How to update jenkins in ubuntu?

@ethelyn 

To update Jenkins in Ubuntu, you can follow these steps:

1. First, make sure that you have the latest version of the Jenkins package available in the Ubuntu repository by running the following command:

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sudo apt-get update

1. Next, upgrade the Jenkins package to the latest version by running the following command:

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sudo apt-get upgrade jenkins

1. If you have installed Jenkins from a different repository or if you have manually installed Jenkins, you can update Jenkins by downloading the latest version from the Jenkins website and replacing the existing installation with the new version.
2. After updating Jenkins, you may need to restart the Jenkins service to apply the changes. You can do this by running the following command:

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sudo systemctl restart jenkins

1. If you are using an older version of Jenkins and want to upgrade to a newer version, you may need to follow additional steps to migrate your existing configuration and plugins to the new version. You can find more information about upgrading Jenkins in the Jenkins documentation.

I hope this helps! Let me know if you have any questions.