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• RAM Cache always full

  - by Tobias

  I have 6GB RAM, i5 2.4GHZ Processor running Ubuntu 11.10. When streaming online or opening several tabs in Chromium I soon have 4GB Memory in the cache. And this makes my Notebook slow. When streaming a video, after a few minutes it really slows down and stumbles/jerks. I partitioned my HD so that I have 8GB swap. What could the problem be? How can I solve this? P.s: initially I had 4gb and recently upgraded to 6GB, but I did not experience a significant change. P.P.S: if I enter "free -g" in the terminal this is the result: total used free shared buffers cached Mem: 5 2 3 0 0 0 -/+ buffers/cache: 1 4 Swap: 8 0 8

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• How to install a Logitech c310 webcam?

  - by Teja

  I bought a new Logitech C310 webcam.i dont know how to install webcam on ubuntu.am trying to install this software through the terminal window. wine /media/LWS_2_0/Setup.exe but its showing as fixme:ole:TLB_ReadTypeLib Header type magic 0x00905a4d not supported. err:ole:TLB_ReadTypeLib Loading of typelib L"Z:\\media\\LWS_2_1\\MSetup.exe" failed with error 0 and its opening a window with data as "We have detected you have connected your webcam to a USB1.1 port,for the best performance and full feature set,we suggest using a USB2.0 port" I tried this all the USB ports available in my system.its showing the same error. Please tell me how to install this webcam on ubuntu 11.10. Thanx for reading.

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• Coolbits not working

  - by usk

  I want to use coolbits to increase fan speed of my Fermi GPU. 280.13 driver installed. Ubuntu 11.10 I edited /etc/X11/xorg.conf as follows, by pressing Alt+F2 and gksu gedit /etc/X11/xorg.conf I get Section "Device" Identifier "Device0" Driver "nvidia" VendorName "NVIDIA Corporation" BoardName "GeForce GTX 470" Option "NoLogo" "True" Option "Coolbits" "4" EndSection Started getting these messages, Gtk-WARNING **: Unable to locate theme engine in module_path: "pixmap" So I did this, sudo aptitude install gtk2-engines-pixbuf terminal, a@z:~$ nvidia-settings -a [gpu:0]/GPUFanControlState=1 a@z:~$ nvidia-settings -q fans 1 Fan on z:0 [0] z:0[fan:0] (Fan 0) a@z:~$ nvidia-settings -a [fan:0]/GPUCurrentFanSpeed=80 ERROR: Error assigning value 80 to attribute 'GPUCurrentFanSpeed' (z:0[fan:0]) as specified in assignment '[fan:0]/GPUCurrentFanSpeed=80' (Unknown Error). So, it's not working; I can't enter the fan speed percentage. Also from NVidia X Server, there are no fan controls. http://en.gentoo-wiki.com/wiki/Nvidia#Manual_Fan_Control_for_nVIDIA_Settings

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• How do I mount this HDD?

  - by Casval Deikun

  I have a Windows HDD attached to an external docking bay on my Ubuntu System, but the HDD brings up an error message: Mounting exited with exit code 14:windows is hibernated, refused to mount. Failed to mount '/dev/sde2':Operation not permitted. The NTFS partition is hibernated. Please resume and shutdown windows properly or mount the volume read-only with the 'ro' mount option, or mount the volume read-write with the 'remove_hiberfile' mount option. For example type in command line: mount -t ntfs-3g-o remove_hiberfile/dev/sde2/media/FE46D60C46D5C615 I am at a loss for exactly how to remove the hiberfile, or even mount it as read-only or read-write. I tried directly copy and pasting that exact command into my terminal, but it said: mount:only root can do that I do not know what to do at this point. I do need to get the information off of this drive, but I do not have a computer to put it in. Does anyone know what I should do from here?

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• How can I allow unprivileged users to shutdown from the panel? (no sudo)

  - by potofcoffee

  I set up an old PC with Edubuntu 12.04 for my girls, with an admin account for myself and normal user accounts for both of them. Unfortunately, they are not able to shut down the computer by themselves with this configuration. Choosing shutdown from the (Unity) panel menu will log them out, but that's it. How do I give them shutdown privileges? Please note that they are 5 and 7 years old and just starting to find their way around a computer. Solutions that would require them to open a terminal and sudo whatever are not helpful -- and I don't want them to be able to sudo anything, anyway. I need the panel menu entry "Shutdown" to work for them.

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• Backup files with rsync: error 23

  - by maria

  Hi I'm trying to make a backup of my /home to transfer all data from one computer to another. I wanted to save the backup on the same computer and than transfere it to another one. For safety reasons, I'm trying to learn how does it work on the computer without a lot of data (the new one) to be sure I won't delete something instead of copying it. I've run in terminal: sudo rsync -avz /home/maria /home/guest/backup and I had as the result: sent 58797801 bytes received 23050 bytes 4705668.08 bytes/sec total size is 100202958 speedup is 1.70 rsync error: some files/attrs were not transferred (see previous errors) (code 23) at main.c(1060) [sender=3.0.7] I've tried once again, with the same result. I have no idea, which files were not transferred, what makes the whole backup useless for me (I wanted to do it automatically in order not to forget about something and loose it). On both computers I have the same system (Ubuntu 10.04). Rsync version: 3.0.7-1ubuntu1. Thanks for any tips

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• Schedule sending mail of a log file content

  - by user3215

  I have postfix mail agent installed and I've configured gmail relay and I could send mails from the terminal as below: root@statino1:~# mail -s "subject_here" [email protected] CC: <hit enter for empty cc> Type the mesage here press Ctrl+d I have to send a log file contents as a mail and schedule it to run everyday. How do I send log file contents as mail message, how do I automate the inputs of mail command? so that I can schedule it. Anybody has any idea?

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• What are the options for setting up a UNIX environment to learn C using Kernighan and Richie's The C Programming Language?

  - by ssbrewster

  I'm a novice programmer and have been experimenting with Javascript, jQuery and PHP but felt I wasn't getting a real depth of understanding of what I was doing. So, after reading Joel Spolsky's response to a question on this site (which I can't find now!), I took it back to basics and read Charles Petzold's 'Code' and am about to move onto Kernighan and Richie's The C Programming Language. I want to learn this in a UNIX environment but only have access to a Windows system. I have Ubuntu 12.04 running on a virtualised machine via VMWare Player, and done some coding in the terminal. Is using a Linux distro the only option for programming in a UNIX environment on Windows? And what are the next steps to start programming in C in UNIX and where do I get a compiler from?

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• "Cannot import name genshi" error when installing the Swab library

  - by ATMathew

  I'm trying to install the Swab library for Python 2.6 in Ubuntu 10.10. However, I get the following error messages when I try to import it. In the terminal I ran: sudo easy_install swab sudo easy_install Genshi In the Python interpreter I ran: >>> import swab Traceback (most recent call last): File "<stdin>", line 1, in <module> File "/usr/local/lib/python2.6/dist-packages/swab-0.1.2-py2.6.egg/swab/__init__.py", line 23, in <module> from pestotools.genshi import genshi, render_docstring ImportError: cannot import name genshi I don't know whats going on. can anyone help.

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• Packard Bell Easynote NJ65 not saving gamma Setup.

  - by Pablo Gomez

  Hi. There seems to be a issue with the Easynote range of PB laptops. Since Ubuntu 10.10 does not use a Xorg.conf file to save your gamma / resolution /brightness setting, everytime I turn on my laptop I have to open up a terminal window and use the x-gamma command to set it up to my personal preference. Is there a way to create a configuration file which can save that into the system everytime I load up the OS? When I used to have a Compaq Presario (an F564LA with integrated nVIDIA graphics), I could save a config. file into the system which loaded up everything on startup To those who don't know the spec's for a NJ65 laptop, I'll provide them Processor: Intel® Pentium Dual Core @ 2.2 GHZ Video: Integrated Intel® GMA 4500MHD graphics HDD: 320GB SATA RAM: 2GB DDR2

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• Low graphics mode on Ubuntu 12.04 with Intel Graphics

  - by NightShadeQueen

  When I boot, my computer just tells me it can't detect graphic card (or something else) settings and it has to use the low graphics mode. Then it gives me four choices, but doesn't let me choose any of them. I can get my computer to boot by going to some sort of terminal mode and then typing sudo gdm. The other graphics manager I have is lightdm. I originally had the nVidia propriety driver, and I've tried bumblebee. Mobile Intel Graphics Media Accelerator 4500M is my graphics card. Is there any way to fix this so I can use lightdm again?

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• fglrx installation without success

  - by Lucio

  I followed the steps of this guide and it doesn't work. I've entered the following command and I had an output with dependencies error. sudo dpkg -i fglrx*.deb So I tried with gdebi instead, and it works. Now fglrx & fglrx-amdcccle & fglrx-dev are installed. The next step is Generate a new /etc/X11/xorg.conf file, but I can't do this due to the following reason: When I enter sudo aticonfig --initial -f the terminal show me this output: sudo: aticonfig: command not found I've installed the packages correctly or not? What I have to do to fix the problem? NOTE: I've not uninstalled nothing (drivers, config., etc.) before beginning the installation.

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• Oracle sort Oracle Application Express 4.2, son outil de développement rapide intégré à Oracle Database

  Oracle Application Express, l'outil de développement rapide d'Oracle est désormais disponible en version 4.2. Cet outil, intégré à Oracle Database sans coût supplémentaire, permet de développer des applications Web exploitant les données d'une base Oracle. Cette mise à jour est très centrée vers le mobile et apporte un certain nombre de nouveautés pour le développement d'applications mobiles avec APEX. Notons en particulier :Le rendu des applications qui s'adaptent pour proposer une interface adaptée au terminal mobile utilisé L'utilisation de jQuery Mobile qui permet la compatibilité sur la majorité des terminaux sans modification La possibilité de créer des graphiques en HTML5 pour les terminaux ne disposant pas de Flash L'utilisat...

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• After the upgrading to 13.10, I can't input Japanese and Chinese in Emacs

  - by oda

  I have just upgraded Ubuntu from 13.04 to 13.10. It seems iBus have been made big changes.Then I just go to system setting - text entry settings - add "Chinese pinyin" and "Japanese anty" input method. It works well when I input Chinese or Japanese in terminal or .txt file. But when I want to input Chinese and Japanese in Emacs. Even though I have enable ibus-mode in the buffer and change to Chinese pinyin or Japanese anty input method. It just output the English word. Below is the ibus configure in .emacs.By the way, It works well before I upgrade Ubuntu to 13.10 and Emacs to 24.3.1. (add-to-list 'load-path (concat my-emacs-path "/ibus-el-0.3.2")) ;;(setq ibus-python-shell-command-name "python2.7") (require 'ibus) ;; Turn on ibus-mode automatically after loading .emacs (add-hook 'after-init-hook 'ibus-mode-on) (setq ibus-cursor-color '("red" "blue" "limegreen"))

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• file acess slow after deletion of many files

  - by stefan

  I recently accidentally created millions of files in one folder (rougly 5 million) and due to limitations I couldn't process them correctly (maximum argument count exceeded for wc / ls and such stuff). So I deleted them, which took quite a while, but now they're gone. I deleted the files with a regular rm. It weren't any system files. So the files are definitively deleted, but the system is very slow on file stuff now. ls, cat and auto-complete by pressing tab freezes the terminal for several seconds. Is this some sort of fragmentation issue? Is it an issue with the files beeing still somehow present?

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• How to properly add webapps to unity on 13.10

  - by Germano Lisboa

  I'm new to ubuntu, and one of the features that made the change from windows was the integrated webapps. I installed ubuntu 13.10, installed the unity-webapps-service and the unity-chromium-extension via terminal. Once I opened Gmail, facebook, google docs, etc... they all offered me to install it on ubuntu. But all I get is the icon on the applications menu, there's no integration with the top bar or the HUD. Does anyone know how can I solve this?

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• Supertuxkart not able to start

  - by subeh.sharma

  Was working fine before i played around with NVIDIA drivers and ended up with this problem. I tried running it through the terminal and i see these messages: subsharm@subsharm-ThinkPad-T61:~$ supertuxkart Irrlicht Engine version 1.7.2 Linux 3.0.0-15-generic #25-Ubuntu SMP Mon Jan 2 17:44:42 UTC 2012 x86_64 [FileManager] Data files will be fetched from: '/usr/share/games/supertuxkart/' [IrrDriver] Creating NULL device Irrlicht Engine version 1.7.2 Linux 3.0.0-15-generic #25-Ubuntu SMP Mon Jan 2 17:44:42 UTC 2012 x86_64 [IrrDriver] Trying OpenGL rendering. [IrrDriver] Tring to create device with 32 bits Xlib: extension "GLX" missing on display ":0.0". [IrrDriver Temp Logger] Level 1: No GLX support available. OpenGL driver will not work. [IrrDriver Temp Logger] Level 2: Fatal error, could not get visual. Segmentation fault subsharm@subsharm-ThinkPad-T61:~$ sudo Xorg -configure [sudo] password for subsharm: Fatal server error: Server is already active for display 0 If this server is no longer running, remove /tmp/.X0-lock and start again.

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• ATI Radeon HD 5750 and lagging in games and youtube videos

  - by Morten Fjord Christensen

  I have a X-ONE W-601 desktop pc: 3,1GHz AMD QuadCore Athlon II 645 X4 8 GB DDR3 RAM 1000 GB Harddisk 7200RPM ATI Radeon HD5750 with 1GB DDR5 RAM I'm running Ubuntu 11.10 64-bit and have installed the proprietary driver, but still games lag and videos a little bit. Been googling around and seen that it has something to do with the older drivers from AMD and KMS, but no guide helped me correctly through to make my graphic card work smoothly. I don't know if this helps but "fglrxinfo" in terminal shows: display: :0 screen: 0 OpenGL vendor string: ATI Technologies Inc. OpenGL renderer string: ATI Radeon HD 5700 Series OpenGL version string: 4.1.11005 Compatibility Profile Context And the driver check command shows: [ 51.184] (II) ATI Proprietary Linux Driver Version Identifier:8.88.7 Any help appreciated :D

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• apache permissions problem

  - by nishan

  Im running ubuntu 12.04 lts 2gb ram 500gb hdd. My hdd have 4 partitions. Partition 1 = 40 gb Windows (NTFS, lable = win32) Partition 2 = 320 gb Windows (FAT label = common) Partition 3 = 40 gb Ubuntu (EXT4) I installed apached2 now to change its default www directory, I used 'gksu gedit /etc/apache2/sites-enabled/000-default' and chaged to /media/common/www After all I run in terminal chmod 777 /media/common/www chmod 777 /media/common/www/. After that I type in firefox 127.0.0.1/index.php It says "Forbidden You don't have permission to access / on this server. Apache/2.2.22 (Ubuntu) Server at 127.0.0.1 Port 80" Before my changes it was working fine. How should i run my websites???

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• Enabling multitouch on an acer 5742?

  - by Ben

  I am trying to get multitouch to work on my touchpad. I am currently trying to run a script to get it to work. It is set to start on boot, saved as .run and has been made executable. here is the code: #!/bin/bash #enable multitouch sleep 10 xinput set-int-prop "SynPS/2 Synaptics TouchPad" "Two-Finger Scrolling" 8 1 xinput set-int-prop "SynPS/2 Synaptics TouchPad" "Synaptics Two-Finger Scrolling" 8 1 1 xinput set-int-prop "SynPS/2 Synaptics TouchPad" "Synaptics Two-Finger Pressure" 32 10 xinput set-int-prop "SynPS/2 Synaptics TouchPad" "Synaptics Two-Finger Width" 32 8 xinput set-int-prop "SynPS/2 Synaptics TouchPad" "Synaptics Edge Scrolling" 8 0 0 0 xinput set-int-prop "SynPS/2 Synaptics TouchPad" "Synaptics Jumpy Cursor Threshold" 32 110 synclient TapButton2=2 exit the commands make multi touch work if I enter them in the terminal, but the script itself does not work. any suggestions?

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• Need Help Changing Owner of External HArd Drive

  - by Thomas Ballew

  My understanding of code is about zero. I can open a terminal window, and type commands that are given to me, but that's about it. If someone can help me with this question, and explain at a level I'm likely to understand, thanks. If not, thanks anyway. I have an external hard drive with two partitions. I bought this drive when my operating system was Apple, 10.5 or so, and it was formatted as HFS+ with that system. Now, connecting the HD to my Linux system, I can read files, but I have about 1.5 TB of space that I can't use, because I am not the owner of the file, so can't write to the HD. Short of reformatting the HD, is there a way for me to set the permissions for the HD so I can write to it? Again, thank you.

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• Passengers Push A Plane Half A Mile In China After Landing

  - by Gopinath

  In India, I have seen passengers pushing busses and cars when the vehicles break down in the mid of road. But never heard anything like this – a passenger flight in china had to be pushed half a mile by the  passengers and airport authorities after landing.   Chinese Shandong Airlines Flight arrived safely at Zhengzhou airport safely and broke down just before reaching the passenger terminal.  The 20 ton flight was pushed by staff and few passengers half a mile to clear the run way! via dailymail This article titled,Passengers Push A Plane Half A Mile In China After Landing, was originally published at Tech Dreams. Grab our rss feed or fan us on Facebook to get updates from us.

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• What is "umask" and how does it work?

  - by Lekensteyn

  I believe that umask is something that controls file permissions, but do not fully understand it. After running umask 0644 in a terminal, I cannot read the files I create with the command-line text editor nano. I noticed that the permissions of that file are set to 0022 instead of the default 0755. How does umask work? I thought I could just remove the each digit in the umask from 0777, 7 - 6 = 1 and 7 - 4 = 3, so I expect the permissions to be 0133, but apparently, this is not the case. What is umask exactly? Explain it to me like I was a "Linux noob" How do I calculate with umask? What are use cases for umask?

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• Cannot access system after deleting passwd file

  - by joao rodrigo leao

  I was trying to change my user name and also my /home/username and my system started to crash. I deleted the passwd file but I had a backup named passwd_bkp. I tried to rename this passwd_bkp as passwd and it did not work. No commands were being executed... I was in a terminal window. I re-started my system and now I cannot login. The GRub loads two options: Linux and recovery mode. I tried to open a sessions as root but it says the file system is corrupted. I cannot access my files. Did I lose all my files?

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• Why can't I refresh the list of packages?

  - by Elysium

  This might be a duplicate, but I can't find a solution in other posts. Whenever I try to update I get this message: ERROR###ERROR###ERROR###ERROR###ERROR###ERROR###ERROR E:Encountered a section with no Package: header, E:Problem with MergeList /var/lib/apt/listspackages.medibuntu.org_dists_quantal_free_i18n_Translation-en, E:The package lists or status file could not be parsed or opened. I have tried runnig this in the terminal: sudo rm /var/lib/apt/lists/* -vf sudo apt-get update It doesn't work at all. I cant even open the software sources and "sudo apt-get check" gives me this message: Reading package lists... Error! E: Encountered a section with no Package: header E: Problem with MergeList /var/lib/apt/lists/packages.medibuntu.org_dists_quantal_free_i18n_Translation-en E: The package lists or status file could not be parsed or opened. UPDATE: solution for me was to remove the medibuntu-keyring through synaptic manager and removed mediubuntu from the software sources too manually. This seems to have solved the problem. The update manager doesnt give me any error messages anymore.

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