diff --git a/allsky.sh b/allsky.sh
index 7ef0cbe20..f460346c0 100755
--- a/allsky.sh
+++ b/allsky.sh
@@ -1,5 +1,7 @@
 #!/bin/bash
 
+# Exit code 100 will cause the service to be stopped so the user can fix the problem.
+
 # Make it easy to find the beginning of this run in the log file.
 echo "     ***** Starting AllSky *****"
 
@@ -13,65 +15,54 @@ cd "${ALLSKY_HOME}"
 source "${ALLSKY_HOME}/variables.sh"
 if [ -z "${ALLSKY_CONFIG}" ]; then
 	echo "${RED}*** ERROR: variables not set, can't continue!${NC}"
-	exit 1
+	"${ALLSKY_SCRIPTS}/copy_notification_image.sh" "Error" 2>&1
+	sudo systemctl stop allsky
+	exit 100
 fi
 
-# Reset auto camera selection, so config.sh does not pick up old camera selection.
-> "${ALLSKY_CONFIG}/autocam.sh"
-
 # COMPATIBILITY CHECKS
-# config.sh moved to a new location in version 0.8.1.  Check for it.
 # Check for a new variable in config.sh that wasn't in prior versions.
-# If not found, force the user to upgrade config.sh
-if [ -f "${ALLSKY_CONFIG}/config.sh" ]; then
-	source "${ALLSKY_CONFIG}/config.sh"
-	if [ -z "${CAPTURE_SAVE_DIR}" ]; then
-		echo "${RED}*** ERROR: old version of config.sh detected.${NC}"
-		echo "See https://github.com/thomasjacquin/allsky/wiki/Upgrade-from-0.8.2-or-prior-versions"
+# If not set to something (even "") then it wasn't found and force the user to upgrade config.sh
+source "${ALLSKY_CONFIG}/config.sh"
+if [ ! -v FAN_DATA_FILE ]; then	# FAN_DATA_FILE added after version 0.8.3.
+	echo "${RED}*** ERROR: old version of ${ALLSKY_CONFIG}/config.sh detected.${NC}"
+	echo "Please move your current config.sh file to config.sh-OLD, then place the newest one"
+	echo "from https://github.com/thomasjacquin/allsky in ${ALLSKY_CONFIG} and"
+	echo "manually copy your data from the old file to the new one.".
 
-		"${ALLSKY_SCRIPTS}/copy_notification_image.sh" "Error" 2>&1
-		sudo systemctl stop allsky
-		exit 1
-	fi
-else
-	echo "${RED}*** ERROR: config.sh not in ${ALLSKY_CONFIG}.${NC}"
-	echo "Please make a backup of your config.sh, ftp-settings.sh, and settings_*.json files,"
-	echo "then do a full re-install of AllSky."
-	echo "After the re-install, copy your settings from the backup files to the new files."
-	echo "Do NOT simply copy the old files over the new ones since several variables have been added or changed names."
-	
 	"${ALLSKY_SCRIPTS}/copy_notification_image.sh" "Error" 2>&1
 	sudo systemctl stop allsky
-	exit 1
+	exit 100
 fi
 
-# Make sure allsky.sh is not already running.
-ps -ef | grep allsky.sh | grep -v $$ | xargs "sudo kill -9" 2>/dev/null
-
-# old/regular manual camera selection mode => exit if no requested camera was found
-# Buster and Bullseye have different output so only check the part they have in common.
-# TODO: this check only needs to be done if CAMERA = RPiHQ
-# Bullseye has problems detecting RPiHQ cameras - workaround
-which libcamera-still > /dev/null
-if [ $? -eq 0 ]; then
-	LIBCAMERA_LOG_LEVELS="ERROR,FATAL" libcamera-still -t 1 --nopreview
-	RET=$?
-else
-	vcgencmd get_camera | grep --silent "supported=1" 
-	RET=$?
-fi
-if [ $RET -eq 0 ]; then
-	RPiHQIsPresent=1
-else
-	RPiHQIsPresent=0
-fi
-if [[ $CAMERA == "RPiHQ" && $RPiHQIsPresent -eq 0 ]]; then
-	echo "RPiHQ Camera not found. Exiting." >&2
+if [ -z "${CAMERA}" ]; then
+	echo "${RED}*** ERROR: CAMERA not set, can't continue!${NC}"
+	"${ALLSKY_SCRIPTS}/copy_notification_image.sh" "Error" 2>&1
 	sudo systemctl stop allsky
-	exit 1
+	exit 100
 fi
 
-if [[ $CAMERA != "RPiHQ" ]]; then
+# Make sure allsky.sh is not already running.
+pgrep allsky.sh | grep -v $$ | xargs "sudo kill -9" 2>/dev/null
+
+if [ "${CAMERA}" = "RPiHQ" ]; then
+	# See if we should use libcamera-still or raspistill.
+	which libcamera-still > /dev/null
+	if [ $? -eq 0 ]; then
+		LIBCAMERA_LOG_LEVELS="ERROR,FATAL" libcamera-still --timeout 1 --nopreview > /dev/null 2>&1
+		RET=$?
+	else
+		# Buster and Bullseye have different output so only check the part they have in common.
+		vcgencmd get_camera | grep --silent "supported=1" 
+		RET=$?
+	fi
+	if [ $RET -ne 0 ]; then
+		echo "${RED}*** ERROR: RPiHQ Camera not found. Exiting.${NC}" >&2
+		sudo systemctl stop allsky
+		exit 100
+	fi
+
+else	# ZWO CAMERA
 	reset_usb()		# resets the USB bus
 	{
 		if [ "${ON_TTY}" = "1" ]; then
@@ -84,11 +75,10 @@ if [[ $CAMERA != "RPiHQ" ]]; then
 	}
 
 	# Use two commands to better aid debugging when camera isn't found.
-	# xxxxx This doesn't catch cases where CAMERA is "auto" and we should use ZWO.
 	ZWOdev=$(lsusb | awk '/ 03c3:/ { bus=$2; dev=$4; gsub(/[^0-9]/,"",dev); print "/dev/bus/usb/"bus"/"dev;}')
 	ZWOIsPresent=$(lsusb -D ${ZWOdev} 2>/dev/null | grep -c 'iProduct .*ASI[0-9]')
-	if [[ $CAMERA == "ZWO" && $ZWOIsPresent -eq 0 ]]; then
-		echo "ZWO Camera not found..." >&2
+	if [ $ZWOIsPresent -eq 0 ]; then
+		echo "${RED}*** ERROR: ZWO Camera not found...${NC}" >&2
 		if [[ $ZWOdev == "" ]]; then
 			echo "  and no USB entry found for it." >&2
 		else
@@ -96,64 +86,31 @@ if [[ $CAMERA != "RPiHQ" ]]; then
 		fi
 		if [ "$UHUBCTL_PATH" != "" ] ; then
 			reset_usb
-			exit 1
+			exit 0	# exit with 0 so the service is restarted
 		else
 			echo "  Exiting." >&2
 			echo "  If you have the 'uhubctl' command installed, add it to config.sh." >&2
 			echo "  In the meantime, try running it to reset the USB bus." >&2
 			sudo systemctl stop allsky
-			exit 1
+			exit 100
 		fi
 	fi
 fi
 
-# CAMERA AUTOSELECT
-# Exit if no camera found.
-WAS_AUTO=0
-
-if [[ $CAMERA == "auto" ]]; then
-	WAS_AUTO=1
-	echo "Trying to automatically determine camera type"
-	if [[ $ZWOIsPresent -eq 0 && $RPiHQIsPresent -eq 0 ]]; then
-		echo "None of RPI or ZWO Cameras were found. Exiting." >&2
-		sudo systemctl stop allsky
-		exit 1
-	fi
-	# Prioritize ZWO camera if exists, otherwise use RPI camera.
-	if [[ $ZWOIsPresent -eq 0 ]]; then
-		CAMERA="RPiHQ"
-	else
-		CAMERA="ZWO"
-	fi
-
-	# redefine the settings variable
-	CAMERA_SETTINGS="${CAMERA_SETTINGS_DIR}/settings_${CAMERA}.json"
-fi
-
-if [ $WAS_AUTO -eq 1 ]; then	# Get the proper debug level since earlier config.sh run couldn't.
-	ALLSKY_DEBUG_LEVEL=$(jq -r '.debuglevel' "${CAMERA_SETTINGS}")
-fi
-
 echo "CAMERA: ${CAMERA}"
 if [ "${ALLSKY_DEBUG_LEVEL}" -gt 0 ]; then
 	echo "CAMERA_SETTINGS: ${CAMERA_SETTINGS}"
 fi
 
-# Save auto camera selection for the current session, will be read in config.sh file.
-echo "export CAMERA=${CAMERA}" > "${ALLSKY_CONFIG}/autocam.sh"
-
-# This must be called after CAMERA AUTOSELECT above to refresh the file name.
-source "${ALLSKY_SCRIPTS}/filename.sh"
-
 if [ -d "${ALLSKY_TMP}" ]; then
 	# remove any lingering old image files.
-	rm -f "${ALLSKY_TMP}/${FILENAME}"-202*.${EXTENSION}	# "202" for 2021 and later
+	rm -f "${ALLSKY_TMP}/${FILENAME}"-202*.${EXTENSION}	# "202" for 2020 and later
 else
 	# Re-create in case it's on a memory filesystem that gets wiped out at reboot
 	mkdir -p "${ALLSKY_TMP}"
 fi
 
-# Optionally display a notification image. This must come after the creation of "autocam.sh" above.
+# Optionally display a notification image.
 USE_NOTIFICATION_IMAGES=$(jq -r '.notificationimages' "$CAMERA_SETTINGS")
 if [ "$USE_NOTIFICATION_IMAGES" = "1" ] ; then
 	# Can do this in the background to speed up startup
@@ -210,19 +167,21 @@ else
 	rm -f "${FREQUENCY_FILE}"
 fi
 
-# "capture" expects 0 or 1; newer versions of config.sh use "true" and "false".
-# DAYTIME is the old name for DAYTIME_CAPTURE.
-# TODO: These checks will go away in the future.
-if [ "${DAYTIME_CAPTURE}" = "true" -o "${DAYTIME}" = "1" ] ; then
+if [ "${DAYTIME_CAPTURE}" = "true" ] ; then
 	DAYTIME_CAPTURE=1
-elif [ "${DAYTIME_CAPTURE}" = "false" -o "${DAYTIME}" = "0" ] ; then
+else
 	DAYTIME_CAPTURE=0
 fi
 ARGUMENTS+=(-daytime $DAYTIME_CAPTURE)
 
 [ "$CAPTURE_EXTRA_PARAMETERS" != "" ] && ARGUMENTS+=(${CAPTURE_EXTRA_PARAMETERS})	# Any additional parameters
 
-echo "${ARGUMENTS[@]}" > ${ALLSKY_TMP}/capture_args.txt
+echo "${ARGUMENTS[@]}" > ${ALLSKY_TMP}/capture_args.txt		# for debugging
+
+GOT_SIGTERM="false"
+GOT_SIGUSR1="false"
+# trap "GOT_SIGTERM=true" SIGTERM
+# trap "GOT_SIGUSR1=true" SIGUSR1
 
 if [[ $CAMERA == "ZWO" ]]; then
 	CAPTURE="capture"
@@ -231,15 +190,22 @@ elif [[ $CAMERA == "RPiHQ" ]]; then
 fi
 "${ALLSKY_HOME}/${CAPTURE}" "${ARGUMENTS[@]}"
 RETCODE=$?
-[ $RETCODE -ne 0 ] && echo "'${CAPTURE}' exited with RETCODE=${RETCODE}"
+if [ $RETCODE -ne 0 ]; then
+	  echo -e "${RED}'${CAPTURE}' exited with RETCODE=${RETCODE}, GOT_SIGTERM=$GOT_SIGTERM, GOT_SIGUSR1=$GOT_SIGUSR1${NC}"
+fi
 
-if [ "${USE_NOTIFICATION_IMAGES}" = "1" -a "${RETCODE}" -ne 0 ] ; then
+# 98 return code means we are restarting.  The capture program dealt with notification images.
+if [ "${RETCODE}" -eq 98 ] ; then
+	exit 0	# use 0 so the service is restarted
+fi
 
-	# 99 is a special return code which means to reset usb bus if possible.
-	if [ "${RETCODE}" -eq 99 -a "$UHUBCTL_PATH" != "" ] ; then
-		reset_usb
-	fi
+# 99 is a special return code which means to reset usb bus if possible.
+if [ "${RETCODE}" -eq 99 -a "$UHUBCTL_PATH" != "" ] ; then
+	reset_usb
+	exit 0	# use 0 so the service is restarted
+fi
 
+if [ "${USE_NOTIFICATION_IMAGES}" = "1" -a "${RETCODE}" -ne 0 ] ; then
 	# RETCODE -ge 100 means the we should not restart until the user fixes the error.
 	if [ "$RETCODE" -ge 100 ]; then
 		echo "***"
diff --git a/config_repo/config.sh.repo b/config_repo/config.sh.repo
index 5e27e3e8e..0682d9fc3 100644
--- a/config_repo/config.sh.repo
+++ b/config_repo/config.sh.repo
@@ -6,7 +6,7 @@
 #  - Values can optionally be quoted with double quotes, NOT single quotes.
 #  - If a variable occurs multiple times, only the last value is used.
 
-# Choose between "ZWO" or "RPiHQ".  Note that "auto" is no longer allowed.
+# Choose between "ZWO" or "RPiHQ".
 CAMERA=""
 
 
@@ -69,6 +69,15 @@ REMOVE_BAD_IMAGES_THRESHOLD_HIGH=90
 # e.g. activate autoexposure algorithm "mean" for RPiHQ: "-mean-value 0.3 -autoexposure 1"
 CAPTURE_EXTRA_PARAMETERS=""
 
+# Set to "false" to disable daytime capture.
+DAYTIME_CAPTURE="true"
+
+# Night images are always taken and saved to disk.
+# Setting DAYTIME_SAVE to "true" also saves daytime images to disk.
+# Will only save daytime images if DAYTIME_CAPTURE="true".
+DAYTIME_SAVE="false"
+
+
 ########## Timelapse
 # Set to "true" to generate a timelapse video at the end of each night.
 TIMELAPSE="true"
@@ -106,10 +115,7 @@ UPLOAD_VIDEO="false"
 KEOGRAM="true"
 
 # Additional Keogram parameters.  Run "keogram --help" to see the options.
-# Keograms work best if North is at the top of the image.  If this is not the case you can
-# rotate the image; for example, if North is straight down in your image, rotate it 180 degrees.
-# Rotation is anticlockwise. 0 disables rotation.
-KEOGRAM_EXTRA_PARAMETERS="--rotate 0 --font-size 1.0 --font-line 1 --font-color '255 255 255'"
+KEOGRAM_EXTRA_PARAMETERS="--font-size 1.0 --font-line 1 --font-color '255 255 255'"
 
 # Set to "true" to upload the keogram to your website at the end of each night.
 UPLOAD_KEOGRAM="false"
@@ -149,13 +155,10 @@ POST_END_OF_NIGHT_DATA="false"
 # You must first create dark frames - see the README.md file for instructions.
 DARK_FRAME_SUBTRACTION="false"
 
-# Set to "false" to disable daytime capture.
-DAYTIME_CAPTURE="true"
-
-# Night images are always taken and saved to disk.
-# Setting DAYTIME_SAVE to "true" also saves daytime images to disk.
-# Will only save daytime images if DAYTIME_CAPTURE="true".
-DAYTIME_SAVE="false"
+# If you have a fan in your Allsky camera enclosure that reports its speed,
+# set this to the full pathname of that file.
+# The file should include two numbers: the fan speed in RPM and the percent of maximum speed.
+FAN_DATA_FILE=""
 
 # The uhubctl command can reset the USB bus if the camera isn't found and you know it's there.
 # Allsky.sh uses this to try and fix "missing" cameras.
@@ -168,12 +171,14 @@ UHUBCTL_PORT=2
 # Do not change unless you know what you are doing.
 CAMERA_SETTINGS_DIR="${ALLSKY_CONFIG}"
 
+
+# ================ Do not change anything below this line.
+END_OF_USER_SETTINGS="true"		# During upgrades, stop looking for variables here.
+
 if [ "${CAMERA}" = "" ]; then
 	echo "${RED}ERROR: Please set CAMERA in config/config.sh${NC}"
-	exit 1
-elif [ "${CAMERA}" = "auto" ]; then
-	echo "${RED}ERROR: 'auto' is no longer a valid CAMERA type.  Please reset CAMERA in config/config.sh${NC}"
-	exit 1
+	sudo systemctl stop allsky
+	exit 100
 fi
 
 # This is needed in case the user changed the default location the current image is saved to.
@@ -183,23 +188,12 @@ else
 	CAPTURE_SAVE_DIR="${IMG_DIR}"
 fi
 
-# !!! The next few lines are for backwards compatibility and will be removed in the future - do not change !!!
-UPLOAD_IMG="${IMG_UPLOAD}"	# UPLOAD_IMG is th eold name for IMG_UPLOAD
-if [ "${DAYTIME_CAPTURE}" = "true" ]; then
-	DAYTIME=1		# DAYTIME is the old name for DAYTIME_CAPTURE
-else
-	DAYTIME=0
-fi
-CAPTURE_24HR=${DAYTIME_SAVE}	# CAPTURE_24HR is the old name for DAYTIME_SAVE
+CAMERA_SETTINGS="${CAMERA_SETTINGS_DIR}/settings_${CAMERA}.json"
 
-if [[ ${CAMERA} == "auto" ]]; then
-	# Restore currently saved autodiscovered camera type, if any.
-	source "${ALLSKY_CONFIG}/autocam.sh"	# May reset ${CAMERA}
-fi
-if [[ ${CAMERA} != "auto" ]]; then
-	CAMERA_SETTINGS="${CAMERA_SETTINGS_DIR}/settings_${CAMERA}.json"
+# Get the name of the file the websites will look for, and split into name and extension.
+FULL_FILENAME=$(jq -r '.filename' "$CAMERA_SETTINGS")
+EXTENSION="${FULL_FILENAME##*.}"
+FILENAME="${FULL_FILENAME%.*}"
  
-	# So scripts can conditionally ouput messages; DO NOT CHANGE NEXT LINES.
-	ALLSKY_DEBUG_LEVEL=$(jq -r '.debuglevel' "${CAMERA_SETTINGS}")
-fi
-ALLSKY_DEBUG_LEVEL=${ALLSKY_DEBUG_LEVEL:-0}
+# So scripts can conditionally ouput messages; DO NOT CHANGE NEXT LINES.
+ALLSKY_DEBUG_LEVEL=$(jq -r '.debuglevel' "${CAMERA_SETTINGS}")
diff --git a/config_repo/ftp-settings.sh.repo b/config_repo/ftp-settings.sh.repo
index f67fd4151..bd41d77c3 100755
--- a/config_repo/ftp-settings.sh.repo
+++ b/config_repo/ftp-settings.sh.repo
@@ -64,10 +64,6 @@ STARTRAILS_DIR=""
 STARTRAILS_DESTINATION_NAME=""
 WEB_STARTRAILS_DIR=""
 
-# These are for for backwards compatibility and will be removed in the future. DO NOT CHANGE!
-IMGDIR="${IMAGE_DIR}"
-MP4DIR="${VIDEOS_DIR}"
-
 
 ############### ftp, ftps, sftp, and scp PROTOCOLS only:
 	# Enter the name of the remote server.  If you don't know it, ask your service provider.
diff --git a/scripts/copy_notification_image.sh b/scripts/copy_notification_image.sh
index b19afe880..3693f98cf 100755
--- a/scripts/copy_notification_image.sh
+++ b/scripts/copy_notification_image.sh
@@ -4,7 +4,6 @@ ME="$(basename "${BASH_ARGV0}")"
 
 source "${ALLSKY_HOME}/variables.sh"
 source "${ALLSKY_CONFIG}/config.sh"
-source "${ALLSKY_SCRIPTS}/filename.sh"
 source "${ALLSKY_CONFIG}/ftp-settings.sh"
 
 NOTIFICATIONFILE="$1"	# filename, minus the extension, since the extension may vary
diff --git a/scripts/endOfNight.sh b/scripts/endOfNight.sh
index 402d4834d..74ee7ed10 100755
--- a/scripts/endOfNight.sh
+++ b/scripts/endOfNight.sh
@@ -9,7 +9,6 @@ fi
 
 source "${ALLSKY_HOME}/variables.sh"
 source "${ALLSKY_CONFIG}/config.sh"
-source "${ALLSKY_SCRIPTS}/filename.sh"
 source "${ALLSKY_CONFIG}/ftp-settings.sh"
 
 if [ $# -eq 1 ] ; then
diff --git a/scripts/filename.sh b/scripts/filename.sh
deleted file mode 100755
index fd8d036eb..000000000
--- a/scripts/filename.sh
+++ /dev/null
@@ -1,7 +0,0 @@
-#!/bin/bash
-
-# We get the filename from settings.json
-FULL_FILENAME=$(jq -r '.filename' "$CAMERA_SETTINGS")
-EXTENSION="${FULL_FILENAME##*.}"
-FILENAME="${FULL_FILENAME%.*}"
-
diff --git a/scripts/generateForDay.sh b/scripts/generateForDay.sh
index 82a455348..1f8382ee2 100755
--- a/scripts/generateForDay.sh
+++ b/scripts/generateForDay.sh
@@ -23,7 +23,6 @@ fi
 
 source "${ALLSKY_HOME}/variables.sh"
 source "${ALLSKY_CONFIG}/config.sh"
-source "${ALLSKY_SCRIPTS}/filename.sh"
 [ "${TYPE}" = "UPLOAD" ] && source "${ALLSKY_CONFIG}/ftp-settings.sh"
 
 # If we're on a tty we are being invoked manually so no need to display ${ME} in error messages.
diff --git a/scripts/removeBadImages.sh b/scripts/removeBadImages.sh
index 84e522944..1102eeb99 100755
--- a/scripts/removeBadImages.sh
+++ b/scripts/removeBadImages.sh
@@ -4,7 +4,6 @@ ME="$(basename "${BASH_ARGV0}")"
 
 source "${ALLSKY_HOME}/variables.sh"
 source "${ALLSKY_CONFIG}/config.sh"
-source "${ALLSKY_SCRIPTS}/filename.sh"
 
 usage()
 {
diff --git a/scripts/saveImage.sh b/scripts/saveImage.sh
index 8e1f5d944..6db6edb90 100755
--- a/scripts/saveImage.sh
+++ b/scripts/saveImage.sh
@@ -8,7 +8,6 @@ ME="$(basename "${BASH_ARGV0}")"
 
 source "${ALLSKY_HOME}/variables.sh"
 source "${ALLSKY_CONFIG}/config.sh"
-source "${ALLSKY_SCRIPTS}/filename.sh"
 
 usage_and_exit()
 {
diff --git a/scripts/timelapse.sh b/scripts/timelapse.sh
index 09d194a59..6d7d68e8d 100755
--- a/scripts/timelapse.sh
+++ b/scripts/timelapse.sh
@@ -1,14 +1,5 @@
 #!/bin/bash
 
-# TODO: remove these lines once we know they are in the new unified configuration file.
-TIMELAPSEWIDTH=${TIMELAPSEWIDTH:-0}
-TIMELAPSEHEIGHT=${TIMELAPSEHEIGHT:-0}
-FFLOG=${FFLOG:-warning}
-FPS=${FPS:-25}
-VCODEC=${VCODEC:-libx264}
-TIMELAPSE_BITRATE=${TIMELAPSE_BITRATE:-2000k}
-PIX_FMT=${PIX_FMT:-yuv420p}
-
 # Allow this script to be executed manually, which requires ALLSKY_HOME to be set.
 if [ -z "${ALLSKY_HOME}" ] ; then
 	export ALLSKY_HOME="$(realpath $(dirname "${BASH_ARGV0}")/..)"
@@ -16,7 +7,6 @@ fi
 
 source "${ALLSKY_HOME}/variables.sh"
 source "${ALLSKY_CONFIG}/config.sh"
-source "${ALLSKY_SCRIPTS}/filename.sh"
 
 # If we're on a tty that means we're being manually run and $RED != "".
 # In that case, don't display $ME.
diff --git a/scripts/upload.sh b/scripts/upload.sh
index a6b76a960..da2502130 100755
--- a/scripts/upload.sh
+++ b/scripts/upload.sh
@@ -10,7 +10,6 @@ fi
 
 source "${ALLSKY_HOME}/variables.sh"
 source "${ALLSKY_CONFIG}/config.sh"
-source "${ALLSKY_SCRIPTS}/filename.sh"
 source "${ALLSKY_CONFIG}/ftp-settings.sh"
 
 if [ "${1}" = "--silent" ] ; then