vcstat

Introduction: In the vast toolkit of Linux system monitoring utilities, vmstat, iostat, and free are crucial commands that every system administrator should be familiar with. These tools provide real-time system performance data critical for daily operations and troubleshooting issues. This blog post introduces each utility and guides you on how to install and use them across various Linux distributions using apt, dnf, and zypper package managers. What is vmstat? The vmstat (virtual memory statistics) command reports information about processes, memory, paging, block IO, traps, and CPU activity. It’s especially useful for identifying system bottlenecks. How to Install vmstat: Debian/Ubuntu: vmstat is included in the procps package.