Linux, Apache, Nginx, MySQL, Javascript and PHP

The strtotime() function in PHP allows you to convert English text date time strings into UNIX timestamps. It is

PHP has a really useful date() function for formatting dates from timestamps. When used in conjunction with strtotime() you

Yesterday I looked at using mysqldump to save data to CSV files, which by default

Yesterday I looked at basic use of mysqldump for backing up MySQL databases. Today I

A simple way to back up MySQL databases is with the mysqldump command line tool. Mysqldump can

It is possible to trigger an error in PHP. This can be useful for debugging purposes, or if there

MySQL has a query cache which caches the results of SELECT queries, if enabled. This means that frequently used

I sell Linux on CD on my Linux CD Mall website, and

I run a number of web servers with PHP and MySQL and have a PHP command line script that

There are several PHP "magic constants" (or "magical contants") which can be useful for a

A useful command line tool is date, which is typically used for displaying the current system date,

I’ve finally set up an RSS feed for this site and one of the things I needed to sort

When trying to install something on a CentOS 5 machine using Yum today, I got the error message "Metadata

I run VMWare Workstation on a Linux host machine with multiple virtual machines as my day to day desktop

openSUSE has an excellent system management tool called Yast, but the software package management tool in Yast is really

Postfix allows you to store virtual alias maps in a text file, which tells postfix how to route virtual

If the hostname setting is incorrect on your CentOS/RedHat/Fedora machine, it’s really easy to change the hostname

I’ve set up a CentOS 5 Apache web server for a customer where we run the web server as user