How to Install Apache2 webserver with PHP,CGI and Perl Support in Ubuntu Server

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The Apache HTTP Server Project is an effort to develop and maintain an open-source HTTP server for modern operating systems including UNIX and Windows NT. The goal of this project is to provide a secure, efficient and extensible server that provides HTTP services in sync with the current HTTP standards.Apache v2 is the next generation of the omnipresent Apache web server. This version -- a total rewrite -- introduces many new improvements, such as threading, a new API, IPv6 support, request/response filtering, and more.

Install Apache2 in Ubuntu

sudo aptitude install apache2

This will complete the installation.

After installation Type the server’s IP address (or alias if you added the server to your /etc/hosts file) in your browser’s address bar or, if you are browsing on the server itself, type 127.0.0.1 or localhost. If an error occurs, then you will have to edit the apache2.conf file to ensure that Apache can fully resolve the server’s name.If you have any problem then you have to edit the apache2 configuration file using the following command

sudo nano /etc/apache2/apache2.conf

Add the following line somewhere

ServerName localhost

or

ServerName yourserverip

Save and exit the file

Now you need to  restart Apache server using the following command.

sudo apache2ctl restart

Change default document root in Apache2

The main configuration file located at /etc/apache2/apche2.conf.If you want to change the default document root you need to edit the /etc/apache2/sites-available/default file and look for this line “DocumentRoot /var/www/” here you can change where ever you want to change.For example if you want to change /home/www the above line looks like this “DocumentRoot /home/www/”.

Save and exit the file

Now you need to  restart Apache server using the following command.

sudo apache2ctl restart

Enable PHP support for apache2 webserver

If you want to enable php5 or php4 support to your apache webserver use the following commands to install require packages

For PHP5

sudo aptitiude install php5 libapache2-mod-php5

For PHP4

sudo aptitiude install php4 libapache2-mod-php4

You also make sure the php5 and php4 modules are enabled using the following commands

sudo a2enmod php5

sudo a2enmod php4

After installing php support you need to restart apache webserver using the following command

sudo apache2ctl restart

Test your PHP Support foe apache webserver

To check the status of your PHP installation

sudo nano /var/www/testphp.php

and insert the following line

<?php phpinfo(); ?>

Save and exit the file

Now open web browser at http://yourserveripaddress/testphp.php and check.

Enable CGI and perl support for apache2 server

You need to install the following package

sudo aptitude install libapache2-mod-perl2

Configure a cgi-bin directory

You need to create a cgi-bin directory using the following command

sudo mkdir /home/www/cgi-bin

Configuring Apache to allow CGI program execution is pretty easy. Create a directory to be used for CGI programs and add the following to the site configuration file (again between the <VirtualHost> tags).

ScriptAlias /cgi-bin/ /home/www/cgi-bin/

<Directory /home/www/cgi-bin/>
Options ExecCGI
AddHandler cgi-script cgi pl
</Directory>

The first line creates an alias that points to the directory in which CGI scripts are stored. The final line tells Apache that only files that end with the *.cgi and *.pl extensions should be considered CGI programs and executed.

Test your Perl Program

cd /home/www/cgi-bin

sudo nano perltest.pl

Copy and paste the following section save and exit the file.

###Start###

#!/usr/bin/perl -w
print "Content-type: text/html\r\n\r\n";
print "Hello there!<br />\nJust testing .<br />\n";

for ($i=0; $i<10; $i++)
{
print $i."<br />";
}

###End###

make sure you change permissions on it

sudo chmod a+x perltest.pl

Now open your web browser open http://yourserverip/cgi-bin/perltest.pl.It should be working.

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43 thoughts on “How to Install Apache2 webserver with PHP,CGI and Perl Support in Ubuntu Server

  1. Word of an adivce: Don’t edit apache.conf. Add your custom configuration in /etc/apache2/conf.d/ directory. This will help you maintain your configuration (you can split it into logical files) and make upgrades to newer Ubuntu version smoother. Also, web site specific configuration is done in /etc/apache2/sites-available – create your own site and enable it. As with custom configuration, custom websites will make upgrades to newer Ubuntu version painless.

    [Reply]

  2. sudo aptitude install libapache2-mod-perl is not functionaly. but i tested : sudo apt-get install libapache2-mod-perl & its runing now. maybe is there anything wrong of the site.

    [Reply]

    pottsi Reply:

    To use aptitude you need aptitude installed, if not just use apt-get

    [Reply]

  3. would someone show me what there /etc/apache2/sites-available/default file I need help on how it should look

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  4. Hi very good instructions, the server is up and running. The only problem is with CGI. In the step “Configure a cgi-bin directory”. You say to add text to the site configuration file (again between the tags. Is that the apache2.conf file, and if so I don’t see any tags.
    Sorry if this is a stupid question.

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  5. I did all that was told in the instructtion (I have omitted the PHP- istallation part as I need CGI perl for the time being), but can’t run the CGI script given in the exampl or any other CGI script.
    getting the followint “404 Not Found” error:-

    The requested URL /home/www/cgi-bin/perltest.pl was not found on this server.
    Apache/2.2.9 (Ubuntu) Server at 127.0.1.1 Port 80

    In case ur wondering I have given the correct IP of the server as shown in the error mssg.PlZZZZZ Help!Thanks

    [Reply]

  6. I cant follow this
    Configuring Apache to allow CGI program execution is pretty easy. Create a directory to be used for CGI programs and add the following to the site configuration file (again between the tags).

    ScriptAlias /cgi-bin/ /home/www/cgi-bin/

    Options ExecCGI
    AddHandler cgi-script cgi pl

    Is this what you are asking me to add
    Configuring Apache to allow CGI program execution is pretty easy. Create a directory to be used for CGI programs and add the following to the site configuration file (again between the tags).

    ScriptAlias /cgi-bin/ /home/www/cgi-bin/

    Options ExecCGI
    AddHandler cgi-script cgi pl

    [Reply]

  7. Hi, I followed your instruction in the cgi section (or at least I believe I did), but my browser keeps wanting to download the pl file instead of executing it. I’ve had the same problem with other binary files too. Please help

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  8. With apache 2 and Ubuntu 10.4 the sites-enabled file already includes the

    ScriptAlias /cgi-bin/ /usr/lib/cgi-bin/

    AllowOverride None
    Options +ExecCGI -MultiViews +SymLinksIfOwnerMatch
    Order allow,deny
    Allow from all

    and there is a usr/lib/cgi-bin DIR where I added the perl script and ran it..

    Then I had to look to see that the numbers were part of the script :P!

    Great Thread! Thanks!

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    Tom Reply:

    I try to install cgi in my Ubuntu 11.04. I put testperl.pl in /usr/lib/cgi-bin. So, how we can access it from the browser?
    I try to access with http://localhost/cgi-bin
    but, it can’t work. could you help me??

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  9. Anyone know of a step-by-step that will work?

    What and where is the,”site configuration file.”?

    I’m sure it’s a version thing but my www directory is /var/www not /home/www.

    This page wouldn’t exist if the apache page explanation wasn’t just as bad. I’ve tried a few different ways to get this to work.

    I have lot’s of scripts that I would like to execute from an html document. Apache is installed and working, what next? All I can get it to do is try to download the file/bash script. Any help would be good, specific help would be great.

    Thanks All.

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  10. Dear sir,

    We have configured Apache2 on an Ubuntu 10.04 Machine in my LAN with a static IP of 192.168.1.125

    The default page of the Apache2 is available on entire LAN member PC’s with the URL address http://192.168.1.125.

    We have installed Web with default directories as explained in your tutorial http://www.webmo.net/support/installation.html

    But able to access webMO through the browsers in LAN or the server PC…

    Cam you explain me how to configure this as virtual host, which will enable us to access WebMO through browsers in LAN PC’s?

    Problem Details:

    tried to install webMo on Ubuntu 10.04 as explained in your tutorial using default directories….but unable to access webMo form a browser. it give following error message… how can i configure this installation as virtual host and access it through browser?. (apache2 is configured and default page is accessible)
    ======================
    Error message,

    Not Found

    The requested URL /~web/cgi-bin/webmo/login.cgi was not found on this server.
    Apache/2.2.14 (Ubuntu) Server at 192.168.1.125 Port 80

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

    ServerName ?
    DocumentRoot /path/to/your/project/root ?
    ?
    AllowOverride All
    Order deny,allow
    Allow from all

    ScriptAlias /cgi-bin/ /home/www/cgi-bin/

    Options ExecCGI
    AddHandler cgi-script cgi pl

    Regards,

    VK. Adarsh

    [Reply]

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