Job for jenkins.service failed because the control process exited with error code. See “systemctl status jenkins.service” and “journalctl -xe” for details.
If you get above message uninsall Jenkins and try again using this method
sudo yum -y remove java sudo yum -y install java-1.8.0-openjdk
sudo cp /etc/profile /etc/profile_backup
echo 'export JAVA_HOME=/usr/lib/jvm/jre-1.8.0-openjdk' | sudo tee -a /etc/profile
echo 'export JRE_HOME=/usr/lib/jvm/jre' | sudo tee -a /etc/profile
source /etc/profile
sudo wget -O /etc/yum.repos.d/jenkins.repo https://pkg.jenkins.io/redhat/jenkins.repo sudo rpm --import https://pkg.jenkins.io/redhat/jenkins.io.key
yum install jenkins
Start Jenkins
sudo systemctl enable jenkins sudo systemctl start jenkins
To access Jenkins in Browser, use your public IP address and port 8080
http://54.202.209.30:8080/login (I am using Linux Academy Server)