diff --git a/build_master b/build_master
old mode 100644
new mode 100755
diff --git a/build_modules b/build_modules
old mode 100644
new mode 100755
diff --git a/linux-live/buildconfig b/linux-live/buildconfig
index 37b2148..7316b36 100644
--- a/linux-live/buildconfig
+++ b/linux-live/buildconfig
@@ -29,4 +29,6 @@ APT_CMD="apt-get"
 APT_OPTIONS="-y" #--no-install-recommends"
 
 #LIVE_TYPE="casper"
-LIVE_TYPE="livekit"
\ No newline at end of file
+LIVE_TYPE="casper"
+
+INSTALL_OPTIONAL="1"
\ No newline at end of file
diff --git a/linux-live/minioslib b/linux-live/minioslib
index d077149..b1c5bef 100644
--- a/linux-live/minioslib
+++ b/linux-live/minioslib
@@ -1418,6 +1418,28 @@ EOF
 		fi
 		update-initramfs -u
 
+		if [ $INSTALL_OPTIONAL = "1" ]; then
+			if [ -f /linux-live/modules/03-apps/package.list ]; then
+				$APT_CMD update >>$OUTPUT 2>&1 &&
+					sudo DEBIAN_FRONTEND=$DEBIAN_FRONTEND_TYPE \
+						$APT_CMD install $APT_OPTIONS \
+						$(grep -vE "^\s*#" /linux-live/modules/03-apps/package.list | tr "\n" " ") >>$OUTPUT 2>&1
+			fi
+			if [ "$(ls -A /linux-live/modules/03-apps/rootcopy)" != "" ]; then
+				(cd /linux-live/modules/03-apps/rootcopy && cp --parents -afr * /)
+			fi
+			if [ -f /linux-live/modules/03-apps/postinstall ]; then
+				chmod +x /linux-live/modules/03-apps/postinstall
+				/linux-live/modules/03-apps/postinstall
+			fi
+			if [ -f /linux-live/modules/04-drivers/package.list ]; then
+				$APT_CMD update >>$OUTPUT 2>&1 &&
+					sudo DEBIAN_FRONTEND=$DEBIAN_FRONTEND_TYPE \
+						$APT_CMD install $APT_OPTIONS \
+						$(grep -vE "^\s*#" /linux-live/modules/04-drivers/package.list | tr "\n" " ") >>$OUTPUT 2>&1
+			fi
+		fi
+
 	fi
 
 	if [ -f /usr/share/xfce4/backdrops/xubuntu-wallpaper.png ]; then
@@ -1671,6 +1693,8 @@ EOF
 	rm -f $MODULE_UPPER_DIR/var/lib/apt/lists/*InRelease >>$OUTPUT 2>&1
 	rm -f $MODULE_UPPER_DIR/var/lib/apt/lists/deb.* >>$OUTPUT 2>&1
 	rm -f $MODULE_UPPER_DIR/var/lib/dpkg/*-old >>$OUTPUT 2>&1
+	rm -f /preinstall
+	rm -f /postinstall
 }
 
 function build_modules_chroot() {
@@ -1706,8 +1730,8 @@ function build_modules_chroot() {
 
 			# run pre-install script
 			if [ -f $SCRIPT_DIR/linux-live/modules/$MODULE/preinstall ]; then
-				cp $SCRIPT_DIR/linux-live/modules/$MODULE/preinstall $MODULE_MERGED_DIR/tmp/preinstall
-				chmod +x $MODULE_MERGED_DIR/tmp/preinstall
+				cp $SCRIPT_DIR/linux-live/modules/$MODULE/preinstall $MODULE_MERGED_DIR/preinstall
+				chmod +x $MODULE_MERGED_DIR/preinstall
 				chroot $MODULE_MERGED_DIR /usr/bin/env \
 					OUTPUT=$OUTPUT \
 					LOGPATH=$LOGPATH \
@@ -1718,7 +1742,7 @@ function build_modules_chroot() {
 					APT_OPTIONS=$APT_OPTIONS \
 					LIVE_TYPE=$LIVE_TYPE \
 					sudo DEBIAN_FRONTEND=$DEBIAN_FRONTEND_TYPE \
-					/tmp/preinstall >>$OUTPUT 2>&1
+					/preinstall >>$OUTPUT 2>&1
 			fi
 
 			# install packages
@@ -1763,8 +1787,8 @@ function build_modules_chroot() {
 
 			# run post-install script
 			if [ -f $SCRIPT_DIR/linux-live/modules/$MODULE/postinstall ]; then
-				cp $SCRIPT_DIR/linux-live/modules/$MODULE/postinstall $MODULE_MERGED_DIR/tmp/postinstall
-				chmod +x $MODULE_MERGED_DIR/tmp/postinstall
+				cp $SCRIPT_DIR/linux-live/modules/$MODULE/postinstall $MODULE_MERGED_DIR/postinstall
+				chmod +x $MODULE_MERGED_DIR/postinstall
 				chroot $MODULE_MERGED_DIR /usr/bin/env \
 					OUTPUT=$OUTPUT \
 					LOGPATH=$LOGPATH \
@@ -1775,7 +1799,7 @@ function build_modules_chroot() {
 					APT_OPTIONS=$APT_OPTIONS \
 					LIVE_TYPE=$LIVE_TYPE \
 					sudo DEBIAN_FRONTEND=$DEBIAN_FRONTEND_TYPE \
-					/tmp/postinstall >>$OUTPUT 2>&1
+					/postinstall >>$OUTPUT 2>&1
 			fi
 
 			module_chroot_finish_up
diff --git a/linux-live/modules/02-xubuntu/postinstall b/linux-live/modules/02-xubuntu/postinstall
index 29692dd..52fbf87 100644
--- a/linux-live/modules/02-xubuntu/postinstall
+++ b/linux-live/modules/02-xubuntu/postinstall
@@ -9,9 +9,9 @@ autologin-user-timeout=0
 EOF
 fi
 if [ -d /etc/NetworkManager ]; then
-    echo "Disable dhclient.service autostart." >>$OUTPUT 2>&1
-    systemctl disable dhclient >>$OUTPUT 2>&1
-    mkdir -p /etc/netplan >>$OUTPUT 2>&1
+    echo "Disable dhclient.service autostart."
+    systemctl disable dhclient
+    mkdir -p /etc/netplan
     cat <<EOF >/etc/netplan/01-netcfg.yaml
 # This file describes the network interfaces available on your system
 # For more information, see netplan(5).
@@ -28,9 +28,14 @@ dns=dnsmasq
 [ifupdown]
 managed=false
 EOF
-    if [ $DEBIAN_FRONTEND_TYPE = "noninteractive" ]; then
-        dpkg-reconfigure -f noninteractive network-manager >>$OUTPUT 2>&1
-    elif [ $DEBIAN_FRONTEND_TYPE = "dialog" ]; then
-        dpkg-reconfigure network-manager >>$OUTPUT 2>&1
-    fi
-fi
\ No newline at end of file
+
+    dpkg-reconfigure -f noninteractive network-manager
+fi
+
+if [ -f /usr/share/xfce4/backdrops/xubuntu-wallpaper.png ]; then
+    rm /usr/share/xfce4/backdrops/xubuntu-wallpaper.png
+fi
+if [ ! -d /usr/share/xfce4/backdrops ]; then
+    mkdir -p /usr/share/xfce4/backdrops
+fi
+ln -s /usr/share/backgrounds/MiniOS.png /usr/share/xfce4/backdrops/xubuntu-wallpaper.png
diff --git a/linux-live/modules/03-apps/package.list b/linux-live/modules/03-apps/package.list
index 88ba758..2b32fcf 100644
--- a/linux-live/modules/03-apps/package.list
+++ b/linux-live/modules/03-apps/package.list
@@ -1,3 +1,4 @@
 open-vm-tools-desktop
-firefox
-firefox-locale-ru
\ No newline at end of file
+#firefox
+#firefox-locale-ru
+remmina
\ No newline at end of file
diff --git a/linux-live/modules/03-apps/postinstall b/linux-live/modules/03-apps/postinstall
new file mode 100644
index 0000000..de27692
--- /dev/null
+++ b/linux-live/modules/03-apps/postinstall
@@ -0,0 +1,12 @@
+#!/bin/bash
+cd /root
+apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys CB2DE8E5
+echo "deb https://download.onlyoffice.com/repo/debian squeeze main" > /etc/apt/sources.list.d/onlyoffice.list
+wget -q -O - https://dl.google.com/linux/linux_signing_key.pub | apt-key add -
+wget -c https://dl.google.com/linux/direct/google-chrome-stable_current_amd64.deb
+apt update
+apt install -y onlyoffice-desktopeditors
+apt install -y /root/google-chrome-stable_current_amd64.deb
+apt install -y /root/cts-4.0.0-104.ks1_amd64.deb
+rm -f /root/google-chrome-stable_current_amd64.deb
+rm -f /root/cts-4.0.0-104.ks1_amd64.deb
\ No newline at end of file
diff --git a/linux-live/modules/03-apps/rootcopy/etc/cts/registration_number.json b/linux-live/modules/03-apps/rootcopy/etc/cts/registration_number.json
new file mode 100644
index 0000000..f1660c5
--- /dev/null
+++ b/linux-live/modules/03-apps/rootcopy/etc/cts/registration_number.json
@@ -0,0 +1,4 @@
+{
+    "id": " ",
+    "version": 1
+}
\ No newline at end of file
diff --git a/linux-live/modules/03-apps/rootcopy/etc/cts/settings-general.json b/linux-live/modules/03-apps/rootcopy/etc/cts/settings-general.json
new file mode 100644
index 0000000..b6e26b2
--- /dev/null
+++ b/linux-live/modules/03-apps/rootcopy/etc/cts/settings-general.json
@@ -0,0 +1 @@
+{"cert_ask_for_adding":true,"cert_check_against_crl":false,"cert_warning_expiration_days":14,"crl_allowed_expiration_days":0,"crl_auto_update":true,"crl_update_period":24}
\ No newline at end of file
diff --git a/linux-live/modules/03-apps/rootcopy/etc/cts/user_registration_info.json b/linux-live/modules/03-apps/rootcopy/etc/cts/user_registration_info.json
new file mode 100644
index 0000000..afa8766
--- /dev/null
+++ b/linux-live/modules/03-apps/rootcopy/etc/cts/user_registration_info.json
@@ -0,0 +1 @@
+{"city":"","configVersion":1,"department":"","email":"","firstName":"","host":"cap","lastName":"","middleName":"","organization":"","protectionClass":"KC1"}
\ No newline at end of file
diff --git a/linux-live/modules/03-apps/rootcopy/root/cts-4.0.0-104.ks1_amd64.deb b/linux-live/modules/03-apps/rootcopy/root/cts-4.0.0-104.ks1_amd64.deb
new file mode 100644
index 0000000..0f13da7
Binary files /dev/null and b/linux-live/modules/03-apps/rootcopy/root/cts-4.0.0-104.ks1_amd64.deb differ
diff --git a/linux-live/modules/03-apps/rootcopy/usr/share/applications/RDWebAccess.desktop b/linux-live/modules/03-apps/rootcopy/usr/share/applications/RDWebAccess.desktop
new file mode 100644
index 0000000..13987ff
--- /dev/null
+++ b/linux-live/modules/03-apps/rootcopy/usr/share/applications/RDWebAccess.desktop
@@ -0,0 +1,17 @@
+[Desktop Entry]
+Version=1.0
+Name=RD Web Access
+Name[ru]=Веб-доступ к удаленным рабочим столам
+GenericName=Remote Desktop Web Access
+GenericName[ru]=Веб-доступ к удаленным рабочим столам
+X-GNOME-FullName=Remote Desktop Web
+Comment=RemoteApp and Desktop Connection
+Comment[ru]=Подключение к удаленным рабочим столам и приложениям RemoteApp
+Exec=/opt/google/chrome/google-chrome --profile-directory=Default --app="https://rd.niitnn.tn.corp/RDWeb"
+Icon=preferences-desktop-remote-desktop
+Terminal=false
+Type=Application
+Categories=GTK;GNOME;X-GNOME-NetworkSettings;Network;
+Keywords=remote desktop;rdp
+Path=
+StartupNotify=false
diff --git a/linux-live/modules/03-apps/rootcopy/usr/share/applications/RDWebClient.desktop b/linux-live/modules/03-apps/rootcopy/usr/share/applications/RDWebClient.desktop
new file mode 100644
index 0000000..2334052
--- /dev/null
+++ b/linux-live/modules/03-apps/rootcopy/usr/share/applications/RDWebClient.desktop
@@ -0,0 +1,17 @@
+[Desktop Entry]
+Version=1.0
+Name=RD Web Client
+Name[ru]=Веб-клиент удаленных рабочих столов
+GenericName=Remote Desktop Web Client
+GenericName[ru]=Веб-клиент доступа к удаленным рабочим столам
+X-GNOME-FullName=Remote Desktop Web
+Comment=RemoteApp and Desktop Connection
+Comment[ru]=Подключение к удаленным рабочим столам и приложениям RemoteApp
+Exec=/opt/google/chrome/google-chrome --profile-directory=Default --app="https://rd.niitnn.tn.corp/RDWeb/WebClient"
+Icon=/usr/share/icons/hicolor/apps/microsoft-remote-desktop.png
+Terminal=false
+Type=Application
+Categories=GTK;GNOME;X-GNOME-NetworkSettings;Network;
+Keywords=remote desktop;rdp
+Path=
+StartupNotify=false
diff --git a/linux-live/modules/03-apps/rootcopy/usr/share/icons/hicolor/apps/microsoft-remote-desktop.png b/linux-live/modules/03-apps/rootcopy/usr/share/icons/hicolor/apps/microsoft-remote-desktop.png
new file mode 100644
index 0000000..547cde8
Binary files /dev/null and b/linux-live/modules/03-apps/rootcopy/usr/share/icons/hicolor/apps/microsoft-remote-desktop.png differ
diff --git a/linux-live/modules/04-drivers/package.list b/linux-live/modules/04-drivers/package.list
new file mode 100644
index 0000000..f36e642
--- /dev/null
+++ b/linux-live/modules/04-drivers/package.list
@@ -0,0 +1,4 @@
+linux-headers-generic-hwe-20.04
+virtualbox-guest-dkms
+virtualbox-guest-utils
+bcmwl-kernel-source
\ No newline at end of file
diff --git a/linux-live/pkglists/ubuntu-other.list b/linux-live/pkglists/ubuntu-other.list
index fe21e13..eb9f342 100644
--- a/linux-live/pkglists/ubuntu-other.list
+++ b/linux-live/pkglists/ubuntu-other.list
@@ -8,6 +8,6 @@ gparted
 gsmartcontrol
 xfce4-taskmanager
 xfce4-xkb-plugin
-firefox
-firefox-locale-ru
+#firefox
+#firefox-locale-ru
 language-pack-gnome-ru
\ No newline at end of file