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Iresize disk image how to#

Conv and oflag options tell dd not to overwrite or truncate the image but append zero data.

Yesterday we created a 512 MB disk image, now let’s add one more gigabyte. Sudo umount /dev/mapper/myluksvol1 & sudo cryptsetup luksClose myluksvol1Ĭp /home/shaakunthala/luksvolume1 /home/shaakunthala/luksvolume1.bakĭd if=/dev/zero of=/home/shaakunthala/luksvolume1 bs=1M count=1024 oflag=append conv=notrunc Safety first! Unmount, luksClose and then backup your image file.If you still have the disk image of yesterday’s example, just follow me. I wanted to try resizing a LUKS volume, and after one failed attempt I found a way. Today I wanted to experiment more with it.

Iresize disk image how to#

Yesterday I wrote about How to create an encrypted LUKS disk image.

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