카테고리 없음
#> su
password :    <- input root password

#> vi /etc/pam.d/gdm

#auth required pam_succeed_if.so user != root quiet <- add '#'


save and quit

#> vi /etc/pam.d/gdm-password

#auth required pam_succeed_if.so user != root quiet <- add "#"

save and quit

the end