SadServers
  • Scenarios
  • Dashboard
  • Solutions
    For Individuals For Businesses
  • Ranking
  • Newsletter
  • Documentation
    FAQ Pro Accounts Business Accounts Gift Support API Privacy Troubleshooting Interviews
  • Blog
  • Pricing
  • Gift
    Gift Purchase Gift Redeem
  • About
Log In - Sign Up

"Saint John": what is writing to this log file?

Scenario: "Saint John": what is writing to this log file?

Level: Easy

Type: Fix

Tags: python   bash  

Access: Public

Description: A developer created a testing program that is continuously writing to a log file /var/log/bad.log and filling up disk. You can check for example with tail -f /var/log/bad.log.
This program is no longer needed. Find it and terminate it. Do not delete the log file.

Root (sudo) Access: True

Test: The log file size doesn't change (within a time interval bigger than the rate of change of the log file).

The "Check My Solution" button runs the script /home/admin/agent/check.sh, which you can see and execute.

Time to Solve: 10 minutes.

Send Us Feedback
Get Notified
For announcements like new scenarios. We'll never share your email with anyone else.
SadServersSadServers

Real-world Linux and DevOps scenarios for hands-on learning and technical assessment.

Uptime Robot ratio (30 days)
Product
  • Scenarios
  • For Individuals
  • For Businesses
  • Pricing
Resources
  • FAQ
  • Blog
  • Newsletter
Company
  • About Us
  • Support
  • Privacy Policy
  • Terms of Service
  • Contact
Connect With Us
info@sadservers.com

Made in Canada 🇨🇦
Updated: 2026-02-20 23:15 UTC – 8ecb0ab