Avatar photo

David Cao

David is a Cloud & DevOps Enthusiast. He has years of experience as a Linux engineer. He had working experience in AMD, EMC. He likes Linux, Python, bash, and more. He is a technical blogger and a Software Engineer. He enjoys sharing his learning and contributing to open-source.

3 ways to Check When a Table Was Last Used in PostgreSQL

Monitoring table activity is a vital task for database administrators looking to optimize performance or clean up “bloat” from unused objects. PostgreSQL provides a built-in cumulative statistics system that tracks every scan, insert, and maintenance task performed on your relations.…

How to Integrate MCP Servers with Claude Skills

Imagine you have just connected a powerful Linear MCP to your workspace, but every Monday morning, you still find yourself manually explaining your team’s specific sprint planning methodology to Claude. Or perhaps you’ve integrated a Notion MCP, yet you still…

How to Fix High CPU Usage in Linux When Nothing Looks Wrong

Troubleshooting a sluggish Linux server is frustrating, especially when your %CPU utilization shows low numbers but the system remains unresponsive. This guide provides four practical methods to diagnose and fix high CPU tension across distributions. Key Takeaways: Troubleshooting Hidden CPU…