Tagged: Secure Shell

How To Fix WARNING: REMOTE HOST IDENTIFICATION HAS CHANGED Error In Linux

Fix “WARNING: REMOTE HOST IDENTIFICATION HAS CHANGED” Error In Linux

Today, I tried to SSH into my remote Ubuntu 20.04 LTS server and encountered with this message – WARNING: REMOTE HOST IDENTIFICATION HAS CHANGED!. $ ssh [email protected] Sample output: @ @ @ @ @ @...

Find If A User Is Using Password-based Or Key-based SSH Authentication In Linux

Find If A User Is Using Password-based Or Key-based SSH Authentication

Picture this scenario. You just configured SSH key-based authentication in your Linux server. Then you decided to disable password-based authentication completely and allow only key-based authentication to all users. Before disabling the password authentication, you’d...