create install.sh for Xubuntu 20.04

xubuntu/20.04/install.sh

@@ -0,0 +1,115 @@
+#!/bin/bash
+
+#
+# This script is for Xubuntu 20.04 Focal Fossa to download and install XRDP+XORGXRDP via
+# source.
+#
+# Major thanks to: http://c-nergy.be/blog/?p=11336 for the tips.
+#
+
+###############################################################################
+# Use HWE kernel packages
+#
+HWE=""
+#HWE="-hwe-20.04"
+
+###############################################################################
+# Update our machine to the latest code if we need to.
+#
+
+if [ "$(id -u)" -ne 0 ]; then
+    echo 'This script must be run with root privileges' >&2
+    exit 1
+fi
+
+apt update && apt upgrade -y
+
+if [ -f /var/run/reboot-required ]; then
+    echo "A reboot is required in order to proceed with the install." >&2
+    echo "Please reboot and re-run this script to finish the install." >&2
+    exit 1
+fi
+
+###############################################################################
+# XRDP
+#
+
+# Install hv_kvp utils
+apt install -y linux-tools-virtual${HWE}
+apt install -y linux-cloud-tools-virtual${HWE}
+
+# Install the xrdp service so we have the auto start behavior
+apt install -y xrdp
+
+systemctl stop xrdp
+systemctl stop xrdp-sesman
+
+# Configure the installed XRDP ini files.
+# do not use vsock transport since newer versions of xrdp do not support it.
+sed -i_orig -e 's/port=3389/port=vsock:\/\/-1:3389/g' /etc/xrdp/xrdp.ini
+# use rdp security.
+sed -i_orig -e 's/security_layer=negotiate/security_layer=rdp/g' /etc/xrdp/xrdp.ini
+# remove encryption validation.
+sed -i_orig -e 's/crypt_level=high/crypt_level=none/g' /etc/xrdp/xrdp.ini
+# disable bitmap compression since its local its much faster
+sed -i_orig -e 's/bitmap_compression=true/bitmap_compression=false/g' /etc/xrdp/xrdp.ini
+
+# Add script to setup the kubuntu session properly
+if [ ! -e /etc/xrdp/startxubuntu.sh ]; then
+cat >> /etc/xrdp/startxubuntu.sh << EOF
+#!/bin/sh
+export XDG_CURRENT_DESKTOP=XFCE
+export XDG_SESSION_DESKTOP=xubuntu
+export XDG_DATA_DIRS=/usr/share/xubuntu:/usr/share/xfce4:/usr/local/share:/usr/share:/var/lib/snapd/desktop:/usr/share
+export XDG_CONFIG_DIRS=/etc/xdg/xdg-xubuntu:/etc/xdg:/etc/xdg
+exec /etc/xrdp/startwm.sh
+EOF
+chmod a+x /etc/xrdp/startxubuntu.sh
+fi
+
+# use the script to setup the kubuntu session
+sed -i_orig -e 's/startwm/startxubuntu/g' /etc/xrdp/sesman.ini
+
+# rename the redirected drives to 'shared-drives'
+sed -i -e 's/FuseMountName=thinclient_drives/FuseMountName=shared-drives/g' /etc/xrdp/sesman.ini
+
+# Changed the allowed_users
+sed -i_orig -e 's/allowed_users=console/allowed_users=anybody/g' /etc/X11/Xwrapper.config
+
+# Blacklist the vmw module
+if [ ! -e /etc/modprobe.d/blacklist_vmw_vsock_vmci_transport.conf ]; then
+cat >> /etc/modprobe.d/blacklist_vmw_vsock_vmci_transport.conf <<EOF
+blacklist vmw_vsock_vmci_transport
+EOF
+fi
+
+# Ensure hv_sock gets loaded
+if [ ! -e /etc/modules-load.d/hv_sock.conf ]; then
+echo "hv_sock" > /etc/modules-load.d/hv_sock.conf
+fi
+
+# Retrieve all available polkit actions and separate them accordingly
+pkaction > /tmp/available_actions
+actions=$(sed -e ':a' -e 'N' -e '$!ba' -e 's/\n/;/g' /tmp/available_actions)
+rm /tmp/available_actions
+
+# Configure the policies for xrdp session
+cat > /etc/polkit-1/localauthority/50-local.d/xrdp-allow-all.pkla <<EOF
+[Allow all for all sudoers]
+Identity=unix-group:sudo
+Action=$actions
+ResultAny=yes
+ResultInactive=yes
+ResultActive=yes
+EOF
+
+# reconfigure the service
+systemctl daemon-reload
+systemctl start xrdp
+
+#
+# End XRDP
+###############################################################################
+
+echo "Install is complete."
+echo "Reboot your machine to begin using XRDP."