Seeing a Merge Conflict for the First Time? Here’s What to Do. You run git merge or git pull, and suddenly your terminal is full of red text and warnings. Git tells you there’s a conflict, and it stops everything. If this has happened to you, don’t worry – merge conflicts are completely normal. Every […]
Preparing for a DevOps Interview? Git Questions Are Guaranteed. No matter what DevOps role you’re applying for – whether it’s a Junior DevOps Engineer, Cloud Engineer, or Site Reliability Engineer — you will face Git interview questions. Git is the foundation of every modern software development and deployment workflow. This guide covers the most commonly […]
EC2 or Lambda – Which AWS Service Do You Actually Need? When you first start learning AWS, two services come up almost immediately: EC2 and Lambda. Both let you run code on the cloud. But they are built for completely different situations. Choosing the wrong one won’t just affect performance – it can significantly affect […]
Jenkins or GitHub Actions – Which One Should You Focus On? If you’re getting into DevOps, CI/CD is one of the first things you’ll need to learn. And at some point, someone will ask you: “Should I learn Jenkins or GitHub Actions?” Both are powerful. Both are widely used. But they are very different tools […]
Did You Just Make a Bad Commit? Don’t Panic. It happens to every developer – you run git commit, and immediately realize something is wrong. Maybe you committed the wrong files. Maybe you forgot to add something. Or maybe the commit message was embarrassing. The good news? Git makes it easy to undo your last […]
Is your Java Docker image crossing 700MB or even 1GB? You are not alone. Many Spring Boot and Maven applications become extremely heavy because developers accidentally include the full JDK, Maven binaries, build cache, and source code inside the production container. Large Docker images create serious problems in production: The good news is, you can […]
If you are getting the “Permission Denied /var/www/html” error in Linux, it usually means your user account or web server does not have the right permissions to access the website directory. This is a very common issue on Ubuntu, Debian, Nginx, and Apache servers, especially when uploading website files, deploying apps, or editing server content. […]
When I was learning Docker, this was one issue I was facing regularly. It’s not always because of lack of knowledge, but more because of confusion from theory, not being curious enough to debug, and not understanding the core concept of how Docker works. Don’t worry, we will solve this problem and also understand why […]
Docker container not starting is a very common issue faced by beginners who are just starting to learn Docker. Even I faced the same problem when I was new to Docker and containers. In most cases, it is not an issue with Docker itself. Yes, bugs can happen sometimes, but usually the problem comes from […]
