Will tell us how to list containers present on our system, whereas # docker run -help To view the list of available commands or to get help. # systemctl start dockerĪt this point, we can simply execute. Next, use the systemctl command to start the main Docker service, enable it to start during reboots, and check its status. This will download and run a shell script that will add the Docker repository to our system and install the package. To begin, let’s install Docker using the following curl command. We will then use it to serve a simple web page from our home directory – all without the need to install a web server on our host. To illustrate, in this article we will explain how to install Docker on CentOS/RHEL, Rocky/Alma Linux, and Debian/Ubuntu, and spin up an Apache 2.4 container from Docker Hub. If you’re interested in knowing more about the differences between these two technologies, the official Docker website provides a great explanation. Additionally, containers are much easier to set up, start, stop, and maintain than good old virtual machines. In other words, containerized software will operate and can be managed consistently regardless of where it is installed.
Docker as a platform leverages containers – packages of an application along with all the tools it needs to run to eliminate differences between environments. If not, this software solution will make your life easier beginning today by helping you reduce operating costs and accelerate deployments – among other benefits.īut it’s not magic.
If you are a Linux system administrator who provides support for developers, chances are you’ve heard of Docker.
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