Installing jenkins on ec2

install-jenkins-on-ec2

wget -q -O - https://jenkins-ci.org/debian/jenkins-ci.org.key | sudo apt-key add -
sudo sh -c 'echo deb http://pkg.jenkins-ci.org/debian binary/ > /etc/apt/sources.list.d/jenkins.list'
sudo apt-get update
sudo apt-get install jenkins

Goto IP:8080

Set up security:
IP:8080/configureSecurity/

(Check) Enable security -> (Check) Jenkins’ Own User Database -> (Check) Allow account creation

Create admin role with all permissions

Now log in, create account as "admin"

now back to configureSecurity: 

Enable security -> Jenkins’ Own User Database -> (UnCheck) Allow account creation