. 修改/boot/grub.conf (样本示例, 红色处为添加部分) #... device (hd0) HD(1,800,64000,ffc1cc2d-32c9-4d30-9b7d-9988d257623b) default=0 timeout=5 splashimage=(hd0,1)/grub/splash.xpm.gz hiddenmenu serial --uint=0 --speed=115200 --word=8 --parity=no --stop=1 terminal --timeout=10 serial console title CentOS (2.6.39) root (hd0,1) kernel /vmlinuz-2.6.39 ro root=/dev/mapper/VolGroup-lv_root console=ttyS0,115200n8 rd_NO_LUKS LANG=en_US.UTF-8 rd_NO_MD rd_LVM_LV=VolGroup/lv_swap SYSFONT=latarcyrheb-sun16 crashkernel=auto rd_LVM_LV=VolGroup/lv_root KEYBOARDTYPE=pc KEYTABLE=us rd_NO_DM rhgb quiet console=tty0 initrd