我安装了 Unity,后来又安装了 Xubuntu;现在我删除了 Xubuntu 并切换回 Unity。但是,每次我登录时,首先会出现Unity登录页面,登录后会跳转到xubuntu登录页面。所以我每次都需要录两遍我的密码。我该如何解决这个问题?我试过用unity-tweak-tool --reset-unity
命令,但没有用。
#
# DO NOT EDIT THIS FILE
#
# It is automatically generated by grub-mkconfig using templates
# from /etc/grub.d and settings from /etc/default/grub
#
### BEGIN /etc/grub.d/00_header ###
if [ -s $prefix/grubenv ]; then
set have_grubenv=true
load_env
fi
if [ "${next_entry}" ] ; then
set default="${next_entry}"
set next_entry=
save_env next_entry
set boot_once=true
else
set default="0"
fi
if [ x"${feature_menuentry_id}" = xy ]; then
menuentry_id_option="--id"
else
menuentry_id_option=""
fi
export menuentry_id_option
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
}
function load_video {
if [ x$feature_all_video_module = xy ]; then
insmod all_video
else
insmod efi_gop
insmod efi_uga
insmod ieee1275_fb
insmod vbe
insmod vga
insmod video_bochs
insmod video_cirrus
fi
}
if [ x$feature_default_font_path = xy ] ; then
font=unicode
else
insmod part_msdos
insmod ext2
set root='hd0,msdos1'
if [ x$feature_platform_search_hint = xy ]; then
search --no-floppy --fs-uuid --set=root --hint-bios=hd0,msdos1 --hint-efi=hd0,msdos1 --hint-baremetal=ahci0,msdos1 86a4e1a4-02f7-45b8-91be-738e6c8a08f1
else
search --no-floppy --fs-uuid --set=root 86a4e1a4-02f7-45b8-91be-738e6c8a08f1
fi
font="/usr/share/grub/unicode.pf2"
fi
if loadfont $font ; then
set gfxmode=auto
load_video
insmod gfxterm
set locale_dir=$prefix/locale
set lang=en_US
insmod gettext
fi
terminal_output gfxterm
if [ "${recordfail}" = 1 ] ; then
set timeout=-1
else
if [ x$feature_timeout_style = xy ] ; then
set timeout_style=hidden
set timeout=0
# Fallback hidden-timeout code in case the timeout_style feature is
# unavailable.
elif sleep --interruptible 0 ; then
set timeout=0
fi
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 ###
function gfxmode {
set gfxpayload="${1}"
if [ "${1}" = "keep" ]; then
set vt_handoff=vt.handoff=7
else
set vt_handoff=
fi
}
if [ "${recordfail}" != 1 ]; then
if [ -e ${prefix}/gfxblacklist.txt ]; then
if hwmatch ${prefix}/gfxblacklist.txt 3; then
if [ ${match} = 0 ]; then
set linux_gfx_mode=keep
else
set linux_gfx_mode=text
fi
else
set linux_gfx_mode=text
fi
else
set linux_gfx_mode=keep
fi
else
set linux_gfx_mode=text
fi
export linux_gfx_mode
menuentry 'Ubuntu' --class ubuntu --class gnu-linux --class gnu --class os $menuentry_id_option 'gnulinux-simple-86a4e1a4-02f7-45b8-91be-738e6c8a08f1' {
recordfail
load_video
gfxmode $linux_gfx_mode
insmod gzio
insmod part_msdos
insmod ext2
set root='hd0,msdos1'
if [ x$feature_platform_search_hint = xy ]; then
search --no-floppy --fs-uuid --set=root --hint-bios=hd0,msdos1 --hint-efi=hd0,msdos1 --hint-baremetal=ahci0,msdos1 86a4e1a4-02f7-45b8-91be-738e6c8a08f1
else
search --no-floppy --fs-uuid --set=root 86a4e1a4-02f7-45b8-91be-738e6c8a08f1
fi
linux /boot/vmlinuz-3.13.0-24-generic root=UUID=86a4e1a4-02f7-45b8-91be-738e6c8a08f1 ro quiet splash $vt_handoff
initrd /boot/initrd.img-3.13.0-24-generic
}
submenu 'Advanced options for Ubuntu' $menuentry_id_option 'gnulinux-advanced-86a4e1a4-02f7-45b8-91be-738e6c8a08f1' {
menuentry 'Ubuntu, with Linux 3.13.0-24-generic' --class ubuntu --class gnu-linux --class gnu --class os $menuentry_id_option 'gnulinux-3.13.0-24-generic-advanced-86a4e1a4-02f7-45b8-91be-738e6c8a08f1' {
recordfail
load_video
gfxmode $linux_gfx_mode
insmod gzio
insmod part_msdos
insmod ext2
set root='hd0,msdos1'
if [ x$feature_platform_search_hint = xy ]; then
search --no-floppy --fs-uuid --set=root --hint-bios=hd0,msdos1 --hint-efi=hd0,msdos1 --hint-baremetal=ahci0,msdos1 86a4e1a4-02f7-45b8-91be-738e6c8a08f1
else
search --no-floppy --fs-uuid --set=root 86a4e1a4-02f7-45b8-91be-738e6c8a08f1
fi
echo 'Loading Linux 3.13.0-24-generic ...'
linux /boot/vmlinuz-3.13.0-24-generic root=UUID=86a4e1a4-02f7-45b8-91be-738e6c8a08f1 ro quiet splash $vt_handoff
echo 'Loading initial ramdisk ...'
initrd /boot/initrd.img-3.13.0-24-generic
}
menuentry 'Ubuntu, with Linux 3.13.0-24-generic (recovery mode)' --class ubuntu --class gnu-linux --class gnu --class os $menuentry_id_option 'gnulinux-3.13.0-24-generic-recovery-86a4e1a4-02f7-45b8-91be-738e6c8a08f1' {
recordfail
load_video
insmod gzio
insmod part_msdos
insmod ext2
set root='hd0,msdos1'
if [ x$feature_platform_search_hint = xy ]; then
search --no-floppy --fs-uuid --set=root --hint-bios=hd0,msdos1 --hint-efi=hd0,msdos1 --hint-baremetal=ahci0,msdos1 86a4e1a4-02f7-45b8-91be-738e6c8a08f1
else
search --no-floppy --fs-uuid --set=root 86a4e1a4-02f7-45b8-91be-738e6c8a08f1
fi
echo 'Loading Linux 3.13.0-24-generic ...'
linux /boot/vmlinuz-3.13.0-24-generic root=UUID=86a4e1a4-02f7-45b8-91be-738e6c8a08f1 ro recovery nomodeset
echo 'Loading initial ramdisk ...'
initrd /boot/initrd.img-3.13.0-24-generic
}
menuentry 'Ubuntu, with Linux 3.11.0-19-generic' --class ubuntu --class gnu-linux --class gnu --class os $menuentry_id_option 'gnulinux-3.11.0-19-generic-advanced-86a4e1a4-02f7-45b8-91be-738e6c8a08f1' {
recordfail
load_video
gfxmode $linux_gfx_mode
insmod gzio
insmod part_msdos
insmod ext2
set root='hd0,msdos1'
if [ x$feature_platform_search_hint = xy ]; then
search --no-floppy --fs-uuid --set=root --hint-bios=hd0,msdos1 --hint-efi=hd0,msdos1 --hint-baremetal=ahci0,msdos1 86a4e1a4-02f7-45b8-91be-738e6c8a08f1
else
search --no-floppy --fs-uuid --set=root 86a4e1a4-02f7-45b8-91be-738e6c8a08f1
fi
echo 'Loading Linux 3.11.0-19-generic ...'
linux /boot/vmlinuz-3.11.0-19-generic root=UUID=86a4e1a4-02f7-45b8-91be-738e6c8a08f1 ro quiet splash $vt_handoff
echo 'Loading initial ramdisk ...'
initrd /boot/initrd.img-3.11.0-19-generic
}
menuentry 'Ubuntu, with Linux 3.11.0-19-generic (recovery mode)' --class ubuntu --class gnu-linux --class gnu --class os $menuentry_id_option 'gnulinux-3.11.0-19-generic-recovery-86a4e1a4-02f7-45b8-91be-738e6c8a08f1' {
recordfail
load_video
insmod gzio
insmod part_msdos
insmod ext2
set root='hd0,msdos1'
if [ x$feature_platform_search_hint = xy ]; then
search --no-floppy --fs-uuid --set=root --hint-bios=hd0,msdos1 --hint-efi=hd0,msdos1 --hint-baremetal=ahci0,msdos1 86a4e1a4-02f7-45b8-91be-738e6c8a08f1
else
search --no-floppy --fs-uuid --set=root 86a4e1a4-02f7-45b8-91be-738e6c8a08f1
fi
echo 'Loading Linux 3.11.0-19-generic ...'
linux /boot/vmlinuz-3.11.0-19-generic root=UUID=86a4e1a4-02f7-45b8-91be-738e6c8a08f1 ro recovery nomodeset
echo 'Loading initial ramdisk ...'
initrd /boot/initrd.img-3.11.0-19-generic
}
menuentry 'Ubuntu, with Linux 3.11.0-14-generic' --class ubuntu --class gnu-linux --class gnu --class os $menuentry_id_option 'gnulinux-3.11.0-14-generic-advanced-86a4e1a4-02f7-45b8-91be-738e6c8a08f1' {
recordfail
load_video
gfxmode $linux_gfx_mode
insmod gzio
insmod part_msdos
insmod ext2
set root='hd0,msdos1'
if [ x$feature_platform_search_hint = xy ]; then
search --no-floppy --fs-uuid --set=root --hint-bios=hd0,msdos1 --hint-efi=hd0,msdos1 --hint-baremetal=ahci0,msdos1 86a4e1a4-02f7-45b8-91be-738e6c8a08f1
else
search --no-floppy --fs-uuid --set=root 86a4e1a4-02f7-45b8-91be-738e6c8a08f1
fi
echo 'Loading Linux 3.11.0-14-generic ...'
linux /boot/vmlinuz-3.11.0-14-generic root=UUID=86a4e1a4-02f7-45b8-91be-738e6c8a08f1 ro quiet splash $vt_handoff
echo 'Loading initial ramdisk ...'
initrd /boot/initrd.img-3.11.0-14-generic
}
menuentry 'Ubuntu, with Linux 3.11.0-14-generic (recovery mode)' --class ubuntu --class gnu-linux --class gnu --class os $menuentry_id_option 'gnulinux-3.11.0-14-generic-recovery-86a4e1a4-02f7-45b8-91be-738e6c8a08f1' {
recordfail
load_video
insmod gzio
insmod part_msdos
insmod ext2
set root='hd0,msdos1'
if [ x$feature_platform_search_hint = xy ]; then
search --no-floppy --fs-uuid --set=root --hint-bios=hd0,msdos1 --hint-efi=hd0,msdos1 --hint-baremetal=ahci0,msdos1 86a4e1a4-02f7-45b8-91be-738e6c8a08f1
else
search --no-floppy --fs-uuid --set=root 86a4e1a4-02f7-45b8-91be-738e6c8a08f1
fi
echo 'Loading Linux 3.11.0-14-generic ...'
linux /boot/vmlinuz-3.11.0-14-generic root=UUID=86a4e1a4-02f7-45b8-91be-738e6c8a08f1 ro recovery nomodeset
echo 'Loading initial ramdisk ...'
initrd /boot/initrd.img-3.11.0-14-generic
}
menuentry 'Ubuntu, with Linux 3.11.0-12-generic' --class ubuntu --class gnu-linux --class gnu --class os $menuentry_id_option 'gnulinux-3.11.0-12-generic-advanced-86a4e1a4-02f7-45b8-91be-738e6c8a08f1' {
recordfail
load_video
gfxmode $linux_gfx_mode
insmod gzio
insmod part_msdos
insmod ext2
set root='hd0,msdos1'
if [ x$feature_platform_search_hint = xy ]; then
search --no-floppy --fs-uuid --set=root --hint-bios=hd0,msdos1 --hint-efi=hd0,msdos1 --hint-baremetal=ahci0,msdos1 86a4e1a4-02f7-45b8-91be-738e6c8a08f1
else
search --no-floppy --fs-uuid --set=root 86a4e1a4-02f7-45b8-91be-738e6c8a08f1
fi
echo 'Loading Linux 3.11.0-12-generic ...'
linux /boot/vmlinuz-3.11.0-12-generic root=UUID=86a4e1a4-02f7-45b8-91be-738e6c8a08f1 ro quiet splash $vt_handoff
echo 'Loading initial ramdisk ...'
initrd /boot/initrd.img-3.11.0-12-generic
}
menuentry 'Ubuntu, with Linux 3.11.0-12-generic (recovery mode)' --class ubuntu --class gnu-linux --class gnu --class os $menuentry_id_option 'gnulinux-3.11.0-12-generic-recovery-86a4e1a4-02f7-45b8-91be-738e6c8a08f1' {
recordfail
load_video
insmod gzio
insmod part_msdos
insmod ext2
set root='hd0,msdos1'
if [ x$feature_platform_search_hint = xy ]; then
search --no-floppy --fs-uuid --set=root --hint-bios=hd0,msdos1 --hint-efi=hd0,msdos1 --hint-baremetal=ahci0,msdos1 86a4e1a4-02f7-45b8-91be-738e6c8a08f1
else
search --no-floppy --fs-uuid --set=root 86a4e1a4-02f7-45b8-91be-738e6c8a08f1
fi
echo 'Loading Linux 3.11.0-12-generic ...'
linux /boot/vmlinuz-3.11.0-12-generic root=UUID=86a4e1a4-02f7-45b8-91be-738e6c8a08f1 ro recovery nomodeset
echo 'Loading initial ramdisk ...'
initrd /boot/initrd.img-3.11.0-12-generic
}
}
### END /etc/grub.d/10_linux ###
### BEGIN /etc/grub.d/20_linux_xen ###
### END /etc/grub.d/20_linux_xen ###
### BEGIN /etc/grub.d/20_memtest86+ ###
menuentry 'Memory test (memtest86+)' {
insmod part_msdos
insmod ext2
set root='hd0,msdos1'
if [ x$feature_platform_search_hint = xy ]; then
search --no-floppy --fs-uuid --set=root --hint-bios=hd0,msdos1 --hint-efi=hd0,msdos1 --hint-baremetal=ahci0,msdos1 86a4e1a4-02f7-45b8-91be-738e6c8a08f1
else
search --no-floppy --fs-uuid --set=root 86a4e1a4-02f7-45b8-91be-738e6c8a08f1
fi
knetbsd /boot/memtest86+.elf
}
menuentry 'Memory test (memtest86+, serial console 115200)' {
insmod part_msdos
insmod ext2
set root='hd0,msdos1'
if [ x$feature_platform_search_hint = xy ]; then
search --no-floppy --fs-uuid --set=root --hint-bios=hd0,msdos1 --hint-efi=hd0,msdos1 --hint-baremetal=ahci0,msdos1 86a4e1a4-02f7-45b8-91be-738e6c8a08f1
else
search --no-floppy --fs-uuid --set=root 86a4e1a4-02f7-45b8-91be-738e6c8a08f1
fi
linux16 /boot/memtest86+.bin console=ttyS0,115200n8
}
### END /etc/grub.d/20_memtest86+ ###
### BEGIN /etc/grub.d/30_os-prober ###
### END /etc/grub.d/30_os-prober ###
### BEGIN /etc/grub.d/30_uefi-firmware ###
### END /etc/grub.d/30_uefi-firmware ###
### 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 ###
### BEGIN /etc/grub.d/41_custom ###
if [ -f ${config_directory}/custom.cfg ]; then
source ${config_directory}/custom.cfg
elif [ -z "${config_directory}" -a -f $prefix/custom.cfg ]; then
source $prefix/custom.cfg;
fi
### END /etc/grub.d/41_custom ###
(PS:我在安装xubuntu之前把登录主题修改成了ubuntu Unity自带的登录主题之一)
答案1
看来你的显示管理器设置搞乱了;我不认为这与启动有关(grub 参与了启动画面选择,而不是登录名)。
从虚拟终端尝试此操作(使用 ctrl-alt-F1 并使用您的用户和密码登录;ctrl-alt-F7 返回图形终端)。
sudo dpkg-reconfigure lightdm
(或者如果它不起作用,请用 代替lightdm
)gdm
。您将看到一个文本窗口;使用 TAB 在选项之间移动,然后使用 ENTER 进行选择 --- 选择lightdm
Unity。
然后你可以重新启动它
sudo restart lightdm
旧的(但相关的)链接这里。
如果仍然不起作用,请尝试重新安装 DM:
sudo apt-get install --reinstall lightdm
和/或删除 gdm:
sudo apt-get remove --purge gdm
(对此要小心,如果它要求您删除重要的软件包,请不要这样做 --- 否则您的系统可能会无法使用)。
PS:您是否曾修改过 lightdm/gdm 配置目录中的某些文件,以更改登录背景或类似内容?如果是,请在问题中添加该信息,详细说明您做了什么(您修改/添加了哪些文件以及如何修改/添加)。
这是因为如果您修改了某些配置文件,则在重新安装或更新时,系统不会删除或重置您更改的文件。 因此,如果您想返回,您必须手动撤消您手动执行的操作...