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@adamthebig
Created May 9, 2016 23:25
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Fix sudo: unable to stat /etc/sudoers: Permission denied sudo: no valid sudoers sources found, quitting
Reboot into single user mode (hold Option S while booting until it switches to text mode)
At the single user prompt, type: /sbin/fsck -fy
This checks the filesystem integrity
Then type: /sbin/mount -wu /
This mounts the root filesystem as read/writable.
Next type: /bin/chmod 1775 /
This will correct the permissions for your / directory
Type: /bin/sync
This will make sure the change is written to the filesystem
Type: exit
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