Linux Server Administration — Web Application Developer

“Earned daily, not given”

Hello, I’m

Saman Udayanga Wijesinghe

Linux Server Administration — Web Application Developer

Passionate open source advocate and long-time Linux enthusiast who believes in the power of free as in freedom. I spend my time administering servers, building for the web, and exploring the ever-evolving landscape of open source software and technology. Privacy matters, community matters, and great software should be accessible to everyone.

What I’ve Built

Featured Projects

A selection of open-source tools, infrastructure projects, and automation platforms.

Payas Imager
Payas

Payas Imager

An open source image viewer that runs entirely in the web browser with no server required — part of the Payas Webkit …

Payas Player
Payas

Payas Player

A lightweight, fully browser-based media player for audio and video files. No installation, no server, no data …

Payas Reader
Payas

Payas Reader

A free, open source document reader for the modern web — read PDF, EPUB, Markdown, and plain text with a beautiful, …

Payas Editor
Payas

Payas Editor

A WYSIWYG rich text editor with multi-tab document management that runs entirely in the browser — saves as portable …

Thoughts & Insights

Latest Articles

Deep dives into DevOps, cloud architecture, and modern engineering practices.

Scroll Less, Live More with Dumbphones
Tech

Scroll Less, Live More with Dumbphones

Constant scrolling has quietly stolen something precious from daily life. A growing number of people are switching back …

Time to Get Away from Doom Scrolling
Tech

Time to Get Away from Doom Scrolling

Doom scrolling is the habit of continuously consuming negative news or distressing content online — often without …

The "Fall" of Richard Gere – Or Something Very Different?
Movies

The "Fall" of Richard Gere – Or Something Very Different?

When people talk about Richard Gere, the phrase 'he disappeared' often comes up. But did he really fall from Hollywood… …

Knowledge Base

Tech Wiki

Curated reference guides, how-tos, and technical documentation.

Locating MAC & IP on Linux
Linux

Locating MAC & IP on Linux

A practical terminal guide to finding your IP address, MAC address, DNS servers, gateway, Wi-Fi details, and other …

Secure Your Data: ecryptfs on Linux
Linux

Secure Your Data: ecryptfs on Linux

A practical step-by-step guide to encrypting files and directories on Linux using ecryptfs-utils — covering …

Arch Linux Pacman Essentials, Commands and Strategies for Power Users
Arch

Arch Linux Pacman Essentials, Commands and Strategies for Power Users

A power user's reference to Pacman — the package manager behind Arch Linux and Manjaro. Master installing, removing, …

Easy MySQL Database Administration, Creating Users and Assigning Privileges
Databases

Easy MySQL Database Administration, Creating Users and Assigning Privileges

A practical terminal guide to MySQL database administration — learn how to create databases, create users, assign and …

Arch Linux Wi-Fi Configuration Made Easy with iwctl
Linux

Arch Linux Wi-Fi Configuration Made Easy with iwctl

A step-by-step terminal guide to connecting and managing Wi-Fi on Arch Linux using iwctl and iwd — from scanning …

Managing Packages Like a Pro: APT Commands You Need
Linux

Managing Packages Like a Pro: APT Commands You Need

A complete hands-on guide to APT — the package manager powering Debian and Ubuntu systems. Learn how to install, remove, …

Background & Expertise

Education, Talents & Skills

Academic background, professional experience, and technical proficiencies.

2009 – 2013
Bachelor of Industrial Information Technology (BIIT)
Uva Wellassa University
2015 – Present
Web Application Developer(Title) & Linux Server Administrator(highly involved)
Capital Maharaja Group
Developed and managed custom PHP web applications (including real-time projects) and WordPress websites, handled site/app backups and MySQL maintenance, administered web assets on Cloudflare and AWS to deliver cost-effective hosting, server, and and security solutions, maintained documentation, and identified/resolved security issues using Linux-based open-source tools.
2014 – 2015
Web Application Developer
IDM Nations Campus
Developed and managed custom PHP web applications (including a student management portal) and Joomla/WordPress websites, handling MySQL databases, backups, hosting, and DNS while introducing cost-effective, reliable web solutions.
2013 – 2014
Trainee Web Application Developer (intern)
Capital Maharaja Group
Developed and maintained custom PHP web applications and Joomla/WordPress websites, managing MySQL databases and site/application backups to ensure data integrity and availability.
Linux Server Administration 95%
Bash Scripting 90%
Web Application Development 85%
Networking & Security 80%
Database Administration 75%
Sinhala Native
English Fluent (C1)
Hindi Spoken only
Linux System Administration
Open Source Development
Web Application Development
Technical Writing
Problem Solving