10 Useful Sar (Sysstat) Examples for UNIX / Linux Performance Monitoring

10 Useful Sar (Sysstat) Examples for UNIX / Linux Performance Monitoring

by Ramesh Natarajan on March 29, 2011

Using sar you can monitor performance of various Linux subsystems (CPU, Memory, I/O..) in real time.

Using sar, you can also collect all performance data on an on-going basis, store them, and do historical analysis to identify bottlenecks.

Sar is part of the sysstat package.

This article explains how to install and configure sysstat package (which contains sar utility) and explains how to monitor the following Linux performance statistics using sar.

Results of Fedora 16 Release Name Voting

Fedora 16 is codenamed Verne. Here are other details:

The voting has concluded for the Fedora 16 release name, and the
results are in!  Thank you to the Fedora community members who made
name suggestions and participated in the voting.

The Fedora 16 release name is: Verne

Voting period:  Tuesday 2011-04-05 00:00:00 to Monday 2011-04-11 23:59:59
Number of valid ballots cast:  421

Using the range voting method, each candidate could attain a maximum
of (421*9) = 3789 votes.

The Ultimate Guide to Getting Support on Linux-use empathy to login to IRC….

The Ultimate Guide to Getting Support on Linux
Installing Linux has become effortless to the extent that anyone with a little knowledge of computers can get a Linux machine up and running instantly. However, many of them throw in the towel when faced with even the slightest of glitches. The main reason for this is the belief that Linux doesn’t offer any kind of support.

Other problem users face is that the regular technician who repairs their computer refuses even to touch a machine that’s running Linux. So, if you are one of those users disgruntled after encountering a multitude of problems with a fresh Linux install — don’t panic and read on to know some ways in which you could get support for your Linux installation.

Introducing /run – what is this directory doing in my root directory?

http://lwn.net/Articles/436012/

There is a suggestion to add /run directory that will be mounted as tmpfs. This directory will be mounted early in the boot process and can be used in various scenario’s. I hope this will improve few things in the linux world.

Related articles

• How to find the number of files inside the directory in linux (manivasagan.wordpress.com)
• How do you reset your Ubuntu password (wiki.answers.com)
• Finding Files using – locate – on Linux (galigio.org)

Slackware Linux 13.37 RC 3.1415926535897932384626433832

Slackware released the next version a few days back and guess the complete name : Slackware Linux 13.37 RC 3.1415926535897932384626433832. You must be crazy to tell the complete version to anyone.

Development Release: Slackware Linux 13.37 RC 3.1415926535897932384626433832 More fun with Slackware’s version numbers as Patrick Volkerding announces the latest release candidate for the upcoming Slackware Linux 13.37: +ACI-There have been quite a few changes so we will have one more release candidate: Slackware 13.37 RC 3.14159265358979323846264338327950288419716. Very close now+ACE But we’ll likely hold out for….

sakura – Reaaly good terminal with very few dependencies.

I was searching for something in the Fedora repos and found a really good terminal, sakura. Its very much like Gnome-terminal. I did not find much difference other than using less memory.

To install:

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      sudo yum install sakura
    </div>
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and the details of the package:

Name        : sakura

Arch : i686

Version     : 2.3.8

Release     : 1.fc14

Size        : 137 k

Repo        : installed

From repo   : fedora

Summary     : Terminal emulator based on GTK and VTE

URL : http://pleyades.net/david/sakura.php

License     : GPLv2

Description : Sakura is a terminal emulator based on GTK and VTE. It’s a terminal emulator

with few dependencies, so you don’t need a full GNOME desktop installed to

have a decent terminal emulator.

Related articles

• Zephyr Announces Support for Internet Explorer 9 (prweb.com)
• Vintage Terminal Emulator (adafruit.com)
• GNOME Terminal tricks and tips (ghacks.net)

use finch, less memory and cpu usage, in replacement for pidgin.

Well, if you are on linux then you have options – is a known fact. But how those options help?

I was working on a machine which had very less RAM and was quite old system and it was running F14. Guess what would be the state of the system with pidgin, xmms, firefox, evolution and couple of terminals. Now, this is where if you could save a few cycles of CPU then you can actullay see the difference in sluggish GUI and and an okay sort of GUI. So, first off, kill pidgin and use finch.