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Move 'Fix primary screen' task to role

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Raphael Dannecker 2025-03-31 20:18:47 +02:00
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doc/misc_clonescreen.md Normal file
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# CloneScreen on PresenterPCs
Presentation PCs have a habit of displaying the primary screen on the wrong device. Furthermore, the workspace is extended by default instead of mirrored.
These issues can be resolved using the 'misc_clonescreen' variable.
If the login screen appears on the wrong device, this can be corrected using the `dual_screen` variable.
Furthermore, the display devices are mirrored by default instead of extended.
If the cabling does not properly support large screen resolutions, the desired resolution and refresh rate can be set.
## Configuration / Variables
* **misc_clonescreen**
This flag indicates whether to prepare clonescreen mode.
If set to `true` clonescreen will be default.
Type: *Boolean*
Values:
* `false` <-- (default)
* "username"
* **misc_clonescreen_mode**
This variable specifies the resolution and frequency of display.
Default: "1920x1080@60"
Type: *String*
* ** dual_screen **
Array with X11 and Wayland naming of desired primary display.
Type: *String*
Example: [DisplayPort-3, DP-4]
* ** audio_output **
Array of audio-output device to be selected.
Example: [pci-0000_00_1f.3, analog-stereo]
## Example
* Hosts in group `classroom` will be clonescreen PCs.
* Screen will be cloned and mode 1920x1080@60 (default) will be selected.
* On host with IP 10.0.2.80 screen resolution is limited to 1024x768 at 60 Hertz
* Audio output HDMI (default) is selected.
* On host with IP 10.0.5.80 audio out is preset to analog-stereo
* On Hosts with IP 10.0.3.80 primary screen will be swapped to device with name `DisplayPort-3` (X11) / `DP-4` (Wayland)
inventory.yml
```
classroom:
hosts:
10.0.2.80:
misc_clonescreen_mode: 1024x768@60
10.0.3.80:
dual_screen: [DisplayPort-3, DP-4]
10.0.4.80:
10.0.5.80:
audio_output: [pci-0000_00_1f.3, analog-stereo]
10.0.6.80:
vars:
misc_clonescreen: true
```