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HPR2791: LUKS like truecrypt
Manage episode 231309833 series 108988
Create an empty file of a predetermined size:
$ fallocate --length 512M foo.img
Create a LUKS container on it:
$ cryptsetup --verify-passphrase luksFormat foo.img
Set it up:
$ sudo cryptsetup luksOpen foo.img foo $ ls /dev/mapper foo $
Make a file system on it:
$ sudo mkfs.ext2 /dev/mapper/foo
If you don't need it for anything now, you can close it:
$ sudo cryptsetup luksClose foo $ ls /dev/mapper $
Mount it as a usable filesystem:
$ sudo mkdir /crypt $ sudo mount /dev/mapper/foo /crypt
Depending on your system configuration, you may need to set up reasonable permissions:
$ sudo mkdir /crypt/mystuff $ sudo chown klaatu:users /crypt/mystuff $ sudo chmod 770 /crypt/mystuff $ echo "hello world" >> /crypt/mystuff/file.txt
When you're finished using your encrypted vault, unmount and close it:
$ sudo umount /crypt $ sudo cryptsetup luksClose foo
4110 episodes
Manage episode 231309833 series 108988
Create an empty file of a predetermined size:
$ fallocate --length 512M foo.img
Create a LUKS container on it:
$ cryptsetup --verify-passphrase luksFormat foo.img
Set it up:
$ sudo cryptsetup luksOpen foo.img foo $ ls /dev/mapper foo $
Make a file system on it:
$ sudo mkfs.ext2 /dev/mapper/foo
If you don't need it for anything now, you can close it:
$ sudo cryptsetup luksClose foo $ ls /dev/mapper $
Mount it as a usable filesystem:
$ sudo mkdir /crypt $ sudo mount /dev/mapper/foo /crypt
Depending on your system configuration, you may need to set up reasonable permissions:
$ sudo mkdir /crypt/mystuff $ sudo chown klaatu:users /crypt/mystuff $ sudo chmod 770 /crypt/mystuff $ echo "hello world" >> /crypt/mystuff/file.txt
When you're finished using your encrypted vault, unmount and close it:
$ sudo umount /crypt $ sudo cryptsetup luksClose foo
4110 episodes
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