Dynamips: Linux 下的 dynamips 进程启动脚本

#!/bin/sh


if [ -z "$EUID" -a -x /usr/bin/id ]; then
   EUID=`id -u`
fi

if [ "$EUID" = "0" ]; then

   /sbin/ifconfig tap0 > /dev/null 2>&1
   if [ "$?" = "0" ]; then
      ifconfig tap0 169.254.1.1 netmask 255.255.255.0 up
   else
      # *** If create tap device with openvpn, then it will be failed while
      #     pinging tap0 from VIRTUAL ROUTER, I don't know why, but tunctl
      #     works fine. ***
      #
      #     openvpn --mktun --dev tap0
      tunctl -u wandering -t tap0
      ifconfig tap0 169.254.1.1 netmask 255.255.255.0 up
   fi

   cd /tmp/Dynamips
   ps aux | grep 'dynamips -H' | awk '{print }' | xargs kill
   dynamips -H 7200 &
   dynamips -H 7201 &
   dynamips -H 7202 &
   dynamips -H 7203 &

else

   echo
   echo "*** Permission denied, please run this as root! ***"
   echo
   exit 1

fi