Auto-Rotation on KDE Plasma ( Wayland ) – Lenovo ThinkPad X1 Tablet Gen 3

CONTEXT -------- Debian 13 (Trixie) + KDE Plasma 5.27 on Wayland.   Lenovo ThinkPad X1 Tablet Gen 3 (QHD 3000×2000, i7-8550U).   iio-sensor-proxy detects the accelerometer but doesn’t publish orientation on DBus.   Solution: use raw accelerometer values and rotate via kscreen-doctor (KDE’s Wayland tool). REQUIREMENTS ------------- sudo apt install kscreen   Accelerometer visible at /sys/bus/iio/devices/iio:device*/in_accel_x_raw FINAL SCRIPT — ~/.local/bin/autorotate-wayland.sh ------------------------------------------------- #!/usr/bin/env bash # Auto-rotate for KDE Plasma (Wayland) – ThinkPad X1 Tablet Gen 3 # Reads raw accelerometer data and rotates screen via kscreen-doctor. # Touch/pen mapping handled automatically by Wayland. # Create ~/.config/autorotate.lock to disable rotation temporarily. OUTPUT_ID="output.1"                                 # from `kscr...

Process prioritisation

                                                           User IDs                   Group IDs

Process starter (Real)                          RUID                        GUID

Right controller (Effective)                EUID                         EGID


$ ps -lf
To see the processes with their PRiority and NIce

NICE
-20 highest priority
+20 lowest priority

$ renice +x/-x <ppid>
To increase/decrease the nice of a process.
Child processes inherit the nice of the parent ones.

PRIORITY
Priorities are 0 to 139 in which 0 to 99 for real time and 100 to 139 for users.
Deepening: https://askubuntu.com/questions/656771/process-niceness-vs-priority

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