Tutorials

Step-by-step technical guides on Docker, Linux, Python, Go, and more.

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1 min readBeginner

How to enable nginx enable gzip

Follow this guide to enable compression using gzip. By default nginx compresses response with text/html mime type. Using

3 min readBeginner

GitLab CI: Push Docker Images to Registry

In this tutorial, we are going to explain how to automatically build and push docker images using gitlab CI. The tutorial will cover best practices and how to create a docker image with gitlab ci.

2 min readBeginner

Youtube api: download all videos from channel

In this tutorial, we are going to explain how to use YouTube API to fetch all videos on a channel.

1 min readBeginner

Linux: Find Largest Files with du Command

To find the largest file in a directory use the command: sudo du -a / 2>/dev/null | sort -n -r | head -n 20, please check here for more information

1 min readBeginner

golang open file and iterate lines

In this tutorial, we are going to explain how to parse a file with go and iterate lines of a file.

1 min readBeginner

How to disable Kali Linux auto-update

Follow this steps to disable apt-get auto updates for Kali: open dconf-editor, then go to org -> gnome -> software, Select 'download-updates'. Finally Scroll down until the end and set

3 min readBeginner

Go Type Conversion Guide: rune to int, string to int, int to string (2026)

Complete Go type conversion guide 2026: rune to int with int(), string to int with strconv.Atoi, int to string with strconv.Itoa, byte to string, int64 conversions. All with working code examples.

1 min readBeginner

Kubernetes: localhost:8080 Connection Refused

The error

1 min readBeginner

Update package.json to Latest Versions

package.json contains information about your project, to update libraries automatically you can use

2 min readBeginner

Different ways to revert git repository commit

To undo last commit not pushed try: git reset --soft HEAD~1. To undo last commit pushed use: git revert HEAD~1. Check this tutorial for more examples!