diff --git a/bitnami/harbor-portal/2/debian-11/Dockerfile b/bitnami/harbor-portal/2/debian-11/Dockerfile
index 8d216415520a..cecade3b19fb 100644
--- a/bitnami/harbor-portal/2/debian-11/Dockerfile
+++ b/bitnami/harbor-portal/2/debian-11/Dockerfile
@@ -4,7 +4,7 @@ ARG TARGETARCH
 
 LABEL org.opencontainers.image.authors="https://bitnami.com/contact" \
       org.opencontainers.image.description="Application packaged by Bitnami" \
-      org.opencontainers.image.ref.name="2.6.0-debian-11-r5" \
+      org.opencontainers.image.ref.name="2.6.0-debian-11-r6" \
       org.opencontainers.image.source="https://github.com/bitnami/containers/tree/main/bitnami/harbor-portal" \
       org.opencontainers.image.title="harbor-portal" \
       org.opencontainers.image.vendor="VMware, Inc." \
@@ -18,7 +18,7 @@ ENV HOME="/" \
 COPY prebuildfs /
 SHELL ["/bin/bash", "-o", "pipefail", "-c"]
 # Install required system packages and dependencies
-RUN install_packages acl ca-certificates curl gzip libcrypt1 libgeoip1 libpcre3 libssl1.1 procps tar zlib1g
+RUN install_packages ca-certificates curl libcrypt1 libgeoip1 libpcre3 libssl1.1 procps zlib1g
 RUN mkdir -p /tmp/bitnami/pkg/cache/ && cd /tmp/bitnami/pkg/cache/ && \
     if [ ! -f nginx-1.23.1-4-linux-${OS_ARCH}-debian-11.tar.gz ]; then \
       curl -SsLf https://downloads.bitnami.com/files/stacksmith/nginx-1.23.1-4-linux-${OS_ARCH}-debian-11.tar.gz -O ; \
diff --git a/bitnami/harbor-portal/2/debian-11/prebuildfs/opt/bitnami/scripts/libos.sh b/bitnami/harbor-portal/2/debian-11/prebuildfs/opt/bitnami/scripts/libos.sh
index e25f3b5d9594..92530b32d94d 100644
--- a/bitnami/harbor-portal/2/debian-11/prebuildfs/opt/bitnami/scripts/libos.sh
+++ b/bitnami/harbor-portal/2/debian-11/prebuildfs/opt/bitnami/scripts/libos.sh
@@ -506,3 +506,50 @@ get_machine_id() {
     fi
     echo "$machine_id"
 }
+
+########################
+# Get the root partition's disk device ID (e.g. /dev/sda1)
+# Globals:
+#   None
+# Arguments:
+#   None
+# Returns:
+#   Root partition disk ID
+#########################
+get_disk_device_id() {
+    local device_id=""
+    if grep -q ^/dev /proc/mounts; then
+        device_id="$(grep -q ^/dev /proc/mounts | awk '$2 == "/" { print $1 }' | tail -1)"
+    fi
+    # If it could not be autodetected, fallback to /dev/sda1 as a default
+    if [[ -z "$device_id" || ! -b "$device_id" ]]; then
+        device_id="/dev/sda1"
+    fi
+    echo "$device_id"
+}
+
+########################
+# Get the root disk device ID (e.g. /dev/sda)
+# Globals:
+#   None
+# Arguments:
+#   None
+# Returns:
+#   Root disk ID
+#########################
+get_root_disk_device_id() {
+    get_disk_device_id | sed 's/[0-9]\+$//'
+}
+
+########################
+# Get the root disk size in bytes
+# Globals:
+#   None
+# Arguments:
+#   None
+# Returns:
+#   Root disk size in bytes
+#########################
+get_root_disk_size() {
+    fdisk -l "$(get_root_disk_device_id)" | grep 'Disk.*bytes' | sed -E 's/.*, ([0-9]+) bytes,.*/\1/' || true
+}
diff --git a/bitnami/harbor-portal/README.md b/bitnami/harbor-portal/README.md
index 5511cf72e33a..d73b07155bea 100644
--- a/bitnami/harbor-portal/README.md
+++ b/bitnami/harbor-portal/README.md
@@ -41,7 +41,7 @@ Non-root container images add an extra layer of security and are generally recom
 Learn more about the Bitnami tagging policy and the difference between rolling tags and immutable tags [in our documentation page](https://docs.bitnami.com/tutorials/understand-rolling-tags-containers/).
 
 
-* [`2`, `2-debian-11`, `2.6.0`, `2.6.0-debian-11-r5`, `latest` (2/debian-11/Dockerfile)](https://github.com/bitnami/containers/blob/main/bitnami/harbor-portal/2/debian-11/Dockerfile)
+* [`2`, `2-debian-11`, `2.6.0`, `2.6.0-debian-11-r6`, `latest` (2/debian-11/Dockerfile)](https://github.com/bitnami/containers/blob/main/bitnami/harbor-portal/2/debian-11/Dockerfile)
 
 ## Configuration