On Tue, 2007-10-23 at 03:23 +0100, Timothy Murphy wrote: > Konstantin Svist wrote: > > >> Finally, I found the USB stick was (perhaps not surprisingly) > >> mounted read-only, so one could not eg add a user; > >> or rather, one could, but it was not there on re-booting. > > > Not that it helps, but... > > you should remember that Flash drives have a fairly limited number of > > write cycles - so keeping it read-only most of the time is probably best > > for you in the long run. > > I've seen wildly varying estimates of the number of writes allowed. > I suspect the number has increased enormously with newer flash drives. > I just bought an 8GB flash drive from memoryC, > and there wasn't any warning of the life-time. This made me spend money !! Over 10 year life time http://www.corsairmemory.com/_faq/FAQ_flash_drive_wear_leveling.pdf I am running a full F7 install on an 8GB stick Could have had a 250/500GB SATA disk for the same money - but what the heck !! John > > > But if you reallyl need it, you should be able to remount it as > > read/write with "mount -o remount,rw /" > > Actually, I'm quite puzzled by this. > I did give this command. > Before I gave it, "mount" showed /dev/sdb1 as ro, > while after it was rw. > However, the changes I made (such as adding a user) > disappeared on re-booting (after running "sync"). > > If anyone can throw light on this I should be grateful. > >