All Certifications

Microsoft has decided to sunset the MB-300: Microsoft Dynamics 365 Core Finance and Operations exam, effective February 29, 2024. This pivotal shift in their certification strategy marks a new chapter for candidates looking to validate their skills in Microsoft Dynamics 365. Historically, candidates needed to tackle MB-300 alongside a domain-specific exam like MB-310 or MB-330 to earn their associate certification. Now, the company is refining the certification framework to reduce redundancy and make the process less convoluted. This decision means aspirants will no longer be required to juggle multiple exams…

Software developers today face increasing pressure to deliver applications that are not only high quality but also produced rapidly. In the fast-paced digital economy, businesses demand more products and faster innovation cycles to stay competitive. This dynamic environment places significant demands on development teams and the tools they use. DevOps professionals, in particular, must have access to a diverse and powerful set of technologies to keep pace with evolving requirements. Containerization has emerged as a key approach that empowers developers to meet these expectations efficiently. The rise of containers has…

DevOps has undergone a significant evolution since its inception, transforming the way development and operations teams collaborate to deliver high-quality applications and services. Originally introduced to bridge the gap between siloed teams, DevOps has expanded to include automation tools, continuous integration and delivery pipelines, and robust monitoring systems. One of the foundational elements of modern DevOps is containerization. Containers have changed how applications are built, tested, deployed, and scaled. Two major container orchestration tools have emerged as industry standards: Kubernetes and Docker Swarm. Before diving into the comparison of Kubernetes…

DevOps has undergone a significant evolution since its inception, transforming the way development and operations teams collaborate to deliver high-quality applications and services. Originally introduced to bridge the gap between siloed teams, DevOps has expanded to include automation tools, continuous integration and delivery pipelines, and robust monitoring systems. One of the foundational elements of modern DevOps is containerization. Containers have changed how applications are built, tested, deployed, and scaled. Two major container orchestration tools have emerged as industry standards: Kubernetes and Docker Swarm. Before diving into the comparison of Kubernetes…

Cloud-native applications are designed to fully leverage cloud computing frameworks and environments. These applications are typically composed of distributed microservices, each responsible for a distinct business function. Instead of building a single, monolithic application, cloud-native architecture decomposes functionality into smaller, manageable, and independently deployable services. Microservices communicate with each other over the network, enabling faster development cycles, better scalability, and more robust fault tolerance. These applications are designed to run in containerized environments, which package the code and dependencies together for consistent deployment across different infrastructure setups. The Role of…

There is an ongoing discussion within the DevOps community about two of the most popular tools for provisioning and configuration management: Terraform and Ansible. As DevOps continues to be a dominant methodology in application development, selecting the right tools is crucial for developers and IT teams. Additionally, the increasing adoption of Infrastructure as Code (IaC) has added complexity and urgency to these decisions. This discussion aims to clarify the differences between Terraform and Ansible, outline when each tool should or should not be used, and ultimately provide a clear understanding…

Containerization is a modern technology approach that packages applications and their dependencies into isolated units called containers. These containers allow software to run consistently across different computing environments. Unlike traditional virtualization, which requires running multiple operating systems on a single hardware platform, containers share the host system’s operating system kernel but keep the applications separated. This ensures that applications are portable, scalable, and efficient. Containerization simplifies the development, deployment, and management of applications by bundling everything needed to run the software, including code, runtime, libraries, and system tools, into a…

Ansible is an open-source IT automation tool that simplifies complex tasks such as configuration management, application deployment, and task automation. Developed by Red Hat, Ansible is agentless, meaning it does not require any software to be installed on the target systems it manages. Instead, it uses Secure Shell (SSH) or Windows Remote Management (WinRM) to execute automation scripts known as playbooks. Key Features of Ansible Ansible is widely adopted due to its simplicity and flexibility. It uses a human-readable language called YAML (Yet Another Markup Language) for its playbooks. This…

The fast-paced world of software development requires robust version control systems that enable teams to manage code repositories effectively, foster collaboration, and ensure projects reach completion successfully. Among the top platforms, GitHub and GitLab stand out as powerful version control solutions that have significantly transformed how developers work. GitHub boasts a user base of nearly 56 million developers, while GitLab has grown to over 31 million users. Although GitHub enjoys a broader reach, GitLab caters to a specialized audience, particularly popular among Java developers, with over 35% choosing GitLab as…

Over the past several years, managing systems and workloads has undergone a radical transformation. Traditional reliance on high-performance, expensive servers has given way to clusters of commodity servers that utilize distributed system architecture. These servers are grouped through virtualization technologies, which help prevent downtime caused by single server outages. This shift means that instead of investing in costly, hardware-specific machines, organizations now leverage scalable, virtualized environments that can flexibly respond to fluctuating demands. The traditional model of managing infrastructure, which focused heavily on specific hardware components, is now giving way…

Git is widely recognized as one of the most popular distributed version control systems available today. It is an incredibly versatile tool that supports collaboration and cooperation among developers, teams, and organizations. Version control systems like Git enable multiple users to work on a project simultaneously without overwriting each other’s changes. This is essential for managing projects of any scale, especially software development projects where code evolves rapidly. Distributed version control means every user has a complete copy of the entire repository, including its history. This setup allows developers to…

Git rebase is a fundamental command in Git used to integrate changes from one branch into another by moving or combining commits. Unlike merging, which creates a new commit to combine histories, rebasing rewrites the commit history to produce a linear sequence of commits. Essentially, it allows developers to change the base of their branch from one commit to another, making it appear as if the branch was created from a different starting point. Rebasing is often described as a “linear” way of combining commits because it avoids the complex…

DevOps is a combination of “development” and “operations.” It refers to a collection of practices and cultural philosophies that unify software development and IT operations. The goal is to shorten the system development life cycle and provide continuous delivery with high software quality. DevOps is not a specific technology or tool but rather a philosophy that emphasizes collaboration, communication, and integration between software developers and IT operations professionals. The concept of DevOps emerged as a response to the traditional software development model, where developers and operations teams worked in silos….

Git is an essential tool for developers, offering version control that helps teams track changes, manage collaboration, and ensure smooth project development. Among its key functionalities are the git merge and git rebase commands. Both are used to combine changes from one branch to another, but they serve different purposes and work in distinct ways. To make the most of Git in your workflows, it’s crucial to understand the differences between rebase and merge. In this first part, we will explore the foundational concepts behind Git rebase and merge, setting…

The Evolution of Application Deployment Before Containers Before containerization, deploying applications typically involved setting up dedicated servers or virtual machines. Virtual machines emulate entire hardware systems, including their guest operating systems, on top of a host machine, which makes them heavy and resource-intensive. Setting up a virtual machine requires installing the OS, configuring the network, and ensuring compatibility with the target environment. This process consumed significant time and required skilled manpower. Each virtual machine was isolated, but came at the cost of high overhead because multiple operating systems ran simultaneously…