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Recently there has been some really hot weather in Melbourne that made me search for alternate methods of cooling. The first and easiest method I discovered is to keep a 2L bottle of water in my car. After it’s been parked in the sun on a hot day I pour the water over the windows. […] As part of my work on Xen I’ve been playing with Xephyr (a replacement for Xnest). My plan is to use Xen instances for running different versions of desktop environments. You can’t just ssh -X to a Xen image and run things. One problem is that some programs such as Firefox do strange things to […] I have been asked for advice about long-term storage of documents. I decided to blog about it because my thoughts may be useful to others, and because if I get something wrong then surely people will correct me. ;) Many organizations are looking at using computers for storing all documents. This gives savings on the […] The issue of core file management has come up for discussion again in the SE Linux list. I believe that there are two essential security requirements for managing core files, one is that the complete security context of the crashing process is stored (to the greatest possible extent), and the other is that processes with […] Michael Davies recently blogged that all developers should have big screens. This news has been around for a while, the most publicity for the idea came from Microsoft Research where they did a study showing that for certain tasks a 50% performance increase could be gained from a larger monitor. If you consider that a […] There’s a blog about Windows Vista as the Free Software Foundation site. Not much content yet apart from RSS links but it should have some potential in future. I am not planning on tracking Vista in detail (not enough time), but if you want to track such things then the FSF site should be useful. […] disk = [ ‘phy:/dev/vg/xen1,hda,w’, ‘phy:/dev/vg/xen1-swap,hdb,w’, ‘phy:/dev/vg/xen1-drbd,hdc,w’, ‘phy:/dev/vg/san,hdd,w!’ ] For some work that I am doing I am trying to simulate a cluster that uses fiber channel SAN storage (among other things). The above is the disk line I’m using for one of my cluster nodes, hda and hdb are the root and swap disks for […] It seems that no-one has documented what needs to be done to correctly run multiple Ethernet devices (with one always being eth0 and the other always being eth1) in a Linux Xen configuration (or if it is documented then google wouldn’t find it for me). vif = [ ‘mac=00:16:3e:00:01:01’, ‘mac=00:16:3e:00:02:01, bridge=xenbr1’ ] Firstly I use […] In my previous work as a sys-admin I have worked for a number of companies that depend heavily on free software. If you use a commercially supported distribution such as Red Hat Enterprise Linux then you get high quality technical support (much higher than you expect from closed-source companies), but this still doesn’t provide as […] |
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