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BASH Snippets.

Monitor Website Availability and Response Time

Use `curl` to perform essential health checks on a website. Verify its HTTP status code and measure connection and total response times for critical performance monitoring.

Perform Bulk Find and Replace Across Multiple Files

Efficiently update text in a large codebase using a Bash script with 'find' and 'sed' for bulk search and replace operations across multiple files.

Implement Robust Command-Line Argument Parsing

Enhance your Bash scripts by implementing robust command-line argument parsing with 'getopts', making them flexible, user-friendly, and error-resistant.

Implement Basic Error Handling and Logging in Bash Scripts

Learn to write more resilient Bash scripts by integrating basic error handling with 'set -e', 'trap', and custom logging functions for better debugging and reliability.

Check if a Local Port is Available for Use

Write a Bash script to quickly determine if a specific TCP port is open or in use on your local machine, essential for starting new development services.

Safely Source Environment Variables from a .env File

Load configuration from .env files into your Bash scripts. This snippet parses key-value pairs, handles comments, and quotes, making environment management simple.

Reload Nginx/Apache Configuration Safely

Bash script to safely reload web server configurations (Nginx or Apache) without service interruption, useful for web server management and deployment automation.

Automate Log File Archiving and Rotation

Bash script to automate archiving and rotating application log files, preventing disk space issues and simplifying log management for web applications.

Deploy Static Site Content with rsync

Efficient Bash script to synchronize local static website files to a remote server using rsync, ideal for continuous deployment and updates.

Monitor Disk Usage and Send Email Alert

Bash script to check server disk space usage and send an email alert if a specified threshold is exceeded, preventing critical storage issues.

Manage Multiple Local Development Services

Bash script to start, stop, or manage multiple background services or commands for a local web development environment, streamlining workflow.

Automate Website & Database Backups

Learn to create a robust Bash script for automating website files and MySQL/PostgreSQL database backups, complete with timestamped archives and cleanup.