Speeding up your website using eaccelerator and memcache/memcached

Oct 15th, 2009 | eAccelerator, http, memcached, php, wordpress | No Comments


memcached is a high-performance, distributed memory object caching system, generic in nature, but intended for use in speeding up dynamic web applications by alleviating database load.

Here’s how to install eaccelerator extension

$ wget http://bart.eaccelerator.net/source/0.9.6/eaccelerator-0.9.6-rc1.tar.bz2
$ tar xjf eaccelerator-0.9.6-rc1.tar.bz2
$ cd eaccelerator-0.9.6-rc1
$ phpize
$ ./configure
$ make
$ sudo make install
$ cd /var/cache
$ sudo mkdir eaccelerator
$ sudo chown -R apache:apache eaccelerator

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Wordpress with one database, same domain, two identical installation on two different machine/network(ipv4/ipv6)

Jul 30th, 2009 | apache, centos, ipv6 | No Comments

Here is the case:

I have already wordpress/blog installation running on httpd with ipv4.(with no ipv6 enabled).
I want everyone with native ipv6 be able accesing my blog.
I have one server already connected to ipv6 via he.net tunnel brokers on different region.

It’s also have httpd listen on both ipv4/ipv6.

So here’s what i have done.

    * I made a backup of wordpress installation on original server.


$ tar cjf wordpress.tar.bz2 wordpress

    * Copy and extract  wordpress backup to ipv6 enabled
      server.(in my case it's extracted on /var/www/html/)

$ tar xjf wordpress.tar.bz2

    * Edit wp-config.php

since wordpress using database on original server. I have to create one user, that can access the database from network.(i’m not going to explain how to do it, it’s not beyond this article scope).

define('DB_NAME', 'database');
define('DB_USER', 'user');
define('DB_PASSWORD', 'password');
define('DB_HOST', 'ip of original machine');
define('DB_CHARSET', 'utf8');
define('DB_COLLATE', '');

    * Create virtualhost on httpd, same as original server.

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