some random Linux tipssome random Linux tips
echo 1 > /proc/sys/vm/block_dump The above command sets a sysctl to cause the kernel to log all disk writes. Below is a sample of the output from it. Beware that[...]
coolingcooling
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[...]
XephyrXephyr
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.[...]
document storagedocument storage
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[...]
core filescore files
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,[...]
monitors for developersmonitors for developers
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[...]
Windows VistaWindows Vista
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[...]
Xen shared storageXen shared storage
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[...]
multiple ethernet devices in Xenmultiple ethernet devices in Xen
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[...]
installing Xen domU on Debian Etchinstalling Xen domU on Debian Etch
I have just been installing a Xen domU on Debian Etch. I’ll blog about installing dom0 later when I have a test system that I can re-install on (my production[...]