/usr/bin/sudo must be owned by uid 0 and have the setuid bit set on Ubuntu 20.04
Fix the Ubuntu 20.04 error /usr/bin/sudo must be owned by uid 0 and have the setuid bit set: boot into GRUB rescue mode and run one pkexec chmod command.
Tan Shuai 谭帅Tan Shuai 谭帅Fix the Ubuntu 20.04 error /usr/bin/sudo must be owned by uid 0 and have the setuid bit set: boot into GRUB rescue mode and run one pkexec chmod command.