Operations | Monitoring | ITSM | DevOps | Cloud

Top 100 SQL Interview Questions and Answers for Every Skill Level

Imagine spending weeks grinding through SQL tutorials, practicing syntax, and refining your queries in your spare time. But when the interviewer throws a complex JOIN + subquery at you, your brain suddenly hits a 404. It happens to the best of us. However, most candidates crash and burn—not because they lack knowledge, but because they prepare like students instead of engineers. They memorize syntax, pray for predictable questions, and freeze the moment they’re asked to think, not recite.
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Bunnyshell: The Best Qovery Alternative for Modern Cloud Deployment

When it comes to automating DevOps processes and managing cloud environments, both Bunnyshell and Qovery have gained significant traction. While both platforms provide multi-cloud deployment, automation, and developer-friendly interfaces, there are key differences between the two. Bunnyshell offers several advanced features that make it a standout alternative to Qovery, particularly for teams seeking more control, flexibility, and efficiency in managing their cloud environments.
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The Top 5 Security Logging Best Practices to Follow Now

Security logging is a critical part of modern cybersecurity, providing the foundation for detecting, analyzing, and responding to potential threats. As highlighted by OWASP, security logging and monitoring failures can lead to undetected security breaches. With the average cost of a data breach adding up to $4.45 million, most organizations can't afford to miss a security incident.

Finding UX Friction (...Before It Becomes a Problem)

Make it smooth. Reduce friction. Keep users moving. That’s solid advice. No one enjoys filling out a form with 10 unnecessary fields or dealing with a checkout process that feels like a maze. But you can’t fix friction if you don’t know where it’s happening. Big companies like Amazon, Netflix, and Airbnb don’t just guess where users are struggling. They track the right UX metrics, run experiments, and fine-tune their products constantly.

The Shift to Proactive IT Management: How Infraon Leads the Way

For years, businesses relied on a reactive IT management approach, also known as the break-fix model—only addressing problems after they occurred. This method often led to unpredictable downtime, rising costs, and a struggle to scale with growing business needs. Without proactive monitoring, issues could escalate, causing major disruptions.

Coroot v1.9: Kubernetes-Native Database Monitoring Made Easy

From day one, we built Coroot to work beyond just Kubernetes. Many teams still run databases and other stateful services on dedicated VMs or bare-metal servers. But that’s starting to change. More and more teams no longer see Kubernetes as a platform just for stateless apps. Powerful Kubernetes operators now handle day-2 operations like failover, backups, and disaster recovery—making it easier than ever to run databases on Kubernetes. And the number of teams choosing this path keeps growing.

Ultimate Guide to Server Hardening for Kamal

Server hardening is securing a server by reducing its surface of vulnerability. This means minimizing the number of potential entry points for attackers by disabling unnecessary services, applying patches, and enforcing strong security controls. If you use Kamal to deploy applications but you must harden your servers yourself. This is a guide on the steps to take to have a secure server. The Basics of Server Security: Patch often and restart often. Patching helps with fixing known vulnerabilities.

Optimizing Item Search: How Rollbar Engineered Faster, More Capable Search

Searching through error data efficiently is critical for developers using monitoring tools. At Rollbar, we recently completed a significant overhaul of our Item Search backend. The previous system faced performance limitations and constraints on search capabilities. This post details the technical challenges, the architectural changes we implemented, and the resulting performance gains.

Is It Time to Switch Your Network Monitoring Tool? How to Know & Choose the Right Upgrade

A while ago, your company chose a network monitoring tool that worked perfectly — back when most employees worked in the office, networks were centralized, applications ran on-premise, and "the cloud" was just a buzzword.