How to install memcached on CentOS

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This is a step by step guide to installing memcached from source on CentOS. The version of CentOS that I am using is CentOS release 5.2 (Final); to find what version you are using:

  cat /etc/redhat-release

First, install the dependency libevent:

  cd /usr/local/src
  curl -O http://monkey.org/~provos/libevent-1.4.9-stable.tar.gz
  tar xzvf libevent-1.4.9-stable.tar.gz 
  cd libevent-1.4.9-stable
  ./configure --prefix=/usr/local
  make
  make install

Next, install memcached:

  cd /usr/local/src
  curl -O http://www.danga.com/memcached/dist/memcached-1.2.6.tar.gz
  tar xzvf memcached-1.2.6.tar.gz
  cd memcached-1.2.6
  LDFLAGS='-Wl,--rpath /usr/local/lib' ./configure --prefix=/usr/local
  make 
  make install

Verify that memcached starts:

  memcached -u root -d

If there were no errors, make sure it is running:

  ps aux | grep memcached

And finally, to stop memcached:

  pkill memcached

These instructions prevent the following errors:

  memcached: error while loading shared libraries: libevent-1.4.so.2: 
  cannot open shared object file: No such file or directory
  configure: error: libevent is required
  If it's already installed, specify its path using --with-libevent=/dir/

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Amit Shah

An IT Professional

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