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For 2021 - online Python 3 training - see ((here)).

Our plans were to retire in summer 2020 and see the world, but Coronavirus has lead us into a lot of lockdown programming in Python 3 and PHP 7.
We can now offer tailored online training - small groups, real tutors - works really well for groups of 4 to 14 delegates. Anywhere in the world; course language English.

Please ask about private 'maintenance' training for Python 2, Tcl, Perl, PHP, Lua, etc.
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
A651 - Web Application Deployment - Tomcat Overview
  [49] Business is the predominant user of Tomcat, Perl and Tcl - (2004-09-15)
  [498] Why is Tomcat called Tomcat? - (2005-11-17)
  [576] Why run two different web servers - (2006-01-25)
  [1265] Apache, Tomcat, Jakarta, httpd, web server - what are they? - (2007-07-13)
  [1771] More HowTo diagrams - MySQL, Tomcat and Java - (2008-08-24)
  [1941] Server - Service - Engine - Host, Tomcat - (2008-12-14)
  [2016] Apache httpd and Apache Tomcat miscellany - (2009-01-30)
  [2077] Why put Apache httpd in front of Apache Tomcat - (2009-03-12)
  [2186] An FAQ on the Apache httpd and Apache Tomcat web servers, and on using them together - (2009-05-17)
  [2753] You do not just fly - that is just part of the journey - (2010-05-06)
  [3997] Servlet v JSP (Java Server Page). What is the difference? - (2013-02-06)
  [4434] Public training courses - upcoming dates - (2015-02-21)

A601 - Web Application Deployment - Apache httpd - an overview
  [924] The LAMP Cookbook - Linux, Apache, MySQL, PHP / Perl - (2006-11-13)
  [1593] Keep the client experience easy - single server contact point - (2008-03-27)
  [1897] Keeping on an even keel - (2008-11-21)
  [2038] Sticky Sessions with mod_jk (httpd to Tomcat) - (2009-02-12)
  [2054] Tuning httpd / the supermarket checkout comparison - (2009-02-26)
  [2063] Internal Dummy Connections on Apache httpd - (2009-03-02)
  [4064] Apache httpd - a robust, open source web server - (2013-04-16)

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

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

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

A099 - Java Application - Deployment on the Web
  [166] Acronyms - (2005-01-02)
  [673] Helicopter views and tartans - (2006-04-06)
  [1621] Linux and Java Course in London - (2008-04-24)
  [2130] Javascript - move cursor over image to change a different image. - (2009-04-16)
  [2599] Telling Apache web servers apart / notes for the non-technical - (2010-01-26)
  [3891] The components of an Apache httpd / Tomcat / MySQL stack and what each does - (2012-10-13)


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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