Introduction: Amazon Simple Storage Service (S3) is one of the most versatile and widely used storage solutions in the cloud. One of its standout features is versioning, which allows you to preserve, retrieve, and restore every version of every object stored in your bucket. This feature is particularly useful for data protection, accidental…
If you are preparing for an AWS interview, here are some important questions on Compute Services. These questions will help you explore the core aspects of AWS Compute services, with a focus on cost optimization, security, scalability, and service-specific use cases. 1. Explain the difference between Amazon EC2 and AWS Lambda. Answer: 2.…
Introduction: When DevOps Met Security Remember when security was that thing teams dealt with right before deployment? Those days are long gone! In today's digital landscape, where data breaches make headlines weekly and cyber threats evolve faster than fashion trends, security can't be an afterthought anymore. Enter DevSecOps – the glow-up that DevOps…
Introduction: Why Git and Automation Matter In today's fast-paced development world, effective version control and automated deployments aren't just nice-to-haves—they're essential tools in every developer's arsenal. Whether you're a seasoned DevOps engineer or just starting your journey, understanding Git and GitLab Runner can transform your workflow and boost your team's productivity. At DevOps…
Introduction In today's complex IT environments, effective monitoring is no longer optional—it's essential. Datadog has emerged as one of the leading monitoring and observability platforms, providing comprehensive visibility across your entire technology stack. Whether you're managing cloud infrastructure, containerized applications, or hybrid environments, Datadog offers powerful tools to track performance, identify issues, and…
Introduction Amazon Web Services (AWS) offers Amazon Simple Storage Service (S3), a cloud storage service. S3 is ideal for data lakes, websites, backups and even organizational backups because it can store and retrieve boundless amounts of data. As an object storage system, S3 keeps data under buckets, the largest unit of data storage,…
Linux continues to dominate server environments, cloud infrastructure, and DevOps workflows in 2025. Whether you're a seasoned system administrator or just starting your journey with this powerful operating system, mastering essential Linux commands is crucial for productivity and efficiency. In this comprehensive guide, we'll explore the most frequently used Linux commands that remain…
Introduction In today's fast-paced digital environment, infrastructure monitoring has become more critical than ever. With the complexity of modern IT ecosystems growing exponentially, organizations need robust monitoring solutions to ensure optimal performance, rapid troubleshooting, and proactive management of their infrastructure. As we navigate through 2025, the landscape of infrastructure monitoring tools continues to…
Introduction Elastic Load Balancing (ELB) is offered by cloud platforms like Amazon Web Services (AWS) which helps in the efficient distribution of incoming traffic across multiple servers at the same time Ensuring smooth operation of various processes. ELB increases both availability and scalability of applications by optimizing responses to infrastructure requests. Moreover, it…
Preparing for a DevOps or AWS interview? This guide compiles 18 scenario-based questions inspired by real-world challenges and solutions from seasoned engineers. These questions span key areas like Kubernetes, CI/CD, Infrastructure as Code, observability, and cloud migrations—perfect for candidates aiming to showcase hands-on expertise. ⚙️ Containerization & Kubernetes 1. How can you reduce…
© 2023 DevOps Horizon
