qemu installer + disk format parameter added

qemu-kvm installer for < 5 GB ram machines
mediabots · Feb 26, 2019 · d152b6c · d152b6c
1 parent 9d4fe56
commit d152b6c
Showing 1 changed file with 267 additions and 0 deletions.
diff --git a/mediabots_Ubuntu-to-Windows.sh b/mediabots_Ubuntu-to-Windows.sh
@@ -0,0 +1,267 @@
+#!/bin/bash
+#
+# installing required Ubuntu packages
+printf "Y\n" | apt install sudo -y
+sudo apt install vim genisoimage curl -y
+#
+#Vars
+mounted=0
+GREEN='\033[1;32m'
+GREEN_D='\033[0;32m'
+RED='\033[0;31m'
+YELLOW='\033[0;33m'
+BLUE='\033[0;34m'
+NC='\033[0m'
+#
+# Downloading resources
+sudo mkdir /mediabots /floppy /virtio
+#link2_status=$(curl -Is https://archive.org/download/WS2012R2/WS2012R2.ISO | grep HTTP | cut -f2 -d" ")
+##link2_status=$(curl -Is https://ia601506.us.archive.org/4/items/WS2012R2/WS2012R2.ISO | grep HTTP | cut -f2 -d" ")
+#sudo wget -P /mediabots https://archive.org/download/WS2012R2/WS2012R2.ISO # Windows Server 2012 R2 
+sudo wget -P /mediabots http://51.15.226.83/WS2012R2.ISO
+sudo wget -P /floppy https://ftp.mozilla.org/pub/firefox/releases/64.0/win32/en-US/Firefox%20Setup%2064.0.exe
+sudo mv /floppy/'Firefox Setup 64.0.exe' /floppy/Firefox.exe
+sudo wget -P /floppy https://downloadmirror.intel.com/23073/eng/PROWinx64.exe # Intel Network Adapter for Windows Server 2012 R2 
+# Powershell script to auto enable remote desktop for administrator
+sudo touch /floppy/EnableRDP.ps1
+sudo echo -e "Set-ItemProperty 'HKLM:\SYSTEM\CurrentControlSet\Control\Terminal Server\' -Name \"fDenyTSConnections\" -Value 0" >> /floppy/EnableRDP.ps1
+sudo echo -e "Set-ItemProperty 'HKLM:\SYSTEM\CurrentControlSet\Control\Terminal Server\WinStations\RDP-Tcp\' -Name \"UserAuthentication\" -Value 1" >> /floppy/EnableRDP.ps1
+sudo echo -e "Enable-NetFirewallRule -DisplayGroup \"Remote Desktop\"" >> /floppy/EnableRDP.ps1
+# Downloading Virtio Drivers
+sudo wget -P /virtio https://fedorapeople.org/groups/virt/virtio-win/direct-downloads/stable-virtio/virtio-win.iso
+# creating .iso for Windows tools & drivers
+sudo mkisofs -o /sw.iso /floppy
+#
+#Enabling KSM
+sudo echo 1 > /sys/kernel/mm/ksm/run
+#Free memories
+sync; sudo echo 3 > /proc/sys/vm/drop_caches
+# Downloading Portable QEMU-KVM
+echo "Downloading QEMU"
+#sudo wget -qO- /tmp https://ia601503.us.archive.org/12/items/vkvm.tar/vkvm.tar.gz | sudo tar xvz -C /tmp
+sudo apt-get update
+sudo apt-get install -y qemu-kvm
+# Virtualization checking..
+virtu=$(egrep '^flags.*(vmx|svm)' /proc/cpuinfo | wc -l)
+if [ $virtu = 0 ] ; then echo -e "[Error] ${RED}Virtualization/KVM in your Server/VPS is OFF${NC}"; fi
+# Gathering System information
+idx=0
+fs=($(df | awk '{print $1}'))
+for j in $(df | awk '{print $6}');do if [ $j = "/" ] ; then os=${fs[$idx]};echo $os;fi;idx=$((idx+1));done
+#
+ip=$(curl ifconfig.me)
+virtualization=$(lscpu | grep Virtualization: | head -1 | cut -f2 -d":" | awk '{$1=$1;print}')
+echo "Virtualization : "$virtualization
+model=$(lscpu | grep "Model name:" | head -1 | cut -f2 -d":" | awk '{$1=$1;print}')
+echo "CPU Model : "$model
+cpus=$(lscpu | grep CPU\(s\) | head -1 | cut -f2 -d":" | awk '{$1=$1;print}')
+echo "No. of CPU cores : "$cpus
+availableRAM=$(free -m | tail -2 | head -1 | awk '{print $7}')
+echo "Available RAM : "$availableRAM" MB"
+diskNumbers=$(fdisk -l | grep "Disk /dev/" | wc -l)
+partNumbers=$(fdisk -l | grep "^/dev/" | wc -l)
+firstDisk=$(fdisk -l | grep "Disk /dev/" | head -1 | cut -f1 -d":" | cut -f2 -d" ")
+freeDisk=$(df | grep "^/dev/" | awk '{print$1 " " $4}' | sort -g -k 2 | tail -1 | cut -f2 -d" ")
+# Windows required at least 25 GB free disk space
+firstDiskLow=0
+if [ $(expr $freeDisk / 1024 / 1024 ) -ge 25 ]; then
+	newDisk=$(expr $freeDisk \* 90 / 100 / 1024)
+	if [ $(expr $newDisk / 1024 ) -lt 25 ] ; then newDisk=25600 ; fi
+else
+	firstDiskLow=1
+fi
+#
+# setting up default values
+custom_param_os="/mediabots/"$(ls /mediabots)
+custom_param_sw="/sw.iso"
+custom_param_virtio="/virtio/"$(ls /virtio)
+#
+custom_param_ram="-m "$(expr $availableRAM - 150 )"M"
+skipped=0
+partition=0
+other_drives=""
+qemupath=$(whereis qemu-system-x86_64 | cut -f2 -d" ")
+format=",format=raw"
+if [ $diskNumbers -eq 1 ] ; then # opened 1st if
+if [ $availableRAM -ge 4650 ] ; then # opened 2nd if
+	echo -e "${BLUE}For below option pass${NC} yes ${BLUE}iff, your VPS/Server came with${NC} boot system in ${NC}${RED}'RESCUE'${NC} mode ${BLUE}feature${NC}"
+	read -r -p "Do you want to completely delete your current Linux O.S.? (yes/no) : " deleteLinux
+	deleteLinux=$(echo "$deleteLinux" | head -c 1)
+	if [ ! -z $deleteLinux ] && [ $deleteLinux = 'Y' -o $deleteLinux = 'y' ] ; then
+		sudo wget -qO- /tmp http://51.15.226.83/vkvm.tar.gz | sudo tar xvz -C /tmp
+		qemupath=/tmp/qemu-system-x86_64
+		echo "erasing primary disk data"
+		sudo dd if=/dev/zero of=$firstDisk bs=1M count=1 # blank out the disk
+		echo "mounting devices"
+		mount -t tmpfs -o size=4500m tmpfs /mnt
+		mv /mediabots/* /mnt
+		mkdir /media/sw
+		mount -t tmpfs -o size=121m tmpfs /media/sw
+		mv /sw.iso /media/sw
+		custom_param_os="/mnt/"$(ls /mnt)
+		custom_param_sw="/media/sw/sw.iso"
+		availableRAM=$(free -m | tail -2 | head -1 | awk '{print $7}')
+		custom_param_disk=$firstDisk
+		custom_param_ram="-m "$(expr $availableRAM - 150 )"M"
+		mounted=1
+	else
+		if [ $firstDiskLow = 0 ] ; then
+			if [ $partNumbers -gt 1 ] ; then 
+				idx=0
+				ix=0
+				for i in $(fdisk -l | grep "^/dev/" | tr -d "*" | tr -s '[:space:]' | cut -f5 -d" "); do
+				b=($(fdisk -l | grep "^/dev/" | tr -d "*" | tr -s '[:space:]' | cut -f1 -d" ")) 
+				if [[ $i == *"G"  ]]; then a=$(echo $i | tr -d "G"); a=${a%.*} ; if [ $a -ge 25 -a $ix = 0 -a ${b[idx]} != $os ] ; then firstDisk=${b[idx]} ; custom_param_disk=$firstDisk ; partition=1 ; ix=$((ix+3)) ; elif [ $a -ge 25 -a $ix = 3 -a ${b[idx]} != $os ] ; then other_drives="-drive file=${b[idx]},index=$ix,media=disk " ; fi ; fi ;
+				idx=$((idx+1));
+				done
+				if [ $partition = 0 ] ;then 
+					echo "creating disk image"
+					sudo dd if=/dev/zero of=/disk.img bs=1024k seek=$newDisk count=0
+					custom_param_disk="/disk.img"
+					format=",format=raw"
+				fi
+			else
+				echo "creating disk image"
+				sudo dd if=/dev/zero of=/disk.img bs=1024k seek=$newDisk count=0
+				custom_param_disk="/disk.img"
+				format=",format=raw"
+			fi
+		else
+			skipped=1
+		fi
+	fi
+else
+	if [ $firstDiskLow = 0 ] ; then
+		if [ $partNumbers -gt 1 ] ; then 
+			idx=0
+			ix=0
+			for i in $(fdisk -l | grep "^/dev/" | tr -d "*" | tr -s '[:space:]' | cut -f5 -d" "); do
+			b=($(fdisk -l | grep "^/dev/" | tr -d "*" | tr -s '[:space:]' | cut -f1 -d" ")) 
+			if [[ $i == *"G"  ]]; then a=$(echo $i | tr -d "G"); a=${a%.*} ; if [ $a -ge 25 -a $ix = 0 -a ${b[idx]} != $os ] ; then firstDisk=${b[idx]} ; custom_param_disk=$firstDisk ; partition=1 ; ix=$((ix+3)) ; elif [ $a -ge 25 -a $ix = 3 -a ${b[idx]} != $os ] ; then other_drives="-drive file=${b[idx]},index=$ix,media=disk " ; fi ; fi ;
+			idx=$((idx+1));
+			done
+			if [ $partition = 0 ] ;then 
+				echo "creating disk image"
+				sudo dd if=/dev/zero of=/disk.img bs=1024k seek=$newDisk count=0
+				custom_param_disk="/disk.img"
+				format=",format=raw"
+			fi
+		else
+			echo "creating disk image"
+			sudo dd if=/dev/zero of=/disk.img bs=1024k seek=$newDisk count=0
+			custom_param_disk="/disk.img"
+			format=",format=raw"
+		fi
+	else
+		skipped=1
+	fi
+fi # 2nd if closed
+else # 1st if else
+if [ $availableRAM -ge 4650 ] ; then
+	read -r -p "Do you want to completely delete your current Linux O.S.? (yes/no) : " deleteLinux
+	deleteLinux=$(echo "$deleteLinux" | head -c 1)
+	if [ ! -z $deleteLinux ] && [ $deleteLinux = 'Y' -o $deleteLinux = 'y' ] ; then
+		sudo wget -qO- /tmp http://51.15.226.83/vkvm.tar.gz | sudo tar xvz -C /tmp
+		qemupath=/tmp/qemu-system-x86_64
+		echo "erasing primary disk data"
+		sudo dd if=/dev/zero of=$firstDisk bs=1M count=1 # blank out the disk
+		echo "mounting devices"
+		mount -t tmpfs -o size=4500m tmpfs /mnt
+		mv /mediabots/* /mnt
+		mkdir /media/sw
+		mount -t tmpfs -o size=121m tmpfs /media/sw
+		mv /sw.iso /media/sw
+		custom_param_os="/mnt/"$(ls /mnt)
+		custom_param_sw="/media/sw/sw.iso"
+		availableRAM=$(free -m | tail -2 | head -1 | awk '{print $7}')
+		custom_param_disk=$firstDisk
+		custom_param_ram="-m "$(expr $availableRAM - 150 )"M"
+		mounted=1
+	else
+		echo "using secondary disk for installation."
+		custom_param_disk=$(fdisk -l | grep "Disk /dev/" | awk 'NR==2' | cut -f2 -d" " | cut -f1 -d":") # 2nd disk chosen
+	fi
+else
+	echo "using secondary disk for installation.."
+	custom_param_disk=$(fdisk -l | grep "Disk /dev/" | awk 'NR==2' | cut -f2 -d" " | cut -f1 -d":")
+fi
+fi # closed 1st if
+# Adding other disks only if multi partitions are not exist
+if [ $partition = 0 ] ; then
+ix=2
+if [ $custom_param_disk != "/disk.img" ] ; then
+	for i in $(fdisk -l | grep "Disk /dev/" | cut -f2 -d" " | cut -f1 -d ":") ; do
+	if [ $i != $custom_param_disk ];then 
+	#echo $i;
+	ix=$((ix+1))
+	other_drives=$other_drives"-drive file=$i,index=$ix,media=disk "
+	if [ $ix = 3 ]; then break; fi
+	fi
+	done
+fi
+fi
+#
+# Running the KVM
+echo "[ Running the KVM ]"
+if [ $skipped = 0 ] ; then
+echo "[.] running QEMU-KVM"
+sudo $qemupath -net nic -net user,hostfwd=tcp::3389-:3389 -show-cursor $custom_param_ram -localtime -enable-kvm -cpu host,hv_relaxed,hv_spinlocks=0x1fff,hv_vapic,hv_time,+nx -M pc -smp cores=$cpus -vga std -machine type=pc,accel=kvm -usb -device usb-tablet -k en-us -drive file=$custom_param_disk,index=0,media=disk$format -drive file=$custom_param_os,index=1,media=cdrom -drive file=$custom_param_sw,index=2,media=cdrom $other_drives -boot once=d -vnc :0 &	
+# [note- no sudo should be used after that]
+#pidqemu=$(pgrep qemu) # does not work
+pid=$(echo $! | head -1)
+disown -h $pid
+echo "disowned PID : "$pid
+if [ $mounted = 1 ]; then
+echo -e "wget -P /tmp http://51.15.226.83/vkvm.tar.gz && tar -C /tmp -zxvf /tmp/vkvm.tar.gz && rm /tmp/vkvm.tar.gz && $qemupath -net nic -net user,hostfwd=tcp::3389-:3389 -show-cursor $custom_param_ram -localtime -enable-kvm -cpu host,hv_relaxed,hv_spinlocks=0x1fff,hv_vapic,hv_time,+nx -M pc -smp cores=$cpus -vga std -machine type=pc,accel=kvm -usb -device usb-tablet -k en-us -drive file=$custom_param_disk,index=0,media=disk$format $other_drives -boot c -vnc :0 & disown %1" > /details.txt
+else
+echo -e "$qemupath -net nic -net user,hostfwd=tcp::3389-:3389 -show-cursor $custom_param_ram -localtime -enable-kvm -cpu host,hv_relaxed,hv_spinlocks=0x1fff,hv_vapic,hv_time,+nx -M pc -smp cores=$cpus -vga std -machine type=pc,accel=kvm -usb -device usb-tablet -k en-us -drive file=$custom_param_disk,index=0,media=disk$format $other_drives -boot c -vnc :0 & disown %1" > /details.txt
+fi
+echo -e "${YELLOW} SAVE BELOW GREEN COLORED COMMAND IN A SAFE LOCATION FOR FUTURE USAGE${NC}"
+if [ $mounted = 1 ]; then
+echo -e "${GREEN_D}wget -P /tmp http://51.15.226.83/vkvm.tar.gz && tar -C /tmp -zxvf /tmp/vkvm.tar.gz && /tmp/rm vkvm.tar.gz && $qemupath -net nic -net user,hostfwd=tcp::3389-:3389 -show-cursor $custom_param_ram -localtime -enable-kvm -cpu host,hv_relaxed,hv_spinlocks=0x1fff,hv_vapic,hv_time,+nx -M pc -smp cores=$cpus -vga std -machine type=pc,accel=kvm -usb -device usb-tablet -k en-us -drive file=$custom_param_disk,index=0,media=disk$format $other_drives -boot c -vnc :0 & disown %1${NC}"
+else
+echo -e "${GREEN_D}$qemupath -net nic -net user,hostfwd=tcp::3389-:3389 -show-cursor $custom_param_ram -localtime -enable-kvm -cpu host,hv_relaxed,hv_spinlocks=0x1fff,hv_vapic,hv_time,+nx -M pc -smp cores=$cpus -vga std -machine type=pc,accel=kvm -usb -device usb-tablet -k en-us -drive file=$custom_param_disk,index=0,media=disk$format $other_drives -boot c -vnc :0 & disown %1${NC}"
+fi
+echo -e "${BLUE}comamnd also saved in /details.txt file${NC}"
+echo -e "${YELLOW}Now download 'VNC Viewer' App from here :${NC} https://www.realvnc.com/en/connect/download/viewer/\n${YELLOW}Then install it on your computer${NC}"
+echo -e "Finally open ${GREEN_D}$ip:0${NC} on your VNC viewer."
+if [ $mounted = 1 ]; then
+read -r -p "Had your Windows Server setup completed successfully? (yes/no) : " setup_initial
+setup_initial=$(echo "$setup_initial" | head -c 1)
+sleep 10
+if [ ! -z $setup_initial ] && [ $setup_initial = 'Y' -o $setup_initial = 'y' ] ; then
+echo $pid $cpus $custom_param_disk $custom_param_sw $other_drives
+echo "helper called" 
+for i in $(ps aux | grep -i "qemu-system" | head -2 | cut -f7 -d" ") ; do echo "killing process id : "$i ; kill -9 $i ; done
+#sleep 30
+echo "un-mounting"
+umount -l /mnt
+sleep 10
+df
+sync; echo 3 > /proc/sys/vm/drop_caches
+free -m
+availableRAM=$(free -m | tail -2 | head -1 | awk '{print $7}')
+custom_param_ram="-m "$(expr $availableRAM - 150 )"M"
+custom_param_ram2="-m "$(expr $availableRAM - 500 )"M"
+echo $custom_param_ram
+echo "[..] running QEMU-KVM again"
+$qemupath -net nic -net user,hostfwd=tcp::3389-:3389 -show-cursor $custom_param_ram -localtime -enable-kvm -cpu host,hv_relaxed,hv_spinlocks=0x1fff,hv_vapic,hv_time,+nx -M pc -smp cores=$cpus -vga std -machine type=pc,accel=kvm -usb -device usb-tablet -k en-us -drive file=$custom_param_disk,index=0,media=disk$format -drive file=$custom_param_sw,index=1,media=cdrom $other_drives -boot c -vnc :0 &
+pid2=$(echo $! | head -1)
+disown -h $pid2
+echo "disowned PID : "$pid2
+echo -e "${YELLOW} SAVE BELOW GREEN COLORED COMMAND IN A SAFE LOCATION FOR FUTURE USAGE${NC}"
+if [ $mounted = 1 ]; then
+echo -e "${GREEN}wget -P /tmp http://51.15.226.83/vkvm.tar.gz && tar -C /tmp -zxvf /tmp/vkvm.tar.gz && rm /tmp/vkvm.tar.gz && $qemupath -net nic -net user,hostfwd=tcp::3389-:3389 -show-cursor $custom_param_ram2 -localtime -enable-kvm -cpu host,hv_relaxed,hv_spinlocks=0x1fff,hv_vapic,hv_time,+nx -M pc -smp cores=$cpus -vga std -machine type=pc,accel=kvm -usb -device usb-tablet -k en-us -drive file=$custom_param_disk,index=0,media=disk$format $other_drives -boot c -vnc :0 & disown %1${NC}"
+else
+echo -e "${GREEN}$qemupath -net nic -net user,hostfwd=tcp::3389-:3389 -show-cursor $custom_param_ram2 -localtime -enable-kvm -cpu host,hv_relaxed,hv_spinlocks=0x1fff,hv_vapic,hv_time,+nx -M pc -smp cores=$cpus -vga std -machine type=pc,accel=kvm -usb -device usb-tablet -k en-us -drive file=$custom_param_disk,index=0,media=disk$format $other_drives -boot c -vnc :0 & disown %1${NC}"
+fi
+echo -e "Now you can access your Windows server through \"VNC viewer\" or \"Remote Desktop Application\" (if your server 'Remote Desktop' is enabled)."
+echo "Job Done :)"
+fi
+else
+echo "Job Done :)"
+fi
+else
+echo "Windows OS required at least 25GB free desk space. Your Server/VPS does't have 25GB free space!"
+echo "Exiting....."
+fi