Linux Programmer's Reference
Author: Richard Petersen
Price: $16.99 US, $24.95 CAN
Reviewer: Andrew G. Feinberg
Last summer, I picked up Linux Programmer's Reference looking for a good volume on kernel internals or on writing modules. Instead, I found a major shell scripting tutorial and introductory lessons in C, Tcl/Tk, TeX/LaTeX, the use of make, RPM and writing man pages. The table of contents lists the following chapters:
BASH Shell Programming
TCSH Shell Programming
Z Shell Programming
Compilers and Libraries: G++, GCC, and GDB
Perl: Quick Reference
Tcl and Tk
TeX and LaTeX
This book touches on almost every aspect of writing an application for Linux. The shell scripting sections are the best I have seen. I was attracted to the Z Shell section in particular, since I have never seen much documentation for that shell, which is my personal favorite. I am already a fan of Perl, so Chapter 3 didn't add much for me; however, Chapter 5 blew me away. Covered here is material I have found before only in separate books.
Linux Programmer's Reference is a small book that seldom goes into much detail. However, I can say that this little text is a perfect companion for anyone—from the “hacks-binary-code-for-fun” type to the “I-want-to-give-this-cool-program-I-wrote-to-my-friends” type. As someone decidedly in between these two, I would definitely say this book has something for everyone.
Practical Task Scheduling Deployment
July 20, 2016 12:00 pm CDT
One of the best things about the UNIX environment (aside from being stable and efficient) is the vast array of software tools available to help you do your job. Traditionally, a UNIX tool does only one thing, but does that one thing very well. For example, grep is very easy to use and can search vast amounts of data quickly. The find tool can find a particular file or files based on all kinds of criteria. It's pretty easy to string these tools together to build even more powerful tools, such as a tool that finds all of the .log files in the /home directory and searches each one for a particular entry. This erector-set mentality allows UNIX system administrators to seem to always have the right tool for the job.
Cron traditionally has been considered another such a tool for job scheduling, but is it enough? This webinar considers that very question. The first part builds on a previous Geek Guide, Beyond Cron, and briefly describes how to know when it might be time to consider upgrading your job scheduling infrastructure. The second part presents an actual planning and implementation framework.
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With all the industry talk about the benefits of Linux on Power and all the performance advantages offered by its open architecture, you may be considering a move in that direction. If you are thinking about analytics, big data and cloud computing, you would be right to evaluate Power. The idea of using commodity x86 hardware and replacing it every three years is an outdated cost model. It doesn’t consider the total cost of ownership, and it doesn’t consider the advantage of real processing power, high-availability and multithreading like a demon.
This ebook takes a look at some of the practical applications of the Linux on Power platform and ways you might bring all the performance power of this open architecture to bear for your organization. There are no smoke and mirrors here—just hard, cold, empirical evidence provided by independent sources. I also consider some innovative ways Linux on Power will be used in the future.Get the Guide