Linux

Tracing Email Sending PHP Scripts On Servers

It happens sometimes, a server you are responsible for seems to be sending out spammy emails, and its normally caused by legacy or insecure code. The mail log indicates there are plenty of potential…

Command Line Tips: Program Execution

Executing commands is an integral part of using any Linux system. To follow up on my post about navigating file systems from the command line ( Linux Tips: File & Directory Handling ) more…

Linux Tips: File & Directory Handling

My desktop and all of the servers I own are Linux or Unix based. So as a result I tend to find myself in a terminal navigating file systems and working with files more often than not. Command line…

Deleting all mail for a local server account

It happens, cron jobs can and will go wrong occasionally and when they do, they love to send alerts to the job’s owner hoping for a little attention. An alias can always be added to the /etc/alias…

Nginx: Locking Down The WordPress Backend By IP Address

I recently looked at the server logs for a new site that had just launched and noticed alot of hits by random IP addresses being made to the WordPress login script. Similar to the excerpt below:

Changing the web root of a cPanel acccount

As a rule I try to avoid cPanel for hosting sites, I find the overhead of the control panel and the limited flexibility too confining for all but the simplest of sites. Occasionally though I need to…

Mirroring a website with wget

Clueless clients and bad briefs can make a developers life very difficult at times so sometimes it comes in handy to be able to replicate a site in its entirety to review.

PHP CGI 504 Gateway Timed Out Errors With Nginx

Recently I noticed that the nginx error log for a site I was working with was filling up with timeout messages similar to below:

Raspberry Pi Overclocking

Like just like alot of other people as soon as the Model B Raspberry Pi went on sale in March I eagerly rushed out and ordered one from Element 14 .

Watching the progress of a dd action

dd is one of those indispensable Unix / Linux utilities whether its cloning or wiping a drive or simply creating a bootable flash drive from an image file. The problem is operations like wiping a…