🔗 Some useful websites for programmers.

the resources I use to learn computer science in my spare time

🐙 Guides, papers, lessons, notebooks and resources for prompt engineering, context engineering, RAG, and AI Agents.

Set up your own OpenVPN server on Debian, Ubuntu, Fedora, CentOS, Arch Linux and more

【大厂面试专栏】一份Java程序员需要的技术指南，这里有面试题、系统架构、职场锦囊、主流中间件等，让你成为更牛的自己！

Ansible playbook for Elasticsearch

Sample code and configuration files from the Designing Distributed Systems book.

Kubernetes Operations (kOps) - Production Grade k8s Installation, Upgrades and Management