If it’s a big pain when a workstation’s ssh keypair gets lost, back it up.
HOSTNAME=hostname
sudo cat /etc/ssh/sshhostdsakey > wskeys/sshhostdsakey.${HOSTNAME}
sudo cat /etc/ssh/sshhostdsakey.pub > wskeys/sshhostdsakey.pub.${HOSTNAME}
sudo cat /etc/ssh/sshhostrsakey > wskeys/sshhostrsakey.${HOSTNAME}
sudo cat /etc/ssh/sshhostrsakey.pub > wskeys/sshhostrsakey.pub.${HOSTNAME}
chmod go-r ws_keys/*.${HOSTNAME}
We’ve got a “data archive” here, where we store all of our raw fMRI data, for safe-keeping. Unfortunately, it’s hard to allow the kind of fine-grained access control which would allow people to insert new data but disallow alteration or removal of data.
The solution I’ve come up with is to use a caretaker pattern, […]
Check out that curve! Woo! I’ve got your logarithm right here!
I’m getting hit with Debian bug #278239. What’s happening is I upgraded the kernel on the server to 2.6.x (which gave a significant performance boost) and the standard dpti2o module has been subsumed by the i2oblock and associated modules. I guess the kernel headers changed too, along with the device names/numbers associated with managing […]
So, I transplanted the brains of one of my workstations today, taking out an aging k7 and stuffing in a new Athlon 64. This required some re-jiggering of my previous availability calculations, since the bogomips are low on these new Athlons. I decided to run a quick benchmark on all the machines and […]