Bash DevOps Scripts

A collection of simple Bash scripts for basic system administration and automation tasks.

Scripts included

backup.sh

Creates a compressed archive of a specified directory and writes a log entry.

Features:

• directory backup using tar
• timestamped archive names
• logging to file

disk_check.sh

Checks disk usage and warns if it exceeds a defined threshold.

Features:

• monitors disk usage percentage
• customizable threshold
• suitable for automation (cron)

system_report.sh

Displays basic system information.

Features:

• CPU usage
• RAM usage
• system uptime
• log_cleaner.sh

Requirements

• Linux system
• Bash
• Standard utilities: tar, df, awk, tr, free, uptime, find

Usage

Make scripts executable:

• chmod +x *.sh

Run any script:

• ./script_name.sh