Hi,  I deleted this file in my ubuntu ec2 instance : 1.content_repository  2.database_repository  3.flowfile_repository 4.provenance_repository and also delete file in conf ->  flow.xml.gz after the deleting this files in my ubuntu ec2 instance i will restart nifi.sh after that the nifi is runing but i will open my ip address in chrome http://54.89.235.124:8443/ i am getting this site cann't reached error. in my putty i am getting like this  please help to resolve this issue       ... View more