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Thread: Precise known bugs with workarounds

  1. #1
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    Precise known bugs with workarounds

    Please post the bugs you have run into and how you worked around them here.

    Do not post your problems, please raise a support thread.

    Keep in mind, that Linux is infinitely customizable, you do not have to stick with Unity as a desktop environment if you do not want to.
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    Tomorrow's an illusion and yesterday's a dream, today is a solution...

  2. #2
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    Re: Precise known bugs with workarounds

    I have posted a workaround thread to the default dnsmasq being hardcoded into networkmanager in 12.04 which leaves users potentially vulnerable to MITM attacks and DNS poisoning especially on open networks where rogue DNS servers could appear.

    Thread/workaround here http://ubuntuforums.org/showthread.php?t=1968061

    It is not needed as a default configuration, it should be provided as a feature if needed.

    Though it appears no caching is happening by default, however instructions above are there if needed.

    Peace
    Last edited by haqking; April 30th, 2012 at 01:34 PM.
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  3. #3
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    Re: Precise known bugs with workarounds

    Sometimes LightDM (the login screen) won't let you log in. This might happen if you have set a non-default wallpaper. The login screen will simply say "logging in" and get stuck there. To get around it,

    1. Ctrl Alt F1, login
    2. Run these commands:

      Code:
          sudo apt-get install gdm
          sudo dpkg-reconfigure gdm
    3. That installs GDM, and you will need to set it as default in the second command.
    4. Reboot
    5. Login, set a standard wallpaper (right click desktop)
    6. Run this command to set lightdm back
      Code:
      sudo dpkg-reconfigure lightdm
    7. Reboot


    If that doesn't work and you still get stuck, do a Ctrl+Alt+F1 at the login screen and have a look at the following log files to see what's happening.

    Code:
    sudo less /var/log/lightdm/x-0-greeter.log
    sudo less /var/log/lightdm/lightdm.log

  4. #4
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    Ubuntu 13.04 Raring Ringtail

    Re: Precise known bugs with workarounds

    Default Ubuntu wallpapers will also become the login screen wallpaper (if used as your desktop wallpaper). This is a feature, however, it doesn't work with custom wallpapers (which is a bug). If you're using your own wallpaper it wont appear on the login screen; the way to fix this is to copy it into /usr/share/backgrounds and then set the permissions to read only (set "group" and "other" permissions to read only).

    You wont be able to drag the file to the folder as the folder is owned by root, so type "sudo mv /home/username/Pictures/wallpaper.jpg /usr/share/backgrounds" (make sure there's a space between locations); then go to the directory, find the file, right click, go into permissions and change group and other to read only (you're still the owner of the file, which is why you don't need to change permissions through the terminal).

    Then to use the wallpaper just select it as your desktop wallpaper and it will also become your login screen wallpaper.

    If you want your login screen wallpaper different from your desktop wallpaper download Ubuntu Tweak Tool and follow all the same steps above with the image you want to use instead; then just choose that image in Ubuntu Tweak Tool.




    I found out about this bug and the fact the permissions were the issue here:
    https://bugs.launchpad.net/ubuntu-tweak/+bug/888186
    Last edited by Zukaro; April 29th, 2012 at 06:13 PM.

  5. #5
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    Re: Precise known bugs with workarounds

    I believe adobe flashed has been renamed in Precise Pangolin. So you need to install:

    Code:
    sudo apt-get install adobe-flashplugin

    instead of the usual

    Code:
    sudo apt-get install flashplugin-nonfree

  6. #6
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    Re: Precise known bugs with workarounds - Ambiance sub-menus light like Radiance

    If you have ambiance as your theme and you right click the desktop, for example, you'll see a light menu rather than dark like Oneiric.

    The discussion surrounding this "design decision" is here.

    Bug Report 925895

    The fix if you want it is here.

    Theme fix for Precise
    Last edited by philinux; April 30th, 2012 at 11:47 AM.

  7. #7
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    Re: Precise known bugs with workarounds - Ambiance sub-menus light like Radiance

    Quote Originally Posted by philinux View Post
    If you have ambiance as your theme and you right click the desktop, for example, you'll see a light menu rather than dark like Oneiric.

    The discussion surrounding this "design decision" is here.

    Bug Report 925895

    The fix if you want it is here.

    Theme fix for Precise
    Have you tried to run nautilus with root privileges and see what happens. With me nautilus was behaving very strangely - changing color of window with almost every click ... or it is normal? Can you try it?
    Sony Vaio VPCEB1S1E/BJ <--> Core i5-430M 2.533 MHz <--> Chipset Intel HM55 <--> ATI Radeon HD 5650 1GB Dedicated (Madison) <--> 8 GB RAM

  8. #8
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    Re: Precise known bugs with workarounds - Ambiance sub-menus light like Radiance

    Did not work for me. Same light-colored menus and such as with plain old Ambiance theme. I am using Gnome Classic.

    Also, the theme only showed up in the Advanced Settings tool, not System Settings/Appearance.

    Quote Originally Posted by philinux View Post
    If you have ambiance as your theme and you right click the desktop, for example, you'll see a light menu rather than dark like Oneiric.

    The discussion surrounding this "design decision" is here.

    Bug Report 925895

    The fix if you want it is here.

    Theme fix for Precise
    -merlin

  9. #9
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    Kubuntu 14.04 Trusty Tahr

    Re: Precise known bugs with workarounds - Ambiance sub-menus light like Radiance

    Crap Nvidia driver included on .iso. Solution is to remove any proprietary drivers and then revert to old Nvidia driver.

    Code:
    sudo add-apt-repository ppa:ubuntu-x-swat/x-updates
     sudo apt-get update
     sudo apt-get install nvidia-current=295.33-0ubuntu1~precise~xup1
    Reboot and you should be good to go.

  10. #10
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    Question Re: Precise known bugs with workarounds

    Can anybody back me up on how to fix the ALT-TAB bug in Gnome Classic? Or is this a bug that is in progress of being fixed? I'm not using Gnome Classic until this bug is fixed.
    CrunchBang Linux
    Plz no tpe lik dis or no anser!!
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