Last week’s techmail was Using rsnapshot to back up and retain snapshots. Rsnapshot is pretty slick; the tip goes into the how and the why, but now that I’ve found this thing I think it’s going to replace my home-brew rsync backup solution. I use subversion to retain old backups as far as the entire /etc directory goes, but that only really covers configuration changes. With rsnapshot, I can retain backups of all the web server stuff and other things of interest that I backup, and keep historical backups with minimal overhead, something that really appeals to me.