nas: ~ $ facter
architecture => i386
domain =>  example.com
facterversion => 1.5.4
fqdn => nas.jexample.com
hardwareisa => unknown
hardwaremodel => i686
hostname => nas
id => julien
interfaces => eth0,wlan0,wmaster0
ipaddress => 10.29.12.150
ipaddress_eth0 => 10.29.12.150
kernel => Linux
kernelrelease => 2.6.31-16-generic
kernelversion => 2.6.31
lsbdistcodename => karmic
lsbdistdescription => Ubuntu 9.10
lsbdistid => Ubuntu
lsbdistrelease => 9.10
lsbmajdistrelease => 9
macaddress => 00:15:f2:a3:db:1b
macaddress_eth0 => 00:15:f2:a3:db:1b
macaddress_wlan0 => 00:16:e6:3d:82:9c
memoryfree => 853.62 MB
memorysize => 994.34 MB
netmask => 255.255.255.0
netmask_eth0 => 255.255.255.0
network_eth0 => 10.29.12.0
operatingsystem => Ubuntu
operatingsystemrelease => 9.10
physicalprocessorcount => 0
processor0 => Intel(R) Celeron(R) M processor         1.50GHz
processorcount => 1
ps => ps -ef
rubysitedir => /usr/local/lib/site_ruby/1.8
rubyversion => 1.8.7
sshdsakey => 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
sshrsakey => AAAAB3NzaC1yc2EAAAABIwAAAQEA8cDhbxt7pGJFnXrQ39rQCQfR47Xk8faPS0jKijU2/E/YGqjdaMTc+PbtYCtrZ2VTLAHts0idI+69D9XdLBtZBUuSDXFgp6JfsxGJGXk3mwN5/2xy00Yyo29C9YOAggCNAWN/6zAEAP/p6SCWDvRMajIi1gH+EkOWnts9o/w+OHbq52xgf1kI8RP4HgHtc748tzEpswkU72y6KVJ654M+eXst0SQPl6TP2yuaU9axWdrkg17hYapBoA1Gkvgdyzf7MRGS4fhHIzZo+K4AcvdftEKi1kv0rEaxkrSSuUoQF3FpSwY79rrKZ9MgBaamD2I6KmlAKHrmNQzcUoWRz3x22w==
swapfree => 2.93 GB
swapsize => 2.93 GB
timezone => EST
uniqueid => 007f0101
uptime => 15:56 hours
uptime_days => 0
uptime_hours => 15
uptime_seconds => 57410
virtual => physical


Individual fact :


nas: ~ $ facter ipaddress
10.29.12.150