Bitbucket
Bitbucket is a web-based version control repository hosting service owned by Atlassian, for source code and development projects that use either Mercurial or Git revision control systems.
Connecting to Bitbucket with SSH
Check the SSH section to see if you have any existing SSH keys.
To add the SSH key to your Bitbucket account:
sudo apt install xclip
xclip -sel clip < ~/.ssh/id_rsa.pub
and go to your Bitbucket settings to add the new key.