Centos Novice

I post this article in order to remind of the linux command running back of Centos.

To check the system version:
#cat /etc/*release*

To verify system architecture:
#getconf LONG_BIT

To install Flash Player
1:#yum install curl compat-libstdc++-33 glibc nspluginwrapper
2:#mkdir flash
3:#cd flash
4:#download the rpm inside the folder flash
5;#restart Firefox

To upgrade PHP:
wget -q -O - http://www.atomicorp.com/installers/atomic |sh
and then
yum update