hexplain.hashnode.devHow to Encrypt Sensitive Data in LocalStorage (When You Really Have No Choice)In an ideal world, sensitive data would never touch localStorage. Session state would live in httpOnly cookies, large client-side data would sit in IndexedDB, and secrets would stay firmly on the server. But production is rarely ideal. Sometimes you ...Jan 23·3 min read
hexplain.hashnode.devContent Delivery Networks ExplainedIn the modern digital era, speed, reliability, and performance are no longer optional characteristics of online services. Users expect websites, applications, and digital media to load instantly, regardless of where they are accessing them from. Cont...Jan 22·6 min read
hexplain.hashnode.devRecursive Language Models vs RAG: Understanding the Real Trade-OffsIntroduction Search remains one of the hardest problems in the AI application layer. Over the last year, this has become increasingly obvious as teams build assistants on top of large knowledge bases, policy documents, code repositories, and customer...Jan 22·5 min read
hexplain.hashnode.devInodes in Linux Explained: Why Every Administrator Must Understand ThemI have worked with many system administrators who are genuinely strong with Linux. They know multiple Linux distributions, handle incidents confidently, and troubleshoot under pressure. But there is one topic almost everyone quietly ignores: inodes. ...Jan 21·3 min read
hexplain.hashnode.dev10 `grep` Commands That Make You Look Like a Linux Power UserIf you have ever found yourself scrolling endlessly through log files or trying to locate a single configuration line buried inside thousands of lines of output, you already know the pain. This is exactly where grep shines. It is one of those Unix to...Jan 17·2 min read
