<powershell>
#
# NOTE: modify 1.root pwd 2.ddns key 3.ddns private to make it work
#
# testing powershell script by setup the executionPolicy
# Set-ExecutionPolicy cmdlet enables Windows PowerShell scripts run
#    Restricted - No scripts can be run. default one
#    AllSigned - Only scripts signed by a trusted publisher
#    RemoteSigned - Downloaded scripts must be signed by a trusted publisher
#    Unrestricted - No restrictions; all Windows PowerShell scripts can be run.
# comment: Set-ExecutionPolicy RemoteSigned  CAN make thing work

net user administrator mySecretPwd

# save to /users/administrator instend of /windows/system32 (default)
cd c:\users\administrator

# get 7zip since windows 2008 does NOT have command line unzip capability
Invoke-WebRequest -Uri 'https://drive.google.com/uc?id=0B4ptjtfKqcukcVNjZ0dlWk9FY2M&export=download' -Outfile ./7z1604-w32.exe
./7z1604-w32.exe /S

# nsupdate.exe of bind package is needed to implement DDNS
mkdir bind
cd bind
Invoke-WebRequest -Uri 'https://drive.google.com/uc?id=0B4ptjtfKqcukQWZjcHlva2YyRzA&export=download' -Outfile ./BIND9.10.4-P8.x86.zip
# note: unzip at current dir which is bind (not use x but i use e option)
& 'C:\Program Files\7-Zip\7z.exe' e .\BIND9.10.4-P8.x86.zip
./vcredist_x86.exe /S

# back to home
cd c:\users\administrator

# nsupdate.exe need this DLL on \windows\system32
Invoke-WebRequest -Uri 'https://drive.google.com/uc?id=0B4ptjtfKqcukZU5mQlEwa2k0aFk&export=download' -Outfile ./msvcr110.dll
mv ./msvcr110.dll /windows/system32

# using curl to get my public IP
Invoke-WebRequest -Uri 'https://drive.google.com/uc?id=0B4ptjtfKqcukVXJ0ZUFYVW9lVUE&export=download' -Outfile ./curl.exe
$myip=./curl.exe http://myexternalip.com/raw

#FAIL!
#echo 'server ns.ifong.org.' >> nsupdate.txt
#echo 'zone ddns.ifong.org' >> nsupdate.txt
#echo 'update delete mdeelw08.ddns.ifong.org. 60 A' >> nsupdate.txt
#$text="update add mdeelw08.ddns.ifong.org. 60 A $myip"
#echo $text >> nsupdate.txt
#echo 'send' >> nsupdate.txt

Add-Content nsupdate.txt "server ns.ifong.org."
Add-Content nsupdate.txt "zone ddns.ifong.org"
Add-Content nsupdate.txt "update delete mdeelw08.ddns.ifong.org. 60 A"
$text="update add mdeelw08.ddns.ifong.org. 60 A $myip"
Add-Content nsupdate.txt $text
Add-Content nsupdate.txt "send"

# get DDNS private and key
Invoke-WebRequest -Uri 'https://drive.google.com/uc?id=mdeel-0B4ptjtfKqcukY05hUk4tdnh1VDA&export=download' -Outfile ./Kmyddns.dnssec.key.+157+04451.private
Invoke-WebRequest -Uri 'https://drive.google.com/uc?id=mdeel-0B4ptjtfKqcukUXJKU0pVUkp2U2M&export=download' -Outfile ./Kmyddns.dnssec.key.+157+04451.key

# GO update
c:\users\administrator\bind\nsupdate.exe -k c:\users\administrator\Kmyddns.dnssec.key.+157+04451.key -d c:\users\administrator\nsupdate.txt

#firefox
Invoke-WebRequest -Uri 'https://download.mozilla.org/?product=firefox-latest&os=win&lang=en-US' -OutFile ./firefox.exe
./firefox.exe /S
</powershell>