It seems that Netflix has an ongoing issue of not working well with IPv6, apparently they have some sort of region checking code that doesn’t correctly identify IPv6 prefixes. To fix this I wrote the following script to make a small zone file with only A records for Netflix and no AAAA records. The $OUT.header […]
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I’ve recently signed up for Internode NBN while using the Arris CM8200 device supplied by Optus (previously used for a regular phone service). I took the configuration mostly from Dean’s great blog post on the topic [1]. One thing I changed was the /etc/networ/interfaces configuration, I used the following: # VLAN ID 2 for Internode’s […] Wifi usually just works. In the past I haven’t had to worry much about performance as for home use things have always been bearable and at work it’s never been my job so I just file a bug report with the relevant people when things go wrong. But a few years ago I had some […] I decided to start work on repeating the tests for my 2006 OSDC paper on Benchmarking Mail Relays [1] and discover how the last 15 years of hardware developments have changed things. There have been software changes in that time too, but nothing that compares with going from single core 32bit systems with less than […] I’ve been investigating the options for tracking system statistics to diagnose performance problems. The idea is to track all sorts of data about the system (network use, disk IO, CPU, etc) and look for correlations at times of performance problems. DataDog is pretty good for this but expensive, it’s apparently based on or inspired by […] For the Linux Users of Victoria (LUV) I’ve run video conferences on Jitsi and BBB (see my previous post about BBB vs Jitsi [1]). One issue with video conferences is the bandwidth requirements. The place I’m hosting my video conference server has a NBN link with allegedly 40Mb/s transmission speed and 100Mb/s reception speed. My […] I’ve just got a Dell R710 server for LUV and I’ve been playing with the configuration options. Here’s a list of what I’ve done and recommendations on how to do things. I decided not to try to write a step by step guide to doing stuff as the situation doesn’t work for that. I think […] I previously wrote about how I installed the Jitsi video-conferencing system on Debian [1]. We used that for a few unofficial meetings of LUV to test it out. Then we installed Big Blue Button (BBB) [2]. The main benefit of Jitsi over BBB is that it supports live streaming to YouTube. The benefits of BBB […] I’ve just setup an instance of the Jitsi video-conference software for my local LUG. Here is an overview of how to set it up on Debian. Firstly create a new virtual machine to run it. Jitsi is complex and has lots of inter-dependencies. It’s packages want to help you by dragging in other packages and […] If you have multiple PHP web sites on a server in a default configuration they will all be able to read each other’s files in a default configuration. If you have multiple PHP web sites that have stored data or passwords for databases in configuration files then there are significant problems if they aren’t all […] |
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