Using Docker Ubuntu

For this guide, we will install Docker Community Edition (CE). Prerequisites: A installation of Ubuntu 20.04 server. A user with privileges to run sudo command. Installing Docker on Ubuntu 20.04. To use the latest version of Docker, we will install it from the official Docker repository. First, install the OpenVPN package in the client machine as follows. $ sudo yum install openvpn #CentOS 8/7/6 $ sudo apt install openvpn #Ubuntu/Debian $ sudo dnf install openvpn #Fedora 22+/CentOS 8 9. On a desktop system, you also need to install the network-manager-openvpn package to make VPN settings from the graphical interface. To follow this article, you will need an Ubuntu 16.04 server with the following: A non-root user with sudo privileges (Initial Server Setup with Ubuntu 16.04 explains how to set this up.) Docker installed with the instructions from Step 1 and Step 2 of How To Install and Use Docker on Ubuntu 16.04; Once these are in place, you’re ready to. Step 2) Install Docker (Container Runtime) on all 3 nodes. Login to each node and run the following commands to install docker, $ sudo apt update $ sudo apt install -y docker.io. Now start and enable docker service on each node using beneath systemctl command, $ sudo systemctl enable docker.service -now.

Docker Compose is a Python program that lets you easily deploy multiple containers on a server.

Sudo service docker restart If you are on Ubuntu 14.04-15.10. use docker.io instead: sudo service docker.io restart (If you are on Ubuntu 16.04 the service is named 'docker' simply) Either do a newgrp docker or log out/in to activate the changes to groups. Let’s suppose, we want to create an Ubuntu container from the available Ubuntu image. You can use the following command: $ docker run -it ubuntu. The -it option tells run command to run an interactive shell. You will see a command prompt like this: email protected:/#. Unless you need the latest Docker Compose version for some specific reasons, you can manage very well with the docker compose version provides by Ubuntu. Docker Compose is available in the universe repository of Ubuntu 20.04 and 18.04 so make sure to enable it first: sudo add-apt-repository universe. You probably won't need it but no harm in. Step 4 – Check Docker Version. Check Docker Version using the following command $ docker – -version Docker version 19.03.8, build afacb8b7f0. Uninstall Docker on Ubuntu. Use the following command to uninstall docker completely, including Docker Engine, CLI and Containerd Package $ sudo apt-get purge docker-ce docker-ce-cli containerd.io -y. Notice that docker-ce is not installed, but the candidate for installation is from the Docker repository for Ubuntu 20.04 ( focal ). Finally, install Docker: sudo apt install docker-ce. Docker should now be installed, the daemon started, and the process enabled to start on boot.

As you start exploring Docker, you'll learn that often to run a certain web-app, you'll need to run various services (like database, web-server etc) in different containers.

Deploying multiple containers is a lot easier with Docker Compose.

In this tutorial, you'll learn two ways of installing Docker Compose on Ubuntu:

  • Installing Docker Compose from Ubuntu's repository: Easier method but may not have the latest version of docker compose
  • Installing the latest Docker Compose using PIP: Gets you the newer docker compose version

Keep in mind that to use Docker Compose, you must have Docker installed on Ubuntu.

Install Docker Compose from Ubuntu's repository

This is the easiest and recommend method. Unless you need the latest Docker Compose version for some specific reasons, you can manage very well with the docker compose version provides by Ubuntu.

Docker Compose is available in the universe repository of Ubuntu 20.04 and 18.04 so make sure to enable it first:

You probably won't need it but no harm in updating the local cache:

Now you can install Docker Compose in Ubuntu using this command:

You can check that Docker Compose is installed successfully by checking its version:

It should show an output like this:

Install the latest Docker Compose on Ubuntu using PIP

Install Sudo Ubuntu Docker Windows 7

PIP stands for 'PIP Installs Package'. It's a command-line based package manager for installing Python applications.

UbuntuUbuntu

Since Docker Compose is basically a Python program, you can use PIP to install it.

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But before you do that, you need to install PIP on Ubuntu first.

Enable the universe repository first.

Install PIP now:

Install Sudo Ubuntu Docker Free

Now that you have PIP installed use it to install Docker Compose for all users on your Linux system:

Check the Docker Compose version to ensure that it is installed successfully:

Using Docker Ubuntu To Download

Image

Using Docker Ubuntu To Use

You can see that Docker Compose installed via PIP is more recent version.

I hope you were able to successfully install Docker Compose on Ubuntu with this tutorial. Questions and suggestions are welcome.

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