"Auto-Healing Linux: From Health Checks to AI-Powered Fixes"

#linux #cloud #devops #cloudwhistler

📌 Introduction
This guide will help you create a professional system health monitor that:

✅ Checks critical server metrics
✅ Generates beautiful reports
✅ Sends email alerts with actionable insights
✅ Runs automatically on schedule

🔧 Prerequisites

✅ Any Linux system (Tested on RHEL, Ubuntu, Raspberry Pi)
✅ Terminal access with sudo privileges
✅ Python 3 (for email functionality)
✅ Optional: ChatGPT/Gemini access for AI enhancements

🛠️ Step 1: Create the Health Check Script
AI-Generated Base Script

Disk Health Check

Memory Check

CPU Load

📧 Step 2: Add Email Notifications
Python Email Script

NOTE: Create Gmail App Password

Go to: https://myaccount.google.com/apppasswords
Select "Mail" and "Other (Custom Name)"
Name it "RHEL Healthcheck"
Copy the generated 16-digit password
Paste it in the script above replacing your_app_password
I connected with my Gmail as below Screenshot:

Step 3. Make the Script Executable

⏰ Step 4: Automate with Cron
3.1 Daily Reports

3.2 Critical Alerts

🎨 Step 4: Enhancements
4.1 AI-Powered Recommendations

4.2 HTML Reports

🚀 Final Output Examples
Email Subject Lines:

📊 [NORMAL] Server Health - CPU 15% | Disk 60%

🚨 [ALERT] High Memory Usage - 92% used!

Sample AI Analysis:

📢 Pro Tips

Test First: Run /usr/local/bin/healthcheck manually
Debug: Check /var/log/syslog for cron errors
Slack Alerts: Replace email with Slack webhooks for team notifications

Troubleshooting Steps: