I think that you should prewire experimental racks for power. By thisI don't mean just making sure that they have some PDUs in them; I meanrunning actual power cords up the sides, with unconnected ends tiedoff every so often ready to be plugged into machines. If you turn outto need more power cords for a machine, don't try to run more powercables along the side unless they too are going to be permanent; justdangle them down the back, where they are easy to

A modern Unix system carries around with it all sorts of historicalrelics . One of them is /usr/share , whichwas a relic of another era until recently (when multi-architecturemachines started appearing).

Once, by now long ago, disk space was a lot more limitedand heavily NFS dependent networks were much more common . Because disk space was so scarce, youdidn't put big locally-built programs like TeX or Emacs or the latestX Windows on every machine's disk; generally

Dear F-Spot and similar applications: please understand that I alreadyhave a digital photo 'workflow'. However peculiar it is, it works finefor me and I have no interest in having you replace it; all I want todo is edit a photo every now and then. Can't you just let me do that,without making me import all of my photos into your world or otherwisegoing through all sorts of contortions?

Or in short: if you make me choose all or nothing, I

There are a number of schemes for dealing with spam that boil down to'people will get SSL certificates, you only accept email with a validcertificate, and if people still spam the certificate authority willrevoke their certificate'. There is a simple, core problem with theseschemes:

Certificate revocation never works.

Certificate authorities are paid by the people who they issuecertificates to, not by the people accepting those certificates. Thepeople who provide the money do not want their certificates revoked, andso it is not in