As part of our new Windows 7/AD deployment, SCCM is being used to control the imaging process of desktop computers.
We already have a comprehensive set of PXE enabled boot options so we needed a way to integrate the SCCM tools into our existing PXE setup.
The existing setup is syslinux(pxelinux) 3.11 on CentOS 5, ISC dhcpd and tftp.
We have several Linux live CDs, memtest, novell tools, DOS and chain booting to another (novell) server.
Our Microsoft team provide a bootable CD which we can use to image desktop machines and on some subnets they now provide the ability to PXE boot. Initially I hoped we could just chain boot to the SCCM server but that does not work.
After much research and testing I worked out a process using wimboot. Based on instructions found on http://ipxe.org/howto/sccm and http://forum.ipxe.org/showthread.php?tid=5745 I managed to write a script which converts a CD (ISO image).
The pxelinux entry is:
append ad/wimboot initrd=ad/winpe.cpio
The files are in a tftp subdirectory called ad
linux.c32 is part of syslinux. I am using version 4.02 which was copied from a CentOS 6 server.
wimboot is available for download from ipxe.
winpe.cpio is a file we are going to create using my script below.
I also required a copy of bootmgr.exe which should be available on your microsoft tftp server but I was unable to find it and in the end I got a copy from our Mircosoft team.
Finally, I needed a copy of wimlib which has a linux version of the imagex tool. I was unable to find a RPM of this package and I just built it from source using the --without-ntfs-3g. (The source comes with .spec files so an RPM should be easy to build).
So here is my script:
# Written by John Newbigin firstname.lastname@example.org
if [ "$(whoami)" = "root" ] ; then
if [ ! -f bootmgr.exe ] ; then
echo "You need a copy of bootmgr.exe"
mount -o loop $ISO $SCCMFILES
cp $SCCMFILES/boot/bcd BCD
cp $SCCMFILES/boot/boot.sdi .
cp $SCCMFILES/sources/boot.wim .
$IMAGEX mountrw boot.wim 1 $MNTPNT
cp -drv $SCCMFILES/sms/* $MNTPNT/sms/
ARCH=$(grep TsBootShell.exe $MNTPNT/Windows/System32/winpeshl.ini | cut -d \\ -f 4)
# edit winpeshl.ini
perl -pi -e "s|.*$ARCH.*|\"wscript.exe\",\"%SYSTEMDRIVE%\\\\sms\\\\bin\\\\$ARCH\\\\bootstrap.vbs\"|" $MNTPNT/Windows/System32/winpeshl.ini
# install bootstrap.vbs
cat > $MNTPNT/sms/bin/$ARCH/bootstrap.vbs << END
Set os = WScript.CreateObject ( "WScript.Shell" )
os.Run "%COMSPEC%", 7, false
os.Run "%COMSPEC% /c title Initialising... && wpeinit " & _
"&& net start dnscache", 1, true
os.Run WScript.ScriptFullName & "\..\TsmBootStrap.exe /env:WinPE " & _
"/configpath:%SYSTEMDRIVE%\sms\data", 1, true
$IMAGEX unmount $MNTPNT --commit
ls BCD bootmgr.exe boot.sdi boot.wim | cpio --create -H newc > winpe.cpio
rm BCD boot.sdi boot.wim
echo "You must be root to run this script"
I hope this is of use to someone.
As off WinPE 4, there are a few minor changes to the script which are required. These are to support UDF filesystem, File name case changes and UCS-2 encoded files.ReplyDelete
I will post a new version soon.
I recently had a new problem with the process. Identical to this http://lists.ipxe.org/pipermail/ipxe-devel/2013-August/002716.htmlReplyDelete
After much testing and experimentation I found a rather simple fix, Just create these registry keys
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تمثل المكيفات دور هام في حياتنا في اشهر الصيفReplyDelete
بغض النظر عن أنها يمكن أن تخلصك من الحرارة، لكن يؤكد كثير من الباحثين أن مكيفات الهواء غير صحية، حيث إن لها العديد من الآثار السلبية على صحتك إذا لم يتم تنظيفها بانتظام.
تعمل عملية تنظيف المكيفات علي التخلص التام من الاوساخ و الاتربة التى تكون عالقة بالتكييف و التى تسبب العديد من امراض الحساسية، زيادة قوة دفع الهواء الخارج من المكيف، حماية التكييف من الاعطال المحتملة و المتكررة
كما تساعد على خروج الهواء النقي
شركة الهرم تقدم خدمات تنظيف المكيفات بالادوات الخاصة للمكيف مع ارخص الاسعار وعمالة مدربة ومتخصصون في هذا المجال
تكييف الهواء هو جهاز يثبت في الغرف أو السيارات ونحوها، وتديره القوة الكهربية، لتقوم بخفض الحرارة فتبرد الجو في فصل الصيف أو يتم رفعها في فصل الشتاء حتى تقوم بتدفئة الجو، ويوجد العديد من أنواع أجهزة التكييف فمنها ما هو مناسب للمنازل ومنها ما يناسب الشركات والمصانع وحتى المراكز التجارية والمعروف عن أجهزة التكييف هو حاجتها للتنظيف باستمرار وبطريقة معينة حتى لا تتسبب الأتربة في تلفها.
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يعتبر التكييف من أساسيات الأجهزة الكهربائية في المنزل بسبب درجات الحرارة المرتفعة، لذلك يحرص الجميع على تنظيفه باستمرار من الأتربة أو الشوائب للحفاظ عليه من الأعطال والتلف
يوجد العديد من الشركات التي تتيح خدمات تنظيف المكيفات و لعل من اهم تلك الشركات شركتنا و التي تعد واحدة من اهم شركات تنظيف المكيفات بالاعتماد على احدث الاجهزة و المعدات و بتنفيذ امهر العمال و الفنيين.
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