I updated my NC to 19.0.0.12, so I can use Collabora Online (richdocuments: 3.7.0)
and Collabora Online - Built-in CODE Server (richdocumentscode: 4.2.403).
Sadly I don’t get an option like shown in this screenshot:
You’re problem seems to be different. Have you tried to run the AppImage by the terminal on your server? sudo -u www-data apps/richdocumentscode/collabora/Collabora_Online.AppImage
On an other server I got the error message:
fuse: failed to exec fusermount: No such file or directory
Cannot mount AppImage, please check your FUSE setup.
You might still be able to extract the contents of this AppImage
if you run it with the --appimage-extract option.
See FUSE · AppImage/AppImageKit Wiki · GitHub
for more information
open dir error: No such file or directory
Then I installed the package fuse on my debian 10 system sudo apt install fuse. Then it worked for me.
Extract the tar file from the gz - documentserver_community.tar
Copy the TAR to the /tmp directory on your NextCloud instance
Extract the tar to the apps dir of your Nextcloud with this command. Mine was in /var/www/nextcloud/apps
sudo tar -xvf /tmp/documentserver_community.tar -C /var/www/nextcloud/apps
Restart your server and the Collabora Online Built-in CODE will be available to Enable in your apps.