Learn how to install Docker on Ubuntu in this easy to follow guide for beginners. Just follow the steps and start using Docker in a matter of minutes.
Starting MySQL server and phpMyAdmin Services: Now, to start the mysql-server and phpmyadmin services, run the following command: $ docker-compose up -d. The services should start in the background. To see how the ports are mapped, run the following command: $ docker-compose ps. This code will install MySQL 5.7 on your machine + adminer (PHPMyAdmin). Your container will work on port 3306. To run and finish the job execute this command: sudo docker-compose -f stack.yml up or sudo docker-compose -f stack.yml start //to freeup the console.
Docker is a platform that packages the application and all its dependencies in the container so that the application works seamlessly. It uses virtualization technology to provide isolated containers for software and tools. They are similar to virtual machines, but containers are more portable, and more resource-friendly.
- Install Ssh Client In Docker Container; On ubuntu had to run sudo apt-get build-essential -y gcc docker-enter.c -o docker-enter sudo./docker-enter container-id Nice that I dont have to get the full ID like with lxc-attach -n Codebase is short enough that one can scan the entirety quickly to look for anything malicious.
- #docker-ubuntu-mysql Dedicated mysql container, intended for exposure to another container. This mysql container is based on ubuntu:trusty, and has the following in addition: mysql-server; Listens on 0.0.0.0 instead of the default 127.0.0.1; Port 3306 is exposed, in case you are not linking containers.
This article will show you the easiest way to install Docker on Ubuntu and get it running.
For a detailed introduction to the different components of a Docker container, you can check out What is Docker Container: An Introductory Guide for Beginners.
Installing Docker on Ubuntu
Docker is available for installation from the standard Ubuntu repos, but it may not always be the latest version. To ensure we get the latest version, we’ll install Docker from the official Docker repository.
1. Update Packages
First, update the packages index and install the dependencies necessary to add a new HTTPS repository.
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2. Add the Docker Repo
Next, import the GPG key for the official Docker repository to your system. This is a security feature to ensure that the software you’re installing is authentic.
In order to be able to install Docker on your Ubuntu system, you must first add the stable Docker APT repository to it:
Finally, update the package database with the Docker packages from the newly added repo:
3. Install Docker
To install the latest version of Docker on Ubuntu, run the command below.
Congratulations! Docker should now be installed, the service started and enabled to start on boot. In addition, you can check the Docker state using:
When a new version of Docker is released, you can just update the packages using the standard apt update procedure.
Enabling Non-root Users to Run Docker Commands
So far, we have successfully installed a Docker on your Ubuntu system.
By default, only root and user with sudo privileges can execute Docker commands. If you attempt to run the docker command without prefixing it with sudo, you’ll get an output like this:
To run Docker commands as a non-root user, you have to add your user to the docker group. To do that, type in:
In the command shown above, ${USER} is an environment variable that holds your username. To apply the new group membership, log out and back in.
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Conclusion
In this tutorial we’ve shown you how to install Docker on Ubuntu. To learn more about Docker, check out the official Docker documentation.
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