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I'm using Ubuntu. command blkid or blk /dev/sda2 in LPIC-1 module 104.3 (mounting and unmounting). but these commands don't show me the expected results. blkid is installed and also I can see man blkid !!!

Could you guide me to fix this?

Jahid
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user2517728
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1 Answers1

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Run sudo blkid

After that you will be able to get the same result with simply running blkid (without sudo)

Jahid
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    OMG! just needed root access! but why didn't tel me **root access Error** ?? – user2517728 May 31 '15 at 13:52
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    because it doesn't need root access always...For ex. If you had any usb drive mounted as normal user you could see it with just running `blkid` without sudo. – Jahid May 31 '15 at 13:55