Jenkins : Install2024/06/21

	Install CD (Continuous Delivery) System, Jenkins.
[1]	Install OpenJDK, refer to here.
[2]	Install and start Jenkins.

# set Jenkins official repository

root@dlp:~#

curl -fsSL https://pkg.jenkins.io/debian-stable/jenkins.io-2023.key | tee /usr/share/keyrings/jenkins-keyring.asc

root@dlp:~#

echo deb [signed-by=/usr/share/keyrings/jenkins-keyring.asc] https://pkg.jenkins.io/debian-stable binary/ | tee /etc/apt/sources.list.d/jenkins.list

root@dlp:~#

apt update

root@dlp:~#

apt -y install jenkins

root@dlp:~#

vi /etc/default/jenkins

# line 63 : possible to change listening port if you need

HTTP_PORT=8080

root@dlp:~#

systemctl restart jenkins

[3]

Access to [https://(server's hostname or IP address):8080/] with Web browser from localhost or any Client Host, then, initial admin password is required to enter initial setup. Make sure initial admin password that is saved in [/var/lib/jenkins/secrets/initialAdminPassword] and input it to enter setup.

[4]	This is the Jenkins initial setup. Select to install suggested plugins or to install from your own selected plugins. (proceed with [suggested plugins] on this example)

[5]	The initial setup tasks run.

[6]	Setting administrative user and password is required. Set any username and password you like.

[7]	If you'd like to change Jenkins URL, change it on here. (proceed with default on this example)

[8]	Initial setup finished. Click [Start using Jenkins] button to move Jenkins index page.

[9]	This is the Jenkins index page.

[10]	For next access to Jenkins, Login form is shown like follows, it's possible to authenticate with users you added in Jenkins.

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