#Linux

An Anthropic researcher used Claude Code to scan the entire Linux kernel source and unearthed a 23-year-old remotely exploitable heap overflow in NFSv4.0. Technical breakdown plus a reality check on what it costs for ordinary users to replicate this.

An AI system that automatically reviews Linux kernel patches. Detected 53.6% of known bugs that passed human review. Rust implementation supports both Gemini and Claude.

Step-by-step guide to building an IKEv2 VPN server with strongSwan on CentOS 7, including certificate setup, firewall rules, and client configuration for iOS, macOS, Windows, and Android.

Setup notes for an OpenConnect server (ocserv), a Cisco AnyConnect-compatible SSL VPN. These steps are for CentOS 7.

Setup notes for a simple and fast WireGuard VPN server. These steps are for Ubuntu 22.04/24.04.

Setup notes for a SoftEther VPN Server built for a China-facing business service, using a SecureNAT configuration.

Setup notes for a V2Ray server built for a China-facing business service. The stack is Cloudflare + Caddy + WebSocket + TLS.

Setup notes for a ShadowSocks server that I originally built for a China-facing business service, plus current recommended settings.

Installing the lightweight Linux distro Zorin OS 18 on a 2013–2015 MacBook Pro Retina and turning it into a practical daily machine.