15
votes
4answers
3k views

Can I find out which ssh key was used to access an account?

Is it possible to find out which ssh key was used to access an account? I have an account on a server that I let several (trusted!) people have access to via ssh. I'd find it useful to be able to ...
4
votes
1answer
589 views

Program to keep track number of login attempts

Is there any way to keep track of number of attempts made by a user to login into his system?