php

General posts that involve PHP, these will include howtos, configuration information and experiments

nginx, proxy_cache and reverse proxying explained & benchmarked

3
February 7, 2010
by Kura in , , , , ,
The beginning

Where to begin? nginx would be a good start I suppose. It's far easier and makes much for sense for you to actually read about nginx from it's own website - http://nginx.org/en/ - but just to give a simple explanation too; `nginx is king of static content HTTP servers.`

Anyone that has dealt with Apache on medium to high traffic websites will know that Apache is bit of a `wheezy, old geezer` when it comes to content serving using it's mpm-worker (threaded). Very often high traffic will cause server load to go through the roof but for serving dynamic content, there really is no More >

Using nginx, Varnish and Apache

7
February 6, 2010
by Kura in , , ,
The problem

So lets get to the problem first. I have several lightly to medium loaded sites running on some virtual servers, they servers themselves are highly configured to run beautifully on our host environments, very, very RAM intensive but low disk I/O and low CPU usage.

As mentioned, the sites are relatively low loaded, they'll generally hang around at between 3,000-5,000 unique hits a day and are run through Apache using PHP, various PHP modules and MySQL, a simple generic LAMP environment, yet customised to suit it's surroundings and host.

The sites themselves run fine on that setup, More >

HOWTO: Debian server security

1
January 14, 2010
by Kura in , , , , , ,

Server security is something I've always tried to keep myself up-to-date on. I have at least a dozen RSS feeds that I read daily to learn about the latest flaws, holes releases etc. That being said I am by no means an "expert", I've learned what I've needed to learn over time. I like to think that over the years I've gained enough knowledge to almost completely secure servers with all the programs installed that I generally use.

The aim of this article is to introduce you to some of the programs I use for security and some config changes that can be made to other programs to make them more More >

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