tags 960390 + patch On Wed, 13 May 2020 14:14:54 +0200 john doe <johndoe65534@mail.com> wrote: [...] > I also'd like to point out that instead of modifying grub at the install > prompt, pressing the escape key and typing at the boot prompt the below > works for me (pressing the 'escape' key instead of the 'tab' key): > > > boot: install console=ttyS0,115200n8 DEBIAN_FRONTEND=text vga=none > > > From Buster onwords, /etc/default/grub does not need to be modified at > all after installation. > > > What transpired in this thread is that modifying grub at installation > time is not reflected at run time. Although that is also an issue, it's not the first issue the user encounters. As mentioned by Bjorn and Geert, for users wanting to install Debian on a headless machine there is no easy answer. To avoid needing any workarounds such as those discussed in earlier replies, I looked at enabling the installer images to output on the serial console by default. The attached simple change to the grub configuration gives output on serial as well as connected monitor. The next issue that needs fixing is to update the kernel command line to launch the installer on the serial console.
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0001-x86-grub-efi-Enable-serial-console.patch
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