--- tags: docker --- # Introduction to Docker ## Installing Docker ### Ubuntu Update your software database: ``` sudo apt update ``` Remove any old versions of docker that might be on your system: ``` sudo apt remove docker docker-engine docker.io ``` Install docker: ``` sudo apt install docker.io ``` Check docker version: ``` docker --version ``` ### Windows and Mac Docker requires a Linux kernel in order to run. This can be emulated on Windows and Mac. The easiest way to do this is to install [Docker Desktop](https://docs.docker.com/get-docker/). You will need to have Docker Desktop running in order to use docker commands in your terminal.