I used sudo chown -R yourusername:yourusername /etc but cant turn it back
11036
Changed permissions of / to user
149832
How can I revert a chmod on the etc directory?
57405
No permission to chown /mnt/hdd
120352
Why does chown report "Operation not permitted" on OS X?
100263
Root directory '/' locked after using chmod
4949
Admin login returns 'Sorry, unrecognized username or password.'
46726
Does user have to logoff then back on if I change /etc/sudoers?
145944
How do I change a username? (shortname and home folder)
18871
How often is the password asked for sudo commands? Where can I set it up?
58819
Sudo not available in guest login
434
How do I change a user name in Windows 7?
589
How to avoid using sudo when working in /var/www?
128549
chown - Operation not permitted
92250
Is there a "reverse sudo"?
129130
How to NOT become a root user? Are administrators root?
809
Changing from user to superuser
66222
'sudo' not working after changing the permissions of '/usr' directory