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I’m setting up a training environment based on Xen. The configuration will probably be of use to some people so I’m including it below the fold. Please let me know if you have any ideas for improvements.
The interface for the user has the following documentation:
sudo -u root xen-manage create centos|debian [permissive] Create an […]
Is Squid not returning some data you need on a SE Linux system?
The default configuration of the SE Linux policy for Squid only allows it to connect to a small number of ports which are used for web servers. For example ports http (80) and https (443) are labelled as http_port_t which permits serves […]
I have just read an interesting article titled Why Crunch Mode Doesn’t Work [1] which documents the research on efficiency vs amount of time spent working (and by inference amount of time spent on leisure activities and sleep). It shows that a 40 hour working week was chosen by people who run factories (such as […]
Other Unix systems apparently calculate the load average differently to Linux. According to the Wikipedia page about Load(computing) [1] most Unix systems calculate it based on the average number of processes that are using a CPU or available for scheduling on a CPU while Linux also includes the count of processes that are blocked on […]
Yesterday I received an unsigned notice in the mail from some residents of an area comprising my street and an adjacent one. They advised me that their children were going to do the Halloween thing and that if I wanted to be involved I should leave my porch light on. This is a really good […]
I am running a tutorial and giving a talk about SE Linux at SecureCon 2007 [1].
The tutorial will go for 3 hours on Wednesday the 7th of November and will cover using SE Linux in CentOS 5 and Debian Etch, it will be a hands-on tutorial where every delegate gets ssh access to their […]
After over a year I have finally got a SE Linux Play Machine online again.
The details for logging in are at this link [1]. I’ve created T-shirt and mug designs with the login details too, they are on cafepress.com LINK [2]. For fun wear such a shirt to a conference (or even when shopping […]
I have previously posted about the difference between using a chroot and using SE Linux [1].
Theo de Raadt claims that virtualisation does not provide security benefits [2] based on the idea that the Xen hypervisor may have security related bugs.
From my understanding of Xen a successful exploit of a Xen system with a […]
I’ve been asked for my opinion of senatoronline.org.au which claims to be Australia’s only internet-based political party. The claim may be correct depending on what you consider to be “Internet based“. Here is a copy of their platform from their web site: Senator On-Line is not aligned to any other political party… it is neither […]
I have just read Career Development for Geeks [1] by Erik de Castro Lopo [2]. It makes some interesting points about a traditional approach to an IT career. The path I followed for most of my career (after I had a few years experience) was to work as a contractor and happily leave jobs without […]
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