The Paper Begins

I'm Jalilur Rahman Murtuza — full-stack dev with 8+ years building mobile, web, and backend apps. This blog is where I share code tutorials, app insights, and real-world dev experiences.

Explore featured projects, follow my code journey, or check out the latest posts below.

Featured

• Install Qt 6.8.0 Offline on Ubuntu

  2 Jan, 2026

  Complete step-by-step guide to install Qt 6.8.0 LTS offline on Ubuntu 24.04. Includes all dependencies, build configuration, and troubleshooting tips.

• Enable TLS in FusionPBX with Let's Encrypt

  1 Jan, 2026

  Step-by-step guide to enable TLS/SSL in FusionPBX using Let's Encrypt certificates for secure SIP communication on internal and external profiles.

• Complete Guide to Installing Debian Linux on VirtualBox VM

  15 Aug, 2025

  Complete step-by-step guide to install Debian Linux on VirtualBox virtual machine with screenshots and post-installation configuration.

Recent Posts

• Install Piper TTS on Debian Linux(Offline Neural Text-to-Speech Guide)

  11 Jan, 2026

  Step-by-step guide to install and test Piper TTS on Debian Linux, including downloading an English voice model and generating speech offline.

• How to Configure FreeSWITCH ESL for External Access

  15 Aug, 2025

  Step-by-step guide to configure FreeSWITCH Event Socket Layer (ESL) for external access, including firewall rules, ACL setup.

• Why Reflection is Slower Than Direct Object Creation in Java

  6 Aug, 2025

  Discover why using reflection to create objects in Java is slower than direct instantiation. Learn with code examples, performance insights, and best practices for efficient Java development.

• Why largeHeap Is Bad for Android Apps: Performance & Memory Explained

  28 Jul, 2025

  Learn why using the largeHeap flag in Android can cause more harm than good, and discover best practices for efficient memory management.