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x360zone 15th March 2012 21:58

memcache install
 
attention

Attention

When we talk about Memcache their two things that needs to be installed
  1. Memcache Daemon know as memcached, and
  2. Memcache client for your programing language, in this case PHP.

Installing Memcache Daemon

Note these steps has been taken from http://in2.php.net/manual/en/memcache.installation.php
Steps to install Libevent(memcached dependency)

  1. First we need to check if libevent is installed or not?
    1. type whereis libevent on shell.
  2. If you don’t find it, then we need to download and install it. Type following sequence of commands on your shell
    1. wget http://www.monkey.org/~provos/libevent-1.4.8-stable.tar.gz
    2. tar xfz libevent-1.4.8-stable.tar.gz
    3. cd libevent-1.4.8-stable
    4. ./configure
    5. make
    6. sudo make install
  3. Finally we need to create a symlink to libevent
    1. type sudo ln -s /usr/local/lib/libevent-1.4.so.2 /usr/lib on shell.
Now that we have installed the dependencies, we will install the memcahced.
Steps to install Memcached

  1. Download and install, for that type following sequence of commands on your shell
    1. wget http://danga.com/memcached/dist/memcached-1.2.6.tar.gz
    2. tar xfz memcached-1.2.6.tar.gz
    3. cd memcached-1.2.6
    4. ./configure
    5. make
    6. sudo make install
  2. Run Memcached as a daemon (d = daemon, m = memory, u = user, l = IP to listen to, p = port)
    1. type memcached -d -m 1024 -u root -l 127.0.0.1 -p 11211 on shell
Note: versions numbers mentioned here might be outdated, so do check for updated package to download.
Now we have installed and started the Memcache daemon, it’s time to install PHP client.
Installing Memcache Extension for PHP

Some of the steps mentioned below are taken from http://www.sitepoint.com/article/get...d-with-pear/2/
  1. Let’s determine the PHP version installed and also make sure it is in system path.
    1. type php -v on you shell, it should show something like PHP 5.2.6 (cli) (built: Nov 4 2008 09:25:57)
    2. type whereis php to get the path where PHP is installed in your system.
    3. In your accounts home directory create/edit ‘.profile’ file and add ‘export PATH=$PATH:/usr/local/bin‘ where ‘/usr/local/bin‘ is the folder where php executable is installed.
  2. Install PEAR, type following sequence of commands on your shell
    1. wget http://pear.php.net/go-pear -O go-pear.php
    2. php go-pear.php and follow the installation instructions
    3. ls -l ~/.pearrc
    4. edit the ‘.profile‘ (again) and add export PATH=/home/yourname/pear/bin:$PATH
  3. Finally Install Memcache
    1. type pecl install memcache on your shell, it will install memcahce extension for PHP.
  4. Edit php.ini to add ‘extension=memcache.so‘, to find the exact php.ini file used by your system
    1. php -i | grep ‘php.ini’
  5. Restart apache, and you are done type one of the commands below to do that
    1. /etc/init.d/apache restart , or
    2. service httpd restart





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