3 step Memcache install in ubuntu with rails binding

#To Install memecache

sudo apt-get install memcached

#To restart memcahce

/etc/init.d/memcached restart

#To install ruby binding gem to memecache

sudo gem install memcached

and to start memcache automatically on system startup

sudo gedit /etc/default/memcached

# Set this to yes to enable memcached.

ENABLE_MEMCACHED=yes