One Linux connect to the Other Linux OS without password steps
1.Logon Linux with your account
cd ~/.ssh
ssh-keygen -t rsa
2. Cd to the dir ~/.ssh/
cp id_rsa.pub authorized_keys
3. Copy keys to remote Linux server
scp authorized_keys root@xx.xxx.xxx.xxx:/etc/ssh/keys-root/authorized_keys (for VMware esxi server)
scp authorized_keys root@xx.xxx.xxx.xxx:~/.ssh/(for Other Linux OS)
4. Try connect Linux server you may do not need password now
ssh root@xx.xxx.xxx.xxx
