update-grub werkt niet

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update-grub werkt niet

Y P
Hoi,

in /etc/default/grub zet ik de grub_defaul= op 3 ip 0,
zo oou ik in principe de generic van de vorige kernel moeten kunnen starten
na een update-grub;
toch is dit niet effectief en her start de computer m'n huidige kernel die
ik wil verwijderen omdat hij de oorzaak lijkt te zijn van incorrect login in
console mode, bevestigd op askubuntu forum door anderen:

kan iemand zeggen hoe ik dit uitzoek vanuit de commandline, ik mag sowieso
grub.cfg niet editen, 't zou niet werken, of kan ik me toch nog redden door
een menuentry of de drie mbt de huidige kernel te commenten met # ?
 
Y P

Mijn /etc/default/grub:

# If you change this file, run 'update-grub' afterwards to update
# /boot/grub/grub.cfg.
# For full documentation of the options in this file, see:
#   info -f grub -n 'Simple configuration'

GRUB_DEFAULT=0
GRUB_HIDDEN_TIMEOUT=3
GRUB_HIDDEN_TIMEOUT_QUIET=true
GRUB_TIMEOUT=10
GRUB_DISTRIBUTOR=`lsb_release -i -s 2> /dev/null || echo Debian`
GRUB_CMDLINE_LINUX_DEFAULT="quiet splash"
GRUB_CMDLINE_LINUX=""

# Uncomment to enable BadRAM filtering, modify to suit your needs
# This works with Linux (no patch required) and with any kernel that obtains
# the memory map information from GRUB (GNU Mach, kernel of FreeBSD ...)
#GRUB_BADRAM="0x01234567,0xfefefefe,0x89abcdef,0xefefefef"

# Uncomment to disable graphical terminal (grub-pc only)
#GRUB_TERMINAL=console

# The resolution used on graphical terminal
# note that you can use only modes which your graphic card supports via VBE
# you can see them in real GRUB with the command `vbeinfo'
#GRUB_GFXMODE=640x480

# Uncomment if you don't want GRUB to pass "root=UUID=xxx" parameter to Linux
#GRUB_DISABLE_LINUX_UUID=true

# Uncomment to disable generation of recovery mode menu entries
#GRUB_DISABLE_RECOVERY="true"

# Uncomment to get a beep at grub start
GRUB_INIT_TUNE="480 440 1"

#  

Waarom 3 ? Cf. grep Linux /boot/grub/grub.cfg, waarvan ik de 4.4.0-141 graag
wil laten booten:

        menuentry 'Ubuntu, met Linux 4.4.0-142-generic' --class ubuntu --class gnu-linux --class gnu --class os $menuentry_id_option 'gnulinux-4.4.0-142-generic-advanced-19711537-0f56-4fbb-9744-a488b500c317' {
                echo 'Laden van Linux 4.4.0-142-generic...'
        menuentry 'Ubuntu, with Linux 4.4.0-142-generic (upstart)' --class ubuntu --class gnu-linux --class gnu --class os $menuentry_id_option 'gnulinux-4.4.0-142-generic-init-upstart-19711537-0f56-4fbb-9744-a488b500c317' {
                echo 'Laden van Linux 4.4.0-142-generic...'
        menuentry 'Ubuntu, with Linux 4.4.0-142-generic (recovery mode)' --class ubuntu --class gnu-linux --class gnu --class os $menuentry_id_option 'gnulinux-4.4.0-142-generic-recovery-19711537-0f56-4fbb-9744-a488b500c317' {
                echo 'Laden van Linux 4.4.0-142-generic...'
        menuentry 'Ubuntu, met Linux 4.4.0-141-generic' --class ubuntu --class gnu-linux --class gnu --class os $menuentry_id_option 'gnulinux-4.4.0-141-generic-advanced-19711537-0f56-4fbb-9744-a488b500c317' {
                echo 'Laden van Linux 4.4.0-141-generic...'
        menuentry 'Ubuntu, with Linux 4.4.0-141-generic (upstart)' --class ubuntu --class gnu-linux --class gnu --class os $menuentry_id_option 'gnulinux-4.4.0-141-generic-init-upstart-19711537-0f56-4fbb-9744-a488b500c317' {
                echo 'Laden van Linux 4.4.0-141-generic...'
        menuentry 'Ubuntu, with Linux 4.4.0-141-generic (recovery mode)' --class ubuntu --class gnu-linux --class gnu --class os $menuentry_id_option 'gnulinux-4.4.0-141-generic-recovery-19711537-0f56-4fbb-9744-a488b500c317' {
                echo 'Laden van Linux 4.4.0-141-generic...'
        menuentry 'Ubuntu, met Linux 4.4.0-140-generic' --class ubuntu --class gnu-linux --class gnu --class os $menuentry_id_option 'gnulinux-4.4.0-140-generic-advanced-19711537-0f56-4fbb-9744-a488b500c317' {
                echo 'Laden van Linux 4.4.0-140-generic...'
        menuentry 'Ubuntu, with Linux 4.4.0-140-generic (upstart)' --class ubuntu --class gnu-linux --class gnu --class os $menuentry_id_option 'gnulinux-4.4.0-140-generic-init-upstart-19711537-0f56-4fbb-9744-a488b500c317' {
                echo 'Laden van Linux 4.4.0-140-generic...'
        menuentry 'Ubuntu, with Linux 4.4.0-140-generic (recovery mode)' --class ubuntu --class gnu-linux --class gnu --class os $menuentry_id_option 'gnulinux-4.4.0-140-generic-recovery-19711537-0f56-4fbb-9744-a488b500c317' {
                echo 'Laden van Linux 4.4.0-140-generic...'

... etc ...


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