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Grzegorz Piechnik

Performance Engineer, k6 Champion, Content Creator

Dont waste money on monitoring YOUR startup

Dont waste money on monitoring YOUR startup

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Comments 1
2 min read

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I created my first startup to promote YOUR startup

I created my first startup to promote YOUR startup

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2 min read
I started a newsletter to document my JOURNEY ✈️

I started a newsletter to document my JOURNEY ✈️

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2 min read
No jobs for juniors in IT? 💻👩‍💻 00:15

No jobs for juniors in IT? 💻👩‍💻

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1 min read
Can you bypass every security? 🤔💻🔓 00:17

Can you bypass every security? 🤔💻🔓

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1 min read
Why do I hate Java? 😠🤔 00:12

Why do I hate Java? 😠🤔

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Will AI also replace automation testers? 🤖💭 00:15

Will AI also replace automation testers? 🤖💭

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1 min read
AI tool that learns with the user 🤖📚 00:12

AI tool that learns with the user 🤖📚

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1 min read
Bug Bounty Hunting Automation 🤖🕵️‍♂️ 00:14

Bug Bounty Hunting Automation 🤖🕵️‍♂️

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1 min read
Jmeter vs k6

Jmeter vs k6

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5 min read
How to Become Performance Tester in 2023?

How to Become Performance Tester in 2023?

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5 min read
Loki: Effective Logging and Log Aggregation with Grafana

Loki: Effective Logging and Log Aggregation with Grafana

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5 min read
Using ChatGPT to write nuclei exploits

Using ChatGPT to write nuclei exploits

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4 min read
Nuclei unleashed - writing first exploit

Nuclei unleashed - writing first exploit

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4 min read
Why standard deviation is important in performance tests

Why standard deviation is important in performance tests

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2 min read
Afrog explained for bug bounty hunters

Afrog explained for bug bounty hunters

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2 min read
My impressions of using the Drill performance testing tool

My impressions of using the Drill performance testing tool

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5 min read
AWS EC2 Instances basics

AWS EC2 Instances basics

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3 min read
What do you think about this interview question? 🤔💼 00:14

What do you think about this interview question? 🤔💼

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1 min read
The Most Important Advice for a Junior Programmer 📚💡 00:13

The Most Important Advice for a Junior Programmer 📚💡

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1 min read
Do you use this in your company? 🏢💼 00:12

Do you use this in your company? 🏢💼

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1 min read
How to get started in IT (your first job)

How to get started in IT (your first job)

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3 min read
I think I need to become a COBOL developer 🧑‍💻🚀 00:18

I think I need to become a COBOL developer 🧑‍💻🚀

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I really love the Go language 😍🐹 00:14

I really love the Go language 😍🐹

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1 min read
Continous Profiling with Grafana Pyroscope

Continous Profiling with Grafana Pyroscope

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6 min read
Massive Layoffs of Manual Testers? 💼🔍 00:14

Massive Layoffs of Manual Testers? 💼🔍

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1 min read
Massive Layoffs of Manual Testers?" 💼🔍

Massive Layoffs of Manual Testers?" 💼🔍

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1 min read
Myths About Programming 🖥️🧠 00:14

Myths About Programming 🖥️🧠

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1 min read
Who chooses programming in Java? 🤔💻 00:14

Who chooses programming in Java? 🤔💻

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It's time for Advent of Code! 🎄 00:15

It's time for Advent of Code! 🎄

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1 min read
AI is gradually becoming a must-have 😎🚀 00:11

AI is gradually becoming a must-have 😎🚀

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🔥 Top 1 programming language of 2023 🥵 00:30

🔥 Top 1 programming language of 2023 🥵

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1 min read
🔥 What is Apache Kafka and how to perform performance tests on it (Part 2) 👨🏻‍💻

🔥 What is Apache Kafka and how to perform performance tests on it (Part 2) 👨🏻‍💻

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5 min read
Better monitoring of Traces with Grafana Tempo

Better monitoring of Traces with Grafana Tempo

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4 min read
Load Balancers Explained

Load Balancers Explained

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3 min read
What is Apache Kafka and how to perform performance tests on it (Part 1)

What is Apache Kafka and how to perform performance tests on it (Part 1)

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4 min read
What is bind shell and reverse shell

What is bind shell and reverse shell

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3 min read
What are the types of deployment

What are the types of deployment

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3 min read
What are the concepts of availability, load balancing, failover and session persistence

What are the concepts of availability, load balancing, failover and session persistence

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3 min read
Using mitmproxy with k6

Using mitmproxy with k6

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4 min read
Launching Python Course for Beginners 👾

Launching Python Course for Beginners 👾

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2 min read
How to quickly debug requests from k6 test scenarios

How to quickly debug requests from k6 test scenarios

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3 min read
What are memory leaks?

What are memory leaks?

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4 min read
What is browser based load testing

What is browser based load testing

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4 min read
How to quickly read summary data in k6 from json file

How to quickly read summary data in k6 from json file

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2 min read
Fundamental network tools

Fundamental network tools

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4 min read
Crucial update for k6 results analysis

Crucial update for k6 results analysis

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5 min read
Hacking embedded systems using the routersploit tool

Hacking embedded systems using the routersploit tool

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2 min read
SYN Flood Attack

SYN Flood Attack

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2 min read
DoS vs DDoS vs DRDDoS vs PoD attack

DoS vs DDoS vs DRDDoS vs PoD attack

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3 min read
State SSL certificates — what are the risks

State SSL certificates — what are the risks

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3 min read
What are polyglots and how to use them as a pentester

What are polyglots and how to use them as a pentester

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4 min read
LDAP protocol basics and the LDAP Injection attack

LDAP protocol basics and the LDAP Injection attack

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What is bind shell and reverse shell

What is bind shell and reverse shell

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What is Forward Proxy and Reverse Proxy

What is Forward Proxy and Reverse Proxy

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2 min read
What is WAF and IPS (Intrusion Prevention System & Web Application Firewall)

What is WAF and IPS (Intrusion Prevention System & Web Application Firewall)

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3 min read
Metasploit explained for pentesters

Metasploit explained for pentesters

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9 min read
Content Security Policy explained

Content Security Policy explained

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3 min read
Search for sensitive data using theHarvester and h8mail tools

Search for sensitive data using theHarvester and h8mail tools

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3 min read
Scanning ports and finding network vulnerabilities using nmap

Scanning ports and finding network vulnerabilities using nmap

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7 min read
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