If you want to use JavaFX with OpenJDK 8 on Ubuntu you have to install an older version of OpenJFX and its dependencies. sudo apt install openjdk-8-jdk openjfx=8u161-b12-1ubuntu2 libopenjfx-java=8u161-b12-1ubuntu2 libopenjfx-jni=8u161-b12-1ubuntu2 Hold the package, so they wont be upgraded on system updates. sudo apt-mark hold openjfx libopenjfx-java libopenjfx-jni Tested on Ubuntu 18.04.2
Because newer Ubuntu versions are using systemd for dns resolution instead of resolvconf, you need to modify your Openvpn client config a bit. Add following lines to your config (/etc/openvpn/myconnection.conf): script-security 2 setenv PATH /usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin up /etc/openvpn/update-systemd-resolved down /etc/openvpn/update-systemd-resolved down-pre Simply add the new update script by running: sudo apt install openvpn-systemd-resolved Or add the script manually: sudo wget https://raw.githubusercontent.com/jonathanio/update-systemd-resolved/master/update-systemd-resolved -P /etc/openvpn/ Server config To route all clients over the vpn gateway add following lines to your server config:...