HTTP Notes

Installation Packages

-----------------------------

1- install package: apache2-mpm-prefork





Commands of Interest

-------------------------------

1- /etc/init.d/apache2 restart  : restart the server with new configuration

2- a2ensite site.file.name      : enable a site file

   a2dissite site.file.name     : disable a site file

3- a2enmod module name          : enable an available module

   a2dismod module name         : disable an enabled module





Files and Directories

---------------------

1- /etc/apache2                : Configuration files

   /etc/apache2/README         : Documentation of configuration structure

   /etc/apache2/apache2.conf   : Main configuration file

   /etc/apache2/conf.d/        : Directory of misc. configurations

   /etc/apache2/mods-available/: Directory of available modules

   /etc/apache2/mods-enabled/  : Directory of modules that are in use

   /etc/apache2/sites-available/: Directory of available virtual hosts

   /etc/apache2/sites-enabled/  : Directory of virtual hosts that are used

  

2- /var/www                    : parent directory for all sites

   /var/www/domain             : our site DocumentRoot(s)



3- /var/log/apache2            : log file directory

   /var/log/apache2/error.log  : start/stop/error messages

   /var/log/apache2/access.log : log of HTTP requests





Specific Configuration Tasks

-----------------------------------------------------------------------

  

  

To allow the documenation to be read from campus

-----------------------------------------------------------------------

1- Edit /etc/apache2/conf.d/apache2-doc

Change this line:

================FROM======================

   Allow from  127.0.0.0/255.0.0.0 ::1/128

=================TO=======================

   Allow from  127.0.0.0/255.0.0.0 144.38.192.0/255.255.224.0 ::1/128

==========================================

2- /etc/init.d/apache2 restart







To set up organizational websites

-----------------------------------------------------------------------

0- su -

1- cd /etc/apache2/sites-available

2- edit default, add "ServerName your.server.name" directive to

   VirtualHost configuration.

3- edit new.site.file

This is the site1.horgoth.com site file

========================================================================

<VirtualHost *>

        ServerName horgoth.com

        ServerAdmin webmaster@horgoth.com

       

        DocumentRoot /var/www/site1.horgoth.com

        <Directory />

                Options FollowSymLinks

                AllowOverride None

        </Directory>

        <Directory /var/www/site1.horgoth.com/>

                Options Indexes FollowSymLinks MultiViews

                AllowOverride None

                Order allow,deny

                allow from all

        </Directory>



        ErrorLog /var/log/apache2/error.log



        # Possible values include: debug, info, notice, warn, error, crit,

        # alert, emerg.

        LogLevel warn



        CustomLog /var/log/apache2/access.log combined

        ServerSignature On

</VirtualHost>

========================================================================



This is the site2.horgoth.com site file

========================================================================

<VirtualHost *>

        ServerName site2.horgoth.com

        ServerAdmin webmaster@horgoth.com

       

        DocumentRoot /var/www/site2.horgoth.com

        <Directory />

                Options FollowSymLinks

                AllowOverride None

        </Directory>

        <Directory /var/www/site2.horgoth.com/>

                Options Indexes FollowSymLinks MultiViews

                AllowOverride None

                Order allow,deny

                allow from all

        </Directory>



        ErrorLog /var/log/apache2/error.log



        # Possible values include: debug, info, notice, warn, error, crit,

        # alert, emerg.

        LogLevel warn



        CustomLog /var/log/apache2/access.log combined

        ServerSignature On

</VirtualHost>

========================================================================

4- Enable the new site with

   a2ensite site1.horgoth.com

   a2ensite site2.horgoth.com

5- Make directory for site

   mkdir /var/www/site1.horgoth.com

   mkdir /var/www/site2.horgoth.com

6- If not already defined, add the site name to DNS configuration.

   The site name must resolve to the IP address of the server.  If

   www.site.name is desired, these names must also be configured

   correctly.

7- /etc/init.d/apache2 restart

8- Set up content in DocumentRoot

9- Browse site with

   http://site1.horgoth.com/document or http://site2.horgoth.com/document





To allow more than one DNS entry to be used by each virtual host

-----------------------------------------------------------------------

0- su

1- edit /etc/apache2/sites-available/site.file

2- add a line after the ServerName configuration:

========================================================================

 ServerAlias www.site1.horgoth.com

========================================================================

3- /etc/init.d/apache2 restart