apt install default-jdk # Import lsFusion GPG Key wget --quiet -O - https://download.lsfusion.org/apt/GPG-KEY-lsfusion | sudo apt-key add - # Install lsFusion repo echo deb https://download.lsfusion.org/apt all main > /etc/apt/sources.list.d/lsfusion.list apt update # Install lsFusion client apt install -y lsfusion4-client