Auto-Restarting Windows Services with Ruby: A Self-Healing Service Monitor
A critical Windows service — a web app, a print spooler, a custom background agent — occasionally crashes, and nobody...
Automated Backup and Rotation Scripts in Ruby
Every sysadmin has been burned at least once by a config directory, a small database, or an application state folder...
Building a Ruby Log Analyzer for Nginx and Apache Access Logs
If you run Linux or Windows servers behind Nginx or Apache, you already have a goldmine of operational data sitting...
Using Nmap
Learn how to use Nmap, a powerful network scanning and discovery tool, to analyze networks, find live hosts, identify services...
Python CLI Development with Argparse Module: From Basic Usage to Advanced Subparsers and Customization
Learn how to create command-line interfaces (CLIs) for your Python scripts and applications using the argparse module. This tutorial covers...
Linux – User Managment
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Linux – Files and Permissions
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Linux – Copying and Renaming Files
This tutorial provides a comprehensive guide to essential file operations in Linux, including copying, moving, renaming, and deleting files. You’ll...
Linux – Listing and Inspecting Files
This tutorial teaches you how to list and inspect files in Linux using `ls -l` and `ls -la`, understand file...