check hard disk rpm or rotation speed

Lot of times you want to check the disk rpm, especially on the servers to check if it is 7.2K or 10K or 15K rpm disk. How do you do this from linux terminal. Here it is :

 

sginfo -g /dev/<device>

Note that sginfo comes from sg3-utils.

bash function for rpm whatprovides

Sometimes some simple one-liner function can save you a lot of time, like-

wps ()
{
    rpm -q --whatprovides $(which $1 )
}   # ----------  end of function wps  ----------

procinfo and procinfo-ng : Get system information from /proc.

The Fedora Project logo
The Fedora Project logo (Photo credit: Wikipedia)

Install procinfo or procinfo-ng. The procinfo contains three programs :

/usr/bin/lsdev
/usr/bin/procinfo
/usr/bin/socklist

and procinfo-ng contains ::

/usr/bin/procinfo-ng

The description for both of them is similar ::

Name        : procinfo-ng
Version     : 2.0.304
Release     : 5.fc17
Architecture: i686
Install Date: Tue 24 Jul 2012 05:45:10 PM IST
Group       : Applications/System
Size        : 140366
License     : GPLv2 and LGPLv2
Signature   : RSA/SHA256, Mon 12 Mar 2012 09:56:55 PM IST, Key ID 50e94c991aca3465
Source RPM  : procinfo-ng-2.0.304-5.fc17.src.rpm
Build Date  : Wed 29 Feb 2012 02:30:54 AM IST
Build Host  : x86-06.phx2.fedoraproject.org
Relocations : (not relocatable)
Packager    : Fedora Project
Vendor      : Fedora Project
URL         : http://sourceforge.net/projects/procinfo-ng/
Summary     : Console-based system monitoring utility
Description :
Procinfo-NG is a complete rewrite of the old system monitoring application
procinfo.  The goal is to make more readable (and reusable) code and to
restore broken functionality.

So, just install these with ::

sudo yum install procinfo procinfo-ng
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