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BASH Snippets.

Dynamic Log File Tail with Filtering

A bash script to continuously monitor (tail) a log file, optionally filtering its output based on a keyword, useful for debugging web applications.

Automate File Backup with Timestamps

Learn to create a robust bash script for automating file backups, appending timestamps to directories for easy versioning and recovery.

Find Large Files and Directories

Efficiently locate large files and directories in your file system using bash, helping you manage disk space and identify resource hogs.

Read and Process CSV Files Line by Line

Learn to read and parse CSV files line by line using bash, extracting and processing individual fields for data manipulation.

Find and Replace Text in Project Files

A powerful bash script to recursively find files matching a pattern and replace text within them, useful for refactoring or updating configurations across a web project.

Monitor Web Service Health Check

Bash script to perform a basic health check on a web service by curling a URL and verifying the HTTP status code and optionally checking for expected content.

Clean Up Stale Local Git Branches

A useful bash script to automatically delete local Git branches that have already been merged into the main branch or whose remote tracking branch no longer exists.

Generate Secure Random String/Password

A bash script to generate strong, customizable random passwords or strings using /dev/urandom, suitable for secure credentials or tokens in development.

Synchronize Local Directory to Remote Server

A bash script utilizing rsync to efficiently synchronize local web project files with a remote server, ideal for static site deployments or asset updates.

Automate Daily Database Backups

Learn to automate daily database backups for MySQL or PostgreSQL, compressing and timestamping them for easy recovery and storage in web development.

Automate Let's Encrypt SSL Certificate Renewal

Discover how to create a simple bash script to automate the renewal of Let's Encrypt SSL certificates, ensuring your web applications remain secure and accessible.

Find and Kill Process on Occupied Port

A useful bash snippet for web developers to quickly find and terminate processes occupying a specific network port, resolving common local development conflicts.