sudo wget -O - https://tagplus5.github.io/keeweb-ppa/ubuntu/gpg.key | sudo apt-key add - && \
sudo wget -O /etc/apt/sources.list.d/keeweb.list https://tagplus5.github.io/keeweb-ppa/ubuntu/keeweb.list && \
sudo apt update && \
sudo apt install keeweb-desktop