archlinux_conf/home/.bin/shell/getip

   1 #!/bin/sh
   2
   3 #dhclient a ip from dhcp server
   4 #if give a parameter 'fix', I will fix eth0 ip to 172.21.5.133
   5
   6 isfixip=$1
   7 FIXIP=172.21.5.133
   8 IFACE=${ETH_LAN}
   9
  10 sudo killall -9 dhcpcd 1>/dev/null 2>&1
  11 #echo $isfixip
  12 #if [ "$isfixip" != "fix" ]; then
  13         sudo killall -9 dhclient
  14         sudo dhclient $IFACE
  15         echo "--------------------"
  16         if [ "$?" = "0" ]; then
  17                 echo "get ip from dhcp server success"
  18         else
  19                 echo "occur err when get ip for $IFACE"
  20                 exit 1
  21         fi
  22         if [ -x /etc/init.d/xinetd ]; then
  23                 /etc/init.d/xinetd      restart
  24         fi
  25 #fi
  26
  27 if [ "$isfixip" = "fix" ]; then
  28         #fix ip to $FIXIP now
  29         sudo ifconfig $IFACE $FIXIP
  30         sudo ifconfig $IFACE down
  31         sudo ifconfig $IFACE up
  32         #did success our do
  33         if [ "$?" = "0" ]; then
  34                 echo "arrow:you have fix ip($FIXIP) success -_-"
  35         else
  36                 echo "arrow:check fix ip correct ?"
  37         fi
  38         echo "--------------------"
  39         #will restart inet2
  40         sudo /etc/rc.d/rc.inet1 restart
  41         #if [ -x /etc/init.d/xinetd ]; then
  42                 #/etc/init.d/xinetd     restart
  43         #fi
  44         sudo /etc/rc.d/rc.inet2 restart
  45 else
  46         echo "DONE success dynamic ip"
  47         sudo killall -9 dhcpcd 1>/dev/null 2>&1
  48 fi
  49
  50 sudo killall -9 dhclient
  51
  52 #ping -c 4 $GW