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BASH Snippets.

Deploy Static Website via SCP

Automate the secure deployment of a static website or build artifacts to a remote server using SCP, ideal for simple CI/CD pipelines.

Automate Remote File Deployment with Rsync

Efficiently synchronize local files to a remote server over SSH. This snippet uses rsync for fast, reliable web deployment and secure, incremental backups.

Monitor and Restart a Background Service

Create a robust bash script to check if a critical web service is running and automatically restart it if inactive, ensuring continuous operation and availability.

Analyze Nginx Access Logs for Errors

Quickly parse Nginx access logs using bash, grep, and awk. Identify 4xx/5xx errors or specific request patterns, crucial for website debugging and performance monitoring.

Create and Rotate Directory Backups

Automate daily or weekly backups of a specified directory using tar and gzip. Implement a smart rotation strategy to keep only a set number of recent backups.

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.