ssh

• ssh-keygen -o -a 100 -t ed25519 -f ~/.ssh/id_ed25519 -C "<user@host>" Generate a strong ssh key
• eval $(ssh-agent -s) Start the ssh agent
• ssh-keygen -R <hostname_or_ip> Remove a host fingerprint from the known hosts

curl

• curl -s "https://pypi.org/pypi/<package_name>>/json" | jq -r '.releases | keys | .[]' | sort -V Get all available versions of a package from pypi.org