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Linux

Configuring Apache for Maximum Performance

Post date: April 1, 2006, 03:04 Category: Optimizing Views: 4333 Comments
Tutorial quote: Apache server performance can be improved by adding additional hardware resources such as RAM, faster CPU etc. But, most of the time, the same result can be achieved by custom configuration of the server. This article looks into getting maximum performance out of Apache with the existing hardware resources, specifically on the Linux systems.
Unix+clones

Configuring Apache for Maximum Performance

Post date: February 12, 2006, 09:02 Category: Optimizing Views: 3842 Comments
Tutorial quote: Apache is an open-source HTTP server implementation. It is the most popular web server on the Internet; the December 2005 Web Server Survey conducted by Netcraft [1] shows that about 70% of the web sites on Internet are using Apache.

Apache server performance can be improved by adding additional hardware resources such as RAM, faster CPU, etc. But most of the time, the same result can be achieved by custom configuration of the server. This article looks into getting maximum performance out of Apache with the existing hardware resources, specifically on Linux systems. Of course, it is assumed that there is enough hardware resources - especially enough RAM that the server isn't swapping frequently. First two sections look into various Compile-Time and Run-Time configuration options. The Run-Time section assumes that Apache is compiled with prefork MPM. HTTP compression and caching is discussed next. Finally, using separate servers for serving static and dynamic contents is covered. Basic knowledge of compiling and configuring Apache and Linux are assumed.
Linux

Measuring the Performance of HTTP Web Servers using ApacheBench (ab)

Post date: January 24, 2010, 06:01 Category: Benchmarks Views: 4714 Comments
Tutorial quote: ApacheBench is a command line utility for measuring the performance of HTTP web servers, in particular the Apache HTTP Server. It was designed to give an idea of the performance that a given Apache installation can provide. In particular, it shows how many requests per second the server is capable of serving.
Solaris

Configuring Apache

Post date: April 13, 2005, 05:04 Category: Network Views: 4123 Comments
Tutorial quote: Apache can respond to browser requests from machines on your local network (i.e. an "Intranet" Web server) or from the Internet. The installation of the Solaris OS installed and set up most of the necessary Apache files. As a result, if you want to use your system as a Web server you only need to modify one file.
Unix+clones

Considerations for the system architect: Performance

Post date: April 20, 2005, 10:04 Category: Miscellaneous Views: 2889 Comments
Tutorial quote: For many developers and engineers, performance is often an afterthought. But when a product functions as designed and has proven stability and the right feature mix, success in the marketplace often depends upon performance. Architectural decisions define the ultimate feasible performance of any product. In this article, learn how performance-monitoring technology initially developed for mainframes can help you improve your own code's performance.
Ubuntu

Setting up Xen 3.0 from binaries in Ubuntu 6.06 LTS (Dapper Drake)

Post date: June 16, 2006, 07:06 Category: Software Views: 3292 Comments
Tutorial quote: This particular way of installing and configuring Xen is just the path of least resistance for me. There are many other possible ways of configuring the system.
Openfiler

Installing and Configuring Openfiler with DRBD and Heartbeat

Post date: October 26, 2008, 13:10 Category: Installing Views: 11443 Comments
Tutorial quote: Openfiler is a high performance operating system tailored for use as a SAN/NAS appliance. This configuration will enable two Openfiler appliances to work in an active/passive high availability scenario.
Unix+clones

Apache Maintenance Basics

Post date: April 13, 2005, 01:04 Category: Software Views: 2837 Comments
Tutorial quote: You've downloaded and configured your Apache server and are ready to move on to the next project. Can it really be left to fend for itself in a darkened room?

Yes. To some degree, anyway. With the exception of configuration testing, once Apache is up, you likely need never think about how the Web server is running.

On the other hand, completely ignoring your Apache installation would be foolhardy. Doing some regular checks and maintenance on your Apache installation helps identify any issues — usually before they even become issues — and helps you stay up date with the latest security and performance patches. This article covers some of the major steps and maintenance tasks that should be regularly undertaken while the Apache system is running.
OpenSUSE

Block ssh brute force attack on OpenSuSe

Post date: June 27, 2009, 09:06 Category: Security Views: 3725 Comments
Tutorial quote: A brute force attack consists of trying every possible code, combination, or password until you find the right one.

As an example, imagine a system which only allows 4 digit PIN codes. This means that there are a maximum of 10,000 possible PIN combinations.
Linux

MySQLTuner - Performance Tunning MySQL on Linux

Post date: January 24, 2010, 06:01 Category: Optimizing Views: 4339 Comments
Tutorial quote: MySQLTuner is a script written in Perl that allows you to review a MySQL installation quickly and make adjustments to increase performance and stability. The current configuration variables and status data is retrieved and presented in a brief format along with some basic performance suggestions.
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