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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 should I include in this course" that I realised just how many technologies were involved. So I started off with a board diagram and started putting the components up, each represented by a book from our library. Starting off from the ground level, you need an operating system (Fedora Linux has been chosen), with admin and networking skills, and a web server with HTML and the other components such as style sheets, Javascript and a little about images.

General Deployment resources are indexed by subject here on this web site



Many server side applications run under CGI - better know something about that and someone needs to write the applications and maintain them - perhaps in Perl, PHP or Python. If your applications are going to be major ones, Tomcat may be a better vehicle to serve with (ah, but you'll probably still need httpd too), and you'll want some XML skills in order to understand the Tomcat configuration files - and the other XML data you'll be handling too, together with Schema to help validate your XML and XSLT in order to format it for the display

Perl and CGI resources are indexed by subject here on this web site.

PHP resources are indexed by subject here on this web site.

Python resources are indexed by subject here on this web site.



If your application is to be Tomcat based, then you'll be using Java. Described as a simple language, complexity is added by the huge array of classes available and the various web interfaces such as Servlets and JSP that in essence are an alternative to the CGI approach. You'' need to manage your Java code - perhaps with ANT, and your data in a database - contacted via JDBC drivers, talking SQL, and running a daemon such as MySQL

Java resources are indexed by subject here on this web site.

MySQL resources are indexed by subject here on this web site.



CAN there be yet more? Yes, there can! there will be a number of other side technologies that may turn up - this week, for example, the Tcl language is used as a configuration tool for a piece of third part software and common login databases are supported via LDAP. The server needs to be running a mialing daemon, and there are mailing lists to look after too, and the little issue of security!

The there's a whole aspect we haven't even considered - the design of the whole thing. As Java is OO based, you have better understand those concepts and the more formal methods such as UML to document and share your design round a larger team. You'll be content managing so as well as databases you'll be looking at blogs, forums and wikis. And also the whole look and feel of the site - what to do and how NOT to do it too. Human engineering!

On the more commercial side, you'll want Google, MSN and the other search engines to register your page and send traffic to the right place, and perhaps you'll use adwords or other advertising to help this. "Search Engine Optimisation" is often the name given to this huge topic. Be aware, too, in the UK of the DDA (Disability discrimination act), Copyright laws, unsuitable content, data protection registration, and so on. And make sure that your pages are in good, clean English (or other source language).

Tcl resources are indexed by subject here on this web site.

And have a look too at the non-technical index and another look at the deployment index too.

And why "The Gardening Year" at the end of my stack of books? That represents the subject of the web site - knowledge and enthusiasm there will take you a long way!

(written 2006-03-28, updated 2006-06-05)

 
Associated topics are indexed as below, or enter http://melksh.am/nnnn for individual articles
A099 - Java Application - Deployment on the Web
  [3891] The components of an Apache httpd / Tomcat / MySQL stack and what each does - (2012-10-13)
  [2599] Telling Apache web servers apart / notes for the non-technical - (2010-01-26)
  [2130] Javascript - move cursor over image to change a different image. - (2009-04-16)
  [1621] Linux and Java Course in London - (2008-04-24)
  [673] Helicopter views and tartans - (2006-04-06)
  [576] Why run two different web servers - (2006-01-25)
  [166] Acronyms - (2005-01-02)

A101 - Web Application Deployment - Linux -An Introduction For Users
  [3819] Packing a tar, jar or war file - best practise - (2012-07-26)
  [3791] The Kernel, Shells and Daemons. Greek Gods in computing - (2012-07-01)
  [3256] Displaying a directory or file system tree - Linux - (2011-04-22)
  [3179] Oops - I typed ci not vi, and have lost my file ... - (2011-02-21)
  [2831] Recording (a macro) in vi - (2010-06-27)
  [2636] Linux - useful tips including history and file name completion - (2010-02-15)
  [2494] Making Linux Politically correct - (2009-11-06)
  [2479] Accidentally typed ci rather than vi? - (2009-10-27)
  [2300] What does x on a linux directory mean? - (2009-07-21)
  [2299] How much space does my directory take - Linux - (2009-07-20)
  [2203] Always use su with minus. And where do programs come from? - (2009-05-27)
  [2201] Running straight from the jar, but not from a tar - (2009-05-26)
  [1904] Ruby, Perl, Linux, MySQL - some training notes - (2008-11-23)
  [1902] sstrwxrwxrwx - Unix and Linux file permissions - (2008-11-23)
  [1897] Keeping on an even keel - (2008-11-21)
  [1893] Some Linux and Unix tips - (2008-11-18)
  [1803] FTP passive mode - a sometimes cure for upload hangs - (2008-09-20)
  [1764] Yank and Push - copy and move in vi - (2008-08-21)
  [1651] ls command - favourite options - (2008-05-23)
  [1527] Selecting file names in a shell - one word or another - (2008-02-02)
  [1438] Copy and paste / cut and paste and other vi techniques - (2007-11-20)
  [1408] Wireless hotel tips - FTP and Skype connections failing - (2007-10-26)
  [1366] awk - a powerful data extraction and manipulation tool - (2007-09-25)
  [1288] Linux run states, shell special commands, and directory structures - (2007-08-03)
  [1287] Work and play at Well House Manor - Football and Shell Shortcuts - (2007-08-02)
  [1259] Where am I and how did I get here? - (2007-07-05)
  [1068] ls -l report, Linux / Unix - types and permssions - (2007-02-06)
  [1013] Copy multiple files - confusing error message from cp - (2006-12-30)
  [1012] Moving files between Windows / DOS and Linux / Unix - (2006-12-30)
  [984] Cardinal numbers and magic numbers - (2006-12-14)
  [749] Cottage industry or production line data handling methods - (2006-06-07)
  [711] THE home directory or MY home directory - (2006-05-06)
  [710] Linux training Glasgow, Python programming course Dundee - (2006-05-05)
  [703] Copying files and preserving ownership - (2006-04-28)
  [679] More or less on the edge of the page - (2006-04-11)
  [593] Finding where the disc space has gone - (2006-02-06)
  [431] File permissions of Linux and Unix systems - (2005-08-31)
  [430] Linux commands - some basics - (2005-08-31)
  [249] An easy way out - (2005-03-17)
  [152] Aladdin, or careful what you wish. - (2004-12-15)
  [74] pushd and popd - (2004-10-05)
  [73] vi - full circle - (2004-10-04)

A211 - Web Application Design and Deployment
  [3532] Sharing the user experience - designing a form with the customer in mind - (2011-11-29)
  [2072] Copyright, Portability and other nontechnical web site issues - (2009-03-09)
  [1798] What does an browser understand? What does an HTML document contain? - (2008-09-15)
  [1547] New bathing idea for hotels from Hotelympia - (2008-02-20)
  [1545] Letting new visitors know we provide training courses - (2008-02-19)
  [1351] Compressing web pages sent out from server. Is it worth it? - (2007-09-14)
  [1256] What country are you in? How we find out on our web site - (2007-07-03)
  [1198] From Web to Web 2 - (2007-05-21)
  [767] Finding the language preference of a web site visitor - (2006-06-18)
  [443] Server side scripting of styles to suit the browser - (2005-09-12)
  [356] Sudoku helper or sudoku cheat - (2005-06-23)
  [23] Skills and responsibilities - (2004-08-22)

A501 - Web Application Deployment - Java - Basic Language Overview
  [2423] What is a JVM, a JRE, a JDK - components of the core Java Environment - (2009-09-26)
  [2120] Java on the Web Server - course for delegates with some prior Java experience - (2009-04-06)
  [871] Java oversold? - (2006-09-19)

A601 - Web Application Deployment - Apache httpd - an overview
  [4434] Public training courses - upcoming dates - (2015-02-21)
  [4064] Apache httpd - a robust, open source web server - (2013-04-16)
  [2186] An FAQ on the Apache httpd and Apache Tomcat web servers, and on using them together - (2009-05-17)
  [2077] Why put Apache httpd in front of Apache Tomcat - (2009-03-12)
  [2063] Internal Dummy Connections on Apache httpd - (2009-03-02)
  [2054] Tuning httpd / the supermarket checkout comparison - (2009-02-26)
  [2038] Sticky Sessions with mod_jk (httpd to Tomcat) - (2009-02-12)
  [2016] Apache httpd and Apache Tomcat miscellany - (2009-01-30)
  [1593] Keep the client experience easy - single server contact point - (2008-03-27)
  [1265] Apache, Tomcat, Jakarta, httpd, web server - what are they? - (2007-07-13)
  [924] The LAMP Cookbook - Linux, Apache, MySQL, PHP / Perl - (2006-11-13)

A651 - Web Application Deployment - Tomcat Overview
  [3997] Servlet v JSP (Java Server Page). What is the difference? - (2013-02-06)
  [2753] You do not just fly - that is just part of the journey - (2010-05-06)
  [1941] Server - Service - Engine - Host, Tomcat - (2008-12-14)
  [1771] More HowTo diagrams - MySQL, Tomcat and Java - (2008-08-24)
  [498] Why is Tomcat called Tomcat? - (2005-11-17)
  [49] Business is the predominant user of Tomcat, Perl and Tcl - (2004-09-15)


Back to
Keeping the visitors happy and browsing
Previous and next
or
Horse's mouth home
Forward to
Stopping and restarting Apache httpd cleanly
Some other Articles
Python to MySQL
An unhelpful error message from Apache httpd
Dressed up for a phone call
Stopping and restarting Apache httpd cleanly
Web Application Components
Keeping the visitors happy and browsing
The ternary operator in Python
Think about your design even if you don't use full UML
Can some food be TOO different?
Making use of disabled facilities
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This is a page archived from The Horse's Mouth at http://www.wellho.net/horse/ - the diary and writings of Graham Ellis. Every attempt was made to provide current information at the time the page was written, but things do move forward in our business - new software releases, price changes, new techniques. Please check back via our main site for current courses, prices, versions, etc - any mention of a price in "The Horse's Mouth" cannot be taken as an offer to supply at that price.

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