alexbodn · August 22, 2022 07:30 · Aug 22, 2022
diff --git a/win10-cloud-install.txt b/win10-cloud-install.txt
@@ -0,0 +1,162 @@
+#!/bin/sh
+
+#first install linux (i like debian) and ensure you have 3
+#bootable partitions, with the disk partitioned as mbr.
+#ext4 partition holding debian, with about 20GB free for downloads.
+#ntfs with at least 32GB to install windows in.
+#ntfs of about 32GB for preparing a bootable rescue disk.
+
+#the default partitioning mode is gpr, with one linux partition that
+#takes the whole disk. you may repartition the disk while booting a
+#rescue debian, and convert to mbr as explained here:
+#https://www.techwalla.com/articles/how-to-convert-gpt-to-mbr-on-linux.
+
+#i bought custom boot images space at contabo, and installed debian
+#from it's net iso media. the only special thing was giving your vps
+#ip as the ethernet address.
+#https://www.debian.org/CD/netinst/.
+
+installation_image=6 #pro
+menuentry_file=/etc/grub.d/45_custom
+
+#put here the foloowing 2 files:
+iso_loc=/usr/local/winfiles-dl
+
+#see full instructions at: https://pve.proxmox.com/wiki/Windows_VirtIO_Drivers,
+#and download the drivers iso at the link named "download the latest stable" on that page
+#of course, you may prefer "download the most recent"
+virtio_iso=${iso_loc}/virtio-win.iso
+#choose what to download in the browser at:
+#https://www.microsoft.com/en-us/software-download/windows10ISO
+#you'll get a temporary link and wget the iso in your VPS.
+win_iso=${iso_loc}/Win10_21H2_English_x64.iso
+
+tmp_wim=/tmp/wim
+subdir_virtio=${tmp_wim}/virtio
+wim_log=/tmp/wim-log
+win_mnt=/mnt
+
+wim_part_no=3
+wim_device=/dev/sda${wim_part_no}
+eval $(blkid -o export ${wim_device})
+wim_uuid=${UUID}
+
+win_part_no=2
+win_device=/dev/sda${win_part_no}
+eval $(blkid -o export ${win_device})
+win_uuid=${UUID}
+
+
+adddate() {
+    while IFS= read -r line; do
+        printf '%s %s\n' "$(date -u)" "$line";
+    done
+}
+
+virtio_wim() {
+    echo "preparing ${1}.wim part ${2}" | tee -a ${wim_log}
+    mkdir -p ${tmp_wim}
+    wim_file=${win_mnt}/sources/${1}.wim
+    wimlib-imagex mountrw ${wim_file} ${2} ${tmp_wim}
+    echo "before:" | adddate >> ${wim_log}
+    ls -l ${wim_file} | tee -a ${wim_log}
+    du -s ${tmp_wim} | tee -a ${wim_log}
+#    wiminfo ${wim_file} ${2} >> ${wim_log}
+    mkdir -p ${subdir_virtio}
+    7z x ${virtio_iso} -o${subdir_virtio}
+    echo "after:" | adddate >> ${wim_log}
+    du -s ${tmp_wim} | tee -a ${wim_log}
+    wimlib-imagex unmount ${tmp_wim} --commit
+    ls -l ${wim_file} | tee -a ${wim_log}
+#    wiminfo ${wim_file} ${2} >> ${wim_log}
+    echo "------------------" | tee -a ${wim_log}
+}
+
+unpack_win() {
+    echo "umount ${wim_device}"
+    umount ${wim_device}
+    echo "mkfs.ntfs ${wim_device} --fast"
+    mkfs.ntfs ${wim_device} --fast
+    echo "mount ${wim_device} ${win_mnt}"
+    mount ${wim_device} ${win_mnt}
+    echo "7z x ${win_iso} -o${win_mnt}"
+    7z x ${win_iso} -o${win_mnt}
+}
+
+grub_menuentry() {
+cat > ${menuentry_file} << EOM
+#!/bin/sh
+exec tail -n +3 \$0
+# This file provides an easy way to add custom menu entries.  Simply type the
+# menu entries you want to add after this comment.  Be careful not to change
+# the 'exec tail' line above.
+menuentry 'Windows Recovery / Install (on ${wim_device})' --class windows --class os {
+    insmod part_msdos
+    insmod ntfs
+    insmod ntldr
+    set root='hd0,msdos${wim_part_no}'
+    ntldr /bootmgr
+    boot
+}
+
+menuentry "Windows 10" --class windows --class os {
+    insmod part_msdos
+    insmod fat
+    if [ x$feature_platform_search_hint = xy ]; then
+      search --no-floppy --fs-uuid --set=root  7A03-CA46
+    else
+      search --no-floppy --fs-uuid --set=root 7A03-CA46
+    fi
+    chainloader /efi/Microsoft/Boot/bootmgfw.efi
+}
+
+menuentry "Windows 10" --class windows --class os $menuentry_id_option 'osprober-efi-' {
+    insmod part_msdos
+    insmod fat
+    insmod ntfs
+    set root='hd0,msdos2'
+#    search --no-floppy --fs-uuid --set=root CE922B2D922B198B
+#    chainloader /efi/Microsoft/Boot/bootmgfw.efi
+    ntldr /bootmgr
+    boot
+}
+EOM
+chmod +x ${menuentry_file}
+}
+
+rm -f ${wim_log}
+unpack_win
+virtio_wim "boot" 1
+virtio_wim "boot" 2
+virtio_wim "install" ${installation_image}
+
+grub_menuentry
+
+update-grub
+#grub-mkconfig
+
+#boot the vps from the windows menuentry.
+#start the installation.
+#when the program will ask for the installation media,
+#select the installation disk X:\virtio\amd64\w10, found and took scsi drivers.
+#continue the installation flavour, like the installation image above.
+#in the window with the partition selection, install in the 32GB ntfs partition above,
+#and additional drivers may be loaded.
+#load the X:\virtio\NetKVM and X:\virtio\Balloon \w10\amd64.
+#better explained here: https://pve.proxmox.com/wiki/Windows_10_guest_best_practices.
+#i should have installed qxl video drivers, will do that later.
+#windows will reboot, and let you continue the installation.
+
+#shut down windows and run debian rescue again, to reactivate the dual boot menu.
+#mount the first (linux) device: mount /dev/sda1 /mnt.
+#reinstall grub:
+#grub-install --directory=/mnt/usr/lib/grub/i386-pc --boot-directory=/mnt/boot /dev/sda
+
+#my solution was based on study of the following sources, though i wasn't able to apply,
+#due to my clumsiness:
+#https://erisa.dev/install-windows-on-a-contabo-vps/
+#https://savepearlharbor.com/?p=294698
+#https://www.whatuptime.com/community/technical-support/windows-10-on-contabo-ssd-vps/
+
+#see another approach:
+#https://medium.com/@pistol.air32/running-windows-10-at-contabo-vps-1a0f6a82dfdb