💻 Plasma (KDE)

• Discover (KDE Software Center) > Settings > Uncheck: vendor-directory - Vendor (Automatic)

• Lenovo X270 BIOS (firmware) 1.50+ update incompatible with aftermarket batteries. Also mentioned 🔗 here

  • Link above includes BIOS rollback procedure (confirmed as of January 9th, 2024). Batteries will charge again.

• sudov /etc/security/pam_env.conf

  ...
  ++ QT_QUICK_BACKEND DEFAULT=software
  

• balooctl disable

• pause with: balooctl suspend

When GUI selection does not represent selection

• sudo mkdir /usr/share/backgrounds/new_folder

• cp /folder/image.jpg /usr/share/backgrounds/new_folder/image.jpg

• sudov /usr/share/sddm/themes/breeze/theme.conf.user

  ++ background=/usr/share/backgrounds/new_folder/image.jpg
  

• Logout & login

Solution to change SDDM time display to 12 hours

• sudov /etc/locale.conf

  ++ LANG=en_US.UTF-8
  

• sudov /etc/locale.gen

  -- #en_US.UTF-8 UTF-8
  ++ en_US.UTF-8 UTF-8
  

• locale-gen

• pac -Rc plasma

• pac -Rc kwallet

May minimize security

• Make sure wallet is named: kdewallet

• Access Control > Prompt when an application accesses a wallet

• Change password to blank & blank

• Log-out/Log-in and always allow trusted applications

  wifi, etc.)

• /usr/share/kpackage/kcms/kcm_users/contents/img

• sudov /etc/sddm.conf.d/sddm.conf

  ++ [General]
  ++ InputMethod=qtvirtualkeyboard
  

• pac -S kwallet-pam

• Disable: “Close when last application stops using it” in KDE Wallet settings

• Does not seem to work with fingerprint reader login

  Confirmed does not with Thinkpad X1

• If all else fails and one just needs WiFi at login: Change KDE Wallet password to a blank password

• sudov /usr/share/X11/xorg.conf.d/40-libinput.conf

  • In > Identifier libinput touchpad catchall add line > option "Tapping" "True"

    After > MatchIsTouchpad "on"

• Regardless of DPI scaling set in Plasma

• vim ~/.Xdefaults

  ++ Xft.dpi: 96
  

• Log out and login

• Super Key + search term: autostart

  • Background Services > Uncheck bluetooth

  • Can be re-enabled through the System tray via Plasma panel

• CTRL + ALT + F3

• Backup folder /home/user/.local/share/kscreen as kscreen_ (or something like that)

• Delete /home/user/.local/share/kscreen

• reboot

• apts emoji or sudo aptitude search emoji

  • If needed apti fonts-noto-color-emoji

• sudov /etc/fonts/local.conf

<?xml version="1.0"?>
<!DOCTYPE fontconfig SYSTEM "fonts.dtd">
<fontconfig>
 <alias>
   <family>sans-serif</family>
   <prefer>
     <family>Noto Sans</family>
     <family>Noto Color Emoji</family>
     <family>Noto Emoji</family>
     <family>DejaVu Sans</family>
   </prefer> 
 </alias>

 <alias>
   <family>serif</family>
   <prefer>
     <family>Noto Serif</family>
     <family>Noto Color Emoji</family>
     <family>Noto Emoji</family>
     <family>DejaVu Serif</family>
   </prefer>
 </alias>

 <alias>
  <family>monospace</family>
  <prefer>
    <family>Noto Mono</family>
    <family>Noto Color Emoji</family>
    <family>Noto Emoji</family>
    <family>DejaVu Sans Mono</family>
   </prefer>
 </alias>
</fontconfig>

• fc-cache

In a disposable shell prompt

• killall plasmashell

• sleep 5

• kstart5 plasmashell &

Close prompt whenever. Emoji characters should be visible via Plasma clipboard

• 🔗 r/kde | Constant CPU usage when sddm-greeter is idle (references: sddm/sddm Issue #323)

• 🔗 GitHub | sddm/sddm - high cpu when sddm-greeter is idle · Issue #323

• 🔗 DEV Community | Get emojis working on arch linux with noto-fonts-emoji