Volunteering to Develop IT solutions
for Social Causes
Web Application Programming in Open Source
Technologies
What is in this Presentation
● Get ready to be a Yousee Technology Support
Volunteer
● How to install and learn PHP/MYSQL
...
Overview
● At YouSee we currently support development of Web
Applications for Social Causes
●Any OS can be used to develop...
Using Windows as the OS
●When using Windows as the OS WAMP Server should
installed on your System -
●WAMP Server is a free...
Using Windows as the OS
●WAMP Server shows up as an icon once you have
installed it.
●You can right-click on this icon to ...
Using Windows as the OS
●PHPMyAdmin is installed automatically with WAMP Server
●It is a PHP/MYSQL application and at the ...
Using Linux as the OS
●On Linux PHP, MySQL and Apache have to be installed separately.
●Usually PHP and Apache are already...
Using Linux as the OS
●PHP is usually installed in most linux distributions.
●The way to find out if it is already install...
Using Linux as the OS
●MySQL is usually installed in most linux distributions.
●The way to find out if it is already insta...
Using GIT and GITHUB
●GIT is an open source version control and configuration management
system that is widely used to col...
Using GIT and GITHUB
●Go to www.github.com and create a user profile for yourself.
●
ForkFork the repository of the Projec...
Using GIT and GITHUB
●Once you have made code changes and tested your changes on the local host you are ready
to commitcom...
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Volunteering at YouSee on Technology Support

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This document aims to walk one through all steps of Volunteering at YouSee on Technology Support

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Volunteering at YouSee on Technology Support

  1. 1. Volunteering to Develop IT solutions for Social Causes Web Application Programming in Open Source Technologies
  2. 2. What is in this Presentation ● Get ready to be a Yousee Technology Support Volunteer ● How to install and learn PHP/MYSQL ● How to use GITHub to collaboratively develop software.
  3. 3. Overview ● At YouSee we currently support development of Web Applications for Social Causes ●Any OS can be used to develop applications, there is no preference. ●Apache is the preferred Web Server ●MySQL is the preferred DBMS ●PHPMyAdmin is the preferred SQL Administration Tool ●PHP is the preferred Language ●Any editor can be used to type the source code (OS Specific) ●GIT is the preferred Version Control System
  4. 4. Using Windows as the OS ●When using Windows as the OS WAMP Server should installed on your System - ●WAMP Server is a free open source GPL server and can be downloaded at http://www.wampserver.com/en/. ●Apache is included in WAMP Server ●MySQL is included in WAMP Server ●PHP is included in WAMP Server ●PHPMyAdmin is included in WAMP Server
  5. 5. Using Windows as the OS ●WAMP Server shows up as an icon once you have installed it. ●You can right-click on this icon to start and stop the server. ●The server folder is called “wamp” and you can choose its location at the time of installation. Usually it is found under C:Windows. ●Any web application in development can be put as a folder under the wamp folder. For instance if the current web application to be developed is titled “education” it should be located as C:Windowswampeducation
  6. 6. Using Windows as the OS ●PHPMyAdmin is installed automatically with WAMP Server ●It is a PHP/MYSQL application and at the time of WAMP Server installation the userid and password for this tool are set by you (the user). ●Once WAMP is installed, start it (by right-clicking the icon on your shortcuts menu at the bottom-right of your screen) ●Type http://localhost/PhpMyAdmin on the url bar of your browser and PHPMyAdmin tool login will show up ●Once you login the tool is quite intuitive to perform various SQL functions including DDL (create Database, table, Alter etc) and DML commands. ●Notepad++ is a fine editor for coding PHP programs because it can parse PHP and HTML language elements to show them on the screen. This helps in identifying in obvious coding errors such as matching braces or tags missing.
  7. 7. Using Linux as the OS ●On Linux PHP, MySQL and Apache have to be installed separately. ●Usually PHP and Apache are already installed in many Linux distributions but if yours did not have it here's how you can install each of them - ●Apache On Fedora/CentOS - yum install httpd ●Apache On Red Hat - up2date httpd ●Apache On Debian (Ubuntu, Mint) – apt-get install apache2 ● Command to Start Apache Service – httpd start or apache2 start
  8. 8. Using Linux as the OS ●PHP is usually installed in most linux distributions. ●The way to find out if it is already installed is to create a file called phpversion.php in /var/www folder. Add the following text to this file - “<?php phpinfo();?>”. ● Open the file in browser by typing “http://localhost/phpversion.php” ●You should get a page display telling what version of PHP is installed. ● If PHP is not installed on your system please contact one of the YouSee volunteers to walk you through the process of installation as it depends on the linux distribution you have.
  9. 9. Using Linux as the OS ●MySQL is usually installed in most linux distributions. ●The way to find out if it is already installed is to run the command “mysql --version”. It returns the version of mysql installed on the system. ●In most linux installations MySql automatically starts when the system boots. To manually start mysql services type “mysqld” or “mysql.server start” command. You can stop mysql services by typing “mysqladmin shutdown” or “mysql.server stop”. ● If MySQL is not installed on your system please contact one of the YouSee volunteers to walk you through the process of installation as it depends on the linux distribution you have. ●For PhpMyAdmin installation a PDF file will be sent to you that is to use. A YouSee volunteer working on linux can walk you through the install process should you need any help. ●Editors to code PHP programs are again dependent on the linux distribution so contact a YouSee volunteer to know what suits the OS on your machine.
  10. 10. Using GIT and GITHUB ●GIT is an open source version control and configuration management system that is widely used to collaboratively develop applications. It is also supported by a cloud service called GITHUB that allows the management of repositories (code being developed) in a shared hosted space (that includes free hosting with certain limitations) . ●You are encouraged to read about GIT and GITHUB. Here are a few suggested URLs to get aquainted – http://git-scm.com/book. There is an interactive tool online http://try.github.io/levels/1/challenges/7 that lets you try git commands to understand how they work. ●If you are on Windows install GITHUB Client (http://windows.github.com/) ●On Linux, install GIT using the following URL as reference http://git-scm.com/book/en/Getting-Started-Installing-Git.
  11. 11. Using GIT and GITHUB ●Go to www.github.com and create a user profile for yourself. ● ForkFork the repository of the Project you have been assigned (the repository URL will be provided by a YouSee Volunteer who is a collaborator on the Project) . By forking you have created a copy of the repository in your account. ●Add UCDS (a user in GITHUB and the administrator for all YouSee Repositories) as a collaborator to your forked project. This enables YouSee administrator to merge your changes into the master repository. ●If you are on Windows you can cloneclone the repository using the GIT Client that you installed. You can choose the directory where you want to clone the repository. If you do not choose the wamp folder you would have to copy the repository folder inside wamp folder to test it as a web application. ●If you are on linux you can use the cloneclone command to make a copy of the repository on your machine. You need to be connected to the Internet to be able to perform this operation. First you should go to the directory where you want to make code changes to this repository. If you do not choose the wamp folder you would have to copy the repository folder inside /var/www folder to test it as a web application. ●Example of cloneclone command – git clonegit clone https://github.com/youseevolunteer/youseelibrary.git In this command the term “youseevolunteer” refers to your user id and “youseelibrary.git” refers to the repository that you forked.
  12. 12. Using GIT and GITHUB ●Once you have made code changes and tested your changes on the local host you are ready to commitcommit your changes into the GIT repository in the cloud. ●On Windows committing your changes is a one step process using the GIT Client. Basically you have to click on Merge.Merge. ●On Linux follow these steps to do push your changes from your local repository to your GITHUB repository. ●Execute the addadd command – git add -u.git add -u. This command adds all the modified files in your repository to a staging area. ●Execute the commitcommit command – git commit -m 'commit message'.git commit -m 'commit message'. This command records the snapshot of the staging area. The -m option lets us give a comment in the commit for audit tracing. ●Execute the pushpush command – git push https://github.com/YouSeeVolunteer/repositoryname.gitit push https://github.com/YouSeeVolunteer/repositoryname.git This command pushes commit changes from the local repository to GITHUB repository. It needs Internet connection. In the example mentioned above “YouSeeVolunteer” refers to the user id and “repositoryname.git” refers to the repository name. The administrator (GITHUB account UCDS) will log into GITHUB and merge your changes to the master repository thus completing the acceptance of your changes to an existing system.
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