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UNIX tips: Productivity tips
Using UNIX(R) in a day-to-day office setting doesn't have to be clumsy. Learn some of the many ways, both simple and complex, to use the power of the UNIX shell and available system tools to greatly increase your productivity in the office.
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21 Sep 2006 |
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UNIX tips and tricks for a new user, Part 4: Some nifty shell tricks
When writing a shell program, you often come across some special situation that you'd like to handle automatically. This tutorial includes examples of such situations from small Bourne shell scripts. These situations include base conversion from one string to another (decimal to hex, hex to decimal, decimal to octal, and so on), reading the keyboard while in a piped loop, subshell execution, inline input, executing a command once for each file in a directory, and multiple ways to construct a continuous loop. Part 4 of this series wraps up with a collection of shell one-liners that perform useful functions.
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Tutorials |
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20 Feb 2007 |
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UNIX tips: Learn 10 good UNIX usage habits
Adopt 10 good habits that improve your UNIX(R) command line productivity -- 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.
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Articles |
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12 Dec 2006 |
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UNIX tips and tricks for a new user, Part 3: Introducing filters and regular expressions
Discover the power of UNIX(R) filters. In this tutorial, you'll learn about the grep family in depth, including the syntax of regular expressions in many UNIX utilities. You'll also find out more about the stream editor, sed, as well as examine the awk pattern scanning language through examples and explanations.
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Tutorials |
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05 Dec 2006 |
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UNIX tips and tricks for a new user, Part 2: The vi text editor
The vi text editor might seem counterintuitive to new users but, make no mistake, there is a good reason this 30-year old tool is still widely used by many of the best developers in the world. The vi text editor separates operations into insert mode and command mode, which gives you ultrafast access to key commands that can edit, insert, and move text in on-the-fly, user-defined segments.
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Tutorials |
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07 Nov 2006 |
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UNIX tips: Become a better blogger with UNIX
Did you know that blogging and UNIX(R) go hand in hand? The native Web and text-processing tools of UNIX enable you to create your blogs quickly and easily. Discover some handy tips for improving your UNIX blogging skills.
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10 Oct 2006 |
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UNIX tips and tricks for a new user, Part 1: File maintenance tools
Systems administrators can use a number of programs to maintain files in a UNIX(R) system from the command line. In this tutorial, you'll
experiment with commands, such as cd, cp, and tar, to navigate a UNIX file system from the command line and work with files and directories. The cd command changes directories, cp duplicates files or directories, and tar quickly groups files into an archive. You'll also learn how to deal with file permissions and perform simple input/output.
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Tutorials |
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26 Sep 2006 |
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UNIX tips: Learn 10 more good UNIX usage habits
As a follow-up to Michael Stutz's excellent article, this article provides 10 more
good habits to adopt that will improve your UNIX command-line efficiency. Learn
about common errors and how to overcome them, and discover exactly why these
10 UNIX habits are worth picking up.
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Articles |
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27 May 2008 |
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AIX tips for RHEL4 administrators
Are you broadening your skills as a Linux systems administrator into various flavors of
UNIX? Have you found yourself in charge of IBM UNIX servers on short notice? Get a rundown
of the differences and similarities between Red Hat Enterprise Linux and IBM AIX so that
you can perform day-to-day activities with ease.
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Articles |
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17 Nov 2009 |
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Tips on designing a preprocessor for C++ using Antlr
Learn how to use Antlr to create a C++ preprocessor. Using this approach to
create the C++ compiler, you don't need a separate preprocessor engine. Instead, the preprocessor engine can be integrated as part of the lexer.
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Articles |
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20 May 2008 |
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Dynamic LPAR tips and checklists for RMC authentication and authorization
This article provides dynamic LPAR tips for Resource Monitoring and Control (RMC) authentication and authorization. The author includes a checklist for DLPAR setup, and information about setting up the HMC/partitions hostname and network. The appendixes provide information gathered from the field about RMC/DLPAR.
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Articles |
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10 Feb 2005 |
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Performance and tuning tips for AIX 5.1-03 (64-bit kernel) on a 16-way p670
This article describes how to analyze and tune AIX system performance. The author uses a benchmark case where I/O was the main focus. The exercise followed the classic AIX performance analysis methodology by eliminating all system bottlenecks, and achieved the goal of saturating a 16-way p670. The results of the exercise improved the application throughput by about 40%.
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Articles |
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20 Nov 2003 |
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IBM AIX 4.3 installation tips
This document contains several tips for successful installation of AIX V4.3.
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Articles |
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01 Jun 2001 |
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10 tips for sensible systems administration
Benjamin Franklin: scientist, scholar, statesman, and . . . systems administrator?
Yes, 200 years or so before the birth of UNIX, Franklin scribed sage advice to keep
systems humming. Here are 10 of Franklin's more notable tips.
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Articles |
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10 Mar 2009 |
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Maximizing Java performance on AIX: Part 2: The need for speed
This 5-part series provides several tips and techniques that are commonly used for tuning Java(TM) applications for optimum performance on AIX(R). A discussion of the applicability of each tip is also provided. Using these tips, you should be able to quickly optimize the Java environment to suit your application's needs.
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Articles |
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03 Nov 2007 |
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Remote kernel debugging in FreeBSD using serial communication
Explore how to remotely debug a FreeBSD kernel that is running on a target machine without affecting system performance. In this article, examine setting up the debug environment using serial communication port, compiling modified kernel code, debugging, and troubleshooting tips.
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Articles |
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06 Mar 2007 |
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Maximizing Java Performance on AIX: Part 5: References and Conclusion
This is the conclusion of the 5-part series providing tips and techniques that are commonly used for tuning Java(TM) applications for optimum performance on AIX(R). We touch upon other interesting areas of Java performance tuning for AIX, look at a few case studies, and then end the series with a list of useful references.
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Articles |
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17 May 2004 |
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Maximizing Java Performance on AIX: Part 4: What goes in
This 5-part series provides several tips and techniques that are commonly used for tuning Java(TM) applications for optimum performance on AIX(R). This article deals with situations where I/O or networks may become bottlenecks.
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03 May 2004 |
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Maximizing Java performance on AIX: Part 3: More is better
This 5-part series provides several tips and techniques that are commonly used for tuning Java(TM) applications for optimum performance on AIX(R). A discussion of the applicability of each tip is also provided. Using these tips, you should be able to quickly optimize the Java environment to suit your application's needs.
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Articles |
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10 Apr 2004 |
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Maximizing Java performance on AIX: Part 1: The basics
This 5-part series provides several tips and techniques that are commonly used for tuning Java(TM) applications for optimum performance on AIX(R). A discussion of the applicability of each tip is also provided. Using these tips, you should be able to quickly optimize the Java environment to suit your application's needs.
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Articles |
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29 Mar 2004 |
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Install and configure a development Web server in UNIX
Get a detailed, step-by-step approach to installing and configuring a development or
test Apache Tomcat server. Along the way, pick up helpful tips on how to build and
administer your Web or application server in a UNIX environment.
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Tutorials |
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15 Jul 2008 |
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AIX linking 102
Are you writing or porting applications to AIX(R)? Get a quick introduction to the most commonly used features of the linker and loader, plus practical tips and techniques. This short tutorial from AIX expert Gary Hook focuses primarily on the library search path.
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Tutorials |
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12 Sep 2002 |
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AIX linking 101
Are you writing or porting applications to AIX(R)? Get a quick introduction to the most commonly used features of the linker and loader, plus practical tips and techniques. This short tutorial from AIX expert Gary Hook focuses primarily on the library search path.
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Tutorials |
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12 Sep 2002 |
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10 steps to UNIX nirvana
Discover several time-saving tips and freely available tools that both new
and experienced C++ developers can use.
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Articles |
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03 Mar 2009 |
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Expand the capabilities of your Tomcat Web server
This tutorial is a must-have guide for any Web or application server
administrator. Although the implementations are slightly different from Apache Tomcat and
other Web servers, this tutorial breaks down in a logical and concise way many
advanced administrative tasks necessary for successfully hosting, deploying, and managing multiple
Java 2 Platform, Enterprise Edition (J2EE) Web applications. Learn how to set up,
configure, and secure your Tomcat server, and discover tips and tools for advanced
deployment considerations.
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Tutorials |
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16 Sep 2008 |
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Port Fortran applications
Discover how to port Fortran-based High Performance Computing applications, such as computational fluid dynamic (CFD) modeling, weather modeling, and linear algebra packages, using IBM XL compilers and gnu compilers on large clusters. The solutions in this article are equally applicable in all types of porting work in Fortran or any UNIX(R)- or Linux-based systems. Though C/C++ and other programming languages are popular, with strong features and widespread use, Fortran is still the favorite for the scientific and engineering community because of its performance.
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Articles |
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01 Apr 2009 |
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Top ten AIX and UNIX articles and tutorials—May 2007
See what AIX(R) and UNIX(R) content your peers found most valuable.
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20 Jun 2007 |
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Top ten AIX and UNIX articles and tutorials—April 2007
See what AIX(R) and UNIX(R) content your peers found most valuable.
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20 Jun 2007 |
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Top ten AIX and UNIX articles and tutorials -- March 2007
See what AIX(R) and UNIX(R) content your peers found most valuable.
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26 Apr 2007 |
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Top ten AIX and UNIX articles and tutorials -- January 2007
See what AIX(R) and UNIX(R) content your peers find interesting.
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14 Mar 2007 |
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Top ten AIX and UNIX articles and tutorials—June 2007
See what AIX(R) and UNIX(R) content your peers found most valuable.
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10 Jul 2007 |
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Using cron to automate maintenance
To leverage round-the-clock computing, tasks must run at all hours of the day. You could
punctuate your sleep with waking interludes to log in and run this command or that
command on
dozens of machines, or you can enjoy your forty winks and turn the work over to the
ubiquitous cron, a daemon, or perennial process, to execute commands on a schedule. From
very often to every so often, cron happily minds the clock and runs jobs day or night. Learn
how to configure and maintain cron, and discover just some of its many uses.
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Tutorials |
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07 Oct 2008 |
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Top ten AIX and UNIX articles and tutorials—August 2007
See what AIX(R) and UNIX(R) content your peers found most valuable.
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11 Sep 2007 |
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Top ten AIX and UNIX articles and tutorials—July 2007
See what AIX(R) and UNIX(R) content your peers found most valuable.
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15 Jul 2007 |
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