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• Chromium/Chrome tabs crashes on Ubuntu/Edubuntu 12.04.3

  - by Joakim Waern

  For some reason the tabs of Chromium and Chrome have started to crash (He's dead Jim) when running on Ubuntu or Edubuntu 12.04.3. It seems to happen only when I log in. I tried the browsers on Ubuntu 13.10 and everything worked fine. Any suggestions? Ps. The browser doesn't crash, just the tabs, and I can open new ones (but they also crash after a while). Here's the output command free on the terminal after a tab crash: total used free shared buffers cached Mem: 2041116 1722740 318376 0 2868 267256 -/+ buffers/cache: 1452616 588500 Swap: 2085884 104 2085780 Compared to the output before the crash: total used free shared buffers cached Mem: 2041116 1967108 74008 0 14632 253036 -/+ buffers/cache: 1699440 341676 Swap: 2085884 40 2085844

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• How can I fix crashing Flash on Chromium?

  - by dv3500ea

  If I try to watch any flash video, I get a notification bubble telling me that the Shockwave Flash plugin has crashed. When run from the terminal, I get this error whenever flash crashes: [xxxx:xxxx:xxxxxxxxxx:FATAL:base/process_util_linux.cc(594)] Out of memory. where the 'x's are seemingly random numbers. Chromium reports its version as 9.0.597.94 (73967). I have tested in other browsers (Midori, Firefox) and flash works properly there. This is a new problem, that I assume was caused by an upgrade. How can I fix this?

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• Incorrect instructions on Upgrading to 12.10 from 12.04LTS

  - by Russ F

  https://wiki.ubuntu.com/QuantalQuetzal/TechnicalOverview/Beta1 reports incorrect instructions for upgrading from Ubuntu 12.04 LTS. The correct steps are: Alt+F2, Update Manager, choose settings, updates tab and set notify to "For any new version." Close the manager. Press Alt+F2, Terminal, then enter "sudo update-manager -d" (without the quotes)... Sorry to pester this list, but the Ubuntu wiki has no provisions for "Talk" or "Discussion" that do not require registration and a login. I feel like I should be able to point out a problem without signing in.

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• Cannot Unbind Super Key from Unity

  - by Tom Thorogood

  Due to a graphics card compatibility issue using CrunchBang, I was told that my best option would be to move to 12.04 LTS. I'm trying to get everything configured and personalized the way I'm used to things, but am having some issues with unbinding default Unity shortcuts. I'm used to having all my shortcuts routed through the super key (T for Terminal, W for Web, Up for increased opacity, and so on). I've followed instructions to install compizconfig-settings-manager, and did an advanced search for all keyboard shortcuts binding to the super key, including the Unity shortcuts, but Unity still seems to listen for that keypress, and thus neither compiz nor the keybindings set up in system prefs - keyboard receive the commands I give them. (I did try also to simply change the unity launcher key instead of disabling it as shown below -- neither worked)

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• Why doesn't `cd` work in a shell script?

  - by alex

  what is wrong with this easy script? I just want to write an script which change my directory: A. I put below commands on the file witch its name is pathABC on the /home/alex directory, #!/bin/sh cd /home/alex/Documents/A/B/C echo HelloWorld B. also I did chmod +x pathABC , On the terminal when I am on the /home/alex directory, I run ./pathABC . But the output is just HelloWorld and the current directory remains with no change. I mean my directory remains as /home/alex and not go to the /home/alex/Documents/A/B/C. So where is wrong?

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• Nautilus will not launch after update to 12.10

  - by dereksalerno

  I updated to Ubuntu 12.10 today from 12.04 using the graphical update tool. Everything seemed to be fine until I went to open Nautilus, and it would not open. Bizarrely, I am able to open a file that I happen to have on my desktop, but when I click on the launcher, it never opens. When I enter 'nautilus' in the terminal, I get this: (nautilus:8557): Gdk-CRITICAL **: gdk_x11_display_get_xdisplay: assertion `GDK_IS_DISPLAY (display)' failed zsh: segmentation fault (core dumped) nautilus I am not a total novice with ubuntu or linux, but all I can tell is that there is some problem with X. Can someone please point me in the right direction as far as fixing this? I really don't want to have to do a fresh install. Thank you very much.

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• Error while upgrading

  - by arun

  When i have select to install updates from the update manager it says: Failed to fetch http://us.archive.ubuntu.com/ubuntu/pool/main/l/linux/linux-image-3.0.0-13-generic_3.0.0-13.22_i386.deb Size mismatch I have tried several times and through terminal too but the size mismatch repeats itself there too. What is this size mismatch error ? Please Help ? tried sudo apt-get update and the sudo apt-get upgrade but the again error comes:: Failed to fetch http://us.archive.ubuntu.com/ubuntu/pool/main/x/xserver-xorg-video-intel/xserver-xorg-video-intel_2.15.901-1ubuntu2.1_i386.deb Size mismatch E: Unable to fetch some archives, maybe run apt-get update or try with --fix-missing?

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• Inspiron N7110 Ubuntu 12.04 Poor WiFi Signal

  - by Joseph Risley

  Sorry if this is a repeat, I have been Googling possible answers and have not found one yet. I find my wireless signal is never 100%. Speed is fine, it's the actual signal strength that is the issue. I thought my router was the issue, but the problem was also present at the public library today. I asked the Windows and Mac users around me about their signal strength and they had full signal while mine was medium to low according to WiFiRadar. Is this a Dell problem (Realtek), or an Ubuntu problem I can fix in the terminal?

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• Mess up between mysql server and phpmyadmin

  - by user206948

  0 down vote favorite After I installed XAMP on my ubuntu 12.10 it was working fine with mysql. I could start mysql- sudo mysql -uroot -p. I connet it using 127.0.0.1:3306 Recently I installed phpmyadmin. When I start it it shows access denied. I got solution from web: sudo /etc/init.d/apache2 stop sudo /etc/init.d/mysql stop sudo /etc/init.d/proftpd stop sudo /opt/lampp/lampp start Now I start phpmyadmin it starts but now I could not connect with mysql on terminal. Additionally phpmyadmin database does not shows all existing databse on mysql. CAn anyone tell me what's going on here? I am using ubuntu 12.10

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• Plymouth did not install properly

  - by David Starkey

  I was installing the plymouth manager in hopes of making a custom loading screen. While the terminal was working, my computer unexpectedly powered off. I can open up the manager and it appears to do what it is supposed to (minus the fact that I can't make my own theme) and the screen only shows on powering down. Anyway, all of the advice I have seen so far have resulted in errors and nothing getting fixed. I do not have permissions to simply select the folder and delete it for some reason and I have not been able to find out how to grant myself those permissions. I guess my question then is how do I get rid of the plymouth manager so I can reinstall it properly? Already tried: -Installation - http://www.noobslab.com/2011/11/install-plymouth-manager-and-change.html -Removal - How to remove Plymouth Boot Animation manager and keep the default boot screen -Permissions - How do I change my user permissions to edit /etc/apt/sources.list? -Theming Guide - http://brej.org/blog/?p=158

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• Cron job fails for any time other than default * * * * *

  - by Raghu

  On Ubuntu 11.10 (Oneiric Ocelot), my cron job run fine if I use the default * * * * * But if I want it to run at 17 hrs or any other time, it never runs. My settings are: 00 17 * * * wget http://www.abc.com/a.php I also tried: 00 17 * * * root wget http://www.abc.com/a.php I also tried specifying the path. There is a carriage return, and I'm logged in as root Here is my complete crontab: TZ=Australia/Sydney 22 7 * * * /usr/bin/wget http://www.abc.com/a.php 22 7 * * * /bin/date >> /tmp/date.txt ----the out put is as follws: root@Scrunch:~# sudo crontab -l -u root 55 12 * * * date >>/tmp/crontest.txt root@Scrunch:~# Why is the terminal displaying so many blank lines after outputting the crontab entries? do you suspect unnecessary carriage lines are given....And i have not given any entries any other cron spaces like .d,/daily eyc.,

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• How to tell thunar to stop using my device?

  - by Guillaume Coté

  When I do sudo umount /media/KINGSTON I got umount: /media/KINGSTON: device is busy. By using fuser -c /media/KINGSTON And cat /proc/<pid>/cmdline I found that the process is thunar--deamon. I closed all file manager windows. When I try to umount it by right cliking on the desktop, it also gave an error : An application is preventing the volume "KINGSTON" from being unmounted I am affraid that killing Thunar is going to impact other process running in other terminal. How can I tell it that I don't need this usb key anymore so it stop using it?

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• Ubuntu One Bookmark sync not working.

  - by Rob

  Everything in Ubuntu One sync works great except bookmark sync. I tried the wiki answer that said to run: killall beam.smp beam rm ~/.config/desktop-couch/desktop-couchdb.ini dbus-send --session --dest=org.desktopcouch.CouchDB --print-reply --type=method_call / org.desktopcouch.CouchDB.getPort This is what my terminal came back with: robin@robin-MIDWAY:~$ killall beam.smp beam beam: no process found robin@robin-MIDWAY:~$ rm ~/.config/desktop-couch/desktop-couchdb.ini rm: cannot remove `/home/robin/.config/desktop-couch/desktop-couchdb.ini': No such file or directory robin@robin-MIDWAY:~$ dbus-send --session --dest=org.desktopcouch.CouchDB --print-reply --type=method_call / org.desktopcouch.CouchDB.getPort Error org.freedesktop.DBus.Error.NoReply: Did not receive a reply. Possible causes include: the remote application did not send a reply, the message bus security policy blocked the reply, the reply timeout expired, or the network connection was broken. robin@robin-MIDWAY:~$ I'm a computer "newbie" so it's possible I'm doing something wrong, are there any tutorials out there on how to use the CouchDB? I have Bindwood installed.

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• Graphics on boot split into three sections

  - by a sandwhich

  I just installed 13.04 onto a new laptop because of the ease of install with the uefi bios. When I boot the system though, the screen is split into three sections each about 640x200 at the top of the screen, with the active terminal mirrored across them. Although I can login, startx fails due to something about a file. I have tried booting with vga=711 and normal nomodeset with no success. Booting the live usb I originally installed from results in the same issue. The graphics driver in the xorg.conf.something from what I can make out is set to vesa, but it could be set to some other four character value that is similar to vesa, hard to tell. How can I fix this? One thing to note, the laptop has two dedicated GT 750m's, along with the intel 4000 built into the processor. This is what it looks like, the purple box is what the grub2 menu was in before boot.

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• How to boot ubuntu on mac

  - by user170863

  I tried many ways to boot Ubuntu on my mac os. I do not have an internal cd drive but wen I tried to install it using the external cd drive(from apple), the drive does not work (Apple made it clear that u cant do this). I tried using many tools. I downloaded the amd64+mac edition and copid it to my usb using unetbootin.. it said that it would not boot of mac but the instructions on another blog was that it has no problems as the iso will take care. it also instructed to install refit and it worked for him but dosent boot for me. I even tried the terminal method of installing but didn't work... please help me out

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• help w/ macbook & latest ubuntu

  - by dirtyglove

  what is the latest version of ubuntu i can run w/ WORKING wifi on my macbook 4,1(early 2008)? i dual booted my mac os x lion alongside 12.10 ubuntu but cant figure how to get the wireless to work? so i downgraded to 10.10 for now.. is 10.10 the latest version i can have on my macbook with working wifi? or is there another? or am i just missing a noobish terminal code to fix the drivers? help appreciated! thanks

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• 12.04 Epson Scanner will not install dependency not met

  - by Howard Graham

  I'm trying to install Epson V100 scanner in 12.04. I downloaded files from Epson: iscan_2.29.1-5~usb0.1.ltdl7_amd64.deb iscan_2.29.1-5~usb0.1.ltdl3_amd64.deb iscan-plugin-gt-s600_2.1.2-1_amd64.deb from Ubuntu Software Center via double click on the file or from the terminal "dependencies not met" error occurs. What can I do. Apparently 12.04 is not able to process these files. Does anyone know where I can download older versions of the above files. I can not access avasys.jp from my location in China.

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• Setting environment variables when executing Eclipse via Unity launcher icon

  - by Nullptr

  My question is a followup for the following: How to pin Eclipse to the Unity launcher? I created Eclipse's icon to the Unity launcher based on the selected answer at the above link. However, when I launch Eclipse via this icon, the environment variables are not properly set. I need to call . /opt/intel/bin/compilervars.sh intel64 to use Intel compiler tools in Eclipse. However, launching via the icon can't do it. Of course, running manually Eclipse on the terminal is okay. I tried to place . /opt/intel/bin/compilervars.sh intel64 on several places such as /etc/profile and /etc/bash.bashrc. But, still not working. Where is the best and correct place to call such environment setup?

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• I cannot search/find any applications in the Dash on 12.04

  - by Russell

  Its been a while since I booted my Ubuntu (12.04), but when i did I had several updates (over 100) and I installed them along with rebooting. These updates seemed to mess with my video driver but I seemed to have fixed this. My problem is that my applications do not show anywhere. I can open them via terminal or if there are shortcuts (such as on the toolbar) but if I hit Super and go to Apps, there is nothing. This is true if I hit Super and search any app name nothing will come back (except for files). I need help to understand what happened! Also for some reason I can't upgrade to 12.10 (I assume because I have 12.04 and not 12.04.1, which I don't understand how to get).

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• I can't open Ubuntu Software Center

  - by user165700

  I downloaded google chrome that was made for my computer from https://dl.google.com/linux/direct/google-chrome-stable_current_amd64.deb. For some reason after I installed I can't open. Also in the corner where the time and other things are there's this red circle with a white dash in the middle of it. It says "An error occured, please run package manager from the right click menu or apt-get in a terminal to see what is wrong. The error message was: 'Unknown Error:''(E:The package google-chrome-stable needs to be reinstalled,but I can't find an archive for it.)' This usually means that your installed packages have unmet dependencies.

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• How to Encrypt Your Home Folder After Installing Ubuntu

  - by Chris Hoffman

  Ubuntu offers to encrypt your home folder during installation. If you decline the encryption and change your mind later, you don’t have to reinstall Ubuntu. You can activate the encryption with a few terminal commands. Ubuntu uses eCryptfs for encryption. When you log in, your home directory is automatically decrypted with your password. While there is a performance penalty to encryption, it can keep private data confidential, particularly on laptops that may be stolen. HTG Explains: What Is RSS and How Can I Benefit From Using It? HTG Explains: Why You Only Have to Wipe a Disk Once to Erase It HTG Explains: Learn How Websites Are Tracking You Online

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• How do I fix SweetHome3d?

  - by GOOD_GUY

  This is what I get in Terminal. I hope this helps. If not, let me know what I need to provide. Thanks sweethome3d [warning] /usr/bin/sweethome3d: Unable to locate /usr/lib/jvm/java-6-sun/jre/lib/javaws.jar in /usr/share/java Exception in thread "main" java.lang.ExceptionInInitializerError at com.eteks.sweethome3d.j3d.Component3DManager$RenderingErrorListenerManager.setRenderingErrorObserver(Unknown Source) at com.eteks.sweethome3d.j3d.Component3DManager.setRenderingErrorObserver(Unknown Source) at com.eteks.sweethome3d.SweetHome3D.addComponent3DRenderingErrorObserver(Unknown Source) at com.eteks.sweethome3d.SweetHome3D.init(Unknown Source) at com.eteks.sweethome3d.SweetHome3D.main(Unknown Source) Caused by: java.awt.HeadlessException at javax.media.j3d.VirtualUniverse.<clinit>(VirtualUniverse.java:294) ... 5 more

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• Should security updates 'always' be installed?

  - by kmansoor

  We are a small shop, no real sysadmin. So developers (Java EE) also try to maintain Ubuntu server 12.0.4. When I login a terminal and I see messages like: 6 packages can be updated. 6 updates are security updates. Should all security updates always be installed? can some be ignored? Should these be acted upon immediately? Or one could wait for 2:00 AM coming Sunday? Is there a way to know a 'critical' update? Is there a good sysadmin for dummies resource I should be reading?

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• Why is ubuntu so sluggish?

  - by Evan

  I have noticed the trend that ubuntu is getting increasingly slower with each release. It used to be much faster than windows, but now it is really much slower. I have an Asus G74Sx with an i7 processor, 8Gb of RAM, and an Nvidia Geforce GTX 560M graphics card. I am currently using ubuntu 12.10, but will probably be going back to 12.04. Ubuntu is running as the native operating system. There is really no reason for terminal to take more than 25 seconds to open. I love all of the stuff behind ubuntu, what it stands for and everything, but I need to at least be able to open gedit without waiting 3 minutes for it to open. Sorry if this sounds like a rant, but I would really like to know what is going on and if there is anything I can do to get Ubuntu running at a more appropriate speed.

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• HTC Trophy not detected

  - by Earl Larson

  When I plug in the device via USB chord, nothing happens and the device is not shown on the desktop. However, when I type "lsusb" into a terminal this is the output: Bus 007 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 006 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 002 Device 002: ID 04f2:b249 Chicony Electronics Co., Ltd Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 001 Device 005: ID 045e:04ec Microsoft Corp. Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub I'm assuming Microsoft Corp. is the device but why isn't Ubuntu displaying it on the desktop?

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