How to Measure Disk Performance using Fio in Linux

fio disk performance

Fio is a free and open source tool that can be used for benchmark and hardware verification. It supports lots of I/O engines including, libaio,sync, nmap, syslet, network, slice and many more. It also supports many distributions such as Linux, [...]

Hitesh Jethva 3:59 am

14 Command Line Tools to Check CPU Usage in Linux

CPU performance monitor with nmon

CPU performance is one aspect of measuring the performance of a system. Monitoring the performance of CPU is essential to debug processes inside any system, manage system resources, making system decisions, and evaluating and examining systems in real time. There [...]

Dwijadas Dey 3:00 am

Sar Command in Linux with Examples

sar command linux

Sar command is one of the very useful tools for any Linux administrator to monitor the system performance and to investigate the bottlenecks. This tool is provided by the sysstat package and can be used to find a variety of [...]

Bobbin Zachariah 8:53 pm

How to Use /etc/sysctl.conf for Linux Kernel Security Hardening

Sysctl is a powerful Linux command which acts as an interface to dynamically change the kernel parameters. With the help of this command, you can modify the kernel parameters without recompiling the kernel or rebooting the machine. The parameters available [...]

Bobbin Zachariah 9:37 am

Mytop - How to Monitor MySql Performance


Mytop is a very useful program to see what all queries a server is currently processing as well as which user is executing them. Think of mytop as top for mysql. If you see a lot from one particular user, that means [...]

Bobbin Zachariah 6:07 pm

Learn How Monitor Linux Performance Using iostat Command with Examples

The iostat command in Linux is used to monitor the system's  I/O device loading, by observing the time devices are active in relation to their average transfer rates. The iostat command generates reports that can be used to modify your system's [...]

Bobbin Zachariah 9:35 pm