codient

System monitoring is one of the most valuable skills in DevOps — and most engineers only learn it after their first major outage. Here's how to get ahead of that. Picture this: it's 2 a.m. on a Friday. Your company's main app is down. Customers are tweeting. Your phone won't stop buzzing. You SSH into the server and start scrolling through logs, trying to figure out what broke and when. An hour later, you find a memory leak that's been growing for three days. It finally tipped over at midnight. Now picture the same situation — except this time, a Slack alert woke you at 11:45 p.m. saying memory usage crossed 85%. You fix it before it crashes. The app never goes down. No customers notice anything. That's the difference system monitoring makes. Not just fixing problems. Preventing them. Key Takeaways System monitoring tracks the health of servers, apps, and networks — so problems get caught before users notice them. The core system monitoring...