[ GNU Grub Mode ]
서버 앞에 서서 ..
1> ctrl + alt + del (reboot)
esc ^^
2> e -> GNU Grub 모드
3> CentOS (2.6.9-34.EL) / CentOS-4 i386 (2.6.9-22.EL) 선택(택1)
e -> (edit모드)
4> root (hd0,0)
kernel /vmlinuz-2.6.9-34.EL ro root=LABEL=/
initrd /initrd-2.6.9-34.EL.img
kernel /vmlinuz-2.6.9-34.EL ro root=LABEL=/
e -> (edit모드)
5> grub edit > kernel /vmlinuz-2.6.9-34.EL ro root=LABEL=/
space key로 한칸 1 입력 -> single mode
1 또는 single mode / single 입력 ^^
grub edit > kernel /vmlinuz-2.6.9-34.EL ro root=LABEL=/ 1
grub edit > kernel /vmlinuz-2.6.9-34.EL ro root=LABEL=/ signer
b -> (boot)
6> sh-3.2# passwd / sh-3.2# passwd root
새로운 비밀번호 지정
sh-3.2# reboot
