updated auto-fix script and added 32-bit start script updated.

auto-fix-qortal.sh

@@ -13,6 +13,7 @@ NC='\033[0m'              # No Color
 
 PI_32_DETECTED=false
 PI_64_DETECTED=false
+UPDATED_SETTINGS=false
 
 # Function to update the script
 initial_update() {
@@ -476,48 +477,55 @@ force_bootstrap() {
 }
 
 potentially_update_settings() {
-
+    echo "${GREEN}Backing up settings to a timestamped backup file...${NC}"
-    echo "${GREEN}Backing up settings to backup-settings.json...${NC}"
     echo "${YELLOW}Changing to qortal directory...${NC}"
     cd "${HOME}/qortal"
-    cp settings.json backup-settings.json
+    if [ ${SETTINGS_UPDATED} ]; then
+    	echo "${YELLOW} Settings already updated this run, no need to attempt again...${NC}"
+    	return
+    fi
+    
+    TIMESTAMP=$(date +%Y%m%d%H%M%S)
+    BACKUP_FILE="backup-settings-${TIMESTAMP}.json"
+    cp settings.json "${BACKUP_FILE}"
 
     SETTINGS_FILE="settings.json"
 
     echo "${YELLOW}Checking for${NC} ${GREEN}archivingPause${NC} ${YELLOW}setting...${NC}"
     if grep -q '"archivingPause"' "${SETTINGS_FILE}"; then
-        echo "${BLUE}archivingPause exists...${NC}${GREEN} updating value...${NC}"
+        echo "${BLUE}archivingPause exists...${NC}${GREEN} removing it...${NC}"
         if command -v jq &> /dev/null; then
             echo "${GREEN}jq exists,${NC}${YELLOW} using jq to modify setting...${NC}"
-            jq '.archivingPause = 999999999999' "${SETTINGS_FILE}" > "settings.tmp" && mv "settings.tmp" "${SETTINGS_FILE}"
+            jq 'del(.archivingPause)' "${SETTINGS_FILE}" > "settings.tmp"
-            if [ $? -ne 0 ]; then
+            if [ $? -eq 0 ]; then
-                echo "${RED}jq edit failed${NC}, ${YELLOW}modifying with sed...${NC}" 
+                mv "settings.tmp" "${SETTINGS_FILE}"
-                sed -i 's/"archivingPause"[[:space:]]*:[[:space:]]*[0-9]*/"archivingPause": 999999999999/' "${SETTINGS_FILE}"
+                SETTINGS_UPDATED=true
+            else
+                echo "${RED}jq edit failed, restoring backup...${NC}"
+                mv "${BACKUP_FILE}" "${SETTINGS_FILE}"
+                return 1
             fi
         else
             echo "${BLUE}jq doesn't exist, modifying with sed...${NC}"
-            sed -i 's/"archivingPause"[[:space:]]*:[[:space:]]*[0-9]*/"archivingPause": 999999999999/' "${SETTINGS_FILE}"
+            sed -i '/"archivingPause"[[:space:]]*:/d' "${SETTINGS_FILE}"
-        fi
-    else
-        echo "${BLUE}archivingPause doesn't exist, adding...${NC}"
-        if command -v jq &> /dev/null; then 
-            echo "${BLUE}jq exists, adding with jq...${NC}"
-            jq '. + {archivingPause: 999999999999}' "${SETTINGS_FILE}" > "settings.tmp" && mv "settings.tmp" "${SETTINGS_FILE}"
             if [ $? -ne 0 ]; then
-                echo "${RED}jq edit failed, modifying with sed...${NC}" 
+                echo "${RED}sed edit failed, restoring backup...${NC}"
-                sed -i 's/}$/,"archivingPause": 999999999999}/' "${SETTINGS_FILE}"
+                mv "${BACKUP_FILE}" "${SETTINGS_FILE}"
+                return 1
+            fi
+            SETTINGS_UPDATED=true
         fi
     else
-            echo "${BLUE}jq doesn't exist, adding with sed...${NC}"
+        echo "${BLUE}archivingPause does not exist, no changes needed...${NC}"
-            sed -i 's/}$/,"archivingPause": 999999999999}/' "${SETTINGS_FILE}"
-        fi
     fi
 
     echo "${GREEN}Settings modification complete.${NC}"
     cd "${HOME}"
+    return 0
 }
 
 
+
 update_script() {
     echo "${YELLOW}Updating script to newest version and backing up old one...${NC}\n"
     mkdir -p "${HOME}/qortal/new-scripts/backups"

start-32bit.sh

@@ -0,0 +1,65 @@
+#!/bin/sh
+
+# There's no need to run as root, so don't allow it, for security reasons
+if [ "$USER" = "root" ]; then
+	echo "Please su to non-root user before running"
+	exit
+fi
+
+# Validate Java is installed and the minimum version is available
+MIN_JAVA_VER='11'
+
+if command -v java > /dev/null 2>&1; then
+    # Example: openjdk version "11.0.6" 2020-01-14
+    version=$(java -version 2>&1 | awk -F '"' '/version/ {print $2}' | cut -d'.' -f1,2)
+    if echo "${version}" "${MIN_JAVA_VER}" | awk '{ if ($2 > 0 && $1 >= $2) exit 0; else exit 1}'; then
+        echo 'Passed Java version check'
+    else
+        echo "Please upgrade your Java to version ${MIN_JAVA_VER} or greater"
+        exit 1
+    fi
+else
+  echo "Java is not available, please install Java ${MIN_JAVA_VER} or greater"
+  exit 1
+fi
+
+# No qortal.jar but we have a Maven built one?
+# Be helpful and copy across to correct location
+if [ ! -e qortal.jar -a -f target/qortal*.jar ]; then
+	echo "Copying Maven-built Qortal JAR to correct pathname"
+	cp target/qortal*.jar qortal.jar
+fi
+
+# Limits Java JVM stack size and maximum heap usage.
+# Comment out for bigger systems, e.g. non-routers
+# or when API documentation is enabled
+JVM_MEMORY_ARGS="-Xss1256k -Xms1750m -Xmx1750m"
+#JVM_MEMORY_ARGS="
+  -Xms1750m \
+  -Xmx1750m \
+  -Xss1212k \
+  -XX:+HeapDumpOnOutOfMemoryError \
+  -XX:HeapDumpPath=./heapdump.hprof \
+  -XX:+UseG1GC \
+  -XX:MaxGCPauseMillis=300 \
+  -XX:InitiatingHeapOccupancyPercent=50 \
+  -XX:ParallelGCThreads=4 \
+  -XX:ConcGCThreads=2 \
+  -XX:G1HeapRegionSize=32m \
+  -XX:MaxTenuringThreshold=10 \
+  -XX:+AlwaysPreTouch 
+"
+
+# Although java.net.preferIPv4Stack is supposed to be false
+# by default in Java 11, on some platforms (e.g. FreeBSD 12),
+# it is overridden to be true by default. Hence we explicitly
+# set it to false to obtain desired behaviour.
+nohup nice -n 15 java \
+	-Djava.net.preferIPv4Stack=false \
+	${JVM_MEMORY_ARGS} \
+	-jar qortal.jar \
+	1>run.log 2>&1 &
+
+# Save backgrounded process's PID
+echo $! > run.pid
+echo qortal running as pid $!

start-4GB.sh

@@ -33,8 +33,8 @@ fi
 # Limits Java JVM stack size and maximum heap usage.
 # Comment out for bigger systems, e.g. non-routers
 # or when API documentation is enabled
-#JVM_MEMORY_ARGS="-XX:MaxRAMPercentage=60 -XX:+UseG1GC -Xss512k -XX:+HeapDumpOnOutOfMemoryError -XX:HeapDumpPath=./heapdump.hprof -Xlog:gc*:file=gc.log:time,uptime,level,tags"
+JVM_MEMORY_ARGS="-XX:MaxRAMPercentage=80 -XX:+UseG1GC -Xss1024k"
-JVM_MEMORY_ARGS="
+#JVM_MEMORY_ARGS="
   -Xms2600m \
   -Xmx2600m \
   -Xss1024k \

start-6001-to-16000m.sh

@@ -33,8 +33,8 @@ fi
 # Limits Java JVM stack size and maximum heap usage.
 # Comment out for bigger systems, e.g. non-routers
 # or when API documentation is enabled
-#JVM_MEMORY_ARGS="-XX:MaxRAMPercentage=40 -XX:+UseG1GC -Xss512k -XX:+HeapDumpOnOutOfMemoryError -XX:HeapDumpPath=./heapdump.hprof"
+JVM_MEMORY_ARGS="-XX:MaxRAMPercentage40 -XX:+UseG1GC -Xss512k"
-JVM_MEMORY_ARGS="
+#JVM_MEMORY_ARGS="
   -Xms6000m \
   -Xmx6000m \
   -Xss2048k \

start-high-RAM.sh

@@ -34,8 +34,8 @@ fi
 # Comment out for bigger systems, e.g. non-routers
 # or when API documentation is enabled
 # Uncomment (remove '#' sign) line below if your system has less than 12GB of RAM for optimal RAM defaults
-#JVM_MEMORY_ARGS="-XX:MaxRAMPercentage=40 -XX:+UseG1GC -Xss512k -XX:+HeapDumpOnOutOfMemoryError -XX:HeapDumpPath=./heapdump.hprof"
+JVM_MEMORY_ARGS="-XX:MaxRAMPercentage=40 -XX:+UseG1GC -Xss1024k"
-JVM_MEMORY_ARGS="
+#JVM_MEMORY_ARGS="
   -Xms8000m \
   -Xmx8000m \
   -Xss4096k \

start-modified-memory-args.sh

@@ -33,8 +33,8 @@ fi
 # Limits Java JVM stack size and maximum heap usage.
 # Comment out for bigger systems, e.g. non-routers
 # or when API documentation is enabled
-#JVM_MEMORY_ARGS="-Xss1256k -Xms1750m -Xmx1750m"
+JVM_MEMORY_ARGS="-Xss1256k -Xms1750m -Xmx1750m"
-JVM_MEMORY_ARGS="
+#JVM_MEMORY_ARGS="
   -Xms1750m \
   -Xmx1750m \
   -Xss1212k \