10 Examples of Using grep to Find Errors in Logs

grep is essential for log analysis.

📋 Examples

1. Search for "error": grep "error" file.log
2. Case insensitive: grep -i "FAIL" file.log
3. With context: grep -C 3 "Exception" file.log
4. Count matches: grep -c "error" file.log
5. Inverse match: grep -v "INFO" file.log

🚀 Conclusion

Mastering grep will save you hours of manual searching.