System Headroom

Quick system resource check with configurable thresholds.

Commands

# Check all resources with default thresholds
./scripts/check.sh

# Custom thresholds
./scripts/check.sh --disk 90 --mem 95

Output

Shows:

• CPU load (uptime output)
• Disk usage per mount (df -h)
• Memory usage percentage
• Warnings if thresholds exceeded

Exit Codes

• 0: All resources within thresholds
• 1: One or more warnings triggered

Environment Variables

| Variable | Default | Description | | ---------------- | ------- | ------------------------------ | | DISK_THRESHOLD | 85 | Warn if disk usage exceeds % | | MEM_THRESHOLD | 90 | Warn if memory usage exceeds % |