doh

Fix ntp time sync in virtual machines with kvm-clock

If your host system uses Time Stamp Counter and Virtual Machine guests use kvm-clock, then you should not use ntp on the guest. But what if you sync the physical host to a good Internet time source and just sync the virtualized guest to itself?

How to change tires in Gran Turismo 5

One of the best things you can do for any car is to give it better shoes. 500+ horsepower is useless if you can’t get that power to the ground. While in the tuning shop, you can buy tires and it will ask if you want to install them now. This is one way to change the tires, but many races require a specific type of tire. What if you want to change to another set of tires you already own?

Prevent your company from remote wiping your Android phone

An unlucky victim had her iphone erased by mistake. This was made possible because she had an application that allows her to sync with a Microsoft Exchange Server. Even though this was her own person phone, an Exchange admin was able to wipe out her data. Keep backups of your data, limit access controls, and be mindful anytime you install or update an application.

Variable persistence between pre and post sections in kickstart

The pre-install is not inside a chroot environment, so whatever variables you set or export are only available for use outside of a chroot. And that’s the problem with the post install section, by default anyway.

Hal breaks mounts with custom udev rules

f you’re mounting a file system via custom udev rules, hal does not populate /media/.hal-mtab. When a desktop user attempts to unmount the file system, hal complains that it doesn’t know anything about that file system and gives you a friendly message about console users that may have mounted it.

Recover files when lsof wont help you

What if there’s no open file to be found, then what? If you were looking for some sort of media file, it might be easy to use a memory based distro with tools like photorec

Run Fedora 12 for PowerPC on Intel x86 with qemu-system-ppc

You’ve probably found an endless supply of URLs where people complain that they can’t get anything to boot with qemu-system-ppc and many supposed guides to follow that work. It’s almost impossible to find functional examples of how to run qemu-system-ppc without a kernel panic, core dump, or ending up in bios limbo. So here’s one way I came up with that works for me.