Try the following,
Delete the certificates
Generate new certs,
openssl genrsa -des3 -passout pass:12345 -out ca.key 4096
openssl req -passin pass:12345 -new -key ca.key -out ca.csr -batch
openssl x509 -passin pass:12345 -req -days 365 -in ca.csr -signkey
ca.key -out ca.crt
Run ambari-server setup-https
Using python /usr/bin/python2.6
Setting up HTTPS properties...
Do you want to disable SSL [y/n] n?
SSL port [8443] ?
Please enter path to Certificate: ca.crt
Please enter path to Private Key: ca.key
Please enter password for private key:
WARNING: There is no Common name in certificate
WARNING: Validation of certificate hostname failed
Importing and saving certificate...done.
NOTE: Restart Ambari Server to apply changes ("ambari-server
restart|stop|start")
Cleaning bootstrap directory (/var/run/ambari-server/bootstrap) contents...
Adjusting ambari-server permissions and ownership...
ambari-server restart
Thanks,
Alejandro
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