Initial admin setup wizard in Jenkins - Cheat Sheet & Quick Revision

Recall & Review

beginner

What is the purpose of the Jenkins Initial Admin Setup Wizard?

It helps you create the first admin user and configure basic settings after Jenkins installation, making sure your Jenkins instance is secure and ready to use.

beginner

Which file does Jenkins use to store the initial admin password needed for the setup wizard?

Jenkins stores the initial admin password in the file /var/lib/jenkins/secrets/initialAdminPassword on Linux systems.

intermediate

What happens if you skip installing suggested plugins during the Jenkins setup wizard?

You can manually install plugins later, but skipping suggested plugins means you start with fewer features and may need to add plugins for your needs.

beginner

How does the Jenkins setup wizard improve security?

By forcing you to create an admin user and set a password, it prevents unauthorized access to your Jenkins server right after installation.

advanced

Can you restart the Jenkins Initial Admin Setup Wizard after completing it?

No, once the setup wizard is completed, Jenkins assumes configuration is done. To rerun it, you must delete the jenkins.install.UpgradeWizard.state file and reset security settings manually.

Where do you find the initial admin password for Jenkins setup?

A /home/jenkins/.adminpass

B /etc/jenkins/adminPassword

C /usr/local/jenkins/password.txt

D /var/lib/jenkins/secrets/initialAdminPassword

The initial admin password is stored in the /var/lib/jenkins/secrets/initialAdminPassword file on Linux.

What is the first step in the Jenkins Initial Admin Setup Wizard?

A Enter the initial admin password

B Install Jenkins on the server

C Create a new Jenkins job

D Configure build agents

The wizard first asks you to enter the initial admin password to verify you have access.

What does the Jenkins setup wizard suggest installing after admin login?

A Firewall rules

B Operating system updates

C Suggested plugins

D Database drivers

The wizard suggests installing common plugins to add useful features to Jenkins.

Why is creating an admin user important during Jenkins setup?

A To secure Jenkins with a password

B To allow anonymous access

C To enable automatic backups

D To configure email notifications

Creating an admin user secures Jenkins by requiring login credentials.

If you want to rerun the Jenkins setup wizard, what must you do?

A Restart the Jenkins service

B Delete the initialAdminPassword file and reset security

C Reinstall Jenkins

D Clear browser cache

To rerun the setup wizard, you must delete the jenkins.install.UpgradeWizard.state file and reset Jenkins security settings.

Explain the steps you take when you first open Jenkins after installation.

Think about the order of actions from password to user creation.

Why is the Initial Admin Setup Wizard important for Jenkins security?

Consider what happens if Jenkins had no setup wizard.