diff --git a/install_functions b/install_functions
new file mode 100644
index 0000000..4d71b44
--- /dev/null
+++ b/install_functions
@@ -0,0 +1,210 @@
+################################################################
+# Title:.......Automatic install/update OScam                  #
+# Author:......Prilly                                          #
+# Support:.....prilly@speedbox.me                              #
+# Date:........15 Mars 2016                                    #
+# Description:.Automaticaly install OScam with systemd support #
+#              Updates OScam to latest or specific SVN version #
+################################################################
+
+run_install(){
+if [ $(whoami) != "root" ]; then
+	dialog --title "OScam Installer" --msgbox "\n Only ROOT can run this script!" 7 70
+	return 1
+elif [ -f ${daemon_dir}/oscam1 ]; then
+	dialog --title "OScam Installer" --msgbox "\n OScam already installed! Try running OScam upgrade instead!" 7 70
+	return 1
+else
+	dialog --title "Confirmation"  --yesno "\n Install OScam CardServer?" 7 70
+	if [ ${?} -eq 1 2>/dev/null ]; then
+		return 1
+	else
+		check_distrib
+		if [ ${?} -eq 0 2>/dev/null ]; then
+			set_instances_count
+			install_reader_fw
+			copy_files
+			compile_oscam
+			restart_oscam
+			dialog --title "OScam Installer" --msgbox "\n Installation completed ok!\n Webif: http://IP-of-server:888[1-9]\n Webif user/pass = root/root" 9 70
+		fi
+	fi
+fi
+}
+
+run_update(){
+dialog --title "OScam Installer" --msgbox "To run an upgrade of OScam, the install routine must have been run once earlier.
+This script does NOT support upgrading OScam without OScam has been initially installed by the script. 
+IMPORTANT: SysV is now replaced with Systemd, use systemctl start|stop|restart oscam(1-9).service" 13 70
+if [ $(whoami) != "root" ]; then
+	dialog --title "OScam Installer" --msgbox "\n Only ROOT can run this script!" 7 70
+	return 1
+elif [ ! -d ${conf_dir}/oscam1 ]; then
+	dialog --title "OScam Installer" --msgbox "\n OScam not installed! Try running OScam install instead!" 7 70
+	return 1
+else
+	dialog --title "Confirmation"  --yesno "\n Update OScam CardServer?" 7 70
+	if [ ${?} -eq 1 2>/dev/null ]; then
+		return 1
+	else
+		check_distrib
+		if [ ${?} -eq 0 2>/dev/null ]; then
+			set_instances_count
+			copy_files
+			compile_oscam
+			restart_oscam
+			dialog --title "OScam Installer" --msgbox "\n OScam CardServer upgrade completed!" 7 70
+		fi
+	fi
+fi
+}
+
+check_distrib(){
+local cd_os=""
+local cd_ver=""
+if [ -f /etc/lsb-release ]; then
+	. /etc/lsb-release
+	cd_os="${DISTRIB_ID}"
+	cd_ver="${DISTRIB_RELEASE}"
+elif [ -f /etc/debian_version ]; then
+	cd_os="Debian"
+	cd_ver="$(cat /etc/debian_version)"
+elif [ -f /etc/redhat-release ]; then
+	cd_os="Red Hat"
+	cd_ver="$(cat /etc/redhat-release)"
+elif [ -f /etc/SuSE-release ]; then
+	cd_os="SuSE"
+	cd_ver="$(cat /etc/SuSE-release)"
+else
+	cd_os="$(uname -s)"
+	cd_ver="$(uname -r)"
+fi
+if [ "${cd_os}" = "Debian" ] || [ "${cd_os}" = "Ubuntu" ]; then
+	install_dep_deb
+	return 0
+else
+	dialog --title "OScam Installer" --msgbox "\n Your distribution: ${cd_os} ${cd_ver} is unsupported" 7 70
+	return 1
+fi
+}
+
+install_dep_deb(){
+apt-get update
+apt-get -y install cmake sudo curl git build-essential libssl-dev libncurses-dev dialog
+apt-get -y install usbutils libusb-dev libusb-1.0-0 libusb-1.0-0-dev
+}
+
+set_instances_count(){
+local instances_count=$(find ${conf_dir}/oscam? -maxdepth 0 -type d 2>/dev/null | wc -l)
+if [ ${instances_count} -eq 0 2>/dev/null ]; then
+	exec 3>&1 
+	local instances_var=$(dialog --title "OScam Installer" --inputbox "\n How many instances should be installed? (1->9):" 8 70 2>&1 1>&3)
+	exec 3>&-;
+	while [ ! ${instances_var} -gt 0 ] || [ ! ${instances_var} -le 9 ]; do
+		dialog --title "OScam Installer" --msgbox "\n Error -> valid range is: (1 to 9)" 7 70
+		exec 3>&1 
+		local instances_var=$(dialog --title "OScam Installer" --inputbox "\n How many instances should be installed? (1->9):" 8 70 2>&1 1>&3)
+		exec 3>&-;
+	done
+	instances=${instances_var}
+else
+	instances=${instances_count}
+fi
+}
+
+install_reader_fw(){
+dialog --title "Confirmation" --yesno "\n Install HID Omnikey USB card reader firmware?\n OMNIKEY: 512x, 532x, 1021, 3x21, 6121" 8 70
+if [ ${?} -eq 0 2>/dev/null ]; then
+	apt-get -y install pcscd pcsc-tools libpcsclite-dev
+	if [ $(getconf LONG_BIT) -eq 64 2>/dev/null ]; then
+		tar -xvzf pcsc/${fw_hid_64}.tar.gz -C pcsc
+		cd pcsc/${fw_hid_64}
+		./install
+	else
+		tar -xvzf pcsc/${fw_hid_86}.tar.gz -C pcsc
+		cd pcsc/${fw_hid_86}
+		./install
+	fi
+	cd - >/dev/null
+fi
+}
+
+copy_files(){
+if [ ! -d ${conf_dir} ]; then
+	mkdir -p ${conf_dir}
+fi
+for i in $(seq 1 ${instances}); do
+	if [ ! -f ${sysd_dir}/oscam${i}.service ]; then
+		cp script/systemd/oscam${i}.service ${sysd_dir}/oscam${i}.service
+	else
+		cp -u script/systemd/oscam${i}.service ${sysd_dir}/oscam${i}.service
+	fi
+	if [ ! -d ${log_dir}/oscam${i} ]; then
+		mkdir -p ${log_dir}/oscam${i}
+	fi
+	if [ ! -d ${conf_dir}/oscam${i} ]; then
+		mkdir -p ${conf_dir}/oscam${i}
+	fi
+	if [ ! -f ${conf_dir}/oscam${i}/oscam.conf ]; then
+		cp config/oscam${i}.conf ${conf_dir}/oscam${i}/oscam.conf
+	fi
+	chmod 755 ${sysd_dir}/oscam${i}.service
+	chmod 755 -R ${conf_dir}/oscam${i}
+	systemctl enable oscam${i}.service
+done
+}
+
+compile_oscam(){
+local co_build_opt="OSCAM_BIN=oscam"
+local now=$(date +"%m_%d_%Y")
+exec 3>&1 
+local compile_var=$(dialog --title "OScam Installer" --inputbox "\n Compile OScam source: version or HEAD?: (10255/HEAD)" 8 70 2>&1 1>&3)
+exec 3>&-;
+if [ ${compile_var} -eq ${compile_var} 2>/dev/null ]; then
+	git clone --depth 1 --branch ${compile_var} ${git_url} ${work_dir}/oscam-svn
+else
+	git clone --depth 1 ${git_url} ${work_dir}/oscam-svn
+fi
+cd ${work_dir}/oscam-svn
+make config
+if [ $(dpkg-query -W -f='${Status}' libpcsclite* 2>/dev/null | grep -c "ok installed") -eq 1 2>/dev/null ]; then
+	dialog --title "Confirmation" --yesno "\n Found libpcsclite -> Add USE_PCSC=1 to build option? (Default YES)" 7 80
+	if [ ${?} -eq 0 2>/dev/null ]; then
+		co_build_opt+=" USE_PCSC=1"
+	fi
+fi
+if [ $(dpkg-query -W -f='${Status}' libusb-1.0-0-dev 2>/dev/null | grep -c "ok installed") -eq 1 2>/dev/null ]; then
+	dialog --title "Confirmation" --yesno "\n Found libusb -> Add USE_LIBUSB=1 to build option? (Default YES)" 7 80
+	if [ ${?} -eq 0 2>/dev/null ]; then
+		co_build_opt+=" USE_LIBUSB=1"
+	fi
+fi
+make ${co_build_opt}
+cd - >/dev/null
+for i in $(seq 1 ${instances}); do
+	if [ -f ${sysd_dir}/oscam${i}.service ]; then
+		systemctl stop oscam${i}.service
+	else
+		killall -9 oscam${i}
+	fi
+	if [ -f ${daemon_dir}/oscam${i} ]; then
+		mv -f ${daemon_dir}/oscam${i} ${daemon_dir}/old_oscam${i}_${now}
+	fi
+	cp ${work_dir}/oscam-svn/oscam ${daemon_dir}/oscam${i}
+	chmod 755 ${daemon_dir}/oscam${i}
+done
+rm -rf ${work_dir}/oscam-svn
+dialog --title "OScam Installer" --msgbox "\n OScam CardServer compiled successfully!" 7 70
+}
+
+restart_oscam(){
+for i in $(seq 1 ${instances}); do
+	if [ -f ${sysd_dir}/oscam${i}.service ]; then
+		systemctl stop oscam${i}.service
+		systemctl start oscam${i}.service
+	else
+		dialog --title "OScam Installer" --msgbox "\n ${sysd_dir}/oscam${i}.service file is missing!" 7 70
+	fi
+	sleep 1
+done
+}