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Free ebooks
 Operating System Unix Squid: The Definitive Guide Part I
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 Chapter 1, Introduction - This chapter introduces you to Squid and web caching. I give a brief history of the project, and a few notes on our future work. I explain how you can find additional support and information, including a FAQ, on the Squid web site.Chapter 2, Getting Squid - In this chapter, I explain how and why you should download Squid's source code. You may prefer to install a precompiled binary or use a preconfigured package. I also talk about staying up to date with Squid using the anonymous CVS server. Chapter 3, Compiling and Installing - Assuming you've downloaded the source code, this chapter explains how to configure and compile Squid. In some cases you may need to tune your system before compiling Squid. For example, your kernel may have relatively low file-descriptor limits that affect Squid's performance. Chapter 4, Configuration Guide for the Eager - Here, I give a brief introduction to Squid's configuration file. If you are the impatient type and can't wait to start using Squid, this chapter will leave you with a minimal configuration file you can start playing with. Chapter 5, Running Squid - In this chapter, I explain how to run Squid for the first time and how to test Squid in a terminal window. Following that, I suggest a number of ways to configure your system so that Squid starts each time it boots. I also explain how to reconfigure Squid while it is running and how to safely shut it down. Chapter 6, All About Access Controls - I talk extensively about access controls in this chapter. Squid has a powerful collection of access control features and a number of different rule sets that determine how requests and responses are treated. This is an important chapter because a mistake in your access controls may leave your cache, or even internal systems, vulnerable to abuse from outsiders. Chapter 7, Disk Cache Basics - This chapter is about Squid's primary function: storing cached responses on disk. I explain how to configure the disk cache, including replacement policies and freshness controls. I also show you how to manually remove unwanted objects from the cache. Chapter 8, Advanced Disk Cache Topics - In this chapter, I explain how to improve the performance of Squid's disk cache. I'll talk about Squid's different storage schemes and a number of filesystem tuning options that may help. If your Squid cache handles a relatively light load, you probably don't need to worry about disk performance. Download Free Linux ebook: Squid The Definitive Guide Part I
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