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Month: December 2012

Unable to SU to root

The error “ -bash: /bin/su: Permission denied ” you get while trying to su to root after logged as sudo because of the incorrect permission of “ /bin/su “. Make sure you have given correct permission as follows: —————– # chmod 4750 /bin/su # ll /bin/su -rwsr-x— 1 root wheel 24312 Mar 21 2012 /bin/su* If the problem still exists, check if the sudo user has been added as wheel user in the server. Check […]