Server Management

2. Monitoring Principles

What to Monitor

Alert Severity Strategy

Monitoring Tool Selection

3. Log Management Principles

Log Strategy

Log Principles

1. Rotate logs to prevent disk fill
2. Structured logging (JSON) for parsing
3. Appropriate levels (error/warn/info/debug)
4. No sensitive data in logs

4. Scaling Decisions

When to Scale

Scaling Strategy

5. Health Check Principles

What Constitutes Healthy

Health Check Implementation

• Simple: Just return 200
• Deep: Check all dependencies
• Choose based on load balancer needs

6. Security Principles

7. Troubleshooting Priority

When something's wrong:

1. Check if running (process status)
2. Check logs (error messages)
3. Check resources (disk, memory, CPU)
4. Check network (ports, DNS)
5. Check dependencies (database, APIs)

8. Anti-Patterns

Remember: A well-managed server is boring. That's the goal.

When to Use

This skill is applicable to execute the workflow or actions described in the overview.

Limitations

• Use this skill only when the task clearly matches the scope described above.
• Do not treat the output as a substitute for environment-specific validation, testing, or expert review.
• Stop and ask for clarification if required inputs, permissions, safety boundaries, or success criteria are missing.