Jenkins can be installed through multiple methods:
1. WAR File (Simplest):
# Download Jenkins WAR file
wget https://get.jenkins.io/war-stable/latest/jenkins.war
# Run Jenkins
java -jar jenkins.war --httpPort=8080
2. Package Manager (Ubuntu/Debian):
curl -fsSL https://pkg.jenkins.io/debian/jenkins.io.key | sudo tee /usr/share/keyrings/jenkins-keyring.asc > /dev/null
echo deb [signed-by=/usr/share/keyrings/jenkins-keyring.asc] https://pkg.jenkins.io/debian binary/ | sudo tee /etc/apt/sources.list.d/jenkins.list > /dev/null
sudo apt update
sudo apt install jenkins
3. Docker:
docker run -p 8080:8080 -p 50000:50000 jenkins/jenkins:lts
After installation, access Jenkins at http://localhost:8080 and complete the setup wizard.
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