memcached
/usr/local/bin/memcached: error while loading shared libraries: libevent-1.4.so.2: cannot open shared object file: No su
ch file or directory
Solved by:
ln -s /usr/local/lib/libevent-1.4.so.2 /usr/lib/libevent-1.4.so.2
/usr/local/bin/memcached -d -m 100 -l 123.242.229.218 -p 11211
# Run memcached as a daemon (d = daemon, m = memory, u = user, l = IP to listen to, p = port)

Installing PHP5 Memcache Extension Module on Ubuntu (note: you must have memcached installed prior to installing this ex
tension module. refer to prerequisite install below):
-------------------------
# Prerequisite Install
-------------------------
# Download & install libevent (memcached dependency)
wget http://www./~provos/libevent-1.4.8-stable.tar.gz
tar xfz libevent-1.4.8-stable.tar.gz
cd libevent-1.4.8-stable
./configure && make && sudo make install
# Create a symlink to libevent
sudo ln -s /usr/local/lib/libevent-1.4.so.2 /usr/lib
# Download & install memcached
wget http:///memcached/dist/memcached-1.2.6.tar.gz
tar xfz memcached-1.2.6.tar.gz
cd memcached-1.2.6
./configure && make && sudo make install
# Run memcached as a daemon (d = daemon, m = memory, u = user, l = IP to listen to, p = port)
memcached -d -m 1024 -u root -l 127.0.0.1 -p 11211
-------------------------
# PHP5-Memcache Install
-------------------------
# Download the extension module
apt-get install php5-memcache
# Edit /etc/php5/conf.d/memcache.ini and uncomment the following line by removing the semi-colon
extension=memcache.so
# Restart apache
/etc/init.d/apache2 restart
-------------------------
# Test Install
-------------------------
# Create a file 'memcache_test.php' in your webroot and paste the following:
<?php
$memcache = new Memcache;
$memcache->connect('localhost', 11211) or die ("Could not connect");
$version = $memcache->getVersion();
echo "Server's version: ".$version."<br/>\n";
$tmp_object = new stdClass;
$tmp_object->str_attr = 'test';
$tmp_object->int_attr = 123;
$memcache->set('key', $tmp_object, false, 10) or die ("Failed to save data at the server");
echo "Store data in the cache (data will expire in 10 seconds)<br/>\n";
$get_result = $memcache->get('key');
echo "Data from the cache:<br/>\n";
var_dump($get_result);
?>
# Test to see if the file renders in your browser