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BASH Snippets.

Generating Dynamic Nginx Virtual Host Configuration

Learn to dynamically generate Nginx virtual host configuration files using a Bash script, useful for automating the setup of new web projects or domains.

Monitor Web Server Logs for Specific Errors

A bash script to continuously monitor web server error logs for specific keywords (e.g., 'error', 'failed') and alert the user, useful for real-time issue detection in web applications.

Automate Git Pull and Service Restart for Web Deployment

A concise bash script to pull the latest changes from a Git repository, optionally install dependencies, and restart a specified web service, ideal for simple CI/CD or manual deployments.

Check Server Disk Space and Inode Usage

A bash script to display current disk space usage and inode usage for all mounted filesystems, critical for maintaining server health and preventing storage-related outages in web servers.

Parse JSON API Response with JQ in Bash

Learn to extract specific data from a JSON API response using `curl` and `jq` within a bash script, essential for automating API interactions and data processing in web development.

Load and Use Environment Variables for Application

A bash script demonstrating how to load environment variables from a `.env` file and make them available to a child process or script, crucial for secure configuration management in web projects.

Check and Install Command If Missing

Essential Bash snippet for web developers to ensure required command-line tools like 'jq' or 'git' are installed, prompting installation if absent.

Parse Command Line Arguments

Learn to parse command-line arguments in Bash scripts, enabling flexible input for flags and options, a common task for developers automating tasks.

Find Files Modified Recently

Quickly locate files modified within a specific number of days using this Bash script, ideal for monitoring recent changes in a project directory.

Simple HTTP URL Health Check

Perform a quick health check on any HTTP/HTTPS URL using curl in Bash, verifying response status and connectivity for web services.

Generate Strong Random Passwords/Tokens

Generate secure, random passwords or tokens using /dev/urandom and head in Bash, essential for temporary credentials or unique identifiers.

Automate Daily Website/Project Backups

Create a robust bash script to automate backing up website files and, optionally, a database to a timestamped archive, essential for disaster recovery.