The No B.S. Guide to Red Hat Linux 6
Author: Bob Rankin
Publisher: No Starch Press
Price: $34.95 US
Reviewer: Harvey Friedman
No B.S., really? was my first question when picking up this book. After reading it, I can say that the writing is concise and in places even terser than an uninformed reader might desire. Overall, I think it succeeded.
The book contains 15 chapters and some useful appendices. Chapter 1, “Installing LINUX on your PC”, starts off by assuming the user has a Microsoft OS on his computer, has a net connection and web browser, and wants to run more than one OS on the computer. The instructions are fine if one does not run into any problems, but if one does, the recommendation is to go to a web site or Usenet newsgroup to read and ask questions. How many MS users have the patience to do that? Other chapters are as follows:
“GNOME, the Linux GUI” describes the GNU Network Object Model Environment and Enlightenment.
“Connecting to the Internet” via a serial port and modem.
“Living in a Shell” is an overview of bash, piping and redirection.
“The Linux File System”
“Important Linux Commands” contains brief descriptions of commands and configuring a printer with X.
“Text Editors” covers vi, Emacs, pico, gnotepad+ and gEdit.
“Slicing and Dicing” describes filter commands such as sort, uniq, grep and find with examples of using them with pipes.
“Rolling Your Own: Linux Programming”
“Managing your E-mail” is mostly about Pine.
“Compression, Encoding and Encryption” introduces tar, gzip, compress, shar, et al.
“Linux does DOS and Windows” discusses mtools, mount, DOSEMU, WINE, VMware and Macintosh tools.
“Tweaking Linux” describes using the setup utility for configuration, X, rc.d directory, linuxconf and more.
“Updating your Linux System” explains RPM in great detail.
“Learning More About Linux” covers web sites to visit for more information.
Appendix A lists all software packages on the Red Hat 6.0 CD-ROM included with the book. One particularly good feature is an indication of how much disk space each will take. This could be quite useful for someone trying to put together a fun setup on a small hard drive. Appendix B contains “The GNU General Public License”. Appendix C, “DOS and UNIX Equivalencies”, lists a couple of dozen parallel commands with examples of usage.
I do have a few criticisms of this book. In Chapter 1, several examples of hard drive partitions and/or CD-ROM drives referred to by their /dev file names are given, but I don't believe the average Microsoft software user could configure a system with just the /dev information in this book. It was a serious omission not to list the conventions for IDE, SCSI, etc. Luckily, the CD-ROM installation procedure may help the uninitiated. Another problem was the statement “...but you can't really hurt anything if the installation isn't successful....” Without qualifying that your original system absolutely must be backed up for this to be true so that one can restore if necessary, I don't understand how using DOS' fdisk can't help hurting something. It would have been nice for the author to guide the user through fips and not just fdisk.
I also had a problem with the facetious sentence in Chapter 13:
If you think you did everything right and the mouse still doesn't work, sometimes whacking it on a hard surface while shouting, “You stupid mouse!”, works wonders.
In my experience, the “wonder” is the mouse ball mashes a sensor and one must then obtain a new mouse.
Although Rankin emphasizes using GNOME and describes how quite well in several chapters, he does not neglect the command-line interface. Particularly good were chapters 2, 4, 7, 8, 10 (the description of Pine), 11 and 14 (the detailed explanation of RPM).
For those whom I think of as typical Microsoft users, I recommend they follow the step-by-step installation procedures in Linux for Dummies, 2nd Edition, then move on to this book after they have a working Linux system. The installation process described there will work with the CD-ROM that comes with this book as well. For the Microsoft user who is willing to read first and needs little guidance to solve problems easily, I also recommend it. For someone who has already installed Red Hat 6.0 Linux and wants to learn more about its new capabilities, I wholeheartedly recommend this book.
Harvey Friedman can be reached via e-mail at firstname.lastname@example.org.
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