Here are some portable Bourne shell idioms
that I find useful to remember for scripting.
The Bourne shell does much more than most
users realize, and the ksh and bash
extensions are rarely essential. (From the
command-line, bash and ksh are vastly more
useful.)

Continua”Shell idioms and tricks”

This utility is installed on most Red Hat systems and it can give you a quick view of what is going on on your system.

You can run it once to get a quick report of the performance status of your machine.

Continua”Cool Linux Utility procinfo”

-------------------------------------------------------------------------

USEFUL ONE-LINE SCRIPTS FOR SED (Unix stream editor)        Dec. 29, 2005

Compiled by Eric Pement - pemente[at]northpark[dot]edu        version 5.5
 Continua”Sed One Liners”
	

Sed - An Introduction

Last update Sun Sep 24 19:44:00 EDT 2006

Thanks to Keelan Evans for spotting some typos.

Thanks to Wim Stolker as well.

Table of Contents

Continua”Sed Tutorial”

High Performance MySQL
Chapter 6: Server Performance Tuning

The operating system your MySQL server runs on and the server’s configuration
can be just as important to your server’s performance as the indexes,
schema, or queries themselves. In this chapter, we will help you understand
how to tune your server to improve performance, as opposed to tuning
schema or queries. We’ll be looking at changes to your hardware, operating
system, and MySQL configuration to see what effects they have on overall
performance.

Continua”High Performance MySQL tuning”