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Web Application Deployment module A601
Apache httpd - an overview
Exercises, examples and other material relating to training module A601. This topic is presented on public courses Deploying Apache and Tomcat
, Deploying LAMP - Linux, Apache, MySQL, Perl/PHP
, Linux Web Server
, Deploying Java Applications on Linux / Unix
Apache httpd is the most common web servers around. It's got a good range of facilities, it's flexibly configurable, efficient in operation, relatively secure, and free.
|Articles and tips on this subject||updated|
|4434||Public training courses - upcoming dates|
I've been presenting a long series of private courses over the past two months - Ruby and Cucumber, Python, Java and C++. From the beggining of March until mid April, I'm training most weeks at our Melksham, Wiltshire training centre - courses scheduled as follows:
If you've missed these dates or want ...
|4064||Apache httpd - a robust, open source web server|
Most major Open Source software has a bewildering assortment of levels and switches when compared to commercial software - and that's because there's no restriction on development / people can make suggestions and add in facilities without the bottom line question "And what's THAT going to cost / will ...
|2054||Tuning httpd / the supermarket checkout comparison|
Why do you have multiple copies of "httpd" running on your web server, even though you have only got one process in startup? It's because httpd spawns child processes which allow it to be handling several customers at the same time rather than have them stand in line and be processed sequentially. ...
|2077||Why put Apache httpd in front of Apache Tomcat|
Does it seem odd to you that Apache Tomcat is a web server ... and yet the majority of sites run with another web server - Apache httpd - in front of it. Why do they do it?
There's a whole host of reasons! They including better logging, load balancing, security, speed of serving static pages such as ...
|2186||An FAQ on the Apache httpd and Apache Tomcat web servers, and on using them together|
Both Apache httpd and Apache Tomcat are popular web servers - and most people who use Tomcat 'front' it with httpd. We run an Apache httpd course (under Linux / Unix) and also a combined httpd and Tomcat course so we're very familiar with those "Frequently Asked Questions" that everyone wants to have ...
|2063||Internal Dummy Connections on Apache httpd|
Is your Apache httpd log file 'full' of entries like this?
xx.xxx.xx.xx - - [02/Mar/2009:05:08:45 +0000] "OPTIONS * HTTP/1.0" 200 - "-" "Apache/2.2.9 (Unix) PHP/5.2.6 (internal dummy connection)"
What causes them?
Your web keeps a number of spare 'slots' open to process new incoming requests, opening ...
|2038||Sticky Sessions with mod_jk (httpd to Tomcat)|
If you're load balancing with mod_jk, you can put a load balancer worker in your jk properties file, and then have requests forwarded to all the workers that are members of that load balancer. That's a great way to share the load.
But if you're running applications that rely on a series of linked pages ...
|2016||Apache httpd and Apache Tomcat miscellany|
When you start a newly installed Apache httpd web server, you may get the following message:
httpd: Could not reliably determine the server's fully qualified domain name, using 127.0.0.1 for ServerName
It's only a warning! It means that the web server software can't work out what the computer is called; ...
|924||The LAMP Cookbook - Linux, Apache, MySQL, PHP / Perl|
It all started on Friday as we came back from the pub. I was describing how we've been, twice, on Neil Bauman's Geek Cruises but never been asked to talk or lecture, even in a "lightning session" on them. A little wistfully, maybe, as I'm a "wannabe" - I would love to get up and deliver a talk just ...
|1897||Keeping on an even keel|
Some (but not all) Open Source products have a numbering system where the second number is even for a production release and odd for a development release - so if you're looking to install one of these products on a live machine for customer use, you should make sure you stick with the even release even ...
|576||Why run two different web servers|
You wouldn't choose to use a Ford Ka as your car for that holiday of a lifetime travelling across Europe, neither would you choose a Jaguar as your idea car for the school run. Yet both of them are perfectly good models of car. Indeed as a family, you might have one of each.
Apache httpd and Apache ...
|1593||Keep the client experience easy - single server contact point|
Your company will have one or two web servers ... and you'll be visited by one or two million different clients. So it makes logical sense for all the complicated stuff to go on your one or two machines, and leave your clients with just a simple browser.
Have you even got on the phone ... to a utility, ...
|1265||Apache, Tomcat, Jakarta, httpd, web server - what are they?|
If someone says "Apache" to me, that's a warning - a warning to listen very carefully to what they're saying and evaluate what they mean; the term has changed - been used (and abused) over the years and it would be so easy to talk to someone, or train someone, on the wrong product.
The original Apache ...
|659||Web Application Components|
When putting a web resource together, we want to keep what each individual user needs on his computer simple - REAL simple - which means that all the work and the complexity needs to be at the server side.
I'm running a deployment course that started yesterday and it's only when I started to think "what ...
Some modules are available for download
as a sample of our material or under an Open Training Notes License
for free download from [here]
Topics covered in this module
What is "Apache" and what does it do?
Other web servers.
Versions of Apache.
If you are looking for a complete course and not just a information on a single subject, visit our Listing and schedule
Well House Consultants specialise in training courses in
Linux and LAMP
. We run
throughout the UK (and beyond for longer courses), and
at our training centre in Melksham, Wiltshire, England.
It's surprisingly cost effective to come on our public courses -
even if you live in a different
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We have a technical library of over 700 books on the subjects on which we teach.
These books are available for reference at our training centre.