Archive for July, 2009
July 18th, 2009
Apache is slow when serving thousands of concurrent requests from thousands of different IPs. It is very flexible, stable and offers many great features and has hundreds of modules, but it lacks performance. I am not saying it’s bad.
If you have a medium or large WordPress blog you know how hard is to keep the server up when there are hundreds of concurrent web visitors. The site starts crawling and sometimes you get errors. It’s time to replace Apache with Nginx for hosting static content directly (or even using Memcached to move dynamic content into the memory and serve … Read the rest of this entry »
July 16th, 2009
By default Centos, RedHat and Fedora starts multiple daemons that are actually not needed, for example:
nfs
nfslock
cups
gpm
and I am suggesting you disable these services asap. You can turn it off via chkconfig command or even remove from the execution at init levels as well.
chkconfig –del cups
chkconfig –level 3 cups off
The above line with –del will simply remove it
the second line with –level 3 option will turn off in init #3… Read the rest of this entry »
July 3rd, 2009
My personal choice is Cpanel – it’s somehow more friendly for me and has a lot of more features. However, DirectAdmin requires less resources from my own experience. Anyway, I will stick with Cpanel – I have used it for years and it does a nice job with hosting small web sites. For large site, blog or forum hosting the clear choice is LAMP.… Read the rest of this entry »
July 2nd, 2009
Bulletproof hosting is hosting that withstands high amount of web requests in short time interval. This is also known as a Slashdot effect – your web site or page is linked from a very popular portal and thousands of visitors go to your web site causing high amount of web requests. This usually slows down your web site and usually your site is unreachable – server doesn’t have enough resources to serve all requests.
This is very load balancing and clustering comes in – you share the load between multiple hardware boxes, thus your web site is accessible even it’s … Read the rest of this entry »
