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  • Screen flicker during content update, especially in Firefox

    - by Denis Malinovsky
    I'm using Nouveau video driver for my NVIDIA GeForce 6150SE nForce 430 video-card with Ubuntu 10.04. Screen flickers frequently, especially when I'm loading pages with many images/banners in Firefox. I tried to use proprietary NVIDIA driver, but it behaves itself even worse. Nv driver doesn't work at all. I also filed a bugreport in launchpad if you need any additional information.

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  • Complete machine freezes...at a loss

    - by user28818
    Guys, We built around 12 machines a few months ago to run Ubuntu. They each have the following specs: ASUS Z8NA-D6 motherboard Dual quad core Intel(R) Xeon(R) CPU E5520 @ 2.27GHz OCZ Mod Extreme Pro 500W power supply 12 GB Kingston RAM Nvidia GeForce 9800 GT graphics card My machine ran well for awhile. However, it started experiencing random lockups. These lockups are not X lockups, they are complete system freezes. The nic stops responding, the magic sysrq buttons won't work. The machine is dead. I first suspected RAM. Memtest86 didn't find anything, but I replaced the RAM anyway. Still, lockups. So I replaced the graphics card. Still, more lockups. They became more and more frequent and started to happen 2-3 times a day. So I replaced the motherboard and power supply in one fell swoop. Suddenly, no more lockups! Woohoo! Except, a week later, in the morning, the machine wouldn't wake up. I reset it, started it up, and the log files showed the last entry at around 11 pm the evening before. This has started occurring with more frequency...now just about every morning I come in, the machine is locked up, and has been since the night before. Yesterday, in the 3 weeks since I replaced the motherboard and power supply, the machine actually locked up on in in mid-work. This is the first time since replacing the two (MB and PS) that this happened while I was using it. All others occurred while I was away. I'm at a loss. Nothing is in syslog or message that would indicate a problem around the time of the lockup. Temps are good...I use lmsensors to monitor and have a script that writes the output to file every minute. They never get that high. The only thing I haven't replaced at this point is the case and the harddrives. I doubt either could be the cause. What would you do if you were in my shoes? Is there a troubleshooting approach I'm missing? For the record, all of the other machines, all eleven of them, don't have any problems. They're all running the same version of Ubuntu (Lucid) that I am. Thanks!

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  • Hardware imposed 32-bit limit

    - by knittl
    i'm thinking about converting my OS (ubuntu) to the 64 bit version to use the last bit of memory (4 gb)—ok, it's rather reinstalling … will this work as expected or are there possible limits given by the mainboard/memory controller/some other component, so i cannot fully utilize my full ram? if so, are there benefits from upgrading anyway?

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  • unable to mount disks in usb dvd drive

    - by Arcath
    I have 2 USB DVD drives. One that I borrowed from work which I have been testing with which works fine for me, which is why I brought one of myself. When I try and mount my new dvd drive this happens: [18:06:45][arcath@londinium][~] sudo mount /dev/sr0 /mnt/dvd/ mount: special device /dev/sr0 does not exist /dev/sr0 is only in the list when the drive is attached and it works on other machines using the same cables so it must be something with my server. The server is running Ubuntu 10.10 server

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  • Verify that a cron job has completed

    - by skylarking
    Is there a command that can be run to verify that a users cron job has run successfully? Platform is Ubuntu 8.04 LTS. I have scripts in /home/useraccount/bin/ running crontab -l while logged in as user results in: # m h dom mon dow command @hourly /home/useraccount/bin/script_1 @hourly /home/locateruser/bin/script_2 I realize scripts could send email or write to a log with a timestamp, but wondering if there is just a way to verify it ran from the command line.

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  • Changing Java from OpenJDK to SunJava

    - by SpiXel
    I want to change OpenJDK to SunJava in my ubuntu linux desktop , i have downloaded the "jdk-7.tar.gz" from sun's website, but there problem is how to make the system to use the newly downloaded java ? I tried adding the new jdk/bin/java to my PATH ( from .bashrc ) but that seem not to work (cause probably OpenJDK's path is inside my PATH variable as well , so the system checks that first) Here's my JDK7 : /usr/lib/jdk7/bin/java Here's what $(which java) outputs : /usr/bin/java Thanks in advance

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  • Custom layout/group switching keys in Linux

    - by abyx
    I'm using Ubuntu (Karmic) and 2 keyboard layouts. Using the gnome settings, I managed to set it to switch with Alt+Shift (windows style), but I really want to limit it to Right Alt + Right Shift, but that option isn't available in the gnome wizard. I've opened gconf-editor and found the kbd configuration, but trying to add 'r' or 'right_' prefixes to the keys didn't help. Is this possible?

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  • Outlook 2010 says "File is in use by another application or user" while closing

    - by A_Pointar
    Outlook opens, gets new emails and everything but when I close it, it gives me the following error and then opens up a Save a File window after I cancel this error message. There's no other computer that may be using Outlook under this User Name because I just set-up a brand new User Name. However, Colligo Briefcase is attached to the Outlook and not sure if this is triggering and if so how I address the issue!? Thanks a lot!

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  • Increase mouse sensitivity further

    - by Albin
    Hi I need help on how to increase the mouse sensitivity even further, because I maxed it out using the settings interface, and it's not enough . (I've tried two diffrent mouses that both are really good in windows so that shouldn't be the problem...) So what solution is there to this problem? (Using ubuntu and I've tried in both 9.10 and 10.4)

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  • power management of USB-enclosed hard drives

    - by intuited
    With a typical USB hard drive enclosure, is the full range of drive power management functionality available? In what may be an unrelated matter: is it possible to suspend a PC without unmounting an attached USB-powered drive, and then remounting it on resume? This is the behaviour I'm currently seeing (running Ubuntu linux 10.10). Are there certain models or brands that provide more complete control over this aspect of drive operation? My Friendly Neighbourhood Computer Store carries (part of) the Vantec Nexstar product line.

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  • How do you run the previous command in emacs shell?

    - by Lidmith
    I am in terminal mode on Ubuntu, and I'm running emacs with 2 buffers open, one is a ruby file, and the other is a shell (opened by typing M-x shell ), and when I switch to the shell buffer, I want to run the same command that I ran before. I would normally just hit the up arrow in a terminal window, but in emacs, it simply puts the cursor up one line. Does anyone know of keystroke to run the previous shell command from within an emacs shell?

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  • How to give Apache access to files in my home directory?

    - by Mark Smith
    I'm a Ubuntu Linux user (Lucid Lynx) who is running Apache. I have a collection of zip files in a folder in my home directory (~/zip_files) which I would like to be able to link to through apache, such that when somebody who visits my website which I'm using Apache to host clicks a link to one of the zip files, he can download it through the web. How can I provide Apache with access to the files and set the permissions? Thanks, I'm new to linux!

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  • Make all changes by a user reversible on linux

    - by Darokthar
    Is it possible to safe all changes a user does in his home directory? The idea is to be able to recover a home directory if a file is deleted or overwritten. My problem is having an old family member (80+ years) who wants to learn how to use a computer. For me it would be easier to recover the home directory from any abuse or mistakes that the user might do. Is there an easy solution, which is quite failsafe?

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  • How do you get an add-on to run in Firefox 4?

    - by efficiencyIsBliss
    I have an add-on called Flash-Aid in Firefox 4 on my Ubuntu build, but ever since Mozilla came up with their new UI, I haven't been able to figure out how to get add-ons to actually run within Firefox. Double clicking them just opens up a detail page about them and there are no options to run them. With most add-ons, this isn't a problem since they usually don't need to be explicitly run, but this one does. Can someone tell me how to do this?

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  • What is the difference between the Client and GTK versions of emacs?

    - by David
    My Ubuntu 10.04 desktop has three versions of emacs: emacs-snapshot (client) emacs-snapshot (GTK) GNU Emacs 23 I mostly use emacs-snapshot, but I also use regular emacs in terminal mode emacs -nw. However, it is not clear to me what the difference is between the client and GTK versions of emacs-snapshot is, which one is launched by emacs-snapshot at the terminal, and if I should uninstall one or just ignore it.

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  • How to check if two DVDs are exactly the same?

    - by Mega
    I have two DVDs and if I open the DVDs and copy the content to the HDD and compare the respective files on the HDD it shows no difference. As I know DVD does also have some additional content (this content includes information saying if the DVD is bootable and some formating information I guess). How can I check also this additional content? Is it somehow possible without additional programs, using Windows or Ubuntu?

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  • After exiting, the home folder cannot be visited?

    - by Keating Wang
    I ssh to a ubuntu sever, start a web project(Rails), then I can visit this project. I close the the ssh terminal, then the project says can not find files(view pages,css files and so on). I put the project in the home folder(/home/byht). why? When closing the ssh terminal, the user's folder can not be visited ? You know, when I put the project in another folder(/usr/local), everything goes well.

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