Software Engineer at SAP · Mannheim, Germany
Arshad Mehmood
Arshad Mehmood is a Software Engineer at SAP SE in Germany and the founder of Kookydroid. He holds an M.Sc. in Business Informatics from the University of Mannheim and specializes in cloud-native backend engineering, Go, Kubernetes, DevOps infrastructure, self-hosted systems, and Android development.
Technical articles live in Posts. Smaller discoveries and commands go into Today I Learned.

Latest posts
All postsIntroducing Vault Linker
Automatically link note titles in Obsidian vaults with the rebranded Vault Linker CLI and community plugin.
Complete Guide to SSH: From Basics to Advanced
Master SSH from connection basics to advanced file transfers. Learn authentication methods, key management, remote command execution, and security best practices.
How Fail2ban Locked Me Out of My Own Server (Traefik + Authentik)
A real incident report: I got my own IP banned after enabling Fail2ban with Traefik and Authentik, lost SSH access, recovered via provider console, and fixed my configuration.
We All Played Destiny, but Bungie Played Us All
After more than seven years, 1,000+ Grandmaster Nightfall clears, and thousands of hours in Destiny 2, this is my goodbye letter to a game Bungie slowly turned into an extraction machine.
ChatGPT is Secretly Sharing Conversations Within Projects: A Privacy Investigation
A detailed investigation revealing how ChatGPT's Projects feature shares conversation context between separate chats, despite users having memory settings disabled.