Mac OS X

Solution to 100% CPU Usage by Linux Guest on VMWare Fusion

As part of my testing setup, I have an Intel Mac Pro with Mac OS X 10.6 Server (which runs with the 64-bit kernel) on which I run VMWare Fusion 3.0.1 and several Red Hat virtual machines.

I noticed that even at idle, each VM was taking up a high amount (like 100%!) of a CPU core. Additionally, on one VM top was displaying in near-real-time, which was kind of neat but I doubt the intended behavior. Because of this, I suspected the time management in the kernel was off.

APC UPS and Snow Leopard Server Not Communicating

I have used APC (American Power Conversion) power equipment for a long time. I have had both good and bad experiences with their products (a cherished memory is calling their technical support and asking about the "smell of burning plastic" emanating from one of their units).

I've recently upgraded an Intel Mac Pro to Snow Leopard Server (OS X Server 10.6.2) and noticed that the controls in Energy Saver for the UPS are different. Not in a good way.

Here's the relevant screen from OS X Server 10.5.8:

Eudora, Snow Leopard and Kerberos

I upgraded to OS X 10.6 "Snow Leopard" yesterday. A smooth upgrade except for one thing.

Eudora 6.2.4 for Mac OS X works on 10.6 (provided the optional Rosetta PowerPC-emulation code is installed), but not with kerberos.

To use kerberized POP, Eudora depends on the Code Fragment Manager library "Kerberos" which is part of the MIT Kerberos Extras for OS X package.

The actual library is installed to /System/Library/CFMSupport/Kerberos and is a 983k file last updated in 2003. It's labeled version 4.2.

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Programmatically suspending, quitting, and resuming Parallels Desktop for scheduled backup

I wanted to do automatic scheduled backups with the awesomely amazing SuperDuper!. The computer to be backed up was a Mac Mini running Mac OS X 10.5 Leopard. But the problem was that Parallels Desktop was running all the time. And everyone knows that when you try to back up open files that may be changing, Bad Things Happen.

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