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 […]
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 […]
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 […]
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 […]
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 […]
Docker: Installation and basics
This tutorial is aimed to teach one how to install Docker in CentOS 9 base host, and to perform basic tasks. Quick Notes: You cannot […]
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 […]
Kafka: Running multiple instances of Kafka in the same host
In situations where you want run a cluster of brokers, but do not have spare hosts, you may run multiple brokers nodes in the same […]
Kafka: Basics – terminologies
Kafka is a middle-ware application developed by Apache Foundation, used for building real-time data pipelines and streaming apps, which is scalable and has fault-tolerant capabilities. […]
Python : Basics of File Handling
In this tutorial we will be showing how to work with files stored in the host, such as reading the contents of the file, adding […]