On Fri, Mar 7, 2008 at 6:31 PM, Herbert Graf wrote: > > > > What your looking for is in man 8 mount. > > > > mount -r /dev/sda1 > > > > -r Mount the file system read-only. A synonym is -o ro. > > Any pointers on how I would go about doing this for something that is > automounted by default (I'm using Ubuntu), without affecting all devices > that are automounted? > If you don't mind a manual step, you can use mount with the 'remount' option to change it to read only. Otherwise you'll need to make a udev rule like Xiaofan mentioned. The controls are very fine grained if you need them to be, ie you can use serial numbers for identification of hard drives. Alex -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist