Tag Archives: linux

Lindsay made me do it!

While at the Waugh Partners launch party tonight, a bunch of people, mainly Lindsay asked for some details on what I’d be talking about at SLUG on Friday. I thought that was a very good question and that I should make something up So for those that are wondering I will attempt to cover the [...]

iptables evilness

Matt came to me with an interesting problem at Bulletproof this week. We have a dedicated hosting customer who talks to an external application for e-commerce. The IP for this was going to change but they needed to do to some testing before the switch. As usual with most enterprise applications, the hostname was hard [...]

250!

We’ve just hit 250 registrations for linux.conf.au, only 5 days to go before early bird registrations close. So here are some interesting stats of the attendee breakdown so far: By Country Country Number Brazil 1 Canada 1 France 1 Ireland 1 Liberia 1 Nigeria 1 China 1 Singapore 1 Spain 1 UK 1 Croatia 4 [...]

ThinkingLinux ’06

ThinkingLinux ’06 was held in Melbourne a few days ago. It was organised by Synergy Plus with sponsorship by RedHat. Novel and a few others. I gave a talk on Open Source in the Data Centre. Luckily this talk was after lunch so I got to do some editing in the morning sessions to tweak [...]

Open Source in the Data Centre

Next Tuesday (17th Oct) I’ll be giving a presentation at Thinking Linux ’06 in Melbourne. The talk is entitled Open Source in the Data Centre and I’ll be covering things like Load Balancing “Stuff” (IPVS, keepalived, heartbeat) Monitoring using Nagios and MRTG/rrdtool Authentication with OpenLDAP anf FreeRADIUS and a whole lot of other random things [...]

Build your own ISP

I’ve finally gotten around to putting up the slides for my Build your own ISP talk I gave at Software Freedom Day and DEBSIG. You can find them on my Presentations page or a the direct link to the PDF here. The slides are fairly sparse, the talk was a bit of a brain dump [...]

TCP Window Scaling and kernel 2.6.17+

So I was tearing my hair out today. I’d installed Ubuntu onto a new Sun X4200 so that I could migrate Bulletproof’s monitoring system to it. (Note you need to use edgy knot-1 for the SAS drives to be supported). Anyway as I was installing packages I was getting speeds like 10kB/s. Normally I would [...]