On Tue 02 Jan 2018 at 21:03:09 +0100, Thomas Schmitt wrote: > Brian wrote: > > What *prevents* a user from destroying his own backup files? > > Having multiple backups. Some with long intervals between them and some > on write-once media.
> Big fleas have little fleas upon their backs to bite 'em, > And little fleas have lesser fleas, and so, ad infinitum. Where does it end? > Of course the user must recover from mental incapacity often enough to > produce and verify good backups and to restore spoiled files before doing > the next backups. Insofar "chmod -w" and "chattr +i" can help to keep the > overall user performance sufficient for the purpose. chattr is another ball game and involves getting the co-operation of another entity. An ordinary user does not have access to the "+i" option. -- Brian.
