Premium
BASH Snippets.

Manage Config Files with Conditional Creation

Create and manage application configuration files or environment variable files in Bash, ensuring they exist and are populated with default content if missing.

Monitor Website Availability with Bash

A Bash script to periodically check if a website is online and notify if it's down, useful for site reliability and basic health checks.

Create Timestamped Backups of Directories

A Bash script to automatically create compressed, timestamped backups of a specified directory, essential for data recovery and versioning.

Parse and Extract Data from JSON with `jq`

Learn how to use `jq` in Bash to efficiently parse JSON output from APIs or files, extracting specific fields and transforming data for scripting.

Check and Restart a Linux Service or Process

A Bash script to verify if a specified process or service is running and, if not, restart it, ensuring continuous application availability.

Check SSL Certificate Expiry and Send Notification

Monitor the expiration date of an SSL certificate for a given domain and send a notification if it's nearing expiry, preventing service interruptions.

Find and Delete Old Files by Age and Extension

Recursively locate and remove files older than a specified number of days, filtered by file extension, to help manage disk space on web servers.

Synchronize Local Files to Remote Server with rsync

Efficiently deploy and synchronize local website files to a remote server using rsync, transferring only changed files and excluding specific patterns for faster updates.

Basic Web Service Health Check with cURL

Perform a simple health check on a web service endpoint using cURL, verifying its HTTP status code and response time, useful for monitoring.

Automate Git Repository Backup

Create a timestamped, compressed backup of a local Git repository, ideal for safeguarding project history or migrating repositories.

Monitor and Auto-Restart Systemd Service

A robust bash script to check the status of a systemd service (e.g., Nginx, Apache) and automatically restart it if it's inactive or failed, ensuring service uptime.

Robust Command Line Argument Parsing

Master parsing command-line options and arguments in bash scripts using `getopts` for creating flexible and user-friendly utilities with short flags.