vain · May 2, 2014 17:37 · May 2, 2014 · May 2, 2014
diff --git a/gistfile1.sh → vnc.sh b/gistfile1.sh → vnc.sh
diff --git a/gistfile1.sh b/gistfile1.sh
@@ -0,0 +1,80 @@
+#!/bin/bash
+
+#launch_screen()
+#{
+#	# Xvfb + x11vnc
+#
+#	(
+#		screen=$1
+#
+#		Xvfb :$screen -screen 0 1024x768x24 &
+#		while ! netstat -tulpen | grep ":$((6000 + screen)).*LISTEN.*Xvfb"
+#		do
+#			sleep 1
+#		done
+#		x11vnc -display :$screen -N -shared -forever
+#	) &
+#}
+
+launch_screen()
+{
+	# Requires tightvnc or tigervnc but is a lot faster
+
+	(
+		screen=$1
+
+		Xvnc :$screen \
+			-geometry 1024x768 -depth 24 \
+			-alwaysshared
+	) &
+}
+
+launch_program()
+{
+	# Run a command in the given screen and try to isolate it as much as
+	# possible by building a new temporary home directory. This is
+	# necessary for a lot of "modern" software that tries to detect if
+	# it's already running (yes, it may be, but on another screen!).
+
+	(
+		screen=$1
+		cmd=$2
+
+		new_home=$(mktemp -d)
+
+		shopt -s dotglob
+		cp -av ~/* "$new_home"
+
+		env -i HOME="$new_home" DISPLAY=":$screen" \
+			XDG_DATA_HOME="$new_home/.local/share" \
+			XDG_CONFIG_HOME="$new_home/.config" \
+			XDG_CACHE_HOME="$new_home/.cache" \
+			sh -c "openbox& openbox=\$!; cd; { $cmd; }; kill \$openbox"
+
+		rm -Rfv "$new_home"
+	) &
+}
+
+initial_session_and_stuff()
+{
+	for i in {1..20}
+	do
+		launch_screen $i
+	done
+
+	launch_program 1 "xterm"
+	launch_program 2 "chromium-browser --kiosk --disable-translate google.de"
+	launch_program 3 "chromium-browser --kiosk --disable-translate heise.de"
+	launch_program 4 "chromium-browser --disable-translate heise.de & xterm"
+	launch_program 5 "firefox http://github.com/vain"
+
+	wait
+}
+
+# Run this script with the following argument to get things running (I
+# do this in /etc/rc.local). Afterwards, you can simply source it in
+# your interactive shell and use launch_program() interactively.
+if [[ $1 == initial ]]
+then
+	initial_session_and_stuff
+fi