I am currently working with some text files from which I have to extract some data. Generally, when you have to do this kind of work on a *nix machine, you use cut or awk. However, even for simple tasks cut is superseded by the mighty awk. Let’s look at the following examples which are
[Continue reading]

Since now I have 4 virtual machines to administer for my dissertation project, I have to find ways to do sysadmin stuff as quickly as possible and to concentrate my efforts on software development. If you ever did a kernel update you would know that a kernel upgrade will not remove the old kernel artefacts,
[Continue reading]

Dear all, I am running a survey for my dissertation project to collect some useful data that might help me shape the application that I am going to build. If you have previously used Ubuntu your input will be much appreciated. It shouldn’t take you more than 5 – 10 minutes to complete the form.
[Continue reading]

Notices: VMware has declared VMware Server End Of Availability on January 2010 with the actual support ending on June 30th, 2011. More details can be read here. Furthermore, VMware Server is not officially supported on Ubuntu releases greater than 8.04. The VMware Server console plug-in won’t work on Firefox versions older than 3.6 (I have
[Continue reading]

I have never been an Adobe fan and something tells me that I won’t change my mind soon. One of the main reasons for which Linux had problems being a “normal” operating system for a quite long period of time (although there were other issues as well, but not as visible at this one) was
[Continue reading]

There are a lot of tutorials online that will tell you how to secure your SSH server. Most of them will tell you not to allow the root account to login, to use only keys for authentication and possibly to change the port on which your server listens from 22 to any other. Although this
[Continue reading]

Sharing your Internet connection is the poor man’s way of creating an access point using one of your PCs as the gateway. This implies that the PC (gateway) that you want to use for this has two network cards: an Ethernet card (NIC) connected to a network (LAN) with Internet access a wireless network interface
[Continue reading]

Continuing the tradition of my blog this is going to be another post about VMware Server on the latest kernels provided by the most popular distributions. This is actually an example of a paradox because I don’t use this hypervisor any more, exactly due to the patching that has to be done. Still, there are
[Continue reading]

Today I was faced with the challenge of using two JVMs on the same machine. And let me tell you that whenever you have to do this, things get dirty. Basically I was forced to install an additional 32-bit JVM for Rodin, the IDE we use at faculty for Event-B modelling, because the developers of
[Continue reading]