klo2k/screenshare part of desktop as virtual monitor (xrandr).md

Last active March 26, 2022 08:47

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Create virtual monitor - Screencast share portion of screen via Teams / Google Meet etc...

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screenshare part of desktop as virtual monitor (xrandr).md

Create virtual monitor - Screencast share portion of screen via Teams / Google Meet etc...

Create virtual monitor to share, say top-right quarter of my 4k screen

xrandr --setmonitor CAST-1 1920/1x1080/1+1920+0 none

i.e.
-----------------------------------------
|    4k monitor     |   Virtual screen   |
|                   |     (to share)     |
|                   |                    |
|                   ----------------------
|                                        |
|                                        |
|                                        |
------------------------------------------

Open Teams / Google Meet etc... share the new virtual screen
Clean-up
```
xrandr --delmonitor CAST-1
```