[Solved] How do I enable verbose boot messages in Linux Mint Debian Edition 5 Elsie?

[dayan]

Hello,

How would I enable verbose boot messages in Linux Mint Debian Edition 5 Elsie?

How my GRUB file currently looks:

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sudo nvim /etc/default/grub

GRUB_DEFAULT=0
GRUB_TIMEOUT=5
GRUB_DISTRIBUTOR=`lsb_release -i -s 2> /dev/null || echo Debian`
GRUB_CMDLINE_LINUX_DEFAULT="loglevel=4 ipv6.disable=1"
GRUB_CMDLINE_LINUX=""

Any time I made changes to the GRUB file I ran this:

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sudo update-initramfs -u && sudo update-grub
sudo reboot

I've also tried these parameters:

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plymouth.enable=0 verbose

When

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plymouth.enable=0

didn't work I just removed the plymouth packages which gave me the current minimal boot I have now which is demonstrated in the video at the end of this post. However, it still does not display the running boot messages.

Packages removed:

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sudo apt remove plymouth plymouth-label --purge

ipv6 is not disabled either. When I run:

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sudo sysctl -a | grep -i ipv6

I should get an empty output indicating that the ipv6 modules were unloaded from the kernel, but they are still loaded in the kernel.

Suggestions appreciated.

Regards.

Dayan

Demonstration of boot:
https://youtu.be/eiEd3j1o9VE

[cfb]

The value of variable GRUB_CMDLINE_LINUX_DEFAULT is not set in file /etc/default/grub. Well, it is set in that file but it is overridden in file /etc/default/grub.d/50_lmde.cfg.
So, I would suggest that you reinstall the plymouth packages and restore file /etc/default/grub to its original content, then create file /etc/default/grub.d/90_override.cfg and in that file put

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#! /bin/sh
set -e
GRUB_CMDLINE_LINUX_DEFAULT="quiet"

You may obviously add other parameters to the variable here.
Then run update-grub and you should have your boot messages shown.

[dayan]

Thank you for your help. This has worked.

Have a great week!