Sup! My name is Yura 👋

I’m an author of CatOps Telegram channel and a Newsletter about DevOps and other issues, but mostly DevOps.

  • Working as SRE focusing on different infrastructure projects. Mostly Kubernetes related.
  • Originally from Kyiv. Currently, located in Berlin.
  • You can find more information about me on the About page as well as my occasional public talks here (none of them is in English, though)

Building a CLI application in Go: Part 0

Building a CLI application in Go: Part 0 Intro I have written a tiny CLI app that can update the storage class of objects in an AWS S3 Bucket. To be completely honest, this tool is rather useless in the wild. You can achieve the same results natively with AWS S3 Lifecycle policies. However, this app is my opportunity to talk about writing CLI applications in Go as well as speculate about pet projects in general....

September 2, 2022 · 7 min · Yurii Rochniak

A Letter to Tech Community

Dear tech community, there is a lot of information about Russian invasion in Ukraine right now. This is truly important to spread only the information that came from trustworthy sources! Also, NEVER SHARE ANY INFORMATION ABOUT UKRAINIAN FORCES! There are ongoing fishing attacks on Ukraine right now. I bet as tech people you know pretty well, how to deal with that. However, you can share information about how protect themselves to your less experienced friends and family members....

February 26, 2022 · 2 min · Yurii Rochniak

The Results of My Kubernetes Survey

Kubernetes Survey Results Not so long ago, I created a survey to understand how people manage their Kubernetes clusters. I got more than a hundred responses from Telegram, Reddit, Twitter, and DOU, 102 to be precise. Now, I am ready to share it with you! You can find all the raw data via this link. This text is also available in Ukrainian. A backstory (skippable content) After, I wrote the article about Kubernetes backups - Why backup Kubernetes?...

February 17, 2022 · 11 min · Yurii Rochniak

Рік 2021

Ось і минув рік 2019 і 3/4. За цей час ми побачили, що пандемії так просто не зникають, а час на розробку вакцини не є основною перешкодою імунізації. Традиційно почну з того, що набажав собі на цей рік: Вакцинуватись від COVD - DONE. Також записався на бустер у січні. Якщо ви вакцинувались близько півроку назад, пошукайте, як можна отримати бустерну вакцину. Якщо ж ви досі не щепилися, то що з вами не так?...

December 29, 2021 · 8 min · Yurii Rochniak

Why backup Kubernetes?

This is the second part of a series of articles regarding Kubernetes backups. You can find the first part about Velero tool here. Why Backup Kubernetes? In the previous part I provided a brief overview of the backup & restore tool for Kubernetes called Velero. Now, I would like to talk, why backup your cluster at all? What makes a cluster? A typical production cluster has a three-layer structure. There are Kubernetes components themselves....

December 27, 2021 · 6 min · Yurii Rochniak