Install the GPG key:
wget -qO - https://download.sublimetext.com/sublimehq-pub.gpg | sudo apt-key add -
Ensure apt is set up to work with https sources:
sudo apt-get install apt-transport-https
Select the channel to use:
echo "deb https://download.sublimetext.com/ apt/stable/" | sudo tee /etc/apt/sources.list.d/sublime-text.list
echo "deb https://download.sublimetext.com/ apt/dev/" | sudo tee /etc/apt/sources.list.d/sublime-text.list
Update apt sources and install Sublime Text
sudo apt-get update
sudo apt-get install sublime-text
在Ubuntu上安装sublime 3 ，how to install sublime 3 text on Ubuntu 18.04
原文：https://www.cnblogs.com/y-joshua/p/9856520.html