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Jenkins is an open source automation server written in Java. The project was forked from Hudson after a dispute with Oracle[1].

Common use case of Jenkins is automation of continuous integration (CI) and continuous delivery (CD) related tasks.


USE flags

USE flags for dev-util/jenkins-bin The leading open source automation server


root #emerge --ask dev-util/jenkins-bin


First configuration

Open http://localhost:8080 with a web browser and follow the first configuration steps.

General configuration

The main configuration dashboard is at http://localhost:8080/manage.


The security configuration page is accessible on the configuration dashboard, or directly on http://localhost:8080/configureSecurity/.

Allow remote command-line interface

To allow anyone to connect with Command-line interface (CLI), activate two options:

  1. "Allow anonymous read access" in "Authorisations" section,
  2. "Enable CLI over Remoting" in the "CLI" section.




For a oneshot start:

root #systemctl start jenkins

To enable the service at each startup:

root #systemctl enable jenkins

Access from the command-line

You must have remote CLI option activated.

Download http://localhost:8080/jnlpJars/jenkins-cli.jar.

To obtain the list of possible commands, open a console or a terminal and enter:

user $java -jar jenkins-cli.jar -s http://localhost:8080/ help


  1. Continuous Integration: Hudson vs. Jenkins - DevTeam.Space, Retrieved on December 1, 2018