#> 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
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