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man page: Add FAQ entry about unsupported protocols

pull/173/head
Andri Yngvason 2022-10-24 21:12:32 +00:00
parent d04da7edb7
commit 29b5988834
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wayvnc.scd
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@ -161,6 +161,19 @@ _XDG_CONFIG_HOME_
# FAQ
*Wayvnc complains that a protocol is not supported*
The error might look like this:
```
wl_registry@2: error 0: invalid version for global zxdg_output_manager_v1 (4): have 2, wanted 3
ERROR: ../src/main.c: 388: Screencopy protocol not supported by compositor. Exiting. Refer to FAQ section in man page.
ERROR: ../src/main.c: 1024: Failed to initialise wayland
```
This means that your wayland compositor does not implement the
screencopy protocol and wayvnc won't work with it. Screencopy is
implemented by wlroots based compositors such as Sway and Wayfire.
*How can I run wayvnc in headless mode/over an SSH session?*
Set the environment variables _WLR_BACKENDS_=headless and