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• team viewer 8 beta wont run

  - by Conner Jones

  I installed team viewer 7 and then one of my friends using windows got version 8 so I installed the beta of version 8 for linux. When I try to run it for terminal I get these errors i atempted to do as the comment bellow said and when trying to run teamveiwer i stil got an error conner@DemonicGrace:~$ teamviewer Init... Checking setup... Launching TeamViewer... wine: cannot find L"C:\windows\system32\winemenubuilder.exe" err:wineboot:ProcessRunKeys Error running cmd L"C:\windows\system32\winemenubuilder.exe -a -r" (2) err:winedevice:ServiceMain driver L"MountMgr" failed to load err:secur32:SECUR32_initSchannelSP libgnutls not found, SSL connections will fail fixme:heap:HeapSetInformation (nil) 1 (nil) 0 fixme:ole:CoInitializeSecurity ((nil),-1,(nil),(nil),0,3,(nil),0,(nil)) - stub! fixme:heap:HeapSetInformation (nil) 1 (nil) 0 fixme:process:SetProcessShutdownParameters (00000100, 00000000): partial stub. fixme:resource:GetGuiResources (0xffffffff,0): stub fixme:win:EnumDisplayDevicesW ((null),0,0x32df64,0x00000000), stub! fixme:win:EnumDisplayDevicesW (L"\\.\DISPLAY1",0,0x32dc1c,0x00000000), stub! fixme:win:EnumDisplayDevicesW ((null),1,0x32df64,0x00000000), stub! please help me out if anyone has ideas im more than willing to listen

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• How to configure Logitech Marble trackball

  - by user27189

  You can configure it using xinput. I tested this in 11.10 and it works very nicely. This selection is from "Ubuntuwiki" Avoid using Hal for this release because it has known issues. Put the following into terminal, using gedit: Edit $HOME/bin/trackball.sh using this command: gedit $HOME/bin/trackball.sh Then paste this into the file: #!/bin/bash dev="Logitech USB Trackball" we="Evdev Wheel Emulation" xinput set-int-prop "$dev" "$we Button" 8 8 xinput set-int-prop "$dev" "$we" 8 1 # xinput set-int-prop "$dev" "$we" 8 1 # xinput set-int-prop "$dev" "$we Button" 8 9 # xinput set-int-prop "$dev" "$we X Axis" 8 6 7 # xinput set-int-prop "$dev" "$we Y Axis" 8 4 5 # xinput set-int-prop "$dev" "Drag Lock Buttons" 8 8 Make sure trackball.sh begins with #!/bin/bash. Make the script executable by running this: chmod +x $HOME/bin/trackball.sh` Add the following lines to $HOME/.bashrc, using gedit $HOME/.bashrc and put this in the file even if it is empty: xmodmap $HOME/.Xmodmap > /dev/null 2>&1 $HOME/bin/trackball.sh Edit $HOME/.Xmodmap using: gedit $HOME/.Xmodmap pointer = 1 8 3 4 5 6 7 9 Log out and back in and viola!

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• How do I get my programs to communicate with each other

  - by Benjamin Lindqvist

  I'm basically just getting started with programming. The problem I have with progressing is that I have a hard time learning stuff just for the sake of knowing them - I do better when there's a problem to be solved or a task to be completed so I can learn 'on the job'. So I'm interested in starting some interesting project. I know the basics of Python, Java, Matlab and some C++ aswell and I know enough about microcontrollers to make LED blink etc. The type of stuff I'm looking for is for example scraping some weather forecast site (with Python) and outputting the chance of rain to a LCD display, or a program that makes chrome open and log in to facebook if I say "HAL, time for facebook", or more generally, a program that reads serial/USB input, looks for certain sequences and sends instructions to some other program if it finds one. Do you open some kind of shared stream in which one program reads and one writes? What do I need to read up on to do accomplish this myself? I have no experience with linux or the linux terminal, but looking over peoples shoulders makes me suspect that's what people use. Is that correct?

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• my web cam not working prperly in skype 12.04

  - by elvin

  oller #1 (rev 02) 00:1d.1 USB controller: Intel Corporation 82801EB/ER (ICH5/ICH5R) USB UHCI Controller #2 (rev 02) 00:1d.2 USB controller: Intel Corporation 82801EB/ER (ICH5/ICH5R) USB UHCI Controller #3 (rev 02) 00:1d.3 USB controller: Intel Corporation 82801EB/ER (ICH5/ICH5R) USB UHCI Controller #4 (rev 02) 00:1d.7 USB controller: Intel Corporation 82801EB/ER (ICH5/ICH5R) USB2 EHCI Controller (rev 02) 00:1e.0 PCI bridge: Intel Corporation 82801 PCI Bridge (rev c2) 00:1f.0 ISA bridge: Intel Corporation 82801EB/ER (ICH5/ICH5R) LPC Interface Bridge (rev 02) 00:1f.1 IDE interface: Intel Corporation 82801EB/ER (ICH5/ICH5R) IDE Controller (rev 02) 00:1f.2 IDE interface: Intel Corporation 82801EB (ICH5) SATA Controller (rev 02) 00:1f.3 SMBus: Intel Corporation 82801EB/ER (ICH5/ICH5R) SMBus Controller (rev 02) 00:1f.5 Multimedia audio controller: Intel Corporation 82801EB/ER (ICH5/ICH5R) AC'97 Audio Controller (rev 02) 01:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL-8139/8139C/8139C+ (rev 10) 01:08.0 Ethernet controller: Intel Corporation 82562EZ 10/100 Ethernet Controller (rev 01) This is the configuration of my web cam when i typed lspci in terminal; how do i find out what type of cam it is. the command letters i wrote here may be wrong.never mind i wrote from my memory.my web cam shows green colour shade and no proper colour.pls help me to fix this problem.2nd option- if i buy microsoft web cam will the image will get corrected.i think my web cam is hyundai electronics make.

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• Creating a backup - Rsync - Connection refused (111)

  - by pablofiumara

  I am trying to create a backup of my website for free. I just want to have a backup of my website, including not only all files and the configuration but also the databases. I mean, a full backup. If it can be done automatically, it would be better. I feel there are better ways than using the cpanel to achieve that (actually, I believe sometimes web hosters does not have any cpanel). I read the following on how to do it: Automatically mirror the entire contents and configuration of your main server to a secondary backup server on a completely separate network in a different data centre. Use RSync, FXP, cPanel voodoo, or whatever method you wish to automate syncing. That is why I installed Rsync Daemon which is an alternative to SSH for remote backups. I configured it but the test went wrong. The terminal is showing me this: pablofiumara@pablofiumara-Lenovo-G470:~$ sudo rsync [email protected]::share [sudo] password for pablofiumara: rsync: failed to connect to pablofiumara.com (50.87.147.75): Connection refused (111) rsync error: error in socket IO (code 10) at clientserver.c(122) [Receiver=3.0.9] pablofiumara@pablofiumara-Lenovo-G470:~$ sudo rsync [email protected]::share failed to connect to 50.87.147.7 (50.87.147.7): Connection refused (111) rsync error: error in socket IO (code 10) at clientserver.c(122) [Receiver=3.0.9] What should I do? Is there a better or easier way to achieve what I wish (I mentioned this in the first paragraph)?

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• Ubuntu 12, chromium/chrome facebook not loading

  - by Grant

  this problem started with chrome, tried chromium to fix it. both have this problem, and after installed firefox no longer works with facebook. I found a threas with two fixes that work and what I need to know is how to make these fixes permanent. one is a cache permissions workaround. launching chromium from terminal with a redirect to a new self created cache in the home folder works. how can i repair the permissions issue with the cache or make a permanent change to the cache chromium uses? two, the ifconfig wlan0 mtu set to 1492, this setting doesnt seem to be perpetual after a reboot. this set of issues is I believe specific to my particular install as there isnt a huge issue from anyone else out there, i'm on a toshiba satellite laptop with a 50/50 HDD partition split with windows. This is likely causing the issue or contributing in some way but I wont run linux full time on this machine until I get these kinks a more permanent fix. Thanks in advance for any advice/answers.

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• Electricsheep Not Working in Raring 13.04

  - by Nhoeh37

  I just downloaded Electricsheep four days before I updated my Ubuntu software and I fell in love with it. After I upgraded to 13.04, I'm kind of upset in saying that Electricsheep no longer works. I have no idea how to fix it and I feel helpless with Linux. As I said, it was working completely fine in 12.10, but now with the Raring Ringtail update: I use Xscreensaver to launch Electricsheep. When I open Xscreensaver, "Electricsheep" is one of the options to choose. When I "preview" ES or even launch the "xscreensaver-demo" in the terminal, it doesn't work anymore; I get an error message. The error message says: "detected another electric sheep process. rendering of sheep is disabled using read only access." Damnit, can someone please help me? I want my trippy screensaver back, it shouldn't be this hard! EDIT: I contacted the creator of Electricsheep (Scott Draves) via the link to his email address on his personal website and asked for his assistance. Hopefully the Askubuntu community will be able to fix this problem, I'm sure I am not the only one who is having this problem as I have searched and searched.

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• How do I modify these VPN connection settings for Xfce?

  - by Dave M G

  I have signed up for a VPN (Virtual Private Network) service, and I configured it for use on my computer that runs Gnome Classic with the following instructions: In Terminal, install openvpn packages with sudo apt-get install network-manager-openvpn. 1. Restart the network manager with sudo restart network-manager 2. Run sudo wget https://www.xxxxxxx.com/ovpnconfigure.zip 3. Extract the files from the zip with unzip ovpnconfigure.zip. 4. Move cert.crt to /etc/openvpn 5. Open the Network Manager on the menu bar. 6. Choose add and select the OpenVPN connection type, and click Create. 7. Enter Private Internet Access SSL for the Connection Name. 8. Enter xxxxxx.xxxxxxxx.com for the Gateway 9. Select Password and enter your login credentials. 10. Browse and select the CA Certificate we saved in Step 3. 11. Choose Advanced and enable LZO Compression. 12. Apply and exit. 13. Connect using the Network Manager. It worked, but now I want to set up access to the same VPN service on another machine that runs Mythbuntu, which uses Xfce as its desktop manager. So every point from 5 on doesn't apply. How can I modify the above instructions so that I can get my VPN service working with Xfce. As a further note, while I can access the Xfce desktop directly if I need to, it's more convenient for me to access it via the command line and SSH from on of my other computers. A command line process would be ideal. (I looked for this, and found instructions only for PPTP access, whereas I need OpenVPN.)

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• Dependencies not met on 12.04?

  - by Mochan

  Now I'm very aware that there are many questions out there that are quite similar to what I'm experiencing, but I have looked through many and I have not found a suitable answer. You are welcome to suggest questions that are similar, but I doubt that it will help. Getting on to the issue at hand, whenever I do anything that involves installation, whether it be codecs for videos, new programs or whatever the latter, I always get the 'Dependencies not met' error. In addition, I also get this notification in the panel: When clicked, the menu says this: "An error occurred. Please run Package Manager from the right-click menu or run apt-get in a terminal to see what is wrong. The error message was: ' Error: Broken Count 0'. This usually means your installed packages have unmet dependencies." It gives me three items to click: Show Updates Install all updates Check for Updates And then finally: Show Notifications (with a tick) Preferences When I try 'Install all Updates' (also Check Updates Install) it says this: and also this: As well as 'Ubuntu has experienced an internal error' and 'Did this error occur when moving from one version of Ubuntu to another?' (I clicked NO, because it didn't). So I took it's advice and ran sudo apt-get install -f This is what results: Reading package lists... Done Building dependency tree Reading state information... Done Correcting dependencies... Done The following extra packages will be installed: libapt-pkg4.12:i386 The following packages will be upgraded: libapt-pkg4.12:i386 1 upgraded, 0 newly installed, 0 to remove and 87 not upgraded. 1 not fully installed or removed. Need to get 0 B/941 kB of archives. After this operation, 0 B of additional disk space will be used. Do you want to continue [Y/n]? Y E: Internal Error, No file name for libapt-pkg4.12 When running sudo apt-get update it's all fine, but running sudo apt-get install -f still results in the same thing. I really have no idea what to do... can anyone help me?

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• Automatically revert to laptop screen when external monitor unplugged

  - by Ryan

  I regularly use an external monitor with my laptop, so when I use it, I usually have the laptop screen disabled when the monitor is connected, and this seems to cause problems when the monitor is disconnected. If the monitor is connected while the laptop screen is disabled, I can't get the X session to show up at all: I can Ctrl+Alt+F1 to open a terminal, and that works fine.. ..but Ctrl+Alt+F7 does nothing. The display is blank, and stays blank. The same thing happens whether I put the computer to sleep with the monitor connected, or if I disconnect while the computer is still awake. Rebooting the computer fixes the issue, as does killing Xorg and starting it again, but both of those are sub-optimal since I lose my current session. I'm currently using the open source graphics driver (xserver-xorg-video-ati). This question looks like it might answer my question, but unfortunately hwinfo is no longer available in the apt repository. Is there a way with current tools to automatically detect when the external monitor is disconnected and switch to the laptop display?

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• Keyring no longer prompts for password when SSH-ing

  - by Lie Ryan

  I remember that I used to be able to do ssh [email protected] and have a prompt asks me for a password to unlock the keyring for the whole GNOME session so subsequent ssh wouldn't need to enter the keyring password any longer (not quite sure if this is in Ubuntu or other distro). But nowadays doing ssh [email protected] would ask me, in the terminal, my keyring password every single time; which defeats the purpose of using SSH keys. I checked $ cat /etc/pam.d/lightdm | grep keyring auth optional pam_gnome_keyring.so session optional pam_gnome_keyring.so auto_start which looks fine, and $ pgrep keyring 1784 gnome-keyring-d so the keyring daemon is alive. I finally found that SSH_AUTH_SOCK variable (and GNOME_KEYRING_CONTROL and GPG_AGENT_INFO and GNOME_KEYRING_PID) are not being set properly. What is the proper way to set this variable and why aren't they being set in my environment (i.e. shouldn't they be set in default install)? I guess I can set it in .bashrc, but then the variables would only be defined in bash session, while that is fine for ssh, I believe the other environment variables are necessary for GUI apps to use keyring.

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• Memory limiting solutions for greedy applications that can crash OS?

  - by Hooked

  I use my computer for scientific programming. It has a healthy 8GB of RAM and 12GB of swap space. Often, as my problems have gotten larger, I exceed all of the available RAM. Rather than crashing (which would be preferred), it seems Ubuntu starts loading everything into swap, including Unity and any open terminals. If I don't catch a run-away program in time, there is nothing I can do but wait - it takes 4-5 minutes to switch to a command prompt eg. Ctrl-Alt-F2 where I can kill the offending process. Since my own stupidity is out of scope of this forum, how can I prevent Ubuntu from crashing via thrashing when I use up all of the available memory from a single offending program? At-home experiment*! Open a terminal, launch python and if you have numpy installed try this: >>> import numpy >>> [numpy.zeros((10**4, 10**4)) for _ in xrange(50)] * Warning: may have adverse effects, monitor the process via iotop or top to kill it in time. If not, I'll see you after your reboot.

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• Netbook Remix 10.04 to 10.10 upgrade using alternate iso

  - by Suman Subramonian

  I'm using Netbook Remix 10.04 now. I'm having the 10.10 alternate iso with me. If I use that iso to upgrade, will I lose my netbook version? I've seen in some forums that the upgrade resulted in a change from netbook version to desktop version. Updated on 15/12/2010 I upgraded the OS from 10.04 to 10.10. But I'm getting an error like this after restart: modprobe: FATAL: Could not load /lib/modules/2.6.35-22-generic/modules.dep: No such file or directory I searched in the forums and got a solution like this: Open Terminal gksudo gedit /etc/initramfs-tools/initramfs.conf change the line MODULES=most to MODULES=dep Then use Synaptic (SystemAdministrationSynaptic Package Manager) to reinstall initramfs-tools. I'll be definitely trying this later. After that when the system tries to login, my screen starts flashing with just the ubuntu netbook desktop wallpaper on the screen. No other options will be available. It will be flashing continuosly. If I press the power button then one window comes up with options like Shut down, Restart, Hibernate etc. And the screen won't stop flashing either. I've uploaded a 1 min video. Please go through it as it will give you a clear idea of the error which I'm facing now Video Link Here

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• Media Drive Permissions

  - by Wade Wofford

  I just switched from a Hackintosh to Linux, and am trying to make sense of it. On my hackintosh, I partitioned a big drive into 3 parts--1 which holds music, 1 for film/tv, and one for the OS. I installed Ubuntu onto the OS partition, and am now trying to make it so I can write to the media drives. I've searched around and tried several things. I tried gksu nautilus in Terminal, which brought me into root permissions. When I select a folder and try to change permissions, I get "The owner could not be changed...Error setting owner: Read-only file system" Ultimately, I have two specific aims: - I want to make it so I can write to the film/tv drive from the ubuntu machine only - I want to make it so I can write to the music drive from the ubuntu machine, or any other machine on the network (all Macs). That is, I want a single music library (an iTunes file) that will serve all Mac laptops/iPads/iPhones on the network, but which XBMC on the Ubuntu machine can also see / read from. Music will be added to the iTunes library via a single Mac laptop, but all other devices should be able to see the music drive.

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• Update usb Driver

  - by Enrico Caponi

  i just now start to use Xubuntu, and i install Xubuntu on my second laptop i had in my garage, just for put back in use. On the ASUS xubuntu work really perfect but now after i put on my old laptop i have some little proble. My Laptop old is a Fujitsu Siemens AMILO L7310GW, i explain my problem: The installation works fine, everything is quite good but there are few little problem i have a know idea, how I can fix them... so USB: i have a optical mouse usb and works quite strage, when i tip on terminal "lsusb" the system recognized fine my mouse but the strange thing is the mouse it move like jump around the desktop. what i had done: - update the usbdrive - change mouse - tried mouse on different pc and on both they work fine another problem i don't know where came from: when i take off my mouse, and try to put back doesn't work at all, if i want back i have to restart the OS. and no usb pen or other ar working so for that i think is usb problem. i can tell before Xubuntu whit winXP the usb work fine, but i don't want windows anymore... So i tried almost everything you can find on the net, maybe i have done something wrong so please help me. I tried also to install the new version 12.04, but i came back for the 11.10.

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• Why does Ubuntu 13.10 not detect my Win7 partition?

  - by goutham

  I'm trying to install Ubuntu 13.10 alongside Windows 7 on my DELL INSPIRON 14z 5423 laptop and I'm new to all of this. I'm using the Ubuntu 13.10 64-bit ISO burned onto a CD. The first time I tried to install it, Ubuntu said it did not detect any other OS, which meant I only had 4 options: Erase disk and install Ubuntu (I don't want to do this) Encrypt new Ubuntu. Use LVM. Something else. If I choose the Something else option, it brings me to the partition menu and says that I have 1 disk with free space of (500Gb), but that's not true because I have Windows 7. I restarted the laptop several times and booted the CD again and I got exactly the same as I did previously. How do fix this problem and install Ubuntu alongside Windows 7? After executing "sudo fdisk -l" command in terminal ubuntu@ubuntu:~$ sudo fdisk -l WARNING: GPT (GUID Partition Table) detected on '/dev/sda'! The util fdisk doesn't support GPT. Use GNU Parted. Disk /dev/sda: 500.1 GB, 500107862016 bytes 255 heads, 63 sectors/track, 60801 cylinders, total 976773168 sectors Units = sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 4096 bytes I/O size (minimum/optimal): 4096 bytes / 4096 bytes Disk identifier: 0xd2b811c5 Device Boot Start End Blocks Id System /dev/sda1 * 2048 206847 102400 7 HPFS/NTFS/exFAT /dev/sda2 206848 314574847 157184000 7 HPFS/NTFS/exFAT /dev/sda3 314574848 629147647 157286400 7 HPFS/NTFS/exFAT /dev/sda4 629147648 976771071 173811712 7 HPFS/NTFS/exFAT After removing one partition I executed command once again ubuntu@ubuntu:~$ sudo fdisk -l WARNING: GPT (GUID Partition Table) detected on '/dev/sda'! The util fdisk doesn't support GPT. Use GNU Parted. Disk /dev/sda: 500.1 GB, 500107862016 bytes 255 heads, 63 sectors/track, 60801 cylinders, total 976773168 sectors Units = sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 4096 bytes I/O size (minimum/optimal): 4096 bytes / 4096 bytes Disk identifier: 0xd2b811c5 Device Boot Start End Blocks Id System /dev/sda1 * 2048 206847 102400 7 HPFS/NTFS/exFAT /dev/sda2 206848 629145599 314469376 7 HPFS/NTFS/exFAT /dev/sda3 629147648 976771071 173811712 7 HPFS/NTFS/exFAT

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• Error while installing Komparator4

  - by Lucio

  I downloaded Komparator source from this page. The INSTALL file in the source say the following: Unpack komparator4-xxx.tar.bz2, and open a shell inside this directory mkdir build cd build cmake -DCMAKE_INSTALL_PREFIX=`kde4-config --prefix` .. make sudo make install I unpacked the file, make the directory, entered this, but when I have tried to cmake (sentece Nº3) the terminal print the following errors disabling me to make & install: CMake Error at /usr/share/cmake-2.8/Modules/FindKDE4.cmake:98 (MESSAGE): ERROR: cmake/modules/FindKDE4Internal.cmake not found in /home/lucio/.kde/share/apps;/usr/share/kde4/apps Call Stack (most recent call first): CMakeLists.txt:2 (find_package) CMake Warning (dev) in CMakeLists.txt: No cmake_minimum_required command is present. A line of code such as cmake_minimum_required(VERSION 2.8) should be added at the top of the file. The version specified may be lower if you wish to support older CMake versions for this project. For more information run "cmake --help-policy CMP0000". This warning is for project developers. Use -Wno-dev to suppress it. -- Configuring incomplete, errors occurred! What mean this errors and how can I fix it?

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• Logitech C510 HD Webcam related question

  - by Ashfame

  I am going to buy Logitech C510 HD webcam and I just checked on other questions here on AskUbuntu that it works out of the box with cheese. My question is can it be limited in any functionality that I would like to do with it? I would like it to be used with everything - Skype, Gtalk video chat, Facebook, Youtube etc I would like the ability to record or do a video call in lesser resolution video (its a 720p one). Also since I read that I should have a Core2Duo 2.2Ghz for 720p but I have a 2.0Ghz one, would it be possible for me to first record it and then encode it after recording if my processor really start giving issue when doing on-the-fly encoding? Anything else that I should consider? I also have a ATI HD 4850 512MB card, if it can help in encoding on-the-fly or is there a chance that my graphics card alone can handle it and those specs were just for a system without a graphics card? I believe so. Also, I got no worries in dealing with console, if I have to do some of the things above in terminal. Other possible significant details: I have a dual screen setup 29" (1360X768) & 22" (1680X1050) which might be using some good power from GPU and I have 2GB DDR2 800Mhz RAM.

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• Hybrid Graphics on Ubuntu 12.04 switching to discrete

  - by cfstras

  I have a Sony Vaio VPCCB-27FX with hybrid graphics. Using vgaswitcheroo enables me to switch my discrete card off to save power. Now when i want to switch to the discrete card for performance, my system freezes. I already tried logging out and killing x with service lightdm stop, but still, it freezes as soon as I echo DIS > switch. typing blindly, echo IGD > switch returns me to my console where it reads [ 179.555171] i915: switched off, but it seems the discrete card never gets switched on... running echo DDIS > switch gives me the following: [540....] [drm:atop_op_jump] *ERROR* atombios stuck in loop for more than 5secs aborting [540....] [drm:atom_execute_table_locked] *ERROR* atombios stuck executing CEE2 (len 62, WS 0, PS 0) @ 0xCEFE [540....] [drm:atom_execute_table_locked] *ERROR* atombios stuck executing BBF6 (len 1036, WS 4, PS 0) @ 0xBCF3 [540....] [drm:atom_execute_table_locked] *ERROR* atombios stuck executing BB8C (len 76, WS 0, PS 0) @ 0xBB94 [541....] [drm:r600_RING_TEST] *ERROR* radeon: ring test failed (scratch(0x8504)=0xFFFFFFFF) [541....] [drm:evergreen_resume] *ERROR* evergreen startup failed on resume after that, the atombios part repeats a few times. also, the terminal locks up again and sysrq+REISUB is my only rescue. Has anybody an idea how I can switch to my discrete card without the system locking up? #uname -srvmpio Linux 3.2.0-24-generic #39-Ubuntu SMP Mon May 21 16:52:17 UTC 2012 x86_64 x86_64 x86_64 GNU/Linux #lsb_release -r Description: Ubuntu 12.04 LTS

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• Is chroot the right choice for my use case?

  - by Anthony

  Backstory: I am working on setting up a MineCraft server and want to allow admins to have ssh access to the MineCraft server console and appropriate mc server files, but not the whole system. The console provided by the minecraft server is only available to the user that launched the process. In addition, the admins will need terminal access to some basic cli tools such as wget, cp, mv, rm, and a text editor. Plan: I have already setup the ssh aspect of things, requiring pre-shared keys and whatnot. Setup a jailed environment in which all user activity will be contained. Setup user accounts. - The first user account will be the minecraft user. The minecraft user will start the MC server in a multiuser screen session and allow the other admins to attach to it. - Subsequent users should have their own /home directory for normal usage. Setup acl for the appropriate files to allow each user to edit the mc server files. No one will be doing system updates, nor will anyone be installing any programs, so I'll be the only user with sudo. The Issues: I don't want the ssh users to have access to the whole system. Users will still need to use wget or curl to update the mc server files. Is chroot the right tool for this use case, or is there something more appropriate for the job? I have no experience setting up a chroot environment and have found several tools to aid in this process. Jailkit seems to be the most robust, but it's not in the standard repos.

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• VMware Kernel Module Updater hangs on Ubuntu 13.04

  VMware Player has a nice auto-detection of kernel changes, and requests the user to compile the required modules in order to load them. This happens from time to time after a regular update of your system. Usually, the dialog of VMware Kernel Module Updater pops up, asks for root access authentication, and completes the compilation. VMware Player or Workstation checks if modules for the active kernel are available. In theory this is supposed to work flawlessly but in reality there are pitfalls occassionally. With the recent upgrade to Ubuntu 13.04 Raring Ringtail and the latest kernel 3.8.0-21 the actual VMware Kernel Module Updater simply disappeared and the application wouldn't start as expected. When you launch VMware Player as super user (root) the dialog would stall like so: VMware Kernel Module Updater stalls while stopping the services Prior to version 5.x of VMware Player or version 7.x of VMware Workstation you would run a command like: $ sudo vmware-config.pl to resolve the module version conflict but this doesn't work anyway. Solution Instead, you have to execute the following line in a terminal or console window: $ sudo vmware-modconfig --console --install-all Those switches are (as of writing this article) not documented in the output of the --help switch. But VMware already documented this procedure in their knowledge base: VMware Workstation stops functioning after updating the kernel on a Linux host (1002411). Update As of today I had the first kernel upgrade to version 3.8.0-22 in Ubuntu 13.04. Don't even try it without vmware-modconfig...

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• Best Usage of Multiple Computers For a Developer

  - by whaley

  I have two Macbook Pros - both are comparable in hardware. One is a 17" and the other a 15". The 17" has a slightly swifter CPU clock speed, but beyond that the differences are completely negligible. I tried a setup a while back where I had the 17" hooked up to an external monitor in the middle of my desk with the 15" laptop immediately to the right of it, and was using teleport to control the 15" from my 17". All development, terminal usage, etc. etc. was being done on the 17" and the 15" was primarily used for email / IM / IRC... or anything secondary to what I was working on. I have a MobileMe account so preferences were synced, but otherwise I didn't really use anything else to keep the computers in sync (I use dropbox/git but probably not optimally). For reasons I can't put my finger on, this setup never felt quite right. A few things that irked me was the 15" was way under-utlized and the 17" was overutilized having 2 laptops and a 21" monitor all on one desk actually took up lots of desk space and it felt like I had too much to look at. I reverted back to just using the 17" and the external monitor and keeping the 15" around the house (and using it very sparingly). For those of you who are using multiple laptops (or just multiple machines for that matter), I'd like to see setups that work for you for when you have 2 or more machines that gives you optimal productivity and why. I'd like to give this one more shot but with a different approach than my previous - which was using the 15" as a machine for secondary things (communication, reading documentation, etc. etc).

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• 404 Errors in ubuntu 13.10

  - by Levan

  Just installed ubuntu 13.10 I did apt-update in terminal and sow this Err http://ppa.launchpad.net /ubuntu/saucy amd64 Packages 404 Not Found Err http://ppa.launchpad.net /ubuntu/main amd64 Packages 404 Not Found Err http://ppa.launchpad.net /ubuntu/saucy i386 Packages 404 Not Found Err http://ppa.laun W: Failed to fetch http://ppa.launchpad.net/ubuntu-wine/ppa/dists//ubuntu/saucy/binary-amd64/Packages 404 Not Found W: Failed to fetch http://ppa.launchpad.net/ubuntu-wine/ppa/dists//ubuntu/main/binary-amd64/Packages 404 Not Found W: Failed to fetch http://ppa.launchpad.net/ubuntu-wine/ppa/dists//ubuntu/saucy/binary-i386/Packages 404 Not Found W: Failed to fetch http://ppa.launchpad.net/ubuntu-wine/ppa/dists//ubuntu/main/binary-i386/Packages 404 Not Found E: Some index files failed to download. They have been ignored, or old ones used instead. I do not understand why am I getting this errors wine's ppa shows that 13.10 is available and the above I even do not know what is it ?? any help how to fix this grep -rn "ubuntu-wine" /etc/apt/sources* /etc/apt/sources.list.d/ubuntu-wine-ppa_-saucy.list:1:deb http://ppa.launchpad.net/ubuntu-wine/ppa /ubuntu saucy main /etc/apt/sources.list.d/ubuntu-wine-ppa_-saucy.list:2:# deb-src http://ppa.launchpad.net/ubuntu-wine/ppa /ubuntu saucy main

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• ERP/CRM Systems. Desktop Based ? Web based? [closed]

  - by Parhs

  I have seen 2-3 ERPs in action. I am wondering what is better. Desktop based application or webbased displayed on a browser. My first experience was with a web based ERP when i was 14 years old.. It was web based and terribly slow... For most simple task you had to do lots of clicks... no keyboard support ..... Pages took ages to load. Last year I worked for migrating to a newer computer some old terminal based cobol application. The computer that worked till today and still has no problem was from 1993. The user interface ofcourse was textbased.. The speed that guys placed orders was amazing! just typing the name of the customer , then 5-10 keys to add a product to order.... Comparing to this ERP the page for placing orders Link (click sales orders) seems terribly slow to add a product... No keyboard shortcut works to save what you added and generally I believe you need 4 times more time to place an order compared to the text interface... Having to use both mouse and keyboard for this task is BAD and sadistic... So how can the heck these people ever use a system like that ??? So in the long run desktop application seems the only way... Of course browsers support shortcuts but the way to overide the defaults that browsers uses isn't cross compatible... That is a huge problem. Finnaly, if we MUST/forced use cloud in near future what about keyboard shortcuts?? I feel confused... I have seen converters of desktop applications to browser applications but are SLOW as hell... The question is what about user friendliness? What kind of application would you use?

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• Install tmux on Mac OS X

  - by unixben

  This is a short run down on how to get tmux running on your Mac OS X system. The same methodology applies when compiling this on Solaris. What is tmux? According to the developer's page, "tmux is a terminal multiplexer: it enables a number of terminals (or windows), each running a separate program, to be created, accessed, and controlled from a single screen. tmux may be detached from a screen and continue running in the background, then later reattached". Why not just use screen? For me, the primary reason I switched to tmux from screen is the much easier configuration syntax that tmux offers. If you've ever struggled with formatting screen's caption or hardstatus line, then you will appreciate the ease with which you can achieve the same results in tmux. Preparing your environment You will need a C compiler installed. I believe that OS X ships by default with GNU make, but if not, then you will need to obtain it or use Xcode. Download the sources While I'm putting all this together, I like to keep everything neatly tucked away in a build directory. mkdir ~/build cd ~/build curl -OL http://downloads.sourceforge.net/tmux/tmux-1.5.tar.gz curl -OL http://downloads.sourceforge.net/project/levent/libevent/libevent-2.0/libevent-2.0.16-stable.tar.gz Unpack the sources tar xzf tmux-1.5.tar.gz tar xzf libevent-2.0.16-stable.tar.gz Compiling libevent cd libevent-2.0.16-stable ./configure --prefix=/opt make sudo make install Compiling tmux cd ../tmux-1.5 LDFLAGS="-L/opt/lib" CPPFLAGS="-I/opt/include" LIBS="-lresolv" ./configure --prefix=/opt make sudo make install That's all there is to it!

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