How To Install libapache2-mod-perl2 on Ubuntu 22.04
In this tutorial we learn how to install libapache2-mod-perl2 on Ubuntu
22.04. libapache2-mod-perl2 is Integration of perl with the Apache2 web
server



Introduction
In this tutorial we learn how to install libapache2-mod-perl2 on Ubuntu
22.04.



What is libapache2-mod-perl2

libapache2-mod-perl2 is:
mod_perl allows the use of Perl for just about anything Apache-related,
including sections in the config files and the famous Apache::Registry
module for caching compiled scripts.

It can produce anywhere from a 400% to 2000% speed increase on sites using
perl scripts, and is used on many large script- based web sites - for
example, http://slashdot.org.

There are three methods to install libapache2-mod-perl2 on Ubuntu 22.04. We
can use apt-get, apt and aptitude. In the following sections we will
describe each method. You can choose one of them.



Install libapache2-mod-perl2 Using apt-get
Update apt database with apt-get using the following command.
	sudo apt-get update

After updating apt database, We can install libapache2-mod-perl2 using apt-get
by running the following command:
	sudo apt-get -y install libapache2-mod-perl2



Install libapache2-mod-perl2 Using apt

Update apt database with apt using the following command.
	sudo apt update

After updating apt database, We can install libapache2-mod-perl2 using apt
by running the following command:
	sudo apt -y install libapache2-mod-perl2



Install libapache2-mod-perl2 Using aptitude

If you want to follow this method, you might need to install aptitude first
since aptitude is usually not installed by default on Ubuntu. Update apt
database with aptitude using the following command.
	sudo aptitude update

After updating apt database, We can install libapache2-mod-perl2 using
aptitude by running the following command:
	sudo aptitude -y install libapache2-mod-perl2



How To Uninstall libapache2-mod-perl2
on Ubuntu 22.04

To uninstall only the libapache2-mod-perl2 package we can use the following
command:
	sudo apt-get remove libapache2-mod-perl2

Uninstall libapache2-mod-perl2 And Its Dependencies

To uninstall libapache2-mod-perl2 and its dependencies that are no longer
needed by Ubuntu 22.04, we can use the command below:
	sudo apt-get -y autoremove libapache2-mod-perl2



Remove libapache2-mod-perl2 
Configurations and Data

To remove libapache2-mod-perl2 configuration and data from Ubuntu 22.04 we
can use the following command:
	sudo apt-get -y purge libapache2-mod-perl2

Remove libapache2-mod-perl2 configuration, data, and all of its
dependencies

We can use the following command to remove libapache2-mod-perl2
configurations, data and all of its dependencies, we can use the following
command:
	sudo apt-get -y autoremove --purge libapache2-mod-perl2



References

    libapache2-mod-perl2 website
    libapache2-mod-perl2 on packages.ubuntu.com



Summary
In this tutorial we learn how to install libapache2-mod-perl2 package on
Ubuntu 22.04 using different package management tools: apt, apt-get and
aptitude.
=======================================================



perl Wont Run
Add to apache2.conf or sites-enabled/cams.ary.loc: 
	ScriptAlias /cgi-bin/ "/path/to/cgi-bin/"

Make sure you have set the following path in your /etc/apache2/apache2.conf:
	ScriptAlias /cgi-bin/ "/path/to/cgi-bin/" 
and that your scripts are in that folder.

If your scripts ends on .pl make sure to change the line
	AddHandler cgi-script .cgi 
	AddHandler cgi-script .cgi .pl
in /etc/apache2/apache2.conf and check that it is not commented out.

	Options FollowSymLinks +ExecCGI 
Needs to set in your virtual host.

Make sure there are links to cgid.conf, cgid.load, and cgi.conf in mods-enabled

Also a2enmod cgid, cgi, and perl