Grub启动菜单消失

共有 3 条评论

1. tJbwhy 于 2011-10-23 11:01:01发表:

   我还没用过虚机，装在虚机里又不是真双系统，不是要开装虚机的系统然后再从虚机里开linux吗，那要什么双系统呀
   
   要是能改timeout等于多少就是多少秒，你那上面又1又0的我也搞不懂

2. t8c 于 2011-10-23 10:12:42发表:

   我的grub.cfg内容如下
   #
   # DO NOT EDIT THIS FILE
   #
   # It is automatically generated by /usr/sbin/grub-mkconfig using templates
   # from /etc/grub.d and settings from /etc/default/grub
   #
   
   ### BEGIN /etc/grub.d/00_header ###
   if [ -s $prefix/grubenv ]; then
   load_env
   fi
   set default="0"
   if [ ${prev_saved_entry} ]; then
   set saved_entry=${prev_saved_entry}
   save_env saved_entry
   set prev_saved_entry=
   save_env prev_saved_entry
   set boot_once=true
   fi
   
   function savedefault {
   if [ -z ${boot_once} ]; then
   saved_entry=${chosen}
   save_env saved_entry
   fi
   }
   
   function recordfail {
   set recordfail=1
   if [ -n ${have_grubenv} ]; then if [ -z ${boot_once} ]; then save_env recordfail; fi; fi
   }
   insmod ext2
   set root='(hd0,1)'
   search --no-floppy --fs-uuid --set 197d17ca-daac-4103-98e1-b5c0b121613c
   if loadfont /usr/share/grub/unicode.pf2 ; then
   set gfxmode=640x480
   insmod gfxterm
   insmod vbe
   if terminal_output gfxterm ; then true ; else
   # For backward compatibility with versions of terminal.mod that don't
   # understand terminal_output
   terminal gfxterm
   fi
   fi
   insmod ext2
   set root='(hd0,1)'
   search --no-floppy --fs-uuid --set 197d17ca-daac-4103-98e1-b5c0b121613c
   set locale_dir=($root)/boot/grub/locale
   set lang=en
   insmod gettext
   if [ ${recordfail} = 1 ]; then
   set timeout=-1
   else
   set timeout=10
   fi
   ### END /etc/grub.d/00_header ###
   
   ### BEGIN /etc/grub.d/05_debian_theme ###
   set menu_color_normal=white/black
   set menu_color_highlight=black/light-gray
   ### END /etc/grub.d/05_debian_theme ###
   
   ### BEGIN /etc/grub.d/10_linux ###
   menuentry 'Ubuntu, with Linux 2.6.32-28-generic' --class ubuntu --class gnu-linux --class gnu --class os {
   recordfail
   insmod ext2
   set root='(hd0,1)'
   search --no-floppy --fs-uuid --set 197d17ca-daac-4103-98e1-b5c0b121613c
   linux /boot/vmlinuz-2.6.32-28-generic root=UUID=197d17ca-daac-4103-98e1-b5c0b121613c ro quiet splash
   initrd /boot/initrd.img-2.6.32-28-generic
   }
   menuentry 'Ubuntu, with Linux 2.6.32-28-generic (recovery mode)' --class ubuntu --class gnu-linux --class gnu --class os {
   recordfail
   insmod ext2
   set root='(hd0,1)'
   search --no-floppy --fs-uuid --set 197d17ca-daac-4103-98e1-b5c0b121613c
   echo 'Loading Linux 2.6.32-28-generic ...'
   linux /boot/vmlinuz-2.6.32-28-generic root=UUID=197d17ca-daac-4103-98e1-b5c0b121613c ro single
   echo 'Loading initial ramdisk ...'
   initrd /boot/initrd.img-2.6.32-28-generic
   }
   ### END /etc/grub.d/10_linux ###
   
   ### BEGIN /etc/grub.d/20_memtest86+ ###
   menuentry "Memory test (memtest86+)" {
   insmod ext2
   set root='(hd0,1)'
   search --no-floppy --fs-uuid --set 197d17ca-daac-4103-98e1-b5c0b121613c
   linux16 /boot/memtest86+.bin
   }
   menuentry "Memory test (memtest86+, serial console 115200)" {
   insmod ext2
   set root='(hd0,1)'
   search --no-floppy --fs-uuid --set 197d17ca-daac-4103-98e1-b5c0b121613c
   linux16 /boot/memtest86+.bin console=ttyS0,115200n8
   }
   ### END /etc/grub.d/20_memtest86+ ###
   
   ### BEGIN /etc/grub.d/30_os-prober ###
   if [ ${timeout} != -1 ]; then
   if keystatus; then
   if keystatus --shift; then
   set timeout=-1
   else
   set timeout=0
   fi
   else
   if sleep --interruptible 3 ; then
   set timeout=0
   fi
   fi
   fi
   ### END /etc/grub.d/30_os-prober ###
   
   ### BEGIN /etc/grub.d/40_custom ###
   # This file provides an easy way to add custom menu entries. Simply type the
   # menu entries you want to add after this comment. Be careful not to change
   # the 'exec tail' line above.
   ### END /etc/grub.d/40_custom ###
   有好几个timeout，请问应该改哪个

3. 吞噬寂寞 于 2011-10-23 09:21:56发表:

   可能把/boot/grub/grub.conf里面的timeout设置成0了