NextCloud
memcache
sudo apt install php-apcu
config/config.php
'memcache.local' => '\OC\Memcache\APCu',
sudo systemctl restart php7.3-fpm.service nginx.service
imagick
apt install php-imagick
sudo systemctl restart php7.3-fpm.service nginx.service
nextcloud client build
$ sudo apt-get install build-essential git cmake openssl libssl-dev sqlite3 libsqlite3-dev qt5-default libqt5webkit5-dev qttools5-dev qttools5-dev-tools python-sphinx texlive-latex-base inotify-tools qt5keychain-dev doxygen extra-cmake-modules kio-dev
$ git clone https://github.com/nextcloud/desktop
$ mkdir build
$ cmake .. -DCMAKE_INSTALL_PREFIX=~/.local/ -DCMAKE_BUILD_TYPE=Debug -DNO_SHIBBOLETH=1