sudo add-apt-repository ppa:serge-rider/dbeaver-ce
sudo apt-get update
sudo apt-get install dbeaver-ce

or 

wget -O - https://dbeaver.io/debs/dbeaver.gpg.key | sudo apt-key add -
echo "deb https://dbeaver.io/debs/dbeaver-ce /" | sudo tee /etc/apt/sources.list.d/dbeaver.list
sudo apt-get update && sudo apt-get install dbeaver-ce