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In a comment on my previous post about SE Linux and worms/trojans [1] a user enquired about which methods of gaining local root are prevented by SE Linux.
A local exploit is one that can not be run remotely. An attack via TCP or UDP is generally considered a remote exploit – even though in […]
Paul Russell writes about his 3-yearly laptop replacement at IBM [1]. It probably makes some sense to replace laptops periodically for a large company, but if you are buying for personal use then it makes sense to try and get a longer life out of an expensive machine. I think that aiming for 6 years […]
Bruce Schneier has just written about the Storm Worm [1] which has apparently been quietly 0wning some Windows machines for most of this year (see the Wikipedia page for more information [2]).
I have just been asked whether SE Linux would stop such a worm from the Linux environment. SE Linux does prevent many possible […]
When running SE Linux you will notice that most applications are not permitted to run with an executable stack. One example of this is libsmpeg0 which is used by the game Freeciv [1]. When you attempt to run the Freeciv client program on a Debian/Etch system with a default SE Linux configuration (as described in […]
There seems to be a recent trend towards home-schooling. The failures of the default school system in most countries are quite apparent and the violence alone is enough of a reason to keep children away from high-schools, even without the education (or lack therof).
I have previously written about University degrees and whether they are […]
There is a wide-spread myth that swap space should be twice the size of RAM. This might have provided some benefit when 16M of RAM was a lot and disks had average access times of 20ms. Now disks can have average access times less than 10ms but RAM has increased to 1G for small machines […]
I have just read an interesting post about Gear Acquisition Syndrome [1] as applied to the guitar industry. Apparently it’s common for people to spend a lot of time and money buying guitar equipment instead of actually playing a guitar. I think that this problem extends way beyond guitars and to most aspects of human […]
A fairly common request is to be able to duplicate a Xen instance. For example you might have a DomU for the purpose of running WordPress and want another DomU to run MediaWiki. The difference in configuration between two DomU’s for running web based services that are written in PHP and talking to a MySQL […]
A significant problem with the old-fashioned media is that as a general rule they don’t cite references for anything. Some of the better TV documentaries and non-fiction books cite references, but this is the exception not the norm. Often documentaries only cite references in DVD extras which are good for the people who like the […]
My post about Why Hydrogen Powered Cars Will Never Work has received a record number of comments. Some of them suggested that carbon geo-sequestration (storing carbon-dioxide at high pressure under-ground) is the solution to the climate change problem. The idea is that you can mix natural gas or coal gas with steam at high temperature […]
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