recepies/amt/serial-console.sh

#!/bin/sh -x

# add AMT serial console to inittab

ttyS=`dmesg | grep ttyS | grep 0xe | sed 's/^.*\(ttyS[0-9]\).*$/\1/'`

if ! grep ttyS1 /etc/inittab | grep -v ^# ; then
        echo "Am:2345:respawn:/sbin/getty $ttyS 115200 vt100-nav" >> /etc/inittab
        init q
fi

ps ax | grep $ttyS | grep -v grep

grub=/boot/grub/menu.lst
tmp=/tmp/menu.lst

if ! grep '^# kopt=' $grub | grep console= ; then
        cat $grub | sed "s/^\(# kopt=.*\)$/\1 console=$ttyS,115200/" > $tmp
else
        cat $grub > $tmp
fi


if ! grep 'terminal *serial' $grub ; then
        port=`dmesg | grep ttyS | grep 0xe | sed 's/^.*\(0xe[0-9a-f]*\).*$/\1/'`
        echo "serial --port=$port --speed=115200" >> $tmp
        echo "terminal serial" >> $tmp
fi

if ! diff -urw $grub $tmp ; then
        mv $tmp $grub && update-grub
fi
1	#!/bin/sh -x
2
3	# add AMT serial console to inittab
4
5	ttyS=`dmesg \| grep ttyS \| grep 0xe \| sed 's/^.\(ttyS[0-9]\).$/\1/'`
6
7	if ! grep ttyS1 /etc/inittab \| grep -v ^# ; then
8	echo "Am:2345:respawn:/sbin/getty $ttyS 115200 vt100-nav" >> /etc/inittab
9	init q
10	fi
11
12	ps ax \| grep $ttyS \| grep -v grep
13
14	grub=/boot/grub/menu.lst
15	tmp=/tmp/menu.lst
16
17	if ! grep '^# kopt=' $grub \| grep console= ; then
18	cat $grub \| sed "s/^\(# kopt=.*\)$/\1 console=$ttyS,115200/" > $tmp
19	else
20	cat $grub > $tmp
21	fi
22
23
24	if ! grep 'terminal *serial' $grub ; then
25	port=`dmesg \| grep ttyS \| grep 0xe \| sed 's/^.\(0xe[0-9a-f]\).*$/\1/'`
26	echo "serial --port=$port --speed=115200" >> $tmp
27	echo "terminal serial" >> $tmp
28	fi
29
30	if ! diff -urw $grub $tmp ; then
31	mv $tmp $grub && update-grub
32	fi