Using WSL as a VirtualGL server platform isn't officially supported, because it doesn't make sense in production VirtualGL environments to use a Windows workstation as a virtual Linux server.  However, there is no technical reason why it shouldn't work.

Issue #65 (the necessity to use LightDM on Ubuntu 16.04 and later) was worked around in VirtualGL 2.6.2, so that issue is no longer relevant in the latest releases of VirtualGL.

I need to reproduce the issue before we can proceed, so please specify the version of Ubuntu you are using.  Also, please make sure you are
using the latest release of VirtualGL.


On 5/6/21 11:02 AM, southern.cross wrote:
Has anyone had success in getting VGL to work on any version of WSL2 Ubuntu?

The VGL installation is not making /etc/opt/VirtualGL/vgl_xauth_key

The following told me to use lightdm: https://github.com/VirtualGL/virtualgl/issues/65

I successfully completed:

sudo systemctl disable gdm3
sudo apt install lightdm

But  not,
sudo systemctl enable lightdm

I get:

root@SEDACS29L:~# systemctl enable lightdm
Synchronizing state of lightdm.service with SysV service script with /lib/systemd/systemd-sysv-install.
Executing: /lib/systemd/systemd-sysv-install enable lightdm
The unit files have no installation config (WantedBy=, RequiredBy=,
Also=,
Alias= settings in the [Install] section, and DefaultInstance= for template
units). This means they are not meant to be enabled using systemctl.

Possible reasons for having this kind of units are:
• A unit may be statically enabled by being symlinked from another unit's
  .wants/ or .requires/ directory.
• A unit's purpose may be to act as a helper for some other unit which has
  a requirement dependency on it.
• A unit may be started when needed via activation (socket, path, timer,
  D-Bus, udev, scripted systemctl call, ...).
• In case of template units, the unit is meant to be enabled with some
  instance name specified.

If I proceed and try to run,

/opt/VirtualGL/bin/vglserver_config -config -s

even after a wsl --shutdown and relaunch I cannot get /etc/opt/VirtualGL/vgl_xauth_key to be created.

Google searches have not shown any results of VGL being used with WLS2 Ubuntu... Is this not a supported use case?

Thanks in advance.
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