sudoコマンドのエラーを治す(must be owned by uid 0 and have the setuid bit set)

chmod -R 440 /etc/sudoers ;\
chmod -R 440 /etc/sudoers.d ;\
chmod -R 4755 /usr/bin/sudo ;\
chmod -R 644 /usr/lib/sudo ;\
chown -R root:root /etc/sudoers ;\
chown -R root:root /etc/sudoers.d ;\
chown -R root:root /usr/bin/sudo ;\
chown -R root:root /usr/lib/sudo