Launching Local Web Dashboards in Specific XFCE Workspaces. If you’re using Chromium to access web interfaces like Home Assistant, Proxmox VE, OpenWrt, or OPNsense, you may want each to launch in its own minimal window — and automatically appear in…
Here is a robust way to prevent screen blanking on a Debian 12 kiosk during specific hours (10:00 to 13:00, Monday to Friday) while avoiding persistent configuration changes that could be missed during power cycles. The system also must stay…
The Silent Killer of Network Connectivity: MTU Mismatches and PMTUD Black Holes Ever found yourself in a networking nightmare where pings work perfectly, but then SSH sessions hang mysteriously, or large file transfers just die? You’ve checked your firewalls, verified…
Reverse Path Filtering (RPF): Linux and many other OSes/routers implements a security feature called Reverse Path Filtering (RPF), often controlled by rp_filter sysctl parameter (e.g., /proc/sys/net/ipv4/conf/all/rp_filter). Purpose: RPF prevents IP spoofing and helps mitigate certain types of attacks. It works…
If you’ve configured a Debian 12 system in virt-manager and want to install it on real hardware, this guide shows how to transfer the VM image to a USB stick and boot it on a physical machine. 🔧 Step 1:…
🎬 1. Plan Your Video 📹 2. Record Yourself Holding the Phone (Intro Clip) 📱 3. Record the Phone Screen On Android: On iPhone: 👇 4. Add a Virtual Finger or Pointer 🖼️ 5. Picture-in-Picture (Your Face in the Corner)…