On 2018-02-01, Curt <cu...@free.fr> wrote: > On 2018-02-01, Nicolas George <geo...@nsup.org> wrote: >> >> >> David Wright (2018-02-01): >>> As far as finding the swap partition with fstab, ISTR a workaround. >>> Without the details, you make the swap partition with a tiny >>> filesystem in it, which gives it a stable UUID and LABEL. You then >>> specify an offset in every reference to its use, which skips over >>> the filesystem at its start. >> >> What are you trying to achieve with this baroque contraption? >> >> If a swap is encrypted normally, then just use its UUID. >> >> If a swap is encrypted with an ephemeral key, that means its contents is >> not wanted after a reboot, so there is no need to preserve the key, >> obviously. As to how to specify it in fstab, you need to use the name >> declared in crypttab. > > Unfortunately my crypttab (which I've never touched or looked at) > reveals the following: > > # <target name> <source device> <key file> <options> > cryptswap1 /dev/sda5 /dev/urandom swap,cipher=aes-cbc-essiv:sha256 > > Which is dangerous because that dev/sda5 gets wiped out at every > (re)boot. >
Then again maybe not seriously defective to leave it as /dev/sda5 as I have only one disk (which reminds of the Clarol commercial concerning lives). -- “True terror is to wake up one morning and discover that your high school class is running the country.” – Kurt Vonnegut