Linux

Rust is promising, Go is productive, and C is what I still reach for when writing firmware for ARM Linux devices. This is not a language war — it is a practical look at why.

After years of wrestling with IPsec and StrongSwan on embedded gateways, WireGuard feels like the VPN that was designed for constrained devices. Here is why.

How a single shell script making hundreds of iptables calls became a C++ application using iptables-restore, and why the rewrite was about more than just performance.