
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Jan 14, 2010
Update 6th March 2010: Update to Kernel 2.6.31-20 SOLVED the problem. Recording works again (still wouldn't in kernels 2.6.31-17 to 2.6.31-19). If a kernel update doesn't solve your problem, please read post 14 on page 2 by Mocha which seems to have solved the problem for other users without updating the kernel
Update 8th February 2010 to Kernel 2.6.31-19 did not solve the problem, please also read post number 7 for more details.
Quick Conclusion for other users who might experience the same problem:
After an update to kernel version 2.6.31-17 in Ubuntu 9.10 Karmic Koala, my external microphone did not work anymore. Playback was possible, just recording would not work anymore, although there was quite some background noise in the headphones. This made it impossible for me to use Skype and/or Sound Recorder.
All the possible solutions offered below did not help in my case (although you might give them a try).
I switched back to kernel version 2.6.31-16 where the problem does not occur.
Output: cat /proc/asound/card0/codec#* | grep Codec
Realtek ALC662 rev1
I know there are lots of threads about this topic, but I have spent hours on this problem already and none of the solutions offered so far worked for me so I decided to start this thread.
I have been using Ubuntu 9.10 and so far, my external microphone worked flawlessly in Skype as well as in Sound Recorder. A few days ago, I received a call on Skype and all the guy on the other side could hear was loud noise. I can only play sound, but not record anymore (i.e. the microphone doesn't work anymore). I tried two different microphones just to be sure whether one was defective and also checked it in Windows (where they both work).
I am not sure what might have caused this problem, I just remember a kernel upgrade about that time (not sure whether this is the reason though). I use 2.6.31-17-generic now.
Here is what I have tried so far:
1) Right-click on the Sound Icon in the top right corner and checked the following: in the hardware tab, it is set to analog stereo duplex, input is set to internal audio analog stereo (no other choice here) and the mic is NOT muted (playing with the volume doesn't help either) and output is set to internal audio analog stereo (again, no other choice) and connector is set to analog output (here I can switch to analog headphones or analog speaker, but makes no difference).
I remember that I could choose between Microphone 1 and Microphone 2 in the input tab; this is somehow magically gone.
2) Installed padevchooser, tried several settings to no avail
3) When I use "alsamixer" (version 1.0.20) in a terminal, Playback>Master is set to 100<>100, Capture is set to 150<>150, lowering and/or playing with these figures doesn't help either.
When I use "alsamixer -Dhw:0" in a terminal, I get the same results as in step four.
4) In Gnome Alsa Mixer, only "Beep" is muted, everything else is set to max. I have Master, Headphon, PCM, Front, Front Mi (x2), Lin, Mic, Mic Boost, Capture (x2, set to record), Beep, Speaker
I have tried to mute/unmute different setting to no avail. Now I wonder why I have two Front Mi and two Capture entries. This is different than it used to be, might this be causing the problem?
5) Fiddling with Pulse Audio Volume Control didn't help either.
6) Had a look at "paman" (pulse audio manager), not sure whether I should change anything here.
7) Installed "linux-backports-modules-alsa-karmic-generic" and rebooted as recommended in several threads, did not help either.
Added the parameters "model=auto" and "probe_mask=1" to '/etc/modprobe.d/alsa-base.conf', did not work, so I deleted the entries again (hint from [url], see post 5)
Now I am at my wits end. I need my microphone to work, especially for Skype, otherwise I have to switch to Windows every time I receive or want to make a call which is definitely not a long-term solution?
Does anybody have an idea what might be causing this problem? As I said, it used to work flawlessly just a few days ago and now I don't even know what I should do next to make it work again...
Output of "amixer"
When I run "alsactl init" I get the following result which might be at least a part of the problem, but I wouldn't know how to solve this problem:
Unknown hardware: "HDA-Intel" "Realtek ALC662 rev1" "HDA:10ec0662,103c303a,00100101" "0x103c" "0x303a"
Hardware is initialized using a guess method
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