Author: cslab

Hello! Today, I’ve brought you some hot news that’s set to shake up the cloud-native security market. It’s about a policy change regarding Docker’s ambitious DHI (Docker Hardened Images). To get straight to the point, enterprises can now use DHI for free! 🎊 For those who’ve been thinking, “Security is good, but the cost is…

Hello everyone! Today, we’re going to take a direct look at how Docker containers actually store and manage data, exploring their ‘magical’ structure with our own eyes. Many people use containers, but they often wonder where and how the actual files exist. Docker uses a technology called OverlayFS (Overlay Filesystem) to combine multiple layers as…

Hello everyone! I’m back with the 13th story of my unyielding ‘Golden Kuberstronaut (15 certifications)’ challenge. The joy of passing CNPA, which captured the essence of platform engineering, was short-lived, as I then challenged the CGOA (Certified GitOps Associate) exam. To be honest, I underestimated this exam and paid the price. To cut to the…

Hello! This is your tech guide, always ready to sharply dissect the latest trends in the IT industry. 👋 If you’ve been on LinkedIn or read overseas tech blogs recently, you’ve probably seen the provocative phrase “DevOps is Dead” quite often. DevOps, which has been considered the golden rule of the IT industry for over…

Hello! If you’ve been operating a Linux server, you’ve probably wondered at some point, “My partition is running out of space, can’t I expand it?” or “I want to combine two disks and use them as one…” The powerful solution that allows you to go beyond the limitations of physical disks and manage storage like…

Hello everyone! I’m back with the 14th update on the ‘Golden Kuberstronaut’ project, an unceasing challenge towards 15 certifications. 👋 I’ve successfully passed the 14th gateway, KCA (Kyverno Certified Associate)! Now, only one more certification remains out of the 15 I aimed for. 🏔️ The KCA exam was a very interesting process that allowed me…

Hello! The ‘Golden Kuberstronaut’ project, which has been running towards 15 certifications, has finally reached its spectacular conclusion today. 👋 I received notification of passing the final 15th hurdle, the LFCS (Linux Foundation Certified Sysadmin) exam, with a high score of 93 points! 🏔️ When I first started the project, I had doubts, wondering, “Can…

Hello everyone! On my journey to conquer 15 certifications to become a ‘Golden Kuberstronaut’, I’ve finally passed the 10th hurdle, CBA (Certified Backstage Associate)! 🥳 If I barely scraped by with a 75-point ‘pass by the skin of my teeth’ on the last CCA exam, I’m happy to share the news of passing this time…

Hello everyone! I’ve finally passed the 12th hurdle, the CNPA (Certified Cloud Native Platform Engineering Associate) exam, on my journey to conquer 15 certifications to become a ‘Golden Kuberstronaut’! 🥳 This exam was not merely about ‘how to use tools’. If the previous 11 certifications were individual components, CNPA was an exam that captured the…

> “We should do microservices like Netflix!” This is a sentence that developers have heard at least once, or even shouted themselves. From startups to large corporations, everyone dreams of transitioning to Microservice Architecture (MSA) to shed their massive ‘Legacy’ and become an agile organization. However, statistics show that a significant number of MSA transition…