How To Install and Use Memcache on Ubuntu

Memcached  is a general-purpose distributed memory caching system. It is often used to speed up dynamic database-driven websites by caching data and objects in RAM to reduce the number of times an external data source  must be read.

Install Memcached

1.     Firstly we install libevent

       sudo apt-get update

       sudo apt-get install libevent-core-2.0-5


2.  Install memcached 

 sudo apt-get install memcached

Configaration

3.  configure iptables  with these entries

 sudo iptables -A INPUT -m state --state NEW -m tcp -p tcp --dport 11211 -j ACCEPT

 sudo iptables -A INPUT -m state --state NEW -m udp -p udp --dport 11211 -j ACCEPT


4.  Go to  /usr/share/memcached/memcached.conf.default
     and  change defulat connection port:

   -p 11211 [defualt]

memory

 -m 20


and ip address also
-l 127.0.0.1 [ip address ]

5.  Now also configure    /etc/memcached.conf

  change    port

    -p 11211 [defualt]

    and ip address

  
-l 127.0.0.1 [ip address ]


Using

-> telnet 127.0.0.1 11211

You can check memcached is runing or not.