View source for Jenkins: Install Jenkins on Redhat 9 with OpenJDK 17

Install Jenkins on Redhat 9 with OpenJDK 17

= Install Jenkins =

1) Configure Jenkins repository

 sudo wget -O /etc/yum.repos.d/jenkins.repo <nowiki>https://pkg.jenkins.io/redhat-stable/jenkins.repo</nowiki>
 sudo rpm --import <nowiki>https://pkg.jenkins.io/redhat-stable/jenkins.io-2023.key</nowiki>
 sudo yum upgrade

2) Add required dependencies for the jenkins package

 sudo yum install fontconfig java-17-openjdk
 sudo yum install jenkins
 sudo systemctl daemon-reload

3) Configure to use java-17-openjdk

In my case I need to have java-11 and java-17 on RedHat, i will configure Jenkins service to use jdk 17

I prefere to use vim as system editor

 export SYSTEMD_EDITOR=vim

Edit 

 systemctl edit jenkins --full

Uncomment and define JAVA_HOME

 Environment="JAVA_HOME=/usr/lib/jvm/java-17-openjdk"

Save and Quit

4) Start and enable Jenkins service using following commands

 sudo systemctl start Jenkins
 sudo systemctl status jenkins

Optional 5) Configure Firewall

 sudo firewall-cmd --add-port=8080/tcp --permanent
 sudo firewall-cmd --reload

= Configure =

1) Open your browser and access Jenkins Web Interface

 <nowiki>http://your_server_ip_or_domain:8080</nowiki>

2) Get initial password

 sudo cat /var/lib/jenkins/secrets/initialAdminPassword

and add put in browser

3) Install Suggested Plugins

4) Create a admin user

5) Save and finish

= Using Jenkins =

1) Create a new Job

 Demo Job

2) On '''Build Steps''', click on '''Add Build Step''' and choose '''Execute Shell'''.

3) Add the following code

 #!/bin/bash
 
 echo "dummy test jenkins"

Save

4) On '''Demo Job''', click in '''Build Now'''.

5) After run, click in '''Console Output'''.

= Ver também =

* [[DevOps| Artigos sobre DevOps]]
* [[Cloud| Artigos sobre Cloud]]
* [[Tecnologias|  Mais Artigos sobre Cloud / WebDev / Tecnologias]]

[[Category:Jenkins]]
[[Category:DevOps]]
[[Category:Cloud]]
[[Category:WebDev]]
[[Category:Tecnologias]]