iostat

Learn to monitor filesystem performance and disk usage on Linux with `iostat`. This guide explains installing and using `iostat` to analyze CPU usage, disk activity, and more, optimizing system performance with real-time and device-specific data. Essential for Linux admins seeking system efficiency.

This article provides a comprehensive guide on using essential Linux monitoring tools: `vmstat`, `iostat`, and `free`. It explains each tool's functionality, installation methods across different Linux distributions, and usage tips to optimize system performance. `Vmstat` helps identify system bottlenecks, `iostat` monitors I/O device performance, and `free` gives a snapshot of memory usage, essential for efficient system operations.

Explore disk performance management using `iostat` in this guide, ideal for system administrators. Learn to install `iostat`, understand basic to advanced commands, and examine output for potential bottlenecks. Covers device-specific monitoring, JSON outputs, and best practices such as regular monitoring and alerts for optimized performance.