diff --git a/config/read-only-fs.sh b/config/read-only-fs.sh
new file mode 100644
index 0000000..199d3e9
--- /dev/null
+++ b/config/read-only-fs.sh
@@ -0,0 +1,313 @@
+#!/bin/bash
+
+# CREDIT TO THESE TUTORIALS:
+# petr.io/en/blog/2015/11/09/read-only-raspberry-pi-with-jessie
+# hallard.me/raspberry-pi-read-only
+# k3a.me/how-to-make-raspberrypi-truly-read-only-reliable-and-trouble-free
+
+if [ $(id -u) -ne 0 ]; then
+	echo "Installer must be run as root."
+	echo "Try 'sudo bash $0'"
+	exit 1
+fi
+
+clear
+
+echo "This script configures a Raspberry Pi"
+echo "SD card to boot into read-only mode,"
+echo "obviating need for clean shutdown."
+echo "NO FILES ON THE CARD CAN BE CHANGED"
+echo "WHEN PI IS BOOTED IN THIS STATE. Either"
+echo "the filesystems must be remounted in"
+echo "read/write mode, card must be mounted"
+echo "R/W on another system, or an optional"
+echo "jumper can be used to enable read/write"
+echo "on boot."
+echo
+echo "Links to original tutorials are in"
+echo "script source. THIS IS A ONE-WAY"
+echo "OPERATION. THERE IS NO SCRIPT TO"
+echo "REVERSE THIS SETUP! ALL other system"
+echo "config should be complete before using"
+echo "this script. MAKE A BACKUP FIRST."
+echo
+echo "Run time ~5 minutes. Reboot required."
+echo
+echo -n "CONTINUE? [y/N] "
+read
+if [[ ! "$REPLY" =~ ^(yes|y|Y)$ ]]; then
+	echo "Canceled."
+	exit 0
+fi
+
+# FEATURE PROMPTS ----------------------------------------------------------
+# Installation doesn't begin until after all user input is taken.
+
+INSTALL_RW_JUMPER=0
+INSTALL_HALT=0
+INSTALL_WATCHDOG=0
+
+# Given a list of strings representing options, display each option
+# preceded by a number (1 to N), display a prompt, check input until
+# a valid number within the selection range is entered.
+selectN() {
+	for ((i=1; i<=$#; i++)); do
+		echo $i. ${!i}
+	done
+	echo
+	REPLY=""
+	while :
+	do
+		echo -n "SELECT 1-$#: "
+		read
+		if [[ $REPLY -ge 1 ]] && [[ $REPLY -le $# ]]; then
+			return $REPLY
+		fi
+	done
+}
+
+SYS_TYPES=(Pi\ 3\ /\ Pi\ Zero\ W All\ other\ models)
+WATCHDOG_MODULES=(bcm2835_wdog bcm2708_wdog)
+OPTION_NAMES=(NO YES)
+
+echo -n "Enable boot-time read/write jumper? [y/N] "
+read
+if [[ "$REPLY" =~ (yes|y|Y)$ ]]; then
+	INSTALL_RW_JUMPER=1
+	echo -n "GPIO pin for R/W jumper: "
+	read
+	RW_PIN=$REPLY
+fi
+
+echo -n "Install GPIO-halt utility? [y/N] "
+read
+if [[ "$REPLY" =~ (yes|y|Y)$ ]]; then
+	INSTALL_HALT=1
+	echo -n "GPIO pin for halt button: "
+	read
+	HALT_PIN=$REPLY
+fi
+
+echo -n "Enable kernel panic watchdog? [y/N] "
+read
+if [[ "$REPLY" =~ (yes|y|Y)$ ]]; then
+	INSTALL_WATCHDOG=1
+	echo "Target system type:"
+	selectN "${SYS_TYPES[0]}" \
+		"${SYS_TYPES[1]}"
+	WD_TARGET=$?
+fi
+
+# VERIFY SELECTIONS BEFORE CONTINUING --------------------------------------
+
+echo
+if [ $INSTALL_RW_JUMPER -eq 1 ]; then
+	echo "Boot-time R/W jumper: YES (GPIO$RW_PIN)"
+else
+	echo "Boot-time R/W jumper: NO"
+fi
+if [ $INSTALL_HALT -eq 1 ]; then
+	echo "Install GPIO-halt: YES (GPIO$HALT_PIN)"
+else
+	echo "Install GPIO-halt: NO"
+fi
+if [ $INSTALL_WATCHDOG -eq 1 ]; then
+	echo "Enable watchdog: YES (${SYS_TYPES[WD_TARGET-1]})"
+else
+	echo "Enable watchdog: NO"
+fi
+echo
+echo -n "CONTINUE? [y/N] "
+read
+if [[ ! "$REPLY" =~ ^(yes|y|Y)$ ]]; then
+	echo "Canceled."
+	exit 0
+fi
+
+# START INSTALL ------------------------------------------------------------
+# All selections have been validated at this point...
+
+# Given a filename, a regex pattern to match and a replacement string:
+# Replace string if found, else no change.
+# (# $1 = filename, $2 = pattern to match, $3 = replacement)
+replace() {
+	grep $2 $1 >/dev/null
+	if [ $? -eq 0 ]; then
+		# Pattern found; replace in file
+		sed -i "s/$2/$3/g" $1 >/dev/null
+	fi
+}
+
+# Given a filename, a regex pattern to match and a replacement string:
+# If found, perform replacement, else append file w/replacement on new line.
+replaceAppend() {
+	grep $2 $1 >/dev/null
+	if [ $? -eq 0 ]; then
+		# Pattern found; replace in file
+		sed -i "s/$2/$3/g" $1 >/dev/null
+	else
+		# Not found; append on new line (silently)
+		echo $3 | sudo tee -a $1 >/dev/null
+	fi
+}
+
+# Given a filename, a regex pattern to match and a string:
+# If found, no change, else append file with string on new line.
+append1() {
+	grep $2 $1 >/dev/null
+	if [ $? -ne 0 ]; then
+		# Not found; append on new line (silently)
+		echo $3 | sudo tee -a $1 >/dev/null
+	fi
+}
+
+# Given a filename, a regex pattern to match and a string:
+# If found, no change, else append space + string to last line --
+# this is used for the single-line /boot/cmdline.txt file.
+append2() {
+	grep $2 $1 >/dev/null
+	if [ $? -ne 0 ]; then
+		# Not found; insert in file before EOF
+		sed -i "s/\'/ $3/g" $1 >/dev/null
+	fi
+}
+
+echo
+echo "Starting installation..."
+echo "Updating package index files..."
+apt-get update
+
+echo "Removing unwanted packages..."
+#apt-get remove -y --force-yes --purge triggerhappy logrotate dbus \
+# dphys-swapfile xserver-common lightdm fake-hwclock
+# Let's keep dbus...that includes avahi-daemon, a la 'raspberrypi.local',
+# also keeping xserver & lightdm for GUI login (WIP, not working yet)
+apt-get remove -y --force-yes --purge triggerhappy logrotate \
+ dphys-swapfile fake-hwclock
+apt-get -y --force-yes autoremove --purge
+
+# Replace log management with busybox (use logread if needed)
+echo "Installing ntp and busybox-syslogd..."
+apt-get -y --force-yes install ntp busybox-syslogd; dpkg --purge rsyslog
+
+echo "Configuring system..."
+
+# Install boot-time R/W jumper test if requested
+GPIOTEST="gpio -g mode $RW_PIN up\n\
+if [ \`gpio -g read $RW_PIN\` -eq 0 ] ; then\n\
+\tmount -o remount,rw \/\n\
+\tmount -o remount,rw \/boot\n\
+fi\n"
+if [ $INSTALL_RW_JUMPER -ne 0 ]; then
+	apt-get install -y --force-yes wiringpi
+	# Check if already present in rc.local:
+	grep "gpio -g read" /etc/rc.local >/dev/null
+	if [ $? -eq 0 ]; then
+		# Already there, but make sure pin is correct:
+		sed -i "s/^.*gpio\ -g\ read.*$/$GPIOTEST/g" /etc/rc.local >/dev/null
+
+	else
+		# Not there, insert before final 'exit 0'
+		sed -i "s/^exit 0/$GPIOTEST\\nexit 0/g" /etc/rc.local >/dev/null
+	fi
+fi
+
+# Install watchdog if requested
+if [ $INSTALL_WATCHDOG -ne 0 ]; then
+	apt-get install -y --force-yes watchdog
+	# $MODULE is specific watchdog module name
+	MODULE=${WATCHDOG_MODULES[($WD_TARGET-1)]}
+	# Add to /etc/modules, update watchdog config file
+	append1 /etc/modules $MODULE $MODULE
+	replace /etc/watchdog.conf "#watchdog-device" "watchdog-device"
+	replace /etc/watchdog.conf "#max-load-1" "max-load-1"
+	# Start watchdog at system start and start right away
+	# Raspbian Stretch needs this package installed first
+	apt-get install -y --force-yes insserv
+	insserv watchdog; /etc/init.d/watchdog start
+	# Additional settings needed on Jessie
+	append1 /lib/systemd/system/watchdog.service "WantedBy" "WantedBy=multi-user.target"
+	systemctl enable watchdog
+	# Set up automatic reboot in sysctl.conf
+	replaceAppend /etc/sysctl.conf "^.*kernel.panic.*$" "kernel.panic = 10"
+fi
+
+# Install gpio-halt if requested
+if [ $INSTALL_HALT -ne 0 ]; then
+	apt-get install -y --force-yes wiringpi
+	echo "Installing gpio-halt in /usr/local/bin..."
+	cd /tmp
+	curl -LO https://github.com/adafruit/Adafruit-GPIO-Halt/archive/master.zip
+	unzip master.zip
+	cd Adafruit-GPIO-Halt-master
+	make
+	mv gpio-halt /usr/local/bin
+	cd ..
+	rm -rf Adafruit-GPIO-Halt-master
+
+	# Add gpio-halt to /rc.local:
+	grep gpio-halt /etc/rc.local >/dev/null
+	if [ $? -eq 0 ]; then
+		# gpio-halt already in rc.local, but make sure correct:
+		sed -i "s/^.*gpio-halt.*$/\/usr\/local\/bin\/gpio-halt $HALT_PIN \&/g" /etc/rc.local >/dev/null
+	else
+		# Insert gpio-halt into rc.local before final 'exit 0'
+		sed -i "s/^exit 0/\/usr\/local\/bin\/gpio-halt $HALT_PIN \&\\nexit 0/g" /etc/rc.local >/dev/null
+	fi
+fi
+
+# Add fastboot, noswap and/or ro to end of /boot/cmdline.txt
+append2 /boot/cmdline.txt fastboot fastboot
+append2 /boot/cmdline.txt noswap noswap
+append2 /boot/cmdline.txt ro^o^t ro
+
+# Move /var/spool to /tmp
+rm -rf /var/spool
+ln -s /tmp /var/spool
+
+# Move /var/lib/lightdm and /var/cache/lightdm to /tmp
+rm -rf /var/lib/lightdm
+rm -rf /var/cache/lightdm
+ln -s /tmp /var/lib/lightdm
+ln -s /tmp /var/cache/lightdm
+
+# Make SSH work
+replaceAppend /etc/ssh/sshd_config "^.*UsePrivilegeSeparation.*$" "UsePrivilegeSeparation no"
+# bbro method (not working in Jessie?):
+#rmdir /var/run/sshd
+#ln -s /tmp /var/run/sshd
+
+# Change spool permissions in var.conf (rondie/Margaret fix)
+replace /usr/lib/tmpfiles.d/var.conf "spool\s*0755" "spool 1777"
+
+# Move dhcpd.resolv.conf to tmpfs
+touch /tmp/dhcpcd.resolv.conf
+rm /etc/resolv.conf
+ln -s /tmp/dhcpcd.resolv.conf /etc/resolv.conf
+
+# Make edits to fstab
+# make / ro
+# tmpfs /var/log tmpfs nodev,nosuid 0 0
+# tmpfs /var/tmp tmpfs nodev,nosuid 0 0
+# tmpfs /tmp     tmpfs nodev,nosuid 0 0
+replace /etc/fstab "vfat\s*defaults\s" "vfat    defaults,ro "
+replace /etc/fstab "ext4\s*defaults,noatime\s" "ext4    defaults,noatime,ro "
+append1 /etc/fstab "/var/log" "tmpfs /var/log tmpfs nodev,nosuid 0 0"
+append1 /etc/fstab "/var/tmp" "tmpfs /var/tmp tmpfs nodev,nosuid 0 0"
+append1 /etc/fstab "\s/tmp"   "tmpfs /tmp    tmpfs nodev,nosuid 0 0"
+
+# PROMPT FOR REBOOT --------------------------------------------------------
+
+echo "Done."
+echo
+echo "Settings take effect on next boot."
+echo
+echo -n "REBOOT NOW? [y/N] "
+read
+if [[ ! "$REPLY" =~ ^(yes|y|Y)$ ]]; then
+	echo "Exiting without reboot."
+	exit 0
+fi
+echo "Reboot started..."
+reboot
+exit 0
diff --git a/config/read-only-fs.sh.original b/config/read-only-fs.sh.original
new file mode 100644
index 0000000..199d3e9
--- /dev/null
+++ b/config/read-only-fs.sh.original
@@ -0,0 +1,313 @@
+#!/bin/bash
+
+# CREDIT TO THESE TUTORIALS:
+# petr.io/en/blog/2015/11/09/read-only-raspberry-pi-with-jessie
+# hallard.me/raspberry-pi-read-only
+# k3a.me/how-to-make-raspberrypi-truly-read-only-reliable-and-trouble-free
+
+if [ $(id -u) -ne 0 ]; then
+	echo "Installer must be run as root."
+	echo "Try 'sudo bash $0'"
+	exit 1
+fi
+
+clear
+
+echo "This script configures a Raspberry Pi"
+echo "SD card to boot into read-only mode,"
+echo "obviating need for clean shutdown."
+echo "NO FILES ON THE CARD CAN BE CHANGED"
+echo "WHEN PI IS BOOTED IN THIS STATE. Either"
+echo "the filesystems must be remounted in"
+echo "read/write mode, card must be mounted"
+echo "R/W on another system, or an optional"
+echo "jumper can be used to enable read/write"
+echo "on boot."
+echo
+echo "Links to original tutorials are in"
+echo "script source. THIS IS A ONE-WAY"
+echo "OPERATION. THERE IS NO SCRIPT TO"
+echo "REVERSE THIS SETUP! ALL other system"
+echo "config should be complete before using"
+echo "this script. MAKE A BACKUP FIRST."
+echo
+echo "Run time ~5 minutes. Reboot required."
+echo
+echo -n "CONTINUE? [y/N] "
+read
+if [[ ! "$REPLY" =~ ^(yes|y|Y)$ ]]; then
+	echo "Canceled."
+	exit 0
+fi
+
+# FEATURE PROMPTS ----------------------------------------------------------
+# Installation doesn't begin until after all user input is taken.
+
+INSTALL_RW_JUMPER=0
+INSTALL_HALT=0
+INSTALL_WATCHDOG=0
+
+# Given a list of strings representing options, display each option
+# preceded by a number (1 to N), display a prompt, check input until
+# a valid number within the selection range is entered.
+selectN() {
+	for ((i=1; i<=$#; i++)); do
+		echo $i. ${!i}
+	done
+	echo
+	REPLY=""
+	while :
+	do
+		echo -n "SELECT 1-$#: "
+		read
+		if [[ $REPLY -ge 1 ]] && [[ $REPLY -le $# ]]; then
+			return $REPLY
+		fi
+	done
+}
+
+SYS_TYPES=(Pi\ 3\ /\ Pi\ Zero\ W All\ other\ models)
+WATCHDOG_MODULES=(bcm2835_wdog bcm2708_wdog)
+OPTION_NAMES=(NO YES)
+
+echo -n "Enable boot-time read/write jumper? [y/N] "
+read
+if [[ "$REPLY" =~ (yes|y|Y)$ ]]; then
+	INSTALL_RW_JUMPER=1
+	echo -n "GPIO pin for R/W jumper: "
+	read
+	RW_PIN=$REPLY
+fi
+
+echo -n "Install GPIO-halt utility? [y/N] "
+read
+if [[ "$REPLY" =~ (yes|y|Y)$ ]]; then
+	INSTALL_HALT=1
+	echo -n "GPIO pin for halt button: "
+	read
+	HALT_PIN=$REPLY
+fi
+
+echo -n "Enable kernel panic watchdog? [y/N] "
+read
+if [[ "$REPLY" =~ (yes|y|Y)$ ]]; then
+	INSTALL_WATCHDOG=1
+	echo "Target system type:"
+	selectN "${SYS_TYPES[0]}" \
+		"${SYS_TYPES[1]}"
+	WD_TARGET=$?
+fi
+
+# VERIFY SELECTIONS BEFORE CONTINUING --------------------------------------
+
+echo
+if [ $INSTALL_RW_JUMPER -eq 1 ]; then
+	echo "Boot-time R/W jumper: YES (GPIO$RW_PIN)"
+else
+	echo "Boot-time R/W jumper: NO"
+fi
+if [ $INSTALL_HALT -eq 1 ]; then
+	echo "Install GPIO-halt: YES (GPIO$HALT_PIN)"
+else
+	echo "Install GPIO-halt: NO"
+fi
+if [ $INSTALL_WATCHDOG -eq 1 ]; then
+	echo "Enable watchdog: YES (${SYS_TYPES[WD_TARGET-1]})"
+else
+	echo "Enable watchdog: NO"
+fi
+echo
+echo -n "CONTINUE? [y/N] "
+read
+if [[ ! "$REPLY" =~ ^(yes|y|Y)$ ]]; then
+	echo "Canceled."
+	exit 0
+fi
+
+# START INSTALL ------------------------------------------------------------
+# All selections have been validated at this point...
+
+# Given a filename, a regex pattern to match and a replacement string:
+# Replace string if found, else no change.
+# (# $1 = filename, $2 = pattern to match, $3 = replacement)
+replace() {
+	grep $2 $1 >/dev/null
+	if [ $? -eq 0 ]; then
+		# Pattern found; replace in file
+		sed -i "s/$2/$3/g" $1 >/dev/null
+	fi
+}
+
+# Given a filename, a regex pattern to match and a replacement string:
+# If found, perform replacement, else append file w/replacement on new line.
+replaceAppend() {
+	grep $2 $1 >/dev/null
+	if [ $? -eq 0 ]; then
+		# Pattern found; replace in file
+		sed -i "s/$2/$3/g" $1 >/dev/null
+	else
+		# Not found; append on new line (silently)
+		echo $3 | sudo tee -a $1 >/dev/null
+	fi
+}
+
+# Given a filename, a regex pattern to match and a string:
+# If found, no change, else append file with string on new line.
+append1() {
+	grep $2 $1 >/dev/null
+	if [ $? -ne 0 ]; then
+		# Not found; append on new line (silently)
+		echo $3 | sudo tee -a $1 >/dev/null
+	fi
+}
+
+# Given a filename, a regex pattern to match and a string:
+# If found, no change, else append space + string to last line --
+# this is used for the single-line /boot/cmdline.txt file.
+append2() {
+	grep $2 $1 >/dev/null
+	if [ $? -ne 0 ]; then
+		# Not found; insert in file before EOF
+		sed -i "s/\'/ $3/g" $1 >/dev/null
+	fi
+}
+
+echo
+echo "Starting installation..."
+echo "Updating package index files..."
+apt-get update
+
+echo "Removing unwanted packages..."
+#apt-get remove -y --force-yes --purge triggerhappy logrotate dbus \
+# dphys-swapfile xserver-common lightdm fake-hwclock
+# Let's keep dbus...that includes avahi-daemon, a la 'raspberrypi.local',
+# also keeping xserver & lightdm for GUI login (WIP, not working yet)
+apt-get remove -y --force-yes --purge triggerhappy logrotate \
+ dphys-swapfile fake-hwclock
+apt-get -y --force-yes autoremove --purge
+
+# Replace log management with busybox (use logread if needed)
+echo "Installing ntp and busybox-syslogd..."
+apt-get -y --force-yes install ntp busybox-syslogd; dpkg --purge rsyslog
+
+echo "Configuring system..."
+
+# Install boot-time R/W jumper test if requested
+GPIOTEST="gpio -g mode $RW_PIN up\n\
+if [ \`gpio -g read $RW_PIN\` -eq 0 ] ; then\n\
+\tmount -o remount,rw \/\n\
+\tmount -o remount,rw \/boot\n\
+fi\n"
+if [ $INSTALL_RW_JUMPER -ne 0 ]; then
+	apt-get install -y --force-yes wiringpi
+	# Check if already present in rc.local:
+	grep "gpio -g read" /etc/rc.local >/dev/null
+	if [ $? -eq 0 ]; then
+		# Already there, but make sure pin is correct:
+		sed -i "s/^.*gpio\ -g\ read.*$/$GPIOTEST/g" /etc/rc.local >/dev/null
+
+	else
+		# Not there, insert before final 'exit 0'
+		sed -i "s/^exit 0/$GPIOTEST\\nexit 0/g" /etc/rc.local >/dev/null
+	fi
+fi
+
+# Install watchdog if requested
+if [ $INSTALL_WATCHDOG -ne 0 ]; then
+	apt-get install -y --force-yes watchdog
+	# $MODULE is specific watchdog module name
+	MODULE=${WATCHDOG_MODULES[($WD_TARGET-1)]}
+	# Add to /etc/modules, update watchdog config file
+	append1 /etc/modules $MODULE $MODULE
+	replace /etc/watchdog.conf "#watchdog-device" "watchdog-device"
+	replace /etc/watchdog.conf "#max-load-1" "max-load-1"
+	# Start watchdog at system start and start right away
+	# Raspbian Stretch needs this package installed first
+	apt-get install -y --force-yes insserv
+	insserv watchdog; /etc/init.d/watchdog start
+	# Additional settings needed on Jessie
+	append1 /lib/systemd/system/watchdog.service "WantedBy" "WantedBy=multi-user.target"
+	systemctl enable watchdog
+	# Set up automatic reboot in sysctl.conf
+	replaceAppend /etc/sysctl.conf "^.*kernel.panic.*$" "kernel.panic = 10"
+fi
+
+# Install gpio-halt if requested
+if [ $INSTALL_HALT -ne 0 ]; then
+	apt-get install -y --force-yes wiringpi
+	echo "Installing gpio-halt in /usr/local/bin..."
+	cd /tmp
+	curl -LO https://github.com/adafruit/Adafruit-GPIO-Halt/archive/master.zip
+	unzip master.zip
+	cd Adafruit-GPIO-Halt-master
+	make
+	mv gpio-halt /usr/local/bin
+	cd ..
+	rm -rf Adafruit-GPIO-Halt-master
+
+	# Add gpio-halt to /rc.local:
+	grep gpio-halt /etc/rc.local >/dev/null
+	if [ $? -eq 0 ]; then
+		# gpio-halt already in rc.local, but make sure correct:
+		sed -i "s/^.*gpio-halt.*$/\/usr\/local\/bin\/gpio-halt $HALT_PIN \&/g" /etc/rc.local >/dev/null
+	else
+		# Insert gpio-halt into rc.local before final 'exit 0'
+		sed -i "s/^exit 0/\/usr\/local\/bin\/gpio-halt $HALT_PIN \&\\nexit 0/g" /etc/rc.local >/dev/null
+	fi
+fi
+
+# Add fastboot, noswap and/or ro to end of /boot/cmdline.txt
+append2 /boot/cmdline.txt fastboot fastboot
+append2 /boot/cmdline.txt noswap noswap
+append2 /boot/cmdline.txt ro^o^t ro
+
+# Move /var/spool to /tmp
+rm -rf /var/spool
+ln -s /tmp /var/spool
+
+# Move /var/lib/lightdm and /var/cache/lightdm to /tmp
+rm -rf /var/lib/lightdm
+rm -rf /var/cache/lightdm
+ln -s /tmp /var/lib/lightdm
+ln -s /tmp /var/cache/lightdm
+
+# Make SSH work
+replaceAppend /etc/ssh/sshd_config "^.*UsePrivilegeSeparation.*$" "UsePrivilegeSeparation no"
+# bbro method (not working in Jessie?):
+#rmdir /var/run/sshd
+#ln -s /tmp /var/run/sshd
+
+# Change spool permissions in var.conf (rondie/Margaret fix)
+replace /usr/lib/tmpfiles.d/var.conf "spool\s*0755" "spool 1777"
+
+# Move dhcpd.resolv.conf to tmpfs
+touch /tmp/dhcpcd.resolv.conf
+rm /etc/resolv.conf
+ln -s /tmp/dhcpcd.resolv.conf /etc/resolv.conf
+
+# Make edits to fstab
+# make / ro
+# tmpfs /var/log tmpfs nodev,nosuid 0 0
+# tmpfs /var/tmp tmpfs nodev,nosuid 0 0
+# tmpfs /tmp     tmpfs nodev,nosuid 0 0
+replace /etc/fstab "vfat\s*defaults\s" "vfat    defaults,ro "
+replace /etc/fstab "ext4\s*defaults,noatime\s" "ext4    defaults,noatime,ro "
+append1 /etc/fstab "/var/log" "tmpfs /var/log tmpfs nodev,nosuid 0 0"
+append1 /etc/fstab "/var/tmp" "tmpfs /var/tmp tmpfs nodev,nosuid 0 0"
+append1 /etc/fstab "\s/tmp"   "tmpfs /tmp    tmpfs nodev,nosuid 0 0"
+
+# PROMPT FOR REBOOT --------------------------------------------------------
+
+echo "Done."
+echo
+echo "Settings take effect on next boot."
+echo
+echo -n "REBOOT NOW? [y/N] "
+read
+if [[ ! "$REPLY" =~ ^(yes|y|Y)$ ]]; then
+	echo "Exiting without reboot."
+	exit 0
+fi
+echo "Reboot started..."
+reboot
+exit 0