Xen CPU use per DomainXen CPU use per Domain
The command “xm list” displays the number of seconds of CPU time used by each Xen domain. This makes it easy to compare the CPU use of the various domains[...]
A Basic IPVS ConfigurationA Basic IPVS Configuration
I have just configured IPVS on a Xen server for load balancing between multiple virtual hosts. The benefit is not load balancing but management. With two virtual machines providing a[...]
Time Zones and Remote ServersTime Zones and Remote Servers
It’s widely regarded that the best practice is to set the time zone of a server to UTC if people are going to be doing sys-admin work from various countries.[...]
A New Strategy for Xen MAC AllocationA New Strategy for Xen MAC Allocation
When installing Xen servers one issue that arises is how to assign MAC addresses. The Wikipedia page about MAC addresses [1] shows that all addresses that have the second least[...]
New HP ServerNew HP Server
I’ve just started work on a new HP server running RHEL5 AS (needs to be AS to support more than 4 DomU’s). While I still have the Xen issues that[...]
Lenny SE Linux on the DesktopLenny SE Linux on the Desktop
I have been asked about the current status of Lenny SE Linux on the Desktop. The first thing to consider is the combinations of policies and configurations. I will number[...]
Used Car PricesUsed Car Prices
There is an interesting article in The Age about the effect of petrol prices on the poorer people in Melbourne [1]. The article claims that people are unable to sell[...]
On Talking to PoliceOn Talking to Police
The lecture by Professor James Duane about why you should not talk to the police (in the US at least) is doing the rounds at the moment. The Google video[...]
Upgrading SE Linux PolicyUpgrading SE Linux Policy
When I first packaged the SE Linux policy for Debian the only way to adjust the policy was to edit the source files and recompile. Often changes that you might[...]
Postfix and chrootPostfix and chroot
I have written a script named postfix-nochroot to disable the chroot functionality of Postfix. I plan to initially include this in the selinux-basics package in Debian, but if the script[...]