Category Archives: tutorials

How to rescue aborted QuickTime Player audio recordings

Know that feeling when you remember you don’t have your keys while you are closing a locked door? It’s the same feeling as when you use QuickTime Player to record some lengthy audio, and you remember you didn’t stop the recording while you are putting the … Continue reading

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Traffic micro-management: limit network bandwidth used by an OS X process

Problem: you have some silly uploader app that only knows one speed: maximum. You would love a way to make that app back off so it doesn’t saturate your uplink and badly impact the other things using your network. Previously in … Continue reading

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Traffic Shaping with pfSense and HFSC

Traffic Shaping with pfSense and HFSC (youtube) This screencast demonstrates the use of a pfSense device for traffic shaping on a typical home network, with the goals of minimizing latency and maximizing throughput. In particular, we use a three-tier queue configuration … Continue reading

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LDAP client: local static and variable mappings

I was recently discussing Mac OS X / Active Directory integration with a friend, and one of the things I mentioned was the local static / variable mappings feature of the Mac OS X LDAPv3 plugin. After some fairly extensive … Continue reading

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get notified!

Mac OS X makes extensive use of a variety of event notification mechanisms, as described here. One such mechanism is documented in the notify(3) man pages, and it is these types of libnotify notifications that are the focus of this … Continue reading

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Applied Kerberos troubleshooting

The following is an IRC transcript taken from #afp548, irc.freenode.net. It chronicles the troubleshooting process of a fairly well-hidden edge case of Kerberos configuration in Mac OS X Server. pastebin.ca was used to relay larger hunks of textual information; I’ve … Continue reading

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Tiger Server servermgrd library for Python

motivation I finally found a reason to write some Python. Being something of a monitoring and data junkie, I’ve had a fair amount of experience with snmp, data mining scripts, etc. After writing this post to the server list, I … Continue reading

Posted in development, OS X Server, scripts, tutorials | 17 Comments

X11 mobility with Xmove

X11 is a windowing system for *nix computers. There is one point about X11 that needs to be understood before anything that follows will make sense, so I’ve cribbed the following bit from the X11 wikipedia page to explain: X … Continue reading

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The Journeyman’s Guilde to Quicktime Presentations

This guide will demonstrate a method for creating multi-track, multi-media, self-contained quicktime movies. A good example of this would be the presentation format where there are multiple tracks of media that need to be coordinated with specific timings. Perhaps there … Continue reading

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Cacti in Tiger Server

Install XCode Install and configure darwinports Download the newest version from macosforge. Add the darwinports paths to your shell config file. e.g. PATH=”/opt/local/bin:/opt/local/sbin:/usr/local/bin:/usr/local/sbin:$PATH” Update the ports collection sudo port -d selfupdate Install rrdtool from darwinports Execute the following to install … Continue reading

Posted in OS X, OS X Server, tutorials | 3 Comments