Debian/Stretch: how to boot in text mode

[Ennio-Sr <nasr.laili@tin.it>]

Hi all!

After upgrading to Stretch I'm unable to find a way to boot with no GUI.
I tried setting 'GRUB-GFXPAYLOAD_LINUX="text" in /etc/default/grub,
moving to 'K01gdm3' all 'S??gdm3' instances in /etc/rc?.d, but nothing
happens.
Any help, please?
Regards, Ennio

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