Jenkins LTS on Fedora 33 Server

[Horst Kronstorfer]

hi!

i have installed jenkins lts according to the installation instructions @ https://www.jenkins.io/doc/book/installing/linux/#fedora but when i try to start the service it fails:

# systemctl start jenkins

Failed to start jenkins.service: Unit jenkins.service not found.

as it turns out the rpm does not contain the jenkins.service file:

# dnf repoquery --list jenkins
/etc/init.d/jenkins
/etc/logrotate.d/jenkins
/etc/sysconfig/jenkins
/etc/yum.repos.d/jenkins.repo
/usr/lib/jenkins
/usr/lib/jenkins/jenkins.war
/usr/sbin/rcjenkins
/var/cache/jenkins
/var/lib/jenkins
/var/log/jenkins
/etc/init.d/jenkins
/etc/logrotate.d/jenkins
/etc/sysconfig/jenkins
/etc/yum.repos.d/jenkins.repo
/usr/lib/jenkins
/usr/lib/jenkins/jenkins.war
/usr/sbin/rcjenkins
/var/lib/jenkins
/var/log/jenkins
/etc/init.d/jenkins
/etc/logrotate.d/jenkins
/etc/sysconfig/jenkins
/usr/lib/jenkins
/usr/lib/jenkins/jenkins.war
/usr/sbin/rcjenkins
/var/cache/jenkins
/var/lib/jenkins
/var/log/jenkins

is this file missing or am i supposed to provide one myself?

regards

-h

[Fritz Elfert]

In Fedora terms, jenkins is a so called legacy service. It does not provide a service file, but an old style System V init script.
That should be recognized by systemd, but for doing so, AFAIK it needs a package called initscripts. Maybe that one is missing
on your system?

Cheers
-Fritz

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[Francesco Chemolli]

Solved. The plugin's name "Hudson bolts and latches" might have been a hint.

Thanks for the help!

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    Francesco

[Francesco Chemolli]

whoops, wrong thread. Apologies.

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    Francesco

[Horst Kronstorfer]

hi!

in fact systemd recognizes jenkins as a legacy service when trying to enable it ... (this step is missing in the documentation):

# systemctl enable jenkins

jenkins.service is not a native service, redirecting to systemd-sysv-install.
Executing: /usr/lib/systemd/systemd-sysv-install enable jenkins
Failed to execute /usr/lib/systemd/systemd-sysv-install: No such file or directory

systemd-sysv-install is part of package chkconfig, so after executing ...

# dnf install chkconfig

# systemctl enable jenkins

# systemctl start jenkins

... it works!

thx!

regards

-h

[Mark Waite]

Thanks for describing the problem and for your investigation.  I've submitted https://github.com/jenkins-infra/jenkins.io/pull/4308 to update the documentation.  Would love to have your approval of the pull request, since I don't have a Fedora 33 system available.