> Hence all pieces of the puzzle are available to userspace... > Is there another way?
My hackish way is to parse dmesg, adapt inittab at runtime and make init reload it. Not exactly production quality, though: + l=$(dmesg | sed -n '/console.*enabled/ s/.*\[\(tty[A-Z]\+[0-9]\+\)\].*/\1/; T; p; q') + sed -i s/ttyS0/$l/g /etc/inittab + kill -s SIGHUP 1
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