How to Install Jenkins, NGINX on CentOS 7.3 & Configure jenkins through NGINX. in 10 Steps

Install Jenkins, NGINX on CentOS 7.3 & Configure jenkins through NGINX.

1. Install CentOS 7.2
2. Update the OS.

yum install epel-release
yum list update
yum check-update
yum update
reboot

3. Disable selinux and Filewall service.

 sestatus
systemctl stop firewalld.service
systemctl disable firewalld.service
systemctl -all | grep -i firew
reboot

4. Install Java

yum install java-1.8.0-openjdk.x86_64
java -version

5.  set two environment variables: "JAVA_HOME" and "JRE_HOME".

  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
echo $JAVA_HOME
echo $JRE_HOME

6. Install Jenkins

yum install wget telnet
 wget -O /etc/yum.repos.d/jenkins.repo http://pkg.jenkins-ci.org/redhat-stable/jenkins.repo
rpm --import http://pkg.jenkins-ci.org/redhat-stable/jenkins-ci.org.key
yum install jenkins

7. Start the service and Enable Service.

 systemctl start jenkins.service
 systemctl enable jenkins.service

8. Install Nginx
yum install nginx
vi /etc/nginx/nginx.conf

    server {
        listen       80 default_server;
        listen       [::]:80 default_server;
        server_name  _;
        root         /usr/share/nginx/html;

        # Load configuration files for the default server block.
        include /etc/nginx/default.d/*.conf;

        location / {
    proxy_pass http://127.0.0.1:8080;
    proxy_redirect off;
    proxy_set_header Host $host;
    proxy_set_header X-Real-IP $remote_addr;
    proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
    proxy_set_header X-Forwarded-Proto $scheme;
        }

        error_page 404 /404.html;
            location = /40x.html {
        }

        error_page 500 502 503 504 /50x.html;
            location = /50x.html {
        }
    }

9. Enable and start nginx Service

systemctl start nginx.service
systemctl enable nginx.service
systemctl status nginx.service

10. Now access your Jenkins.

http://<Jenkins-server-IP>