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How to Use strace to Debug Applications on Linux: Tracing System Calls and Finding Root Causes Effectively

By admin April 28, 2026

strace lets you trace every system call a process makes on Linux — from file opens and network connections to lock waits — without needing source code or recompiling. This guide covers practical strace usage for debugging permission errors, missing files, hanging services, and I/O bottlenecks.

Docker

Distroless Docker Images: Remove Unnecessary Shell and OS to Harden Container Security

By admin April 28, 2026

Google's Distroless Images strip the shell, package manager, and unnecessary OS components from Docker containers — significantly reducing the attack surface. This guide covers how to use multi-stage builds with Distroless for Go, Python, and Java, along with real-world vulnerability comparison and testing techniques.

Docker

Docker Compose Profiles: Managing Optional Services by Environment — Debug and Monitoring Completely Isolated

By admin April 28, 2026

Docker Compose Profiles lets you isolate debug and monitoring tools from your core services within a single docker-compose.yml file. This article shares practical lessons from six months of production use, with concrete examples for local, staging, and production environments.

Database

Getting Started with ClickHouse: A High-Performance OLAP Database for Large-Scale Analytics

By admin April 28, 2026

ClickHouse is a columnar OLAP database that lets you analyze hundreds of millions of rows in seconds. This guide covers installation on Linux, choosing the right table engine, importing real-world data, and production deployment tips for DevOps teams.

Docker

Docker Compose: Wait for DB to be Fully “Healthy” Before Starting App with Health Checks

By admin April 27, 2026

Don't let your app crash just because the database starts slowly. Learn to combine depends_on and healthcheck in Docker Compose to control container startup order like a pro.

Development

Turborepo + pnpm: The ‘Powerful’ Combo for Smoother Monorepo Management

By admin April 27, 2026

Learn to build professional Monorepos with Turborepo and pnpm. This solution accelerates builds, saves disk space, and provides efficient centralized code management for dev teams.

Monitoring

Prometheus Pushgateway: Mastering Batch Job Monitoring Without Missing a Second

By admin April 27, 2026

A detailed guide on using Prometheus Pushgateway for effective Batch Job monitoring. This article shares tips to avoid Stale Metrics and correct configurations for DevOps.

Git

Git Commit Template & Conventional Commits: Stop Turning Your Git History Into a Trash Heap

By admin April 27, 2026

No more meaningless 'update code' commits. Discover how to set up Git Commit Templates and Conventional Commits to clean up your history and automate Changelogs in 5 minutes.

Virtualization

Multipass: Create Ubuntu VMs in 30 Seconds – The Ultimate VirtualBox Alternative

By admin April 26, 2026

Multipass is a high-speed Ubuntu VM creation tool by Canonical. This guide shows how to replace heavy VirtualBox with a lightweight, native hypervisor solution.

Git

Cleaning your Repo with git clean: How to Safely and Professionally Remove Untracked Files

By admin April 26, 2026

Learn how to safely use git clean to remove untracked files and junk directories in Git. A detailed guide on -n, -f, and -fd commands for developers.