LinuxQuestions.org - Totally messed up the user permissions.*want to cry*

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Totally messed up the user permissions.*want to cry*

Hi all,

i need help.
:cry::cry:
i've done something stupid cause of my ignorance.
Im' not too familiar with chmod and did something stupid invoked
this:

Code:

#chmod -R 766 /DATA *

in / directory.
actually i wanted to make this happen inside /DATA (my own partition) only but you know the rest...
anyway, in the middle i pressed ctrl-c so not all directories changed.
but some like /bin,/boot, have changed :( :( :(

currently,my fallback is just chmode -Rv 755 for directories that seems have been affected.
is that good enough?

and now after exit su and want to su again, i get this error:

Code:

setgid: Operation not permitted

i don't know what future problems still lie ahead.
Even,i'm afraid to reboot now

Should i reinstall?

edit:
i think i must reinstall.
too many problems.
my "fallback" escalate the problems also.
hah!

backup stuff then reinstall. sorry.

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