Use Secure Shell (SSH) to run commands on remote UNIX systems and, with some
simple scripts, put together a system that enables you to manage many systems
simultaneously from one machine without having to log in directly to the
machines themselves. Also examine the basics of a distributed management
system and some scripts and solutions using the technique.
This free tool gives you a huge amount of information all on one screen. Even
though IBM doesn't officially support the tool and you must use it at your own
risk, you can get a wealth of performance statistics. Why use five or six
tools when one free tool can give you everything you need?
Do you ever feel you wish you could answer some of your own questions when
you work with AIX and your System p™ server? Do you ever feel you
could save time by not having to call on the support professionals all the
time? Well, wish no more. Shiv Dutta discusses some of the AIX commands that
answer those questions and tells you how to enlarge the list of such answers.
Adopt 10 good habits that improve your UNIX command line efficiency—and break
away from bad usage patterns in the process. This article takes you
step-by-step through several good, but too often neglected, techniques for
command-line operations. Learn about common errors and how to overcome them,
so you can learn exactly why these UNIX habits are worth picking up.
Look at how to create scripts that are able to record their output, trap and
identify errors, and recover from errors and problems so that they either run
correctly or fail with a suitable error message and report. Building scripts
and running them automatically is a task that every good administrator has to
handle, but how do you handle the error output and make intelligent decisions
about how the script should handle these errors? This article addresses these
issues.
If your UNIX system lacks a tool you need, chances are you can find an apt solution in the enormous inventory of software available online. This month, learn how to build software from source code.
Searching for an easy way to create high-quality graphs that you can print,
publish to the Web, or cut and paste into performance reports? Look no
further. The nmon_analyser tool takes files produced by the NMON performance
tool, turns them into Microsoft Excel spreadsheets, and automatically produces
these graphs.
Explore the vast terrain of the UNIX file system with the find command. One
of the most powerful and useful commands in the UNIX programmer's repertoire
is find. All flavors of UNIX have file systems that can contain thousands of
files of many different types. With so many choices, locating a specific file,
or set of files, can be difficult. The find command makes this task easier in
many ways.
Expect is an indispensable tool for efficient system and network management, and it's also widely misunderstood. In this article, find out the benefits Expect provides in common use cases.
Many directories in the UNIX file system serve a special purpose, and certain
directories are named per long-standing convention. In this installment of the
"Speaking UNIX" series, discover where UNIX stores important files.
IBM, AIX, and System p are registered trademarks of International Business Machines
Corporation in the United States, other countries, or both. UNIX is a registered trademark of The Open Group in the United States and
other countries. Other company, product, or service names may be
trademarks or service marks of others.
