first commit

Dockerfile

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+# Use an official Ubuntu base image
+FROM ubuntu:22.04
+
+# Avoid warnings by switching to noninteractive for the build process
+ENV DEBIAN_FRONTEND=noninteractive
+
+ENV USER=root
+
+# update system first
+RUN apt update && apt upgrade -y
+
+# Install XFCE, VNC server, dbus-x11, and xfonts-base
+RUN apt-get update && apt-get install -y --no-install-recommends \
+    ca-certificates \
+    dbus-x11 \
+    tightvncserver \
+    vim \
+    xfce4 \
+    xfce4-goodies \
+    xfonts-base \
+    xinit \
+    wget \
+    curl \
+    xterm
+
+WORKDIR /tmp
+COPY ./install.sh ./install.sh
+RUN bash ./install.sh
+
+# Setup VNC server
+RUN mkdir /root/.vnc \
+    && echo "password" | vncpasswd -f > /root/.vnc/passwd \
+    && chmod 600 /root/.vnc/passwd
+
+COPY ./xstartup /root/.vnc/xstartup
+
+# Create an .Xauthority file
+RUN touch /root/.Xauthority
+
+RUN chmod ugoa+rx /root/.vnc/xstartup
+
+# Set display resolution (change as needed)
+ENV RESOLUTION=1920x1080
+
+# Expose VNC port
+EXPOSE 5901
+
+# Set the working directory in the container
+WORKDIR /app
+
+# Copy a script to start the VNC server
+COPY init.sh init.sh
+RUN chmod +x init.sh
+
+CMD ["/app/init.sh"]

Makefile

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+export DOCKER_HOST := ssh://root@las1
+
+build:
+	docker build \
+		-t sneak/vnc-desktop \
+		--progress plain \
+		.
+
+run:
+	docker rm -f vnc-desktop
+	docker run \
+		-d -p 5901:5901 \
+		--name vnc-desktop \
+		--security-opt seccomp=unconfined \
+		sneak/vnc-desktop
+
+logs:
+	docker logs -f vnc-desktop

README.md

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+# vnc-desktop
+
+containerized xfce4 ubuntu jaunty vnc desktop
+
+# TODO
+
+make it work as nonroot
+
+get resizing support working
+fix blurry fonts
+

init.sh

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+#!/bin/bash
+
+echo 'Updating /etc/hosts file...'
+HOSTNAME=$(hostname)
+echo "127.0.1.1\t$HOSTNAME" >> /etc/hosts
+
+echo "Starting VNC server"
+vncserver -kill :1 || true
+vncserver -geometry 1600x1200
+#vncserver -geometry 1600x1200 -randr 1920x1080,1600x1200,1440x900,1024x768 &
+
+echo "VNC server started at $RESOLUTION! ^-^"
+
+export DISPLAY=":1"
+
+xset -dpms &
+xset s noblank &
+xset s off &
+/usr/bin/startxfce4 --replace > $HOME/wm.log &
+
+xterm &
+sleep 1
+
+tail -f $HOME/wm.log $HOME/.vnc/*.log

install.sh

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+#!/bin/bash
+
+set -x
+
+
+PKGS="
+    alacritty
+    binutils
+    build-essential
+    byobu
+    ca-certificates
+    ctags
+    cups-common
+    curl
+    desktop-base
+    elementary-xfce-icon-theme
+    htop
+    jq
+    less
+    libnotify-bin
+    lsb-release
+    make
+    netbase
+    pastebinit
+    publicsuffix
+    run-one
+    screen
+    sudo
+    ttf-ubuntu-font-family
+    update-notifier-common
+    vim-doc
+    vim-scripts
+    wget
+    wordlist
+    xarchiver
+    xdg-user-dirs
+    xfdesktop4
+    xfdesktop4-data
+    zsh
+    zsh-doc
+    zstd
+"
+
+export DEBIAN_FRONTEND=noninteractive
+
+apt install -y PKGS
+
+install -d -m 0755 /etc/apt/keyrings
+wget -q https://packages.mozilla.org/apt/repo-signing-key.gpg -O- | tee /etc/apt/keyrings/packages.mozilla.org.asc > /dev/null
+echo "deb [signed-by=/etc/apt/keyrings/packages.mozilla.org.asc] https://packages.mozilla.org/apt mozilla main" | tee -a /etc/apt/sources.list.d/mozilla.list > /dev/null
+echo '
+Package: *
+Pin: origin packages.mozilla.org
+Pin-Priority: 1000
+' | tee /etc/apt/preferences.d/mozilla
+apt update
+apt install -y firefox
+
+
+apt-get clean
+rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*

xstartup

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+#!/bin/sh
+unset SESSION_MANAGER
+unset DBUS_SESSION_BUS_ADDRESS
+xsetroot -solid grey
+autocutsel -fork
+#geometry 640x480
+startxfce4 &