all you need to add info in the CWP from other server and set access key
BACKUP SERVER - VPS (B)
Setup SSH KEY on Remote/Backup server (NOT ON YOUR CWP SERVER)
cd ~USERNAME
mkdir .ssh
chmod 700 .ssh
nano or vi to file and add key from CWP under backup (must be in one line): .ssh/authorized_keys
chmod 600 .ssh/authorized_keys
chown -R USERNAME:USERNAME .ssh