On Mon, 14 Nov 2022, Ulrich Windl wrote: [...] > > Boot with "systemd.debug-shell" and use tty9 to investigate from the inside. > > Wow! never heard of that option. Is that a kind of target, or what is the > mechanism? > Which of the 196 (man -k systemd | wc -l) systemd-related manual pages would > describe it? ;-)
All of systemd's kernel command-line options are documented under "KERNEL COMMAND LINE" in the systemd(1) man page. When you're in doubt where something might be documented, look at systemd.directives(7). You'll find them there too.
