Book Review: LINUX Web Server Toolkit
Chapter 18 concerns the all-important issue of security. It begins with a summary of types of attacks, both generic and web-specific. A checklist of tests to try and files to check gives the novice a good starting point for reviewing site security. This is followed by a brief discussion on firewalls. The reader is then pointed to an on-line firewall FAQ and http://www.yahoo.com to search for more information.
The remaining chapters deal with issues of web maintenance, backup and Linux package upgrading. Chapter 19 includes a list of HTML validation tools and recommends HTML Analyzer for automated checking of your web site files. The book finishes with a description of the CD-ROM files in Appendix A.
The CD included with my copy of the book contained complete, but somewhat dated, software. For example, it installs kernel v2.0.29, Apache v1.1.1 and v1.0.2 of the Java Development Kit. However, this book is hardly unique in this respect—users will generally buy or download the latest releases elsewhere. The important issue is the CD provides all the software necessary to install and set up an Apache server on a Linux 2.0.x kernel. Some additional tools are included on the CD including (much to my surprise) Xemacs. I would like to see Xemacs included on more CD sets.
The book provides a reasonable overview of the issues and mechanics relating to implementing a web server. The target audience is beginner to intermediate-level users. If you are computer literate but a web novice, this book contains sufficient detail to enable you to set up a web server. The depth is such that more advanced people will also find the book useful, but it will not make someone an expert on Apache or Java. Throughout the book, URLs are provided so the reader can obtain more information, documentation or software related to the specific topics being discussed. This is especially useful given how quickly a printed book can become dated. If you're interested in what is involved in setting up a commercial web site, this book is a very good place to start.
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