There are many different ways to test whether a network port is listening on a system, including GUI port scanners, Nmap and nc. Although all of those can work well, and even I find myself using Nmap more often than … Continue reading →

Amazon have extended the CloudWatch monitoring to include some Linux scripts. These scripts run in the background and can push system metrics to CloudWatch. The following metrics can be obtained: Memory Utilisation – Memory allocated by applications and the operating … Continue reading →

Until now the rebuild of a server meant to me burning the disc or preparing a USB stick and going for a trip to wherever the machine was hosted. Now I have learned how to rebuild remotely a (working and … Continue reading →

Recently, I noticed an issue with cPanel and mail quotas. The problem was, cPanel was showing that an account was over quota when there was actually no mail. This issue stems from a rare issue with corrupt maildirsize files. The … Continue reading →

SSL certificates form the backbone of online shopping, as they provide the vendor verification and data encryption that makes e-commerce a safe and viable retail option. However, due to support for older, legacy encryption methods, the current implementations of the … Continue reading →

We have recently been looking into MariaDB as an alternative to MySQL, since it seems to be all over the place at the moment with organisations like Wikipedia and Fedora investigating its use it looks as though its going to … Continue reading →

There is a new Maintenance and Security Release for WordPress. The new version is version 3.5.1. It fixes 3 quite serious issues : A server-side request forgery vulnerability and remote port scanning using pingbacks. This vulnerability, which could potentially be … Continue reading →

The problem You have devoted many hours of your time to a particular PHP framework; you understand all of it’s cool libraries (database interaction, form builders, API integration etc) and can build projects quickly using this framework. Now, for whatever … Continue reading →

DTRX is an open source application which is probably more useful for home/office users rather than server users, but I still found it a useful tool to have, to save time. DTRX stands for “Do The Right Extraction”, all the … Continue reading →

While working with Alfresco files I had to search and find numerous strings within XML files. The task included replacing Hex Colour Codes, this was achieved by using the following Vim command: :s/#code1/#code2 Replaces the first instance of #code1 with … Continue reading →