Reset Jenkins Admin Password

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Stop Jenkins:

On Linux, use sudo service jenkins stop.

On Windows, stop the Jenkins service from the Services window.



Access the Jenkins Home Directory:

By default, the home directory is located at /var/lib/jenkins/ on Linux and %JENKINS_HOME% on Windows.

Remove the config.xml for Security:

In the Jenkins home directory, locate the config.xml file.

Open it in a text editor and search for the <useSecurity> tag.

Change the value to false:

xml

Copy code

<useSecurity>false</useSecurity>

File will look like below-


Save the file and exit.

Start Jenkins:

Start Jenkins again (sudo service jenkins start for Linux).

Jenkins should now start without asking for a login, and you can create a new user or reset the credentials.

Re-enable Security:

Once you've logged in and set up new credentials, go back to the config.xml file.

Set <useSecurity> back to true and restart Jenkins to enable security again.

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