Robert McBroom via users writes:
On a system restore from a tar archive sudo won't work. Says
/usr/bin/sudo
needs to be owned by 0 with the suid bit set. Root owns the file and is 0.
Looking at a working system directory list shows
-rwsr-xr-x. 1 root root 57456 Aug 16 20:00 su
---s--x--x. 1 root root 202872 Jul 24 20:00 sudo
How does that s bit get set?
By chmod u+s
But there might be a better way to salvage your system, try:
rpm --restore -a