Archive for the ‘advocacy’ Category

Further bugs in switches

Thursday, August 7th, 2008

Further to my {{post id="opennms-and-bugg-switches" text="previous post"}} on the topic of uncovering bugs in switches with network monitoring systems, I have two more bits of news: The first is that the vendor has given me a new firmware for one of the switch models which fixes the bug. Apparently it was ...

Xen partially merged into linux kernel

Sunday, July 22nd, 2007

It's been a long time coming, but the first parts of Xen have been finally merged into upstream codebase for the linux 2.6.23 kernel.  Announcements here, here and here.  Worth reading Simon Crosby's announcement, as it actually has some information about what is and isn't being merged. Specifically, this is ...

XenSource ‘Simply Virtualize’

Wednesday, April 18th, 2007

The XenSource 'Simply Virtualize' tour made it's way to NZ this week, with a 3 hour set of presentations at Microsoft House yesterday afternoon. We had a good catchup with John Glendenning from XenSource on Monday, but I can't talk about most of that. The presenters at the event were XenSource, ...

Xensource and VMWare performance comparison

Saturday, March 31st, 2007

I was discussing Xensource with a potential client a few weeks ago, and was fairly surprised when they pulled out a performance comparison of VMWare and Xen, which showed VMware massively outperforming Xen in several tests. On further inspection, it was fairly obvious that VMWare's tests used the open-source version ...

Puppet – a system configuration tool

Wednesday, March 7th, 2007

I saw a couple of blog posts about puppet recently. I've been meaning to investigate cfengine for a while now, and puppet was a new angle on the same problem. From the intro: Puppet is a system configuration tool. It has a library for managing the system, a language for ...

2.6.16 sensibleness

Monday, April 24th, 2006

From a post on Ian McDonald's Blog: Is it me or is it crazy the pace of point releases at the moment? Do we really need four kernels in three days? Actually it's just you, and perhaps a few others, who for some reason still don't see any point in the 2.6.x.y ...