To see it, use the following command line:Īs you can see, our hello-word container is loaded but not started.Īnd so, in this article, we looked at how easy it is to install Docker and run a test container. But we just downloaded and ran the hello-word test container! This container is no longer running, but still present in our system. To view all active/running containers, use the following command line:Īs you can see, no container is running. Now we can enter the docker command without root privileges. Enter the password on behalf of this user. Where: username - the user in which you work. In order not to use the sudo prefix each time, let's add the username from which we "sit" the docker group.Īpply the added rule without restarting the server: Therefore, if you run the docker command without superuser (root) rights, you will get an error. The docker command is only run as root by default, or as a user in the docker group (the group is created automatically when docker is installed). If Docker is working properly, you should be able to observe this output: In order to test in real conditions whether it is possible to access from Docker Hub and download a test container, run the following command: OS packages need to be updated before installing Docker.ĭownload the required package and install: Docker is very similar to a virtual machine like VirtualBox, but much more portable and resource efficient. In containers, it is possible to run applications with resources isolated from the common system. Similar articles: How to install MariaDB 10.8 on CentOS 7 or upgrade from mysql 5.7 How to create a user and add a domain to the HestiaCP panel? How to add a new user in Windows Server 2012, 2016, 2019Ī Docker app makes it easy to run/process manage sites/applications in isolated areas/containers.
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