Archive for category: OS X

Coping with curl on Mavericks

Coping with curl on Mavericks

Of the UNIX tools shipped with OS X, curl has become one of the most used in recent years, whether as a simple URL fetcher, or a component of much larger projects. It takes any URL as an argument, and reliably fetches it, as well as giving many additional options […]

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Episode Four – Don’t Stab Yourself in the Leg, Then

When we last caught glimpse of our heroes, MacSysAdmin Conference was still around the corner and there was nothing automatic about damage. Here in episode four, Ed Marczak turns the (significantly less echo-y) microphone on Graham Gilbert for a reverse-interview, and juicy confessions emerge, like their shared, scandalous predilection for… […]

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AutoDMG, a modern replacement for InstaDMG

AutoDMG, a modern replacement for InstaDMG

At MacSysAdmin 2013, Per Olofsson started work on InstallESDtoDMG, a replacement for InstaDMG.  The first prototype was on a piece of paper: InstallESDtoDMG prototype 0.1 pic.twitter.com/E0fiPHkOMq — Per Olofsson (@MagerValp) September 19, 2013 Per was having trouble with InstaDMG and the then-current Developer Preview of Mavericks, and decided to write […]

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Modifying the OS X Mavericks Authorization Database

Versions of OS X prior to Mavericks had a file located at /etc/authorization, which controlled the rights for many different actions, such as adding a printer, changing the time, or setting up Time Machine.  These rights were based on groups, and many admins modified this file so that users who […]

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OS X Mavericks is Out (and Free!)

OS X Mavericks is Out (and Free!)

Apple today announced immediate availability of OS X Mavericks, along with major upgrades to the MacBook Pro, Mac Pro, and iPad lines. With its many new features, Mac admins will be inclined to upgrade quickly, especially since Mavericks is free for all supported machines. We are putting the finishing touches […]

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Enabling Location Services Programmatically

Enabling Location Services Programmatically

Location Services is an important part of OS X, but it is not obvious on how to enable it without going through the System Preferences GUI.  The preference that controls it is not in /Library/Preferences, and due to cfprefsd it is hard to find. Thanks to Tim Sutton for help […]

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Making an OS X Template for use with vSphere 5.1

If you use ESXi/vSphere, then you may know how handy templates can be for rolling out new services, test boxes and the like.  Apparently you can makes templates for vSphere that have never been booted (zero chance of cruft to mess with your testing).  Check out Mads’ blog for details on […]

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SMB2 & You: Saying Goodbye to AFP in OS X Mavericks

SMB2 & You: Saying Goodbye to AFP in OS X Mavericks

One of the biggest announcements from Apple with OS X Mavericks was not part of the WWDC 2013 keynote.  Instead, it is buried deep in a technical document on Apple’s site.  This is the announcement that the Apple Filing Protocol (AFP) is being deprecated in favor of Server Message Block […]

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OS X Mavericks Core Technologies Overview

OS X Mavericks Core Technologies Overview

Apple has posted a document highlighting the core technologies of OS X Mavericks, which includes some changes from Mountain Lion. Among the new features is a change to the default file sharing protocol from AFP to SMB2.  OS X has long supported SMB, but AFP has remained the default.  AFP […]

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OS X Configuration Profiles review and gotchas: compositing not included?

OS X Configuration Profiles review and gotchas: compositing not included?

One of the issues Mac admins have with OS X’s Configuration Profiles system is that using OS X Server to build a Profile allows only subset of the management “scope” that is provided using MCX / Managed Preferences. Specifically, any configuration profiles made with Profile Manager are the equivalent of […]

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