Mar 3 · 10 min read · Code Search at Scale: Sourcegraph, OpenGrok, and Alternatives At some point, grep -r stops being enough. Maybe your codebase spans 50 repositories. Maybe you need to find every caller of a deprecated function across all of them. Maybe you are onboard...
Join discussionFeb 16 · 9 min read · If you work with Linux servers on AWS, the command line isn’t optional — it’s your superpower. Whether you’re debugging a web app on an EC2 instance, parsing logs from NGINX, or analyzing user accounts, mastering text-processing tools like awk, sed, ...
Join discussionFeb 10 · 7 min read · In his book Unix: A History and a Memoir, Brian Kernighan recounts his favorite grep story from the early days of Unix. Someone at Bell Labs asked whether it was possible to find English words composed only of the letters formed by an upside-down cal...
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Jan 20 · 6 min read · GRE preparation is no small feat, especially for busy professionals juggling demanding careers, personal responsibilities, and limited time. However, with strategic planning and the right approach, achieving a high score is entirely within reach. Thi...
Join discussionJan 17 · 2 min read · If you have ever found yourself scrolling endlessly through log files or trying to locate a single configuration line buried inside thousands of lines of output, you already know the pain. This is exactly where grep shines. It is one of those Unix to...
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Oct 24, 2025 · 18 min read · Personal notes As usual, this article was born because I took the “Introduction to Linux (LFS101)” course from the Linux Foundation. At first, I took this course because I have an upcoming technical interview for a Cloud Development Engineer position...
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Oct 23, 2025 · 7 min read · When I containerized my React frontend and FastAPI backend for the AESL Material Tracker project, I expected everything to just work. After all, the containers built successfully, the backend was serving data, and the frontend launched without errors...
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Oct 9, 2025 · 5 min read · For a long time, I kept seeing the grep command mentioned in tutorials and Stack Overflow threads, but it always felt abstract. I knew it searched inside files, yet I did not fully understand why developers used it so often. That changed when I neede...
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Sep 28, 2025 · 4 min read · Logs are the heartbeat of any system. Whether you’re a SysAdmin, SRE, or DevOps Engineer, logs tell you the story of what’s happening under the hood: errors, warnings, access requests, security anomalies, and performance issues. But here’s the challe...
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