Docker : Command to See What Containers Are Running

In our previous blog posts we ran containers with the Fedora and CentOS images.  In this blog we are going to run a command to see which containers are running in our host system.  To get a list of all the containers running on our host Ubuntu system we type in the command docker ps -a command.

Docker : Pull The Latest CentOS Image Into A Ubuntu Server

The beauty of Docker is that you can run a very lightweight image of another Linux distro on your host system.  In this post we will be pulling the latest image of CentOS into our docker container on our Ubuntu server.

Docker : Pull The Latest Fedora Image Into A Ubuntu Server

The beauty of Docker is that you can run a very lightweight image of another Linux distro on your host system.  In this post we will be pulling the latest image of Fedora into our docker container on our Ubuntu server.

Docker : Adding Non Root Users To The Docker Group In Ubuntu

One of the most common task you have to do as a Linux administrator is to add a new user.  Especially developers who always wants root access. Docker needs root access, however the person who is administering Docker is probably not the system administrator.  Most likely it will be the application developer. To accomplish this task you can use the useradd command in the Terminal session then add the new user to the Docker group.  Follow the steps below to add a new user to Ubuntu.

Docker : Adding Docker Repository Key and Updating Docker To Get The Latest Version

In the previous post we installed Docker on our Ubuntu server.  Now we are going to add the Docker repository to our local server so that we can get the latest version of Docker.

Installing Docker On CentOS

Docker is the hottest infrastructure technology to hit the tech world in a long time.  The appeal of Docker is that it allows the infrastructure team to utilize the capacity of the servers to near full capacity.  Docker is a container.  A container is like a micro virtualization minus the operating system.  It only contains enough infrastructure to host an app, without the fat.  Hence the term container is used to describe it.

Installing Docker On Ubuntu Server

Docker is the hottest infrastructure technology to hit the tech world in a long time.  The appeal of Docker is that it allows the infrastructure team to utilize the capacity of the servers to near full capacity.  Docker is a container.  A container is like a micro virtualization minus the operating system.  It only contains enough infrastructure to host an app, without the fat.  Hence the term container is used to describe it.