Friday, March 4, 2011

sudo rm Operation not permitted, undeletable file

problem:
ever encounter such a file?
you can't even rm with root.

reason:
this file might be marked as immutable, to confirm, you can use lsattr to confirm, if you see an "i" then it's immutable, you can't even remove with root

solution:

use chattr -i
the one i had to use is: sudo chattr -s, sudo chattr -u, sudo chattr -a too then able to remove this file
then you can remove

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