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Problem-solving by Apple Certified Professionals
Mar
16

How to clear the local DNS cache OS X 10.5 - 10.10

OS X Yosemite 10.10

Clear MDNS (Multicast DNS) and UDNS (Unicast DNS)

sudo discoveryutil udnsflushcaches

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Mar
09

Apple Configurator is DEP aware

Since version 1.6, Apple Configurator has been DEP aware. Prior to this version, if you used Apple Configurator to update he iOS en-masse on a group of iOS devices, it would activate the devices irregardless of their DEP status. With version 1.6 and newer, if your device is in Apple's Device Enrollment Program and associated with a MDM server in your DEP portal, Apple Configurator will update the iOS but will not activate the device.

As you can see, upon initial inspection, it appears something went wrong. However, if you dig a bit deper:

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Dec
04

How to send Ctrl-Alt-Del to a Windows 2012 server from a Mac Keyboard

How-to-send-Ctrl-Alt-Del-from-a-Mac-Keyboard_20141204-173712_1.pdf

Nov
17

Exporting Users and Groups in OS X Server for Yosemite

With Workgroup Manager's departure in OS X Server for Yosemite, administrators are left without a GUI-based way to export users and groups out of Open Directory. While Workgroup Manager contained funcitons for both importing and exporting records, the Server app only has the ability to import records from properly formatted files (like the files that Workgroup Manager would generate). Thankfully, we have a full suite of "ds" commands on the command line to generate the files for us.

For Users:

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Nov
17

createinstallmedia a one-time thing in Yosemite

It is well documented in Apple Support articles, the OS X Support Essentials Book, and on other sites about using the createinstallmedia command to make a full OS X Install disk. However, with Yosemite, while the command still exists and using the disk you created for an install works the first time, an issue seems to occur on older Macs (non-retina, circa 2012 and older) on subsequent installs.

The OS X Installer's standard operating procedure is to create/update the recovery partition and then restart into the recovery partition. However, on subsequent installs with a Yosemite-created full OS X Install disk, the recovery partition is not created or updated on older Macs. The installer also looks different, a customize button exists, and you able to turn off the installer components!

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