apt install putty-tools
puttygen SOURCE.ppk -o private-openssh -o DEST-priv
ssh -i DEST-priv USER@<IP>
SSH enhance security: https://blog.zsec.uk/locking-down-ssh-the-right-way/
Tunnel to access 1
ssh -p8522 -L 13389:<ip>:3389 <user>@<server.com>
Tunnel to access 2
ssh -p8522 -L 13390:<ip>:3389 <user>@<server.com>
nohup ssh -L 0.0.0.0:3389:10.10.10.10:3389 root@127.0.0.1 "ping 127.0.0.1 >/dev/null" &