Adding some missing tools

Dockerfile

@@ -71,8 +71,10 @@ RUN \
             net-tools \
             patch \
             pciutils \
+            pkg-config \
             procps \
             rsync \
+            screen \
             sudo \
             unzip \
             vim \
@@ -162,7 +164,6 @@ RUN \
             dbus-x11 \
             libxcomposite-dev \
             libxcursor1 \
-            pkg-config \
             x11-xfs-utils \
             x11vnc \
             xauth \

overlay/usr/bin/start-desktop.sh

@@ -5,7 +5,7 @@
 # File Created: Thursday, 1st January 1970 12:00:00 pm
 # Author: Console and webGui login account (jsunnex@gmail.com)
 # -----
-# Last Modified: Wednesday, 26th January 2022 3:29:47 pm
+# Last Modified: Wednesday, 26th January 2022 5:38:23 pm
 # Modified By: Console and webGui login account (jsunnex@gmail.com)
 ###
 #
@@ -17,11 +17,15 @@ XDG_RUNTIME_DIR=/run/user/$(id -u ${USER})
 XDG_DATA_DIRS="${XDG_DATA_DIRS}:/var/lib/flatpak/exports/share:/home/${USER}/.local/share/flatpak/exports/share"
 export $(dbus-launch)
 
-# TODO: Set the default background
+# Set the default background for gnome based desktop
+mkdir -p /etc/alternatives
+ln -sf /usr/share/backgrounds/steam.jpg /etc/alternatives/desktop-background
 
 # Run the desktop environment in order of priority
 if [[ -e /usr/bin/cinnamon-session ]]; then
     /usr/bin/cinnamon-session --display=${DISPLAY}
+elif [[ -e /usr/bin/mate-session ]]; then
+    /usr/bin/mate-session
 elif [[ -e /usr/bin/startplasma-x11 ]]; then
     /usr/bin/startplasma-x11
 elif [[ -e /usr/bin/startxfce4 ]]; then