Tooling onhttp://www.greycipher.dev/categories/tooling/Recent content in Tooling onHugo -- gohugo.ioengreycipher@tutanota.com (GreyCipher)greycipher@tutanota.com (GreyCipher)© 2026 GreyCipherFri, 17 Apr 2026 20:49:44 +0200Building a Face Censor Toolhttp://www.greycipher.dev/posts/face-censor/Fri, 17 Apr 2026 20:49:44 +0200greycipher@tutanota.com (GreyCipher)http://www.greycipher.dev/posts/face-censor/How I built a command-line tool to automatically detect and censor faces in images, videos, and live webcam feeds using OpenCV’s DNN face detector — with blur, pixelation, and black box effects.Instabridge - Building an Instagram to Telegram Bothttp://www.greycipher.dev/posts/ig-telegram-bot/Sun, 01 Mar 2026 17:37:00 +0100greycipher@tutanota.com (GreyCipher)http://www.greycipher.dev/posts/ig-telegram-bot/A practical writeup on building Instabridge, a Telegram bot that automatically downloads and re-uploads Instagram media to a group chat. Covering the stack, setup, self-hosting, and what actually broke.SSH - A Practical Introductionhttp://www.greycipher.dev/posts/ssh/Sat, 28 Feb 2026 15:58:26 +0100greycipher@tutanota.com (GreyCipher)http://www.greycipher.dev/posts/ssh/A practical guide to SSH covering basic connections, key authentication, the config file, and common troubleshooting for Linux users.