Logging

Featured post

Why Logs Disappear in Linux — Understanding stdout, stderr, and Redirection

When logs don’t show up in Linux, it’s rarely a configuration issue. This article explains how stdout, stderr, and redirection actually work, so you can understand where your logs really go.

Latest posts

2026.03.28 14 min read 🎯Docs 📚 Linux I/O and Data Flow — From Streams to Pipelines Linux Shell Logging

Linux Log Redirection Strategy — When to Combine and When to Separate stdout and stderr

Deciding whether to combine or separate stdout and stderr is not syntax—it’s a logging strategy. This post shows when to use >, 2>, 2>&1, and /dev/null, focusing on how to design data and error flows for reliability.

2026.03.27 6 min read 🎯Docs Docker Kubernetes Logging 📚 Linux I/O and Data Flow — From Streams to Pipelines

Why Container Logs Should Go to stdout — Why Standard Output Replaces File Logging in Docker and Kubernetes

Why do container environments rely on stdout instead of log files? This article explains the structural reasons behind stdout-based logging in Docker and Kubernetes, with examples, practical scenarios, and common mistakes.

2026.03.22 12 min read ⚙ Essays 📚 The Unix Design Story Behind Small Commands Unix Container Architecture Logging

Why Are Docker Logs Written to stdout — How the Unix I/O Model Survived into the Container Era

Why should application logs go to stdout instead of files in Docker and Kubernetes? Tracing container logging leads back to Unix design. This article shows how the stdout/stderr I/O model evolved into modern cloud logging systems.