Is there a way to prevent a certain SSH key to be automatically added to an SSH agent while all others are automatically added?
For example, assume all my keys are protected by a passphrase. I would like that my key
(A) is automatically added to an SSH agent, but not key
(B). That would mean that I have to enter my passphrase for
(B) whenever I use it and for
(A) only the very first time of use.
Update: I'm using Fedora 33 with GNOME 3.38