Repository-Key hinzufügen:

wget -qO - https://download.sublimetext.com/sublimehq-pub.gpg | sudo apt-key add -


Sublime in sources.list eintragen:

echo "deb https://download.sublimetext.com/ apt/dev/" | sudo tee /etc/apt/sources.list.d/sublime-text.list


Sublime installieren/updaten:

sudo apt update && sudo apt install sublime-text