OS / Platform
29 posts
Linux Java Service Run Script Guide — A Practical run.sh Template
A step-by-step walkthrough of a real-world shell script that manages Java applications with start/stop/restart/status.
Kubernetes Beginner's Guide — Core Concepts of Container Orchestration
A practical guide to Kubernetes core concepts, key resources, kubectl commands, and deployment strategies.
Linux Network & Firewall Command Guide: Comparison by Distribution
A comparison of network diagnostic commands and firewall configuration across distributions.
CentOS End of Life — What Are the Alternatives? Why Rocky Linux Is the Answer
CentOS EOL timeline and a comparison of alternatives like Rocky Linux and AlmaLinux, with migration guides.
Essential Linux Commands Guide: Comparison by Distribution
A comparison of key commands across major distributions including Ubuntu, CentOS, and Alpine.
Linux Shell Scripting (Bash) Guide
A guide covering Bash script fundamentals through practical automation scripts.
Windows PowerShell (PS1) Scripting Guide
A guide covering PowerShell fundamentals through practical automation scripts.
Windows BAT Script Writing Guide
A guide covering batch file fundamentals through practical automation scripts.
Docker Basics — From Container Concepts to Production Deployment
A practical guide covering Docker core concepts, essential commands, Dockerfile writing, and Compose.
Docker Logging and Monitoring — Log Drivers, Prometheus, cAdvisor
A guide to Docker log driver configuration, Prometheus/Grafana monitoring, and cAdvisor.
macOS Security Settings Guide — FileVault, Firewall, Gatekeeper
A guide to FileVault encryption, macOS firewall, Gatekeeper, and privacy settings.
Linux Disk Management — df, du, LVM, and Mounting
A guide to checking disk usage, LVM volume management, partitioning, and fstab mount configuration.
Hyper-V Virtualization Guide — VM Creation, Networking, and Snapshots
A guide covering Hyper-V activation, VM creation, virtual networking, and checkpoint/snapshot management.
Docker Swarm Cluster Guide — Services, Stacks, and High Availability
A guide to Docker Swarm cluster setup, service deployment, stack management, and rolling updates.
Crontab Scheduler Guide — Cron Expressions and Practical Examples
A guide to cron expression syntax, crontab configuration, log checking, and real-world automation examples.
Complete Time Machine Backup Guide — Setup, Restore, and Network Backup
A guide covering Time Machine setup, exclusion folders, individual file restore, and NAS network backup.
Windows Dev Environment Setup Guide — SDKs, Tools, and PATH
How to set up a development environment on Windows, including SDK installation, environment variables, and PATH management.
Docker Security Best Practices — Rootless, Image Scanning, Secrets
An overview of Docker security risks, rootless mode, image vulnerability scanning, and secrets management.
Linux File Permissions and User Management — chmod, chown, sudoers
A guide to the Linux permission system, chmod/chown, user/group management, and sudoers configuration.
Complete macOS Keyboard Shortcuts Guide — System, Terminal, and Finder
Essential macOS shortcuts for developers, organized by system, terminal, and Finder categories.
Winget and Chocolatey — Windows Package Management Guide
How to automatically install and manage Windows software with winget and Chocolatey.
Docker Networking Guide — bridge, host, overlay
An overview of Docker network drivers, container communication, DNS, and overlay networks.
Nginx Configuration Guide — Reverse Proxy, SSL, and Caching
A guide covering Nginx installation, reverse proxy setup, Let's Encrypt SSL, and static file caching.
macOS Dev Environment Setup — Xcode CLI, Terminal, and Shell Configuration
A guide to Xcode CLI tools, zsh/Oh My Zsh, iTerm2, and development tool installation.
Windows Terminal Customization — Profiles, Themes, and Shortcuts
A guide to Windows Terminal profile setup, Oh My Posh themes, keyboard shortcuts, and split panes.
Docker Multi-Stage Builds — Optimizing Image Size
Strategies and patterns for optimizing Docker images using multi-stage builds.
Complete Guide to systemd Service Management — Registration, Logs, and Timers
A guide covering systemd service file creation, state management, journalctl logs, and timer configuration.
Homebrew Package Management Guide — Installation, Management, and Cask
A guide to Homebrew installation, package/app management, taps, and Brewfile environment backup/restore.
Complete WSL2 Setup Guide — Installation, Distros, and VS Code Integration
A step-by-step guide to WSL2 installation, Ubuntu distro setup, VS Code integration, and filesystem interop.