Docker: Mounting a Windows File share to a Container
This document helps to mount a folder shared by a Windows server, to a folder in a CentOS container. Share a folder from the Windows server, so that it can be accessed from any other…
Docker: Attaching an external volume to a container
By default, when we deploy a container using an image, the container is supposed to have all files required to run, and do its job. Let us take an example of a basic appache server…
Docker: backup and restore of a database
It is very important to backup databases deployed using containers. Else once the container stops, all data in it will be gone. For this exercise we will continue the example used in previous post that created…
Docker: Docker-compose – A wordpress site
The docker-compose is a CLI tool that automates some very long arguments we other wise will be passing to “docker run” command. This tool will also help us to start multiple containers at the same time. In real…
Docker container: Build images from a container
Like we can create an image from a Dockerfile, we can create a container from an image too. The steps to do that is as follows: Deploy a container from an image: [root@gw20-lap-doc1 sandbox]# docker…
Docker: Running Docker commands
This tutorial is a continuation of a previous post Docker: Installation and basics The command to run a container from an image is: [root@gw20-lap-doc1 ~]# docker run <image name> The command docker run image = docker…
Docker Swarm: Introduction and basics
A docker instance is good to run task in a small scale. However as the traffic increases, or when more processing power is required, when we want to scale-up the infrastructure, the way to move…
Docker container: Build images – Dockerfile 1
This tutorial will guide the reader to create a Docker image with apache web server running on a CentOS operating system. If you are new to Dockers, please click here to access the installation and…
Docker: Installation and basics
This tutorial is aimed to teach one how to install Docker in CentOS 7 base host, and to perform basic tasks. Quick Notes: You cannot run a Windows based container on a Docker that is…
Kafka : Zookeeper, broker and consoles access for Producer and Consumer (lab)
In this lab, we will work on setting up a Kafka environment, where a Producer and Consumer can communicate. Prerequisite: 2 computers/vm Minimal installtion of CentOS 7 with updated kernel SElinux and firewalld should be permanently disabled…