DevOps Tools, CI/CD and Automation Guides

Kubernetes ConfigMap decouples the application data from the application. It is used to set and define environment variables inside the Pod container. You can also mount the values as files inside the Pod

Step by step guide to configure openstack high availability (HA) using pacemaker and corosync for openstack controller nodes with HAProxy and VIP.

Use these cybersecurity measures to protect your Mac from malware. Learn the best Mac security methods and software to protect your computer from hackers.

Handlers are tasks that only run when notified. Each handler should have a globally unique name. Ansible Handlers always run in the order they are defined, not in the order listed in the notify-statement.

Explore the dynamic world of Ansible Tags to streamline your automation tasks. Our guide delves into the essentials of using tags in Ansible playbooks, offering insights and strategies for efficient task management. …

What is Docker and Docker vs Kubernetes vs Mesos container. Step by Step guide How to install Docker on CentOS 7 Linux. yum install docker centos 7

Kubernetes volume lives with a Pod across a container life cycle. After a container is restarted, the new container can see all the files that were written to the volume by the previous container.

The important terminologies which we have in an Ansible Architecture are control node, managed nodes, tasks, play, playbook and many more..

A Kubernetes Service is a resource you create to make a single, constant point of entry to a group of pods providing the same service.

Learn to create ansible role from scratch with examples. Ansible playbook roles can be deployed using ansible handlers, tasks, defaults, templates directory

We will explore ansible.cfg configuration file used in Ansible. This file can be located at different location while the highest precedence is given to ANSIBLE_CFG variable followed by ansible.cfg in the current …

Facing the "Error: INSTALLATION FAILED: rendered manifests contain a resource that already exists" during Helm chart installation? This comprehensive article explores the causes behind the error and offers four effective …

In the digital era, where everything from grocery shopping to financial consulting is available online, education technology (EdTech) has also made

It's easy to assume that the most effective advertising strategies are online today. However, despite the popularity and convenience of digital marketing

Read a detailed review of Movavi Video Editing Software. Find out its features, pros, and cons to make an informed decision about video editing.

Explore the challenges, strategies, and best practices for securing cloud storage. Protect your data and ensure the integrity and confidentiality of your files.

Discover what makes Linux stand out among operating systems. Explore its features, flexibility, and why it is a popular choice for developers and enthusiasts.

Discover effective language learning tools and resources for professionals in DevOps, virtualization, and security roles. Enhance your communication skills, open up career opportunities, and immerse yourself in …

Learn how Linux applications are empowering tech-savvy kids to transform the classroom. Also, understand how to use this excellent software for education.

machine learning has discovered computer video games as an interesting and rewarding area. Also, the video game market has become a prominent and proven global industry.

Online graphic editors have become increasingly popular in recent years, particularly as more and more people turn to the internet for their creative needs.

Product Data Management (PDM) and Product Lifecycle Management (PLM) are two essential tools for managing product development and production. Both PDM and PLM

Configure High Availability Cluster and configure cluster resource and add behind the cluster in CentOS and Red Hat 7 Linux using pcs resource create..

How to configure HA LVM on CentOS / RHEL 7 Linux without GFS2. How can I configure cluster service or resource to activate and monitor shared LVM volumes?

As of April 2022, statistics show that about 63.1% of the world's population have access to the internet and are frequent users. This number is expected to

Although DevOps has been serving a phenomenal role in development processes for many years, it's been lacking one small aspect - security. Therefore DevSecOps

Use docker run -i command to run the container interactively

PodDisruptionBudget ensures a certain number or percentage of Pods will not voluntarily be evicted from a node at any one point in time

The 21st century is the era of multifunctional gadgets. Today, it is difficult to find a person who uses a push-button telephone. Smartphones have long since

Information technology is currently at the center of driving business growth and performance hence the need to implement them. However, businesses may not