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When returning from Ruxcon I took a Virgin Blue flight. The Virgin web site has a FAQ with the following advice regarding DVT: Drink plenty of water and other fluids during and after the flight, limiting alcohol, tea and coffee. However Virgin provide no free water on the flight and charge $2 for 350ml of […] The dunc-tank project was established to raise money to compensate some Debian developers who are essential to producing a timely release of Debian. There has been a lot of acrimoneous debate about whether this is a good or bad thing. The positive side of it is that the release managers will get to spend more […] Recently I visited my local Amcal pharmacy. When I was waiting to pay I noticed a large pile of cards on the country, they were customer loyalty cards with the names of customers printed on them. Also on the top of the pile was a Medicare card. The cards were placed face-down presumably to avoid […] This weekend I was in Sydney for Ruxcon. Ruxcon is a computer security conference with a focus on penetration testing and related skills. The presentation on Unusual Bugs by Ilya van Sprudel was particularly interesting. He spoke about a number of issues that could do with some improvement in Linux, I will file some bug […] A common problem with Linux systems is when Windows users press CTRL-ALT-DEL at the login prompt and reboot the machine. To fix this some people change the ^ca line in /etc/inittab to just disable the reboot function. However this is not desirable because sometimes you want to reboot a machine with a simple keypress. Another […] Today I was doing some network tracing and figured out how to track the start and end of TCP connections. The following tcpdump command will get all SYN, FIN, and RST packets on port 80 and all ICMP packets: tcpdump -i bond0 -n “port 80 and tcp[tcpflags] & (tcp-syn|tcp-fin|tcp-rst) != 0 or icmp” Also recently […] Bonding is one of the terms used to describe multiple Ethernet cables used to form a single virtual network link. This can be done for performance or reliability. Bonding for performance used to be common when 100baseT was the fastest network technology that was commonly available. In 1999 servers could usually sustain considerably more than […] At http://www.infodrom.org/Infodrom/fortunes/download/infodrom-linux there are a heap of quotes from Debian people, and more than a few from me. It’s strange reading my own writing in someone else’s quote file. Some things seem so removed from context that there is little point to them. For some things I couldn’t even remember writing them and had to […] For fun I just set up my own Planet. Reading both Planet Debian and Planet Linux Australia is a bit of a drag due to the overlap. So I wrote a little Perl script to extract the feeds from both those sources and generate a Planet configuration. My planet is publicly available in case anyone […] I recently watched the movie Super Size Me. Due to working some strange hours I’ve been eating more fast-food than usual recently and had experienced some of the symptoms that were featured in that movie. So now I have decided to improve my diet. From now on I will go hungry rather than eating from […] |
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