1. Add Repository key to the system
=> wget -q -O – https://pkg.jenkins.io/debian/jenkins-ci.org.key | sudo apt-key add –
2. Add Debian package into sources.list
=> echo deb https://pkg.jenkins.io/debian-stable binary/ | sudo tee /etc/apt/sources.list.d/jenkins.list
3. Update with a new list
=> sudo apt-get update
4. Install Jenkins
=> sudo apt-get install Jenkins
5. Start Jenkins
=> sudo systemctl start jenkins
=> sudo systemctl status jenkins
● jenkins.service – LSB: Start Jenkins at boot time
Loaded: loaded (/etc/init.d/jenkins; generated)
Active: active (exited) since Wed 2018-05-16 20:56:34 IST; 29s ago
Docs: man:systemd-sysv-generator(8)
Tasks: 0 (limit: 4915)
CGroup: /system.slice/jenkins.service
May 16 20:56:32 systemd[1]: Starting LSB: Start Jenkins at boot time…
May 16 20:56:33 jenkins[5853]: Correct java version found
May 16 20:56:33 jenkins[5853]: * Starting Jenkins Automation Server jenkins
May 16 20:56:33 su[5889]: Successful su for jenkins by root
May 16 20:56:33 su[5889]: + ??? root:jenkins
May 16 20:56:33 su[5889]: pam_unix(su:session): session opened for user jenkins by (uid=0)
May 16 20:56:33 su[5889]: pam_unix(su:session): session closed for user jenkins
May 16 20:56:34 jenkins[5853]: …done.
May 16 20:56:34 systemd[1]: Started LSB: Start Jenkins at boot time.
=> sudo ufw allow 8080
Rules updated
Rules updated (v6)
=> sudo ufw status
Status: inactive
==> sudo ufw allow OpenSSH
ERROR: Could not find a profile matching ‘OpenSSH’
===> sudo apt-get install ssh
===> sudo ufw allow OpenSSH
Skipping adding an existing rule
Skipping adding existing rule (v6)
===> sudo ufw enable
A firewall is active and enabled on system startup
=> sudo ufw status
Status: active
To Action From
— —— —-
8080 ALLOW Anywhere
OpenSSH ALLOW Anywhere
8080 (v6) ALLOW Anywhere (v6)
OpenSSH (v6) ALLOW Anywhere (v6)
6. Setting Jenkins
>> Use below command
=> sudo cat /var/lib/jenkins/secrets/initialAdminPassword
d10b7834824hsdjfn9ur90206b0sdyfbhs
=> Select Customize Jenkines
=> Getting Started
=> Create Account
=> Jenkins is Ready
=> Start using Jenkins
