Install Docker Ubuntu Command Line


Install Docker on Ubuntu 18.04. We are almost done. Use the apt command to install Docker: sudo apt install docker-ce 6. Check Docker Status. Once the installation is complete, it is a good idea to check the status of the service: sudo systemctl status docker That’s it, you now know how to install Docker on Ubuntu 18.04. Sudo apt-get remove docker docker-engine docker.io Step 3: Install Docker on Ubuntu 18.04. To install Docker on Ubuntu, in the terminal window enter the command: sudo apt install docker.io Step 4: Start and Automate Docker. The Docker service needs to be setup to run at startup. To do so, type in each command followed by enter: sudo systemctl.

Log onto your Ubuntu server

Let’s log into your Ubuntu server now. To do so you have two choices:

If you want to install Docker the manual way, head on over to the Docker Desktop downloads page and then click on ‘Download for Windows (Stable)’ button to download the installer file. Then, go to your downloads folder and double click on ‘Docker Desktop Installer’ setup file to initiate the installation process.

If you’re installing Docker Desktop on to a barebones Windows 10 installation (as in it’s not running on a Virtual Machine), you can skip this step entirely and move on to “ Step 2. Download And Configure Docker Desktop “. Shut down the Virtual Machine, and wait until it’s completely turned off. If you don't want to go the Hyper-V way you can use Docker with WSL2(Windows Subsystem for Linux) for Windows 10 Home. Go to Settings - Update&Security - Windows Insider Program and enroll for the 'Slow' track of windows insider. Double-click Docker for Windows Installer.exe to run the installer. If you haven’t already downloaded the installer (Docker for Windows Installer.exe), you can get it from download.docker.com. It typically downloads to your Downloads folder, or you can run it from the recent downloads bar at the bottom of your web browser. I had the same issue, btw, I was installing Docker for the first time on my Win 10 pro machine. The culprit was. Controlled folder access. Windows new feature Controlled Folder Access for Ransomware protection was turned on and which was not allowing docker to create a short cut on desktop.

  • Use Vagrant on Windows command prompt OR
  • Use SSH

Using Vagrant on Windows Command Prompt

Run the following command

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You may see an error message starting with “ssh executable not found”. In this case it means that you do not have SSH in your PATH. If you do not have SSH in your PATH you can set it up with the “set” command. For instance, if your ssh.exe is in the folder named “C:Program Files (x86)Gitbin”, then you can run the following command:

Using SSH

First step is to get the IP and port of your Ubuntu server. Simply run:

You should see an output with HostName and Port information. In this example, HostName is and port is 2222. And the User is “vagrant”. The password is not shown, but it is also “vagrant”.


You can now use this information for connecting via SSH to your server. To do so you can:

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  • Use putty.exe OR
  • Use SSH from a terminal

Use putty.exe

You can download putty.exe from this page http://www.chiark.greenend.org.uk/~sgtatham/putty/download.htmlLaunch putty.exe and simply enter the information you got from last step.

Open, and enter user = vagrant and password = vagrant.

Docker Install On Windows 10

SSH from a terminal

You can also run this command on your favorite terminal (windows prompt, cygwin, git-bash, …). Make sure to adapt the IP and port from what you got from the vagrant ssh-config command.

Enter user = vagrant and password = vagrant.

Congratulations, you are now logged onto your Ubuntu Server, running on top of your Windows machine !

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After you have installed docker on your linux machine, the next step is to create an image and run a container. You need to create a base image of an OS distribution and after that you can add and modify the base image by installing packages and dependencies and committing the changes to it.

In this article, we will show you how to create an ubuntu base image and on top of that create intermediate image layers by adding packages in it and keep committing the changes. We will update the ubuntu base image, install 3 packages - vim editor, firefox and python 3.

Note that we can do this using two ways - either we mention all the commands inside a dockerfile and build the image all at once or we can do it step by step and keep committing the changes through CLI. We will discuss both the methods here.

Method 1. Step by Step using CLI.

  • Open a terminal and run the following command. Note that if you are not the root user, you need to add sudo before all the commands.

This will check if an ubuntu image exists locally or not. If it does not exist, it will display “Unable to find image 'ubuntu:latest' locally” message and start pulling it from docker hub. After pulling the image, it will run the apt update command.

  • We will now install a vim editor inside the container. For that, we will run the bash of the ubuntu image.

This will open an interactive ubuntu bash. Inside the bash, type the following commands one by one to install the packages.

The first command runs an update. It then installs vim editor, firefox and some dependencies for python 3. Then it adds the official python 3 repository and installs python 3.7 and then exits the bash.

You can check the version of python using the following command.

  • After exiting the bash, you need to commit the changes. Find out the container ID using the following command.

Copy the container ID and paste in the following command.

  • You can check that the new ubuntu image with the specified name and installed packages has been created using the following command.

Method 2. By creating a dockerfile

  • Create a file name dockerfile and place the following commands in it.

Install Docker Ubuntu Command Line
  • Build the image using the following command.

This command builds the docker image using the dockerfile.

Run the docker image using the following command.

Install Docker Ubuntu Command Line

To conclude, the better method to create an image and install packages is by creating a dockerfile with the appropriate commands because it will help you to keep track of the changes that you make and the packages that you install and gives a better clarity of the whole project.

Install Docker Ubuntu Command Line Linux

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