[{ALLOW view All}]
[{ALLOW edit Markus}]

[Docu Installation|https://docs.nextcloud.com/server/latest/admin_manual/installation/source_installation.html]

Check version
# [https://www.mebelit.de:444/index.php/login]
# Profil > Administrationseinstellungen > Version

[Logging|https://docs.nextcloud.com/server/stable/admin_manual/configuration_server/logging_configuration.html]
enable
{{{
> vi /nextcloud/config/config.php

# Markus added:
'log_type' => 'file',
'logfile' => 'nextcloud.log',        # files is stored under /nextcloud
'loglevel' => 3,
'logdateformat' => 'F d, Y H:i:s',
}}}

Upgrade
There is \\
Profil > Administrationseinstellungen > Updater. \\
But this failed with "Verify integrity fails" (?).\\
Logs and temporary storage is under /nextcloud/data/...\\

Based on [Troubleshooting|https://docs.nextcloud.com/server/latest/admin_manual/maintenance/update.html#troubleshooting] I run on command line successfully
{{{
sudo -E -u www-data php /nextcloud/updater/updater.phar
}}}

Mods needed
{{{
apache2ctl -M | sort  <= check mods => not installed

mod_webdav => disable !

> a2ensite nextcloud.conf

> a2enmod rewrite
> a2enmod headers
> a2enmod env
> a2enmod dir
> a2enmod mime
> a2enmod php 
> a2enmod setenvif
> a2enmod mod_fcgid
> a2enmod ssl


> systemctl restart apache2
}}}