linux/hardware: added guide to change thinkpoint settings

wiki/android/ip_webcam.md

@@ -4,6 +4,9 @@
 developed and published by Pavel Khlebovich for [Android](/wiki/android.md) systems.
 It enables a [smartphone](/wiki/smart_devices.md) to be used as [webcam](/wiki/webcams.md).
 
+When wanting to stream the screen and not the camera the application
+[ScreenStream](/wiki/android/screenstream.md) can be used.
+
 ## Setup
 
 On [Android](/wiki/android.md) IP Webcam is available on the

wiki/android/screenstream.md

@@ -0,0 +1,13 @@
+# ScreenStream
+
+[ScreenStream](https://f-droid.org/de/packages/info.dvkr.screenstream/) is an application that
+allows to stream the screen via HTTP.
+
+When wanting to stream the camera and not the screen the application
+[IP Webcam](/wiki/android/ip_webcam.md) can be used.
+
+## Setup
+
+On [Android](/wiki/android.md) ScreenStream is available on 
+[F-Droid](/wiki/android/f-droid.md) in a package called
+[ScreenStream](https://f-droid.org/de/packages/info.dvkr.screenstream/).

wiki/linux/ghostscript.md

@@ -0,0 +1,22 @@
+# Ghostscript
+
+[Ghostscript](https://ghostscript.com) is a program used to convert, compress and render different
+formats like PDF, PostScript and more.
+
+## Setup
+
+The Ghostscript program can be installed on most [Linux](/wiki/linux.md) distributions and
+[package managers](/wiki/linux/package_manager.md) via a package called `ghostscript`.
+
+## Usage
+
+This section addresses the usage of Ghostscript.
+
+### Compressing a PDF File
+
+A PDF file can be compressed using Ghostscript by running the following command.
+`<input-file>` and `<output-file>` are the paths to the input and output PDF files.
+
+```sh
+gs -sDEVICE=pdfwrite -dCompatibilityLevel=1.4 -dPDFSETTINGS=/ebook -dNOPAUSE -dQUIET -dBATCH -sOutputFile=<output-file> <input-file>
+```

wiki/linux/hardware.md

@@ -37,3 +37,21 @@ To check the temperature the command `sensors` can be used which (on most distri
 of the `lm_sensors` package.
 It will then display all the available temperature sensors available aswell as many other sensors
 like the RPM for fans.
+
+## ThinkPad TrackPoint
+
+This section is based on a
+[Reddit comment by zedbraxmen](https://www.reddit.com/r/thinkpad/comments/wjb8qz/configuring_trackpoint_in_wayland/).
+
+The sensitivity and speed of the classic trackpoint on ThinkPads can be changed using UDEV rules.
+The following lines are an example for a potential file `.rules` located at `/etc/udev/rules.d/`.
+It could look something like the following.
+The values for sensitivity and speed could be adjusted.
+
+```txt
+ACTION=="add",    
+SUBSYSTEM=="input",    
+ATTR{name}=="TPPS/2 IBM TrackPoint",    
+ATTR{device/sensitivity}="275",
+ATTR{device/speed}="215",
+```

wiki/linux/mkinitcpio.md

@@ -129,3 +129,11 @@ If this error or one similar to this is shown the boot partition is filled up co
 generation of the initial ramdisk.
 This can be fixed by either [compressing the image](#enabledisable-compression) or by 
 [disabling unused fallbacks](#default-and-fallback-images).
+
+### `WARNING: Possibly missing firmware for module`
+
+If the warning `WARNING: Possibly missing firmware for module` is shown a firmware package is
+missing for the hardware of the system.
+Though it is not neccessary it is recommended to install ist.
+To check which firmware package is needed for which firmware module check
+[the Arch Linux wiki](https://wiki.archlinux.org/title/Mkinitcpio#Possibly_missing_firmware_for_module_XXXX).

wiki/linux/systemd.md

@@ -76,7 +76,7 @@ The following line will set this to 10 minutes.
 HibernateDelaySec=10min
 ```
 
-### Handle Power Key and Lid Seitch
+### Handle Power Key and Lid Switching
 
 The management of power keys and lid switches is handled in the file `/etc/systemd/logind.conf`.
 The following line will set the behaviour of the power key to hibernate. The default for this would
@@ -97,6 +97,24 @@ HandleLidSwitch=suspend-then-hibernate
 For further behaviour of the suspend and hibernate actions check the
 [corresponding section](#change-suspend-and-hibernate-behaviour).
 
+When wanting to work with a closed lid some of the settings in the config file have to be set to
+ignore.
+As [machetie writes on Reddit](https://www.reddit.com/r/framework/comments/185035i/how_to_use_the_laptop_with_lid_closed_linux/)
+the following settings need to be set.
+
+```txt 
+HandleLidSwitch=ignore
+HandleLidSwitchExternalPower=ignore
+HandleLidSwitchDocked=ignore
+```
+
+Afterwards the logind service has to be restarted
+[as described on a later section](#startstopenabledisable-a-service-and-retrieve-its-logs).
+
+```sh
+sudo systemctl restart systemd-logind
+```
+
 ## Troubleshooting
 
 This section focusses on errors that correspond to the SystemD software.

wiki/linux/v4l2.md

@@ -93,3 +93,11 @@ To fix it downgrade the packages `v4l2loopback-dkms` and `v4l2loopback-utils` to
 version.
 For [Arch Linux](/wiki/linux/arch-linux.md) this can be achieved by using
 [Downgrade](/wiki/linux/package_manager.md#downgrading-packages).
+
+### `Error! Bad return status for module build on kernel`
+
+When updating the `v4l2loopback` package this error can occur after the creation of the
+[initramfs](/wiki/linux/mkinitcpio.md).
+This may point to an incompatibility of the package and kernel version which can only but easily
+and temporarily be fixed by downgrading the package as described in
+[the corresponding package manager section](/wiki/linux/package_manager.md#downgrading-packages).

wiki/thunderbird.md

@@ -28,3 +28,10 @@ The following is a list of useful extensions for Thunderbird.
 - "Send Later" is an extension which allows for the scheduling of mails.
 - "Signature Switch" is an extension which adds different signatures for different purposes and
   allows easy and automatic switching between them.
+
+### Hide Completed Tasks
+
+Under the tasks tab it is possible to show only incomplete tasks aswell as other specific tasks
+using the selection on the left hand site of the screen.
+Alternatively complete tasks can be hidden by selecting "View" in the top bar, then "Tasks" and
+finally "Incomplete Tasks".