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Re: Got tired of waiting for suspend/resume (something like that)




On 2018-02-01, Curt <curty@xxxxxxx> wrote:
> On 2018-02-01, Nicolas George <george@xxxxxxxx> 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).

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