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Thread: Rotated login screen on Lubuntu

  1. #1
    Join Date
    Jun 2020
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    2

    Rotated login screen on Lubuntu

    I installed Lubuntu on my Acer One 10. When I booted it up the screen was rotated 90 degrees so that it was lying down. I figured out how to rotate the screen when I'm logged in, but I don't understand how to rotate the login screen. Does anyone know how I can do this?

  2. #2
    Join Date
    Aug 2017
    Location
    melbourne, au
    Beans
    546
    Distro
    Lubuntu Development Release

    Re: Rotated login screen on Lubuntu

    The release of Lubuntu you are using is pretty essential. For example the greeter is `lightdm` if you're using Lubuntu 18.04 LTS, however it's `sddm` for all modern releases.

    If using a modern Lubuntu (eg. Lubuntu 20.04 LTS), the manual page for configuring `sddm` can be found at

    https://manual.lubuntu.me/stable/3/3.1/3.1.9/sddm_configuration.html

    though I've never tried to rotate the greeter, so I'd need to look at the upstream documentation to see if its catered for, however I currently don't know if that's your DM/greeter (ie. your release).

  3. #3
    Join Date
    Jun 2020
    Beans
    2

    Re: Rotated login screen on Lubuntu

    Hi, thank you for helping out. I'm using the lastest version (Lubuntu 20.04).

  4. #4
    Join Date
    Aug 2017
    Location
    melbourne, au
    Beans
    546
    Distro
    Lubuntu Development Release

    Re: Rotated login screen on Lubuntu

    I have no experience with this sorry, however the following I believe will be helpful

    Arch wiki - https://wiki.archlinux.org/index.php...Rotate_display

    That will take you to https://wiki.archlinux.org/index.php...#Configuration

    which mentions

    Both KDM and GDM have startup scripts that are executed when X is initiated. For GDM, these are in /etc/gdm/, while for KDM this is done at /usr/share/config/kdm/Xsetup and for SDDM at /usr/share/sddm/scripts/Xsetup. This method requires root access and
    I won't advise further as I've not done it, if you have problems you can reach out and I'll experiment a little, but I'm hoping this will provide enough detail for you to solve your issue. FYI: I didn't use upstream doco, as I felt this looked more useful.

    FYI: I did a QA-test install of groovy (will be 20.10 on release), and did a quick play as that box has two displays, one landscape & one portrait.. the xrandr command for my box was
    Code:
    xrandr --output DIN --off --output DVI-0 --mode 1024x768 --pos 0x0 --rotate normal --output DVI-1 --mode 1024x768 --pos 1024x0 --rotate left
    which won't match your system, but as example maybe helpful. I also didn't write it, I used Lubuntu's LXQt GUI to alter the display, and then installed `arandr` and saved it.. If you get stuck you could always be as lazy as I was!

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