Installing and Configuring Squid in Server Administration | | | | Rating:  / 1
2009-07-01 | | | | | Recently we published a brief overview of Squid. And right now we’re following up with a sequel to that introductory article. In the previous part we barely touched the tip of the iceberg, even though Squid’s major functions were clearly explained. Now we are going to actually get it up and running! |
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Clickfree PC Backup Systems Compared in Server Administration | | | | Rating: / 1
2009-06-24 | | | | | When was the last time you backed up your PC? If you're having trouble remembering, you could be in for a traumatic experience if and when your system fails. If you understand the need to do backups, but hate the hassle, keep reading. This article will introduce you to some backup solutions that take care of themselves, leaving you free to handle less tedious, more important tasks. |
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Squid, the Caching Proxy in Server Administration | | | | Rating: / 4
2009-06-17 | | | | | Lately, being connected to the Internet with sky-high values of bandwidth has pretty much become the norm. Surely, the time of dial-up with 56k modems have passed; our website requests load almost instantaneously, but there is always room for improvement. Squid is a cross-platform, open source, feature-laden caching proxy. We will cover it briefly in this article. |
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Regular Expressions in the Unix Shell in Server Administration | | | | Rating: / 2
2009-06-10 | | | | | Searching. Now there is a task I am sure you do on a daily basis. In Shell programming, searching is very important; fortunately, you have a reliable set of tools to help you out. These are the regular expressions. And this article is the thirteenth in a series focusing on various aspects of UNIX. |
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Shell Script Writing in Miscellaneous | | | | Rating: / 3
2009-06-03 | | | | | Shell scripts are designed to automate tasks that you would otherwise need to do manually, one step after another. This allows you to build up a sequence and a structure of commands that will take these steps instead of you. For this, you can use the tools present in the repertoire of the UNIX shell and its control mechanism. Exactly how this will come together to make a complete system is the subject of today's article. |
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Loops in the UNIX Shell in Miscellaneous | | | | Rating: / 2
2009-05-27 | | | | | History is repeating itself. How many times have you heard this? Unless you live isolated inside of a cave on a mountain top, with no information source around, you've probably heard this countless times. But never mind history; you've probably found that it would be convenient to make your computer repeat the same tasks over and over. Within a programming language, we refer to this structure as a loop. |
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The Test in the UNIX Shell in Miscellaneous | | | | Rating: / 2
2009-05-20 | | | | | Tests occur on a daily basis in our life, from seeing if you can get up early enough to get to your job to seeing how good you are at passing tests. When you start to do shell programming, tests will be just as important. You want to test files, expressions, variables, strings and more for certain traits. To make this easier, a command was introduced, which we will learn how to use today. |
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Data Streams and the UNIX Shell in Miscellaneous | | | | Rating: / 3
2009-05-13 | | | | | You can consider most of the things happening around you to be a stream of data. Your girlfriend loves you; two cars crash in a corner; your mother calls you to wish you a happy birthday; etc. Everything is just a stream of data that your brain takes and processes. The quality of your life very much depends on how your brain interprets this stream, however this on its own depends on what streams arrive there. In UNIX, things are very much the same. The tools just interpret and filter the data. Nevertheless, how these streams get from one place to another can very much influence the result. |
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Control Mechanisms of the UNIX Shell in Miscellaneous | | | | Rating:  / 5
2009-05-06 | | | | | The power of an operating system is equal to the powers of the tools/programs it can provide. What you can do inside the operating system depends on the nature of the tools it offers you. However, you can have the most advanced and capable tools, yet suffer if you fail to put them to work in a correct and efficient way. This is where the control mechanism you have at your disposal enters the picture. Now then, what control mechanism will help us to exploit UNIX tools to their full capacities? |
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Book Review: Learning Nagios 3.0 in Miscellaneous Reviews | | | | Rating: / 3
2009-04-29 | | | | | Network monitoring is one of those tedious tasks where superficiality cannot be afforded. System administrators are constantly searching for new methods and solutions that can aid them during their everyday work. Today we are going to review a book that discusses how to work with Nagios, the open source industry standard and enterprise class network and server monitoring application. Discuss (1) |
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Book Review: CISSP in 21 Days in Miscellaneous Reviews | | | | Rating: / 3
2009-04-22 | | | | | Out of hundreds of different certifications available on certain specific niche topics, CISSP is one of the most prestigious and internationally recognized certifications. It has very tough requirements, and the certification process is exhaustive. Today we’re going to review a book that targets CISSP aspirants that have their exam around the corner. This book is a quick-revision guide, providing a strict 21-day plan to review your aptitude. |
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Variables Within the UNIX Shell in Miscellaneous | | | | Rating: / 3
2009-04-15 | | | | | Variables. Sure, you can find a couple of them in your life every day. The fact that your girlfriend shows up at the correct time for the date you arranged last week or if the sun will shine like never before are variables that you know will occur only once you live that moment. However, today we will talk about variables that hold some specific data, and in particular, these variables exist inside the UNIX Shell. |
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The Shell and UNIX in Miscellaneous | | | | Rating: / 2
2009-04-08 | | | | | It is dangerous to expose our most important possessions directly to every little effect coming from the world. Somebody may take advantage and just do damage to them. It is wise to put something in front of them. In the case of an operating system, the most important part is the kernel. Furthermore, we can take advantage of putting something in front of it, simplify working with the kernel, and make a couple of checks to ensure that nothing abusive happens. What we add before the kernel is the Shell. |
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