Introduction to Jenkins - Install Jenkins

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image source: jenkins.io

install docker on centos

$ sudo yum install -y yum-utils \
 device-mapper-persistent-data \
 lvm2
$ sudo yum-config-manager --add-repo https://download.docker.com/linux/centos/docker-ce.repo

$ sudo yum -y install docker-ce docker-ce-cli containerd.io
 
$ sudo systemctl start docker
$ sudo systemctl enable docker
$ sudo systemctl status docker
 
$ usermod -aG docker nanox

Install Docker Compose

$ sudo curl -L "https://github.com/docker/compose/releases/download/1.25.0/docker-compose-$(uname -s)-$(uname -m)" -o /usr/local/bin/docker-compose
$ chmod +x /usr/local/bin/docker-compose
$ docker-compose -v

Downloading the jenkins docker image

$ docker pull jenkins/jenkins
$ docker info | grep -i root
 Docker Root Dir: /var/lib/docker
$ du -sh /var/lib/docker
 586M /var/lib/docker

create a docker compose file for jenkins

$ mkdir jenkins-data
$ mkdir jenkins_home
$ cd jenkins-data
$ vi docker-compose.yml
version: '3'
services:
 jenkins:
 container_name: jenkins
 image: jenkins/jenkins
 ports:
 — "8080:8080"
 volumes:
 — $PWD/jenkins_home:/var/jenkins_home
 networks:
 — net
networks:
 net:

Create a Docker container for jenkins

$ sudo chown 1000:1000 jenkins_home -R
$ docker-compose up -d
$ docker ps
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
cdcd15d0b313 jenkins/jenkins “/sbin/tini — /usr/…” 21 seconds ago Up 19 seconds 0.0.0.0:8080->8080/tcp, 50000/tcp jenkins
$ docker logs -f jenkins
save password -> 
1c94a093462e46cab76f33exxxx

open browser http://192.168.88.24:8080

install suggested plugins

Thanks..

Reference: https://docs.docker.com/install/linux/docker-ce/centos/

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