Blog
A daily log of real DevOps challenges — solved on live servers, documented with every command, concept, and lesson learned.
The system admin team at xFusionCorp Industries needed a user account for their backup agent — but that user should never be able to log in interactively. Here's how I tackled it.
Temporary access is a real-world challenge. Instead of hoping someone remembers to delete an account, Linux lets you set an automatic expiry date. Here's the clean way to do it.
A security audit triggered a company-wide hardening task — disable root SSH login across all app servers. I tackled it two ways: manually with vi, and automatically with a sed one-liner.
A security audit required SELinux to be installed and permanently disabled on App Server 2. The tricky part? 'Permanently' means editing a config file — not running setenforce. Here's the difference and why it matters.
Day 5+ coming soon — the journey continues