20.01.2026 ·
I always knew that eBPF was one of those technologies hidden deep inside the kernel, far away from everyday users, but incredibly powerful.
At work, I learned that Google Kubernetes Engine clusters using Dataplane V2 rely heavily on eBPF under the hood. That felt like a good opportunity to finally dive into something new, so I grabbed the book Learning eBPF from the office bookshelf.
This post is my review of that book.
...20.06.2024 ·
I faced an interesting issue when I tried to restore a database from a backup. The error said: type "ltree" does not exist. ltree is a PostgreSQL extension, and this error can appear with any PostgreSQL extension. So how do we fix this error?
30.10.2022 ·
On the 24th of October 2022 I successfully passed the “Google Cloud Professional Architect” certification and here I would like to share how I prepared for this exam, some pieces of advice on what to learn, and some of my thoughts on such kinds of exams in total.
...10.08.2020 ·
In previous post we overviewed how the Kubernetes cluster would look like and have installed some programs. Today we gonna set up Virtual Machines using VirtualBox and Vagrant.
...29.07.2020 ·
One of big steps in my preparation for the CKA exam was to deploy the Kubernetes cluster locally. I started with a great guide from Kelsey Hightower called “Kubernetes The Hard Way”(or simply KTHW) and found out that it was created only for Google Cloud Platform. I decided to adapt it to my needs so the cluster could be running on a laptop. In this series of posts I gonna show how to do this.
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