source: fedkit/make_hosts @ 7add1a3

#!/bin/sh

# Very simple script to copy the global hosts file over the local one
# while preserving the localhost entry.  Run on DETER master clients

grep 127\\.0\\.0\\.1 /etc/hosts > /tmp/hosts
cat $1 >> /tmp/hosts
cp /tmp/hosts /etc/hosts && rm /tmp/hosts

# Find the right version of pkill.  For killing.
if [ -x "/usr/bin/pkill" ] ; then 
        PKILL="/usr/bin/pkill"
else
        if [ -x "/bin/pkill" ] ; then 
                PKILL="/bin/pkill"
        else
                PKILL="echo"
        fi
fi

# SEER feels pain and confusion if times are wrong.  This lays a big lick on
# ntp sets the time directly and then restarts it.  XXX FreeBSD incantation is
# untested.

case `uname` in 
        "FreeBSD")
                /etc/rc.d/ntpd stop
                /usr/sbin/ntpdate boss
                /etc/rc.d/ntpd start
                ;;
        "Linux")
                /etc/rc.d/init.d/ntpd stop
                /usr/sbin/ntpdate boss
                /etc/rc.d/init.d/ntpd start
                ;;
esac
# I remain unclear why ospfd seems screwed up after the resetting of accounts
# and mounts.  This seems to fix it, but it's not very satisfying.  At this
# point the federated topology is complete, so any problems with routing in a
# partial topology -e.g. failed or partial bridging - that might have confused
# the router should be gone.
$PKILL ospf
$PKILL gated

# XXX Danger, hack ahead.  Apparently our FC6-SMB image and emulab disagree
# about where gated lives.  This will alias it.
if [ ! -x /usr/sbin/gated ] ; then 
        if [ -x /sbin/gated ] ; then
                ln /sbin/gated /usr/sbin/gated
        fi
fi
/usr/local/etc/emulab/rc/rc.route 


# Execute any command passed in as a startcmd.  This basically daisy chains the
# startcmd.  This needs to become a perl script to have uniform behavior here.
echo "*$2* *$3*"
if [ ! -z "$2" ]; then 
        echo "calling *$2* *$3*"
        case `uname` in
                "FreeBSD")
                        su -l "$2" -c "$3"
                        ;;
                "Linux")
                        su "$2" --command="$3"
                        ;;
        esac
fi