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lovellfelix/gist:1571bb3ed2d08b8cca9e

Created September 10, 2015 16:58
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Make Linux files Immutable. Prevent user from deleting or modifying authorized_keys file
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gistfile1.txt
cat ~/.ssh/id_rsa.pub > authorized_keys
chattr +i authorized_keys
rm authorized_keys
rm: remove write-protected regular file `file1'? y
rm: cannot remove `file1': Operation not permitted
# To revert to previous state
chattr -i authorized_keys
#Linux is pretty awesome :)
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