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BASH Snippets.

Automating Nginx/Apache Configuration Reload

Learn to automate web server configuration reloads with a bash script. This snippet safely tests Nginx or Apache configs and reloads services, ideal for deployments.

Deploy Static Files with Rsync over SSH

Automate static website deployments with this bash script using `rsync` over SSH. It efficiently transfers and synchronizes files to a remote server.

Automate Directory Backup with Timestamp

Learn to create a robust Bash script for automating directory backups, appending a timestamp to each archive for easy versioning and recovery.

Check and Restart System Service with Bash

Implement a Bash script to monitor a critical system service like Nginx or MySQL, automatically restarting it if it's not running to maintain uptime.

Automate Deletion of Old Files

Learn to write a Bash script that efficiently finds and deletes files older than a specified number of days, perfect for log rotation or temporary file cleanup.

Automate File Backup with Timestamp and Compression

Create a robust Bash script to automatically backup specified files or directories, adding a timestamp to the archive name and compressing it using `tar` and `gzip` for storage.

Check if Command Exists and Install if Missing

Write a Bash script to verify the presence of a required command (e.g., `jq`, `curl`) and provide instructions or attempt installation using common package managers like `apt`, `yum`, or `brew`.

Fetch and Parse JSON from an API with curl and jq

Learn to make HTTP GET requests to a REST API using `curl`, and efficiently parse the resulting JSON data on the command line using the powerful `jq` tool for data extraction.

Implement Robust Error Handling with trap and Logging

Learn to make your Bash scripts more resilient by using `trap` to catch errors and signals, implementing a custom error handler, and logging script execution to a file for better debugging.

Filter Web Server Access Logs by IP or Status Code

A Bash script to efficiently filter large web server access logs by specific IP addresses or HTTP status codes, useful for debugging and analysis.

Load .env File into Current Shell Environment

A simple Bash snippet to parse and load key-value pairs from a .env file into the current shell's environment variables, essential for local development.

Start a Simple Local HTTP Server and Open in Browser

A Bash script to quickly start a local HTTP server using Python's http.server and automatically open the served directory in your default web browser.