Blog


2021-06-04

AWS IAM users audit

Find unused AWS IAM users - security, audit, compliance.

2021-04-28

Terraform features per release

A cheat sheet showing various terraform features introduced in different releases.

2020-10-21

LetsEncrypt Troubleshooting

Some troubleshooting scenarios for TLS certificate generation by LetsEncrypt.

2020-07-19

Gitlab Upgrade

Here is the process I’ve polished during my contracts for various clients, where I was supporting self-hosted version of GitLab.

2020-07-15

ELK Alering

Elasticsearch Alerting (former Watcher) Alternatives, in the order of my preference after quick reading.

2020-05-03

Startup Experience

Recently I took part in a small startup.
Russian bred, so expect some vodka pictures here below.
I mainly played DevOps role, but as always in such cases everyone wears many hats.
We all learned a lot, and so I wanted to share some key insights.
Active phase described below happened within 1 month.

2020-03-09

Kubernetes Components

Kubernetes is a highly modular system, allowing you to build custom setups.
With power comes complexity, and this post describes at least what type of components you will run.

2019-12-15

Kubelet configuration files

An effort to bring all configuration files for kubelet together, to see a full picture.

2019-05-11

Multiple GitHub accounts

How to work with multiple git repository servers, and users, from a single machine.

2019-04-15

macOS shared agents

CI/CD on macOS platform

2019-01-25

Python learning

Several people asked me how to start with Python.
I don’t claim to be an expert, but I know enough to do my job.
Some people like to do courses or read books.
I guess everyone is different, here is what was my path.

2018-09-12

Jenkins creator admits low quality

Kohsuke Kawaguchi, creator of Jenkins, has finally openly admitted what was pretty obvious long time ago - rubbish quality of Jenkins.

2018-08-17

Tracking Web-site changes

Sharing the results of research for automated tools that can track changes on web-pages and notify you.

2017-12-27

How I passed Docker exam

Retrospect on passing Docker exam