When installing PHP 5.2.14 from source and then installing PEAR libraries, I got the following error when executing pear:

pear.php.net is using a unsupported protocol - This should never happen.
install failed

so How to fixed this ?

#rm -rf /usr/local/lib/php/.channels

and then re execute pear channels again

#pear update-channels

This should fixed your problem.

What is PECL Perl ?

PECL Perl is extension embeds Perl Interpreter into PHP. It allows execute Perl files, evaluate Perl code, access Perl variables and instantiate Perl objects.

In this tutorial i will describe how to compile PECL perl with PHP 5.3.x
I found that latest pecl perl-1.0.0.tgz can't compile with PHP 5.3.x

what is nginx ?

nginx (pronounced as "engine X") is a lightweight, high performance web server/reverse proxy and e-mail (IMAP/POP3) proxy, licensed under a BSD-like license. It runs on UNIX, GNU/Linux, BSD variants, Mac OS X, Solaris, and Microsoft Windows[1].

What is php-fpm ?

PHP-FPM (FastCGI Process Manager) is an alternative PHP FastCGI implementation with some additional features useful for sites of any size, especially busy sites.

Installing MySQL

What is Centreon ?

Centreon is frontend GUI applications that manages Nagios (similar to Groundwork's Fruity), uses MySQL database to create the /etc/nagios/*.cfg files necessary for the Nagios daemon.

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What is Smokeping?

SmokePing does not stand alone. It relies on various other tools and services being present. Apart from a Unix OS and a working Perl installation you need the following things. The list contains the names of the tools together with the version of the tool which I am using, and a link for downloading the tool.

Preparing anything to install Smokeping

Download Smokeping : http://oss.oetiker.ch/smokeping/pub/smokeping-2.4.2.tar.gz

Users with very old PEAR versions are unable to follow the PEAR upgrade

instructions on the 1/3/08 news item announcing the XML-RPC service shutdown, due to two issues:
- console_getopt current (v1.2.3) has only v2 package.xml, which older
pear installer can't read
- upgrade to pear-1.4.3 requires at least pear-1.3.3 already installed,
and some users' versions are older than that

To solved this issue we need to upgrade pear step by steps below: