01
Personal Website
This is where I share my software projects, books and courses, along with the work in progress and ways to get in touch.
Work delivered.
Systems built.
Real, working products spanning web platforms, mobile applications, education and digital publishing.
IDEA · DESIGN · DEVELOPMENT · RELEASE47Total works
11Web systems
10Mobile products
23Courses & publishing
02 · SELECTED WORK
Featured productions
Living products and platforms that bring different disciplines together in one working result.
03 · ALL WORK
Production library
Choose a category and explore related projects, products, courses and publications.
01
02
Varkuna
The home of my server and file management applications, with Varkuna product information, downloads and help.
03
Netopsiyon Blog
I write about PHP, Linux and server administration, including the problems I encounter in my work and how I solve them.
04
Domain & Hosting
The website for our domain and hosting services at Netopsiyon, with plans, infrastructure information and service management.
05
Kiraz's Kitchen
I share recipes and cooking information through Kiraz’s Kitchen. The website, mobile app and recipe book are parts of the same project.
06
Renkita – My Coloring Book
This website introduces my Renkita coloring app, with a look at its drawings and how to use it.
07
Tohumdan Hayata
I share information about identifying, caring for and growing plants on this website.
08
Film Ajandam
My film project brings together movie information, cast details and viewing notes as a resource for choosing what to watch.
09
Web Tools
I brought together tools for everyday web checks in one place, accessible directly from a browser.
10Check IP Address
I built a web tool that displays the IP address and connection details of the network you are using.
11
Elektronik Atölyesi
I share hands-on tutorials on electronic circuits, Arduino and Raspberry Pi.
12
Dört İşlem Pratik
I built a mathematics app for practicing addition, subtraction, multiplication and division.
13
Üç-Kare Oyunu (XOX / SOS)
I brought the familiar paper-and-pencil games XOX and SOS to a mobile app.
14Netopsiyon Mobile
The Android app I developed for accessing and reading the articles I publish on Netopsiyon.
15Kiraz's Kitchen Mobile
I brought Kiraz’s Kitchen recipes to Android, making the website’s recipes accessible through a mobile app.
16Renkita Mobile
I developed Renkita for children and adults to color drawings on their phones, choosing colors and filling in the artwork.
17Varkuna
An app I developed for connecting to servers over SSH, working in the terminal and accessing frequently used commands from a phone.
18
Varkuna FTP
An app I developed for transferring files between a phone and a server, with support for FTP, FTPS and SFTP.
19
Huzurlu Kareler
I developed a puzzle game based on fitting colorful pieces together, with a focus on a calm playing experience.
20
Mindful Numbers Sudoku
A mobile game I developed for solving Sudoku puzzles through logical reasoning.
21
Folding Squares
A puzzle game in which matching numbers merge into larger ones. Each move calls for thinking about both the numbers and the space left on the board.
22
Varkuna Connect
A desktop application I developed to keep server connections, terminal work and files in one window.
23
Varkuna Rename
Rename files in batches and preview new names before applying changes. Rename the originals or keep them and create copies with new names.
24
Varkuna Images
Convert and resize JPEG, PNG, WebP and AVIF images in batches. Adjust output quality and edit metadata; processed images are saved separately, keeping the originals intact.
25
HTML and HTML5 Course
I explain HTML tags and web page structure through examples, focusing on building pages with HTML and HTML5.
26CSS Course
I explain how to use CSS to style web pages and adapt their layouts to different screens.
27CSS Grid Course
I explain rows, columns and page layouts in CSS Grid through examples.
28CSS Flexbox Course
I use examples to explain how Flexbox aligns and orders elements and distributes space between them.
29Linux Vi / Vim Text Editor
I explain editing files in the terminal with vi and Vim, focusing on their commands and how the editors work.
30Linux Shell Script Course
I explain writing shell scripts to automate repetitive Linux tasks and how to combine commands in a script.
31Zabbix Installation Course from A to Z
I walk through the Zabbix installation process, covering the steps needed to set up a server monitoring system.
32Linux nano Editor Course
I explain opening, editing and saving files with nano, focusing on the essentials of everyday use.
33
Kiraz's Kitchen – Master Recipe Book
I also prepared Kiraz’s Kitchen recipes as a book, offering another way to access them alongside the website and mobile app.
34Linux Commands Cheatsheet – Book 1
I collected Linux commands for working with files and directories in this book.
35Linux Commands Cheatsheet – Book 2
I cover Linux commands for checking disk space, system status and resource usage.
36Linux Commands Cheatsheet – Book 3
I cover the commands used to manage Linux services and examine logs.
37Linux Commands Cheatsheet – Book 4
I focus on Linux commands for checking network connections and ports.
38Linux Commands Cheatsheet – Book 5
I collected commands for managing Linux users, file permissions and access.
39Linux Commands Cheatsheet – Quick Summary Edition
I prepared a concise English reference for quickly looking up how to use Linux commands.
40Linux Commands Cheatsheet – Complete Edition
I collected Linux commands in a more extensive English reference, covering everyday terminal tasks and system administration.
41Electronics Workshop – Basic Electronics
I explain basic electronics, from Ohm’s law to soldering, in the opening book of the Electronics Workshop series.
42Electronics Workshop – Digital Electronics
I cover logic gates, the 74HC595 and I2C, SPI and UART communication in the digital electronics volume of the Electronics Workshop series.
43Computer Hardware Handbook
I explain computer components, PC assembly and hardware troubleshooting, including how the parts work together.
44Linux Commands Cheat Sheet – Book 6
I collected Linux commands for backups, archiving and file transfers between servers, including restoration and backup verification.
45Databases
I explain working with MySQL, PostgreSQL, SQLite and Redis on Linux through examples of installation, daily administration and backups.
46Electronics Workshop – Arduino
I cover Arduino circuits using LEDs, sensors, displays and motors in this hands-on volume of the Electronics Workshop series.
47Electronics Workshop – Raspberry Pi
I explain Linux and Python on Raspberry Pi, GPIO connections and working with sensors, bringing these topics together in automation projects.
04 · WHAT IS NEXT?Let us build the
Discuss the project ↗