How to install the latest version of the Sublime Text editor on Ubuntu or Mint.
wget -qO - https://download.sublimetext.com/sublimehq-pub.gpg | sudo apt-key add -
sudo apt-get install apt-transport-https
echo "deb https://download.sublimetext.com/ apt/stable/" | sudo tee /etc/apt/sources.list.d/sublime-text.list
sudo apt-get update
sudo apt-get install sublime-text
It will add the sublime-text.list file in /etc/apt/sources.list.d directory.