Sometimes we just run out of space in filesystems. Whether due to lack of understanding of application storage needs, poor planning or we just need extra space for a development effort, we find it necessary to add disk. Virtualization gives us the ability to quickly provision new virtual disks that behave identically to physical ones. [...]
Posts under ‘Linux’
Propagate SSH keys across a Linux Cluster
If you build and manage Linux clusters, you need to easily SSH and SCP among all the nodes without entering a password each time. Some cluster software requires that ability, so it can move files and software and run commands among all the members. Oracle RAC is an example. The Clusterware Verification Utility will fail [...]
Mini-ITX Appliance Update 2
So late last week I received the fan replacement I ordered. This one is a little more than half the noise volume of the original: 25 dBA vs. 42 dBA. I can’t hear this fan over my desktop computer, which has loud fans all over the place. I built that one for gaming about six [...]
Mini-ITX Appliance Update
I have finally gotten around to writing about progress on the Mini-ITX appliance. It’s built, has Fedora 11 on it, and I have a couple hardware related changes to make. One, is that the Mainboard shipped with a rather loud CPU fan. So I looked for a 40mm 4-pin fan with no luck, so I [...]
Write a UDEV rule to automatically back up your USB thumb drive when its plugged in
Have you ever wanted to run an external program when your USB thumb drive is plugged in? For example, it could be handy to automatically back up its contents to the local hard drive. This will save your butt in case you do something foolish and delete everything on it. (I’ve done this). So here’s [...]
