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Andrew David Wong 2021-04-06 01:18:20 -07:00
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user/advanced-configuration/gui-configuration.md
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@ -28,6 +28,11 @@ Where `$WIDTH`×`$HEIGHT` is the maximum desktop size that you anticipate needin
For example, if you expect to use a 1080p display and a 4k display side-by-side, that is `(1920 + 3840) × 2160 × 4 / 1024 = 48600`, or slightly more than 48 MiB per qube.
After making these adjustments, the qubes need to be restarted.
In the case of multiple display with different orientations or if you plug/unplug displays, the following code will set correct memory size using xrandr.
```sh
qvm-features dom0 gui-videoram-min $(xrandr --verbose | grep "Screen 0" | sed -e 's/.*current //' -e 's/\,.*//' | awk '{print $1*$3*4/1024}')
```
The amount of memory allocated per qube is the maximum of:
- `gui-videoram-min`
- current display + `gui-videoram-overhead`