This directory contains practical learnings and discoveries from development sessions. Each entry captures techniques, gotchas, and solutions that might be easily forgotten.
2025-07-13 - Crontab Environment, Process Locking, and System Logging
Essential techniques for reliable automation: crontab PATH configuration, flock for process locking, logger for system logging, and debugging strategies for cron jobs.
When adding new entries, follow this format:
Use date format: YYYY-MM-DD.md
# TIL: YYYY-MM-DD - Brief Title
## Problem Context
Brief description of what problem led to this learning.
## Key Learnings
### 1. Main Learning Point
**Issue**: What was the problem?
**Solution**: How was it solved?
**Why This Matters**: Why is this important to remember?
### 2. Another Learning Point
...
## Related Concepts
- Links to related topics
- References to tools or documentation
## When to Use This
Practical guidance on when to apply these learnings.Add new entries to the index above using:
### [YYYY-MM-DD](YYYY-MM-DD.md) - Brief Title
One-line summary of what the TIL contains (what problem it solves or technique it covers).TIL entries are organized by discovery date but may cover these recurring themes:
- System Administration: cron, services, environment configuration
- Development Tools: git, build systems, debugging techniques
- Shell Scripting: bash patterns, error handling, performance
- Database Operations: SQL techniques, schema management, optimization
- Network Operations: connectivity testing, troubleshooting, monitoring
- Automation: process management, logging, deployment patterns
- Troubleshooting: debugging strategies, root cause analysis