Troubleshooting of the error:\n\nObviously after a server change, RSA/SSH key will be different from the old server.\n\nRemoved the old server name from the EMA server.\n/home/emauser/.ssh/known_hosts\n/home/ingres/.ssh/known_hosts\n/home/ingres/ema/ema/nagios/etc/ssh/known_hosts\n/root/.ssh/known_hosts  /var/lib/docker/overlay/bef351a0712328c65702314fa6c6ba5a7b47a6043a1651ad8d76914bd415c4b2/upper/root/.ssh /known_hosts\n\nPush the RSA/SSH Key again from docker to EMA server -- SUCCESS!