Archive

Kernel Building

One of the scariest moments in many Linux users’ lives is the moment when they ask someone for help, and they get the reply, “You really have to/need to/should recompile your kernel to make that work.”

In this article, I hope to take some of the fear out of the process, and make it all a bit less intimidating. This article is aimed at the user who is familiar with the use (or at least the basic concepts) of file storage and the command line, but doesn’t necessarily know about compiling things from source.

What is a [continued…]

Xen

About Xen

Xen allows you to run multiple operating systems, currently Linux (2.4 and 2.6 kernels) and NetBSD, concurrently on one PC. Xen is particularly useful for systems administrators, ISPs, and ambitious/technical home users wishing to add security to their systems. Xen is notable for its very small drop in performance of the virtual machines compared to other solutions such as LinuxHints/UserModeLinux.

For more information take a look at the following web pages:

For a more detailed introduction take a look at [continued…]

5th November2005

When: 10:30 – 16:30, Saturday 5th November 2005

Where: ParkHallChurchHall

Who was there

3rd September2005

When: 10:30 – 17:00, Saturday 3rd September 2005

Where: SyanTSD

Who was there

What to do when you’ve been hacked

Initial handling

First of all, don’t panic – it won’t help anything. Personally I want to try and track down the pile of slime that did this. That means trying to preserve all data, logs and possibly sniffing network traffic. However you also need to weigh up the risk of further damage to (or from) your compromised system.

Change all your passwords and any other data that might have been grabbed from the compromised system – e.g. credit card details etc. You should also check any other systems that you use from that machine or that are on the [continued…]