openssl genrsa -out orangehrm.mydomain.com.key 4096
openssl req -new -key orangehrm.mydomain.com.key -out orangehrm.mydomain.com.csr
openssl x509 -in orangehrm.mydomain.com.csr -out orangehrm.mydomain.com.crt -req -signkey orangehrm.mydomain.com.key -days 365