Linux Installation Instructions
Open up a system terminal and copy and paste the following commands.
sudo sh -c 'echo "deb https://packages.atlassian.com/debian/stride-apt-client $(lsb_release -c -s) main" > /etc/apt/sources.list.d/atlassian-stride.list'
wget -O - https://packages.atlassian.com/api/gpg/key/public | sudo apt-key add -
sudo apt-get update
sudo apt-get install stride