Here are some debug infos:
Tried to install source (groupoffice-server and web client as described here ->
https://github.com/Intermesh/groupoffic ... /README.md):
Errors calling /webclient:
The requested URL /webclient/ was not found on this server
Errors calling /webclient/app:
PHP Warning: opendir(./core/resources/iconfont): failed to open dir: No such file or directory in /var/www/html/webclient/app/index.php on line 124
Errors calling calling /api:
PHP Fatal error: require(): Failed opening required '/var/www/groupoffice-server/vendor/autoload.php' (include_path='.:/usr/share/php:/usr/share/pear') in /var/www/groupoffice-server/public/index.php on line 6
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Tried to install via groupoffice-installer as described here ->
https://github.com/Intermesh/groupoffice-installer:
calling /groupoffice-installer ->
1) Filled in credentials (screenshot credentials)
2) Followed the permissions screen (screenshot permissions) and got error, that directory groupoffice-server is not present; created it
3) process tsrated (screenshot process) and never comes to an end
apache error-log:
[Mon Jul 31 08:53:07.836881 2017] [:error] [pid 8554] [client 87.140.100.188:53258] PHP Notice: ob_end_clean(): failed to delete buffer. No buffer to delete in /var/www/html/groupoffice-installer/index.php on line 2
[Mon Jul 31 08:54:30.927660 2017] [:error] [pid 8552] [client 87.140.100.188:53280] PHP Notice: ob_end_clean(): failed to delete buffer. No buffer to delete in /var/www/html/groupoffice-installer/index.php on line 2, referer:
https://80.86.91.246/groupoffice-installer/
[Mon Jul 31 08:56:56.219931 2017] [:error] [pid 8550] [client 87.140.100.188:53291] PHP Notice: ob_end_clean(): failed to delete buffer. No buffer to delete in /var/www/html/groupoffice-installer/index.php on line 2, referer:
https://80.86.91.246/groupoffice-installer/
[Mon Jul 31 08:56:56.223044 2017] [:error] [pid 8550] [client 87.140.100.188:53291] PHP Warning: require(/var/www/html/groupoffice-server/vendor/autoload.php): failed to open stream: No such file or directory in /var/www/html/groupoffice-installer/Installer.php on line 41, referer:
https://80.86.91.246/groupoffice-installer/
[Mon Jul 31 08:56:56.223074 2017] [:error] [pid 8550] [client 87.140.100.188:53291] PHP Fatal error: require(): Failed opening required '/var/www/html/groupoffice-server/vendor/autoload.php' (include_path='.:/usr/share/php:/usr/share/pear') in /var/www/html/groupoffice-installer/Installer.php on line 41, referer:
https://80.86.91.246/groupoffice-installer/