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 is same as…
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…
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…
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 run a Windows based container on a Docker that is…
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…
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 server host. For this you will require seperate copies of…
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. Posted below are the basic terminologies used by Kafka,…
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 more lines, etc. Listed below are few of the syntax…
Fabric is a Python library that can be used to execute shell commands remotely over SSH. This is a very helpful module that can be used in Python by System Administrators to execute command in local…
In this example we will first use Git CLI to upload source code to GitHub repository. Then we will use Jenkins which will check for any new code uploaded to GitHub repository every 15 minutes,…