109 lines
2.2 KiB
Plaintext
109 lines
2.2 KiB
Plaintext
# $NetBSD: rc.hack,v 1.5 2003/01/06 20:30:42 wiz Exp $
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# Hackish /etc/rc to do basic setup for a distribution rz25 image to
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# make it slightly easier to use.
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PATH=/sbin:/usr/sbin:/bin:/usr/bin:/alphadist
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export PATH
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single_user()
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{
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echo "Returning to single-user mode..."
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exit 1
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}
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root_dev=`(sysctl -n machdep.root_device) 2> /dev/null`
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#echo "root_dev is '$root_dev'"
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if [ X"${root_dev}" = X'' ] || [ X"${root_dev}" = X'??' ]; then
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echo "Can't figure out root device!"
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single_user
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fi
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root_dev_base=`expr $root_dev : '\([a-z][a-z]*\)[0-9]*[a-z]'`
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root_dev_unit=`expr $root_dev : '[a-z][a-z]*\([0-9]*\)[a-z]'`
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root_dev_part=`expr $root_dev : '[a-z][a-z]*[0-9]*\([a-z]\)'`
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#echo $root_dev_base
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#echo $root_dev_unit
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#echo $root_dev_part
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usr_dev="${root_dev_base}${root_dev_unit}d"
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#echo usr_dev = $usr_dev
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case $root_dev_base in
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cd|sd|wd)
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;;
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*)
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echo "Unexpected root device type '$root_dev_base'."
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single_user
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;;
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esac
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# If /tmp is already writable, we've already been run... punt!
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if [ -w /tmp ]; then
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echo ""
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case $root_dev_base in
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cd)
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echo "Can't boot multi-user from a CD-ROM, because"
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echo "the system can't have been configured."
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echo ""
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echo "Install on a real disk!"
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echo ""
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single_user
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;;
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sd|wd)
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echo "If you want to boot multi-user, make sure that you've"
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echo "configured the system properly, then run the"
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echo "following:"
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echo ""
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echo " /bin/rm -f /etc/rc"
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echo " /bin/cp -p /alphadist/rc.real /etc/rc"
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echo ""
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echo "from single-user mode then exit the single-user shell."
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echo ""
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single_user
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;;
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esac
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fi
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case $root_dev_base in
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cd)
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echo -n "Remounting root device..."
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mount -u -o ro /dev/$root_dev /
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echo ""
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echo -n "Mounting /usr..."
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mount -o ro /dev/$usr_dev /usr
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echo ""
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echo -n "Preparing temporary file systems..."
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mount -t mfs -o -s=6144 swap /tmp
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mount -t mfs -o -s=6144 swap /var/tmp
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mkdir /var/tmp/vi.recover
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chmod -R 1777 /tmp /var/tmp
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echo ""
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;;
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sd|wd)
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echo "Checking root and /usr..."
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fsck -n -t ffs /dev/r$root_dev /dev/r$usr_dev > /dev/null 2>&1
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if [ $? -ne 0 ]; then
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echo "File system check failed!"
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single_user
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fi
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echo -n "Remounting root device..."
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mount -u /dev/$root_dev /
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echo ""
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echo -n "Mounting /usr..."
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mount /dev/$usr_dev /usr
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echo ""
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;;
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esac
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single_user
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