Why Ghostty’s xterm-ghostty terminfo breaks SSH into remote Linux servers, why ssh-terminfo makes it worse, and the two-step fix that makes the problem go away for good.
Posts for: #Linux
The Userspace Tax Behind Protocols - QUIC(UDP) vs TCP
QUIC and TCP are not interchangeable.
Why Your App is Still Slow After Optimization?
Even with optimized queries, fast APIs, and a CDN, your app may still be slow. Network protocols like TCP congestion control and BGP routing introduce latency beyond your code.
What is Kernel TLS (kTLS) and Why Offload TLS to the Kernel or NIC?
Kernel TLS (KTLS) moves TLS encryption from user space into the Linux kernel or even the NIC. Offloading reduces CPU overhead, enables zero-copy I/O, and boosts performance for high-throughput applications.
What’s Inside My Home Lab?
What’s actually running in my home lab and how I built it all for under $70. From K3s clusters on VMs to self-hosted services with proper HTTPS - a complete walkthrough of my personal infrastructure.