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BASH Snippets.

Automating Basic Project Directory Structure Creation

A simple bash script to quickly scaffold a new web project's common directories like src, public, config, and logs, enhancing development workflow.

Handling Signals and Graceful Script Termination with trap

Learn to use the `trap` command in bash to intercept signals like Ctrl+C (SIGINT), allowing scripts to perform cleanup tasks and exit gracefully.

Checking Multiple Network Port Availability on Localhost

A bash script to check the availability of a list of specified network ports on the local machine using `nc` (netcat), useful for diagnosing service issues.

Automating Web Application Deployment via Rsync over SSH

Streamline web application deployments by securely synchronizing local files to a remote server using rsync over SSH, ensuring efficient updates and version control.

Monitoring and Auto-Restarting a Web Service (e.g., Nginx)

Ensure continuous availability of critical web services like Nginx by scripting a bash monitor that periodically checks process status and automatically restarts it if found down.

Extracting Specific Errors or Patterns from Web Server Logs

Efficiently analyze web server logs (e.g., Apache, Nginx) using bash to filter and extract critical error messages or custom patterns, aiding in quick debugging and issue identification.

Automating Daily Database Backups for Web Applications

Secure your web application data by scheduling automatic daily database backups using bash scripts for MySQL or PostgreSQL, ensuring reliable data recovery and disaster preparedness.

Securely Managing Environment Variables for Web Deployments

Streamline and secure the handling of application environment variables for different deployment stages using bash scripts, preventing hardcoding sensitive data and enhancing flexibility.

Automate Web Project Update with Git Pull and Build

Streamline your web development workflow with a Bash script that pulls the latest code from Git, installs npm dependencies, and runs build commands for project updates.

Find and Kill Process Using a Specific Port

Prevent 'address already in use' errors by identifying and optionally terminating processes listening on a specified TCP port using this interactive Bash script.

Download Files from a List of URLs with Wget

Automate the downloading of multiple files by providing a text file containing a list of URLs, ideal for fetching assets or data in web development projects.

Extract and Count Specific Patterns in Log Files

Analyze web server or application logs by extracting and counting occurrences of specific patterns, like error messages or IP addresses, using simple Bash tools.