(Resolved) Port 22 Connection Refused on Ubuntu & Debian
The “Connection Refused” error means that the computer is not accepting connection requests to the requested IP address and port. Connection requests may be blocked by a firewall, which is why “Connection refused” is displayed.
When a computer receives a connection request from an IP address and port that it wants to connect to, but the firewall blocks the connection, the “Connection Refused” error message appears. “Connection refused” can be due to a firewall blocking connection requests. In some cases, none of the services are listening on the requested port also causes the “Connection Refused” error.
(Resolved) Port 22 Connection Refused on Ubuntu & Debian – TecAdmin
Tecadmin showing you how to fix "Port 22 Connection Refused" on Ubuntu and Debian.