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Questions tagged [cryptsetup]

cryptsetup - setup cryptographic volumes for dm-crypt (including LUKS extension). cryptsetup is used to conveniently setup dm-crypt managed device-mapper mappings.

cryptsetup - setup cryptographic volumes for dm-crypt (including LUKS extension). cryptsetup is used to conveniently setup dm-crypt managed device-mapper mappings. For basic (plain) dm-crypt mappings, there are four operations.

Source:cryptsetup man page

161 questions
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encrypted /tmp doesn't mount at boot time

OS: Ubuntu 16.04.3, 64-bit. cryptsetup version 1.6.6 Contents of /etc/crypttab (UUIDs replaced to save space): cryptswap1 UUID=XXXX /dev/urandom swap,offset=1024,cipher=aes-xts-plain64 crypttmp1 UUID=YYYY /dev/urandom…
Konstantin Boyandin
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volume group vgubuntu not found in kernel 5.8.13

I have a new Lenovo ideapad 5 14AR05. I successfully installed Ubuntu 20.04 LTS with an encrypted harddisk. I then upgraded the kernel to 5.8.13, because I could not use an external monitor with the default kernel. It worked and I'm pretty sure I…
Rosanne
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cryptsetup errors on apt-get upgrade

On headless vps servers (Ubuntu 16.04.5 LTS) when running # apt-get upgrade I get cryptsetup: WARNING: failed to detect canonical device of /dev/xvda1 cryptsetup: WARNING: could not determine root device from /etc/fstab I have a single drive and…
Joe Murray
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How to get right value for the first field of crypttab?

I've lost my crypttab and I can't find a way to restore it. On another automatic installation it's 'sda5_crypt', but I can't find a command to list it.
int_ua
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What does cryptsetup-bin does

If cryptsetup-bin is missing in cryptsetup can we be assured that our device is encrypted.please let me know
Bivut Poudel
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If cryptsetup-bin is missing does it means that file inside device is not encrypted?

Please help me with the working of cryptsetup and how does the missing of cryptsetup-bin affect cryptsetup
Bivut Poudel
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Help! Passphrase no longer decrypts my disk

For some unknown reason I can no longer decrypt my disk with the passphrase that I had been using for months. I thought that this could be a keyboard layout problem, therefore I have also tried typing my passphrase as if I was using the English(US)…
codeaviator
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