mdadm  doesn’t record the raid settings automatically, after you set everything up, you have to remember to save the mdadm.conf file. Anyway, I forgot to do that, and on reboot, it hung my machine So here is how I recovered it. originally, my stripe was created with: mdadm -C /dev/md0 –level=raid0 –raid-devices=2 /dev/hda3 /dev/hdc1 and so […]

Mac OS X has fairly good memory management but it’s not perfect, and sometimes RAM can be held unnecessarily in the “inactive” state despite the contents no longer being needed. If you’ve been participating in memory heavy activities or you just need to free up some available RAM you can actually force Mac OS X […]

You may have noticed that “yum install apt” results in “nothing to do.” However, you can install it using YUM (centos uses YUM instead of APT). Since it requires downloading from a third party source (RPMforge). Please do so at your own risk. Download and install the rpm forge release, which will enable YUM to […]