If you get a “Permission denied (publickey,gssapi-keyex,gssapi-with-mic)” error when trying to connect your instance via putty in windows or terminal in Linux, Surely you need to recover your SSH keys.
Want to know the Process for that?
If yes, Visit: https://k21academy.com/oci29 and go through our new blog covering:
✔ Typical Scenarios When you need to recover your SSH Keys
✔ Steps to recover SSH Keys on compute instance
Oracle ACE, Author, Speaker and Founder of K21 Technologies & K21 Academy : Specialising in Design, Implement, and Trainings.