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Personal IT blog

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14
Oct
Navigating Complex Systems: A Small Conversation with a Skilled Penetration Tester

Navigating Complex Systems: A Small Conversation with a Skilled Penetration Tester

I recently had a chance to catch up over coffee with my colleague who is quite skilled in penetration testing.
2 min read
15
May
How to preserve backslashes when using sed command

How to preserve backslashes when using sed command

Today I faced an interesting task. I wanted to generate a bunch of yaml files with different names to test
1 min read
12
Apr
Tar general arguments

Tar general arguments

Can't remember how to create or extract an archive? This short article can help you to refresh your
2 min read
05
Oct
Running a container with Nmap in Kubernetes/OpenShift

Running a container with Nmap in Kubernetes/OpenShift

Have you ever faced a situation when you need to check which ports are open in the pod with your
2 min read
03
Oct
Sniffing traffic on a pod in Kubernetes/OpenShift

Sniffing traffic on a pod in Kubernetes/OpenShift

It's such a pain when you have a container without root permissions and you can't install
1 min read
13
Apr
Multiple dispatch in python

Multiple dispatch in python

“It would be cool to have the same function name, but to have different code executed depending on what is
2 min read
30
Jul
A bit of Knowledge Management

A bit of Knowledge Management

“Capture, reuse and improve” principle, how to improve knowledge management in your team and how to avoid possible problems
4 min read
17
Jun
Test cases: decide what to automate in 4 steps

Test cases: decide what to automate in 4 steps

I think every tester faces a situation when he gets a new feature, then he identifies test cases (or test
2 min read
30
Apr
Base64 basics and “bse64” CTF challenge writeup

Base64 basics and “bse64” CTF challenge writeup

Last year I took part in a RedHat internal CTF challenge run by Keith Swagler and the Red Hat Information
5 min read
30
Mar
Pull Request in progress: checklist for reviewer

Pull Request in progress: checklist for reviewer

Your teammate asks you to review his Pull Request. But what should you check to not miss anything? Here is
1 min read