diff --git a/CHANGES.txt b/CHANGES.txt
index 4eb4c9a822..5ad47d72bd 100644
--- a/CHANGES.txt
+++ b/CHANGES.txt
@@ -13,6 +13,7 @@
  * Add the ability to disable bulk loading of SSTables (CASSANDRA-18781)
  * Clean up obsolete functions and simplify cql_version handling in cqlsh (CASSANDRA-18787)
 Merged from 5.0:
+ * Update packaging shell includes (CASSANDRA-19283)
  * Fix data corruption in VectorCodec when using heap buffers (CASSANDRA-19167)
  * Avoid over-skipping of key iterators from static column indexes during mixed intersections (CASSANDRA-19278)
  * Make concurrent_index_builders configurable at runtime (CASSANDRA-19266)
diff --git a/debian/patches/cassandra_in.sh_dirs.diff b/debian/patches/cassandra_in.sh_dirs.diff
index 2926966c42..fe24fe3669 100644
--- a/debian/patches/cassandra_in.sh_dirs.diff
+++ b/debian/patches/cassandra_in.sh_dirs.diff
@@ -25,7 +25,7 @@
  
  # This can be the path to a jar file, or a directory containing the 
  # compiled classes. NOTE: This isn't needed by the startup script,
-@@ -38,7 +38,7 @@ fi
+@@ -45,7 +45,7 @@ fi
  
  # the default location for commitlogs, sstables, and saved caches
  # if not set in cassandra.yaml
@@ -33,9 +33,9 @@
 +cassandra_storagedir=/var/lib/cassandra
  
  # JAVA_HOME can optionally be set here
- #JAVA_HOME=/usr/local/jdk11
-@@ -47,6 +47,10 @@ for jar in "$CASSANDRA_HOME"/lib/*.jar; do
-     CLASSPATH="$CLASSPATH:$jar"
+ #JAVA_HOME=/usr/local/jdk6
+@@ -59,6 +59,10 @@ for jsr223jar in "$CASSANDRA_HOME"/lib/jsr223/*/*.jar; do
+     CLASSPATH="$CLASSPATH:$jsr223jar"
  done
  
 +for jar in "$CASSANDRA_HOME"/*.jar; do
@@ -44,56 +44,4 @@
 +
  CLASSPATH="$CLASSPATH:$EXTRA_CLASSPATH"
  
- # JSR223 - collect all JSR223 engines' jars
- #
- # Java executable and per-Java version JVM settings
- #
-
- # Use JAVA_HOME if set, otherwise look for java in PATH
- if [ -n "$JAVA_HOME" ]; then
-     # Why we can't have nice things: Solaris combines x86 and x86_64
-     # installations in the same tree, using an unconventional path for the
-     # 64bit JVM.  Since we prefer 64bit, search the alternate path first,
-     # (see https://issues.apache.org/jira/browse/CASSANDRA-4638).
-     for java in "$JAVA_HOME"/bin/amd64/java "$JAVA_HOME"/bin/java; do
-         if [ -x "$java" ]; then
-             JAVA="$java"
-             break
-         fi
-     done
- else
-     JAVA=`command -v java 2> /dev/null`
- fi
-
- if [ -z $JAVA ] ; then
-     echo Unable to find java executable. Check JAVA_HOME and PATH environment variables. >&2
-     exit 1;
- fi
-
- # Matches variable 'java.supported' in build.xml
-+java_versions_supported=11,17
- # Determine the sort of JVM we'll be running on.
- java_ver_output=`"${JAVA:-java}" -version 2>&1`
- jvmver=`echo "$java_ver_output" | grep '[openjdk|java] version' | awk -F'"' 'NR==1 {print $2}' | cut -d\- -f1`
- JVM_VERSION=${jvmver%_*}
- short=$(echo "${jvmver}" | cut -c1-2)
-
-# Unsupported JDKs below the upper supported version are not allowed
-+if [ "$short" != "$(echo "$java_versions_supported" | cut -d, -f1)" ] && [ "$JVM_VERSION" \< "$(echo "$java_versions_supported" | cut -d, -f2)" ] ; then
-+    echo "Unsupported Java $JVM_VERSION. Supported are $java_versions_supported"
-     exit 1;
- fi
-# Allow execution of supported Java versions, and newer if CASSANDRA_JDK_UNSUPPORTED is set
-+is_supported_version=$(echo "$java_versions_supported" | tr "," '\n' | grep -F -x "$short")
-+if [ -z "$is_supported_version" ] ; then
-+    if [ -z "$CASSANDRA_JDK_UNSUPPORTED" ] ; then
-+        echo "Unsupported Java $JVM_VERSION. Supported are $java_versions_supported"
-+        echo "If you would like to test with newer Java versions set CASSANDRA_JDK_UNSUPPORTED to any value (for example, CASSANDRA_JDK_UNSUPPORTED=true). Unset the parameter for default behavior"
-+        exit 1;
-+    else
-+        echo "######################################################################"
-+        echo "Warning! You are using JDK$short. This Cassandra version only supports $java_versions_supported."
-+        echo "######################################################################"
-+    fi
-+fi
-+JAVA_VERSION=$short
+ # JSR223/JRuby - set ruby lib directory
diff --git a/redhat/cassandra.in.sh b/redhat/cassandra.in.sh
index 9a89bc3564..c08a8316af 100644
--- a/redhat/cassandra.in.sh
+++ b/redhat/cassandra.in.sh
@@ -1,4 +1,3 @@
-#
 # Licensed to the Apache Software Foundation (ASF) under one
 # or more contributor license agreements.  See the NOTICE file
 # distributed with this work for additional information
@@ -14,7 +13,7 @@
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
-#
+
 
 # The directory where Cassandra's configs live (required)
 CASSANDRA_CONF=/etc/cassandra/conf
@@ -25,23 +24,71 @@ CASSANDRA_HOME=/usr/share/cassandra
 if [ -n "$CLASSPATH" ]; then
     CLASSPATH=$CLASSPATH:$CASSANDRA_CONF
 else
-    CLASSPATH=$CASSANDRA_CONF
+    CLASSPATH="$CASSANDRA_CONF"
 fi
 
-for jar in /usr/share/cassandra/lib/*.jar; do
-    CLASSPATH=$CLASSPATH:$jar
+# This can be the path to a jar file, or a directory containing the 
+# compiled classes. NOTE: This isn't needed by the startup script,
+# it's just used here in constructing the classpath.
+if [ -d $CASSANDRA_HOME/build ] ; then
+    jars_cnt="`ls -1 $CASSANDRA_HOME/build/apache-cassandra*.jar | grep -v 'javadoc.jar' | grep -v 'sources.jar' | wc -l | xargs echo`"
+    if [ "$jars_cnt" -gt 1 ]; then
+        dir="`cd $CASSANDRA_HOME/build; pwd`"
+        echo "There are JAR artifacts for multiple versions in the $dir directory. Please clean the project with 'ant realclean' and build it again." 1>&2
+        exit 1
+    fi
+
+    if [ "$jars_cnt" = "1" ]; then
+        cassandra_bin="`ls -1 $CASSANDRA_HOME/build/apache-cassandra*.jar | grep -v javadoc | grep -v sources`"
+        CLASSPATH="$CLASSPATH:$cassandra_bin"
+    fi
+fi
+
+# the default location for commitlogs, sstables, and saved caches
+# if not set in cassandra.yaml
+cassandra_storagedir=/var/lib/cassandra
+
+# JAVA_HOME can optionally be set here
+#JAVA_HOME=/usr/local/jdk6
+
+for jar in "$CASSANDRA_HOME"/lib/*.jar; do
+    CLASSPATH="$CLASSPATH:$jar"
 done
 
-for jar in /usr/share/cassandra/*.jar; do
-    CLASSPATH=$CLASSPATH:$jar
+# JSR223 - collect all JSR223 engines' jars
+for jsr223jar in "$CASSANDRA_HOME"/lib/jsr223/*/*.jar; do
+    CLASSPATH="$CLASSPATH:$jsr223jar"
+done
+
+for jar in "$CASSANDRA_HOME"/*.jar; do
+    CLASSPATH="$CLASSPATH:$jar"
 done
 
 CLASSPATH="$CLASSPATH:$EXTRA_CLASSPATH"
 
+# JSR223/JRuby - set ruby lib directory
+if [ -d "$CASSANDRA_HOME"/lib/jsr223/jruby/ruby ] ; then
+    export JVM_OPTS="$JVM_OPTS -Djruby.lib=$CASSANDRA_HOME/lib/jsr223/jruby"
+fi
+# JSR223/JRuby - set ruby JNI libraries root directory
+if [ -d "$CASSANDRA_HOME"/lib/jsr223/jruby/jni ] ; then
+    export JVM_OPTS="$JVM_OPTS -Djffi.boot.library.path=$CASSANDRA_HOME/lib/jsr223/jruby/jni"
+fi
+# JSR223/Jython - set python.home system property
+if [ -f "$CASSANDRA_HOME"/lib/jsr223/jython/jython.jar ] ; then
+    export JVM_OPTS="$JVM_OPTS -Dpython.home=$CASSANDRA_HOME/lib/jsr223/jython"
+fi
+# JSR223/Scala - necessary system property
+if [ -f "$CASSANDRA_HOME"/lib/jsr223/scala/scala-compiler.jar ] ; then
+    export JVM_OPTS="$JVM_OPTS -Dscala.usejavacp=true"
+fi
 
 # set JVM javaagent opts to avoid warnings/errors
 JAVA_AGENT="$JAVA_AGENT -javaagent:$CASSANDRA_HOME/lib/jamm-0.4.0.jar"
 
+# Added sigar-bin to the java.library.path CASSANDRA-7838
+JAVA_OPTS="$JAVA_OPTS:-Djava.library.path=$CASSANDRA_HOME/lib/sigar-bin"
+
 platform=$(uname -m)
 if [ -d "$CASSANDRA_HOME"/lib/"$platform" ]; then
     for jar in "$CASSANDRA_HOME"/lib/"$platform"/*.jar ; do
@@ -134,3 +181,11 @@ for opt in `grep "^-" $JVM_OPTS_FILE` `grep "^-" $JVM_DEP_OPTS_FILE`
 do
   JVM_OPTS="$JVM_OPTS $opt"
 done
+
+# Append additional options when using JDK17+ (CASSANDRA-19001)
+USING_JDK=$(command -v javac || command -v "${JAVA_HOME:-/usr}/bin/javac")
+if [ -n "$USING_JDK" ] && [ "$JAVA_VERSION" -ge 17 ]; then
+  JVM_OPTS="$JVM_OPTS --add-exports jdk.attach/sun.tools.attach=ALL-UNNAMED"
+  JVM_OPTS="$JVM_OPTS --add-exports jdk.compiler/com.sun.tools.javac.file=ALL-UNNAMED"
+  JVM_OPTS="$JVM_OPTS --add-opens jdk.compiler/com.sun.tools.javac=ALL-UNNAMED"
+fi