RHEL

Solaris / Linux: nicstat Command Show Network Interface Card Statistics

by on March 10, 2013 · 2 comments

in Command Line Hacks, Hardware, Networking

nicstat-welcomeThe nicstat command is top like utility for network interface card (NIC). It displays information and statistics about all your network card such as packets, kilobytes per second, average packet sizes and more. It works under Solaris and Linux operating systems.

In this post, I will explain how to install and use the nicstat command to find out stats about your NICs under Debian / Ubuntu / RHEL / CentOS Linux operating systems.

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Linux iotop: Check What’s Stressing And Increasing Load On Your Hard Disks

by on July 20, 2012 · 3 comments

in Hardware, Storage

The iotop command is top like utility for disk I/O. It watches I/O usage information output by the Linux kernel (requires v2.6.20 or later) and displays a table of current I/O usage by processes or threads on the system. This post expalins how to install and use iotop to find out what’s stressing (or program names) on your hard drives under Linux operating systems.

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