From my primary system, I use ssh-copy-id to the various systems I intend to ssh into. I also create unique keys on any of those systems which I will need to ssh back to my primary system.
Ran into something new that I thought I’d share: I have a laptop running Ubuntu Gnome (18.04 LTS) that I’d previously configured with ssh-keygen / ssh-copy-id to ssh between laptop and primary desktop. Decided to install Pop!_OS on a new partition on the laptop. After configuration, I got a MITM warning from primary when trying to ssh to laptop because EDCSA key is different. The solution was to run ssh-keyscan, copy the response info and add that to end of ~/.ssh/known_hosts and rehash known_hosts file. Commands are:
How do I Import my existing SSH-Keys into a new Linux system? Lets say I switch Distro on my PC instead of issuing SSH-Keygen again and copying the new key to servers - how do I import the that key into a new distro so I can SSH into my systems?
Are there any good SSH-Key Manager (GUI?) for generating and distributing SSH Keys?
Like “a new person wants to connect to all the servers - Auto Create Accounts on Linux, sets rights and distribute ssh keys”.