pkg updateOther Systems
Table of Contents
Jenkins will notify you when updates are available.
Before you upgrade
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Ensure you have created a backup.
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Verify all running builds are complete.
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Ensure that a supported Java version is installed on the controller and all agents. For more information, refer to the upgrade guide.
FreeBSD
When Jenkins is installed from the FreeBSD pkg system, it should be upgraded with pkg.
Connect to your FreeBSD machine, get root access, and run the commands:
pkg upgrade jenkinsservice jenkins restartPost-update setup wizard
There are a few post upgrade steps to perform.
- Verify the version update
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The Jenkins server is up and running. Let’s now verify the version from the Jenkins dashboard:
The upgraded Jenkins version can be seen in the bottom right corner of the Jenkins UI.
- Upgrading Jenkins Java Version From 8 to 11
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Jenkins updates its minimum Java requirement every two years. The Java support policy provides more details. Java 17 is also supported as of the 2.361.1 Long Term Support release. Therefore, a best practice is to verify your Java version if you are upgrading from an older version. To upgrade Jenkins from Java 8 to Java 11, refer to the Upgrade Java Guideline and Java requirements.
- Compatibility with the new version
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Plugins are one of the most crucial parts of the Jenkins pipeline. In fact, each job uses a plugin for its execution. Check the available updates for installed plugins:
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Go to the Jenkins dashboard.
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Select Manage Jenkins in the navigation pane on the left side of the Jenkins dashboard.
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Select Manage Plugins.
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The above image shows that there is no need to update any plugins.
Sometimes a Jenkins plugin changes the data that it is storing. In other cases, a plugin that has been uninstalled may have left data in the system that Jenkins no longer needs. The "Manage old data" page allows administrators to remove those unused items.
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Go to the Jenkins dashboard
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Select Manage Jenkins in the navigation pane, on the left side of the Jenkins dashboard.
The above image shows that our new version isn’t compatible with the old version. However, we can fix the problem by selecting the Manage option.
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