Difficulty in connecting try hack me server in my kali machine

I went to room of Linux Privilege Escalation there I am trying to connect ssh server to my machine I also have downloaded openVpn InRegular file and then by using "openvpn file_name.ovpn" connect the vpn. For confirming it I go to 10.10.10.10 it is showing connected but when i came to login ssh server by using the command ssh user@<#ip> it showing

 (kali㉿kali)-[~]└─$ ssh user@10.10.11.11

Unable to negotiate with 10.10.11.11 port 22: no matching host key type found. Their offer: ssh-rsa,ssh-dss

after that as per the website I tried this

(kali㉿kali)-[~]└─$ ssh user@10.10.43.161 -oHostKeyAlgorithms=+ssh-rsa

after some time it is showing the same

ssh: connect to host 10.10.43.161 port 22: Connection timed out

I have been trying since morning it took so many hours but it is not connecting.As I seen THM gives an option of opening their web boxes and work their but these are very slow and keeps irritating.It's a humble request, please provide step by step solution so that I can be clear from scratch

I have tried openVPN (InRegular) and connect to THM and tried to connect ssh server by using the command ssh@<ip> and I got repetitive errors connection time out. I expect that for god shake it will connect so that i can utilize my time not wasting in these things.