Sample code for installing Jenkins using Docker

Two problems that are easy to encounter when installing docker containers

1.Port is already allocated (port has been assigned)

Solution: Change the port

2. that container to be able to reuse that name

Solution: View (delete) the previous container

docker ps -a | grep jenkins_im
docker rm jenkins_im

Start the Docker service

sudo systemctl start docker

vi /home/jenkins/docker-compose.yml, create docker-compose.yml

version: '3'
services:
 Jenkins: 
  container_name: 'jenkins'
  image: jenkins/jenkins:lts
  restart: always
  user: jenkins:994
  ports: 
  - "11005:8080"
  - "50000:50000"
  - "10051:10051"
  volumes:
  - /home/jenkins/data:/var/jenkins_home
  - /usr/bin/docker:/usr/bin/docker
  - /var/run/docker.sock:/var/run/docker.sock

If there is no such file before, you cannot save it after modification. Change vi to vim

Here are the installation steps

Go to github and copy the command

docker run -p 8080:8080 -p 50000:50000 jenkins/jenkins:lts

Open the terminal and connect to the remote test server using ssh

Paste the command above, modify the default port 8080, map it to another host port, and specify the container name. Press Enter. If everything goes well, a string of hash values ​​will be printed out.

docker run --name jenkins_im -itd -p 11005:8080 -p 50000:50000 jenkins/jenkins:lts // -itd: Add an interactive terminal and let this command run docker in the background

Execute the following command to check whether the container is running

docker ps | grep jenkins_im

Execute the following command to print the information in the container. You will see an administrator password. Save it for later use. Press ctrl+c to exit the log command.

docker logs -f jenkins_im

If the firewall is not turned off, let the firewall open the 11005 port set above

firewall-cmd --add-port=11005/tcp --permanent

Then reload the firewall

firewall-cmd --reload

At this time, you can access it by adding the IP and port number of the virtual machine in the browser. The next steps are:

• Enter the administrator password you just saved
• Select Install recommended plugins
• If you see an offline reminder, it may be that the IP set previously cannot access Google's services. Some plug-ins need to access Google to download and install. The solution is to set up a proxy, or install it offline. You can configure the Tsinghua Accelerator Source Download Plug-in
• Create an administrator account
• The instance configuration will have a URL, which you will need to use when connecting to gitlab in the future. If you need to modify it, you can modify it in the system settings
• After logging in, configure the URL of the update site in the advanced of manage plugins in system management. What URL is it? It is the link of update-center.json of Tsinghua open source mirror.
• If you want to go to the official website to download relevant plug-ins, after downloading, click the upload plug-in here to install it.
• Run the container next time

docker start <container name>

This is the end of this article about sample code for installing Jenkins with Docker. For more information about installing Jenkins with Docker, please search for previous articles on 123WORDPRESS.COM or continue to browse the following related articles. I hope you will support 123WORDPRESS.COM in the future!