WHY Linux?

Reliable

Secure

Open source

Fast and Efficient

Pick and mix

Plenty of

packages

Linux Goodies

~$ sudo apt-get install apache2

Install any software as easy as

Most advanced shell

~$ uniq -w17 -c mail.log | sort -V

Continuous upgrades

~$ sudo apt-get dselect-upgrade

Infinitely scalable

Supported by

~$ sudo pstree | grep asterisk
     |-safe_asterisk---asterisk-+-astcanary
     |                          `-153*[{asterisk}]

Which Web server?

Apache

Apache

The best known process-based server

Feature rich

Best for complex dynamic applications

Best-known asynchronous servers

Born to Scale

Low memory footprint

Which Database?

CouchDB

Data integrity

Reporting

ACID

Atomicity

Consistency

Isolation

Durability

SQL

CouchDB

You Expect a High Write Load

You need High Availability in an Unreliable Environment (Cloud and Real Life)

You need to Grow Big

Your Data is Location Based