From ba70f9867b292bd131cc3edad3ddf64fef5d4726 Mon Sep 17 00:00:00 2001
From: CanbiZ <47820557+MickLesk@users.noreply.github.com>
Date: Mon, 28 Jul 2025 11:00:09 +0200
Subject: [PATCH] ProxmoxVE 9.0 Beta: add BETA Version as test in pve_check
 (#6295)

---
 misc/build.func         | 35 +++++++++++++++++++++++++++++------
 vm/archlinux-vm.sh      | 37 ++++++++++++++++++++++++++++++-------
 vm/debian-vm.sh         | 37 ++++++++++++++++++++++++++++++-------
 vm/docker-vm.sh         | 37 ++++++++++++++++++++++++++++++-------
 vm/haos-vm.sh           | 37 ++++++++++++++++++++++++++++++-------
 vm/mikrotik-routeros.sh | 37 ++++++++++++++++++++++++++++++-------
 vm/nextcloud-vm.sh      | 37 ++++++++++++++++++++++++++++++-------
 vm/openwrt.sh           | 37 ++++++++++++++++++++++++++++++-------
 vm/opnsense-vm.sh       | 37 ++++++++++++++++++++++++++++++-------
 vm/owncloud-vm.sh       | 37 ++++++++++++++++++++++++++++++-------
 vm/pimox-haos-vm.sh     | 37 ++++++++++++++++++++++++++++++-------
 vm/ubuntu2204-vm.sh     | 37 ++++++++++++++++++++++++++++++-------
 vm/ubuntu2404-vm.sh     | 37 ++++++++++++++++++++++++++++++-------
 vm/ubuntu2410-vm.sh     | 37 ++++++++++++++++++++++++++++++-------
 vm/ubuntu2504-vm.sh     | 37 ++++++++++++++++++++++++++++++-------
 vm/umbrel-os-vm.sh      | 37 ++++++++++++++++++++++++++++++-------
 16 files changed, 479 insertions(+), 111 deletions(-)

diff --git a/misc/build.func b/misc/build.func
index 7c6d16155..8a9bcbbc8 100644
--- a/misc/build.func
+++ b/misc/build.func
@@ -66,13 +66,36 @@ root_check() {
 
 # This function checks the version of Proxmox Virtual Environment (PVE) and exits if the version is not supported.
 pve_check() {
-  if ! pveversion | grep -Eq "pve-manager/8\.[0-4](\.[0-9]+)*"; then
-    msg_error "${CROSS}${RD}This version of Proxmox Virtual Environment is not supported"
-    echo -e "Requires Proxmox Virtual Environment Version 8.1 or later."
-    echo -e "Exiting..."
-    sleep 2
-    exit
+  local PVE_VER
+  PVE_VER="$(pveversion | awk -F'/' '{print $2}' | awk -F'-' '{print $1}')"
+
+  # Check for Proxmox VE 8.x
+  if [[ "$PVE_VER" =~ ^8\.([0-9]+) ]]; then
+    local MINOR="${BASH_REMATCH[1]}"
+    if ((MINOR < 1 || MINOR > 4)); then
+      msg_error "This version of Proxmox VE is not supported."
+      echo -e "Required: Proxmox VE version 8.1 – 8.4"
+      exit 1
+    fi
+    return 0
   fi
+
+  # Check for Proxmox VE 9.x (Beta) — require confirmation
+  if [[ "$PVE_VER" =~ ^9\.([0-9]+) ]]; then
+    if whiptail --title "Proxmox 9.x Detected (Beta)" \
+      --yesno "You are using Proxmox VE $PVE_VER, which is currently in Beta state.\n\nThis version is experimentally supported.\n\nDo you want to proceed anyway?" 12 70; then
+      msg_ok "Confirmed: Continuing with Proxmox VE $PVE_VER"
+      return 0
+    else
+      msg_error "Aborted by user: Proxmox VE 9.x was not confirmed."
+      exit 1
+    fi
+  fi
+
+  # All other unsupported versions
+  msg_error "This version of Proxmox VE is not supported."
+  echo -e "Supported versions: Proxmox VE 8.1 – 8.4 or 9.x (Beta, with confirmation)"
+  exit 1
 }
 
 # When a node is running tens of containers, it's possible to exceed the kernel's cryptographic key storage allocations.
diff --git a/vm/archlinux-vm.sh b/vm/archlinux-vm.sh
index 30f61e960..2eae37e82 100644
--- a/vm/archlinux-vm.sh
+++ b/vm/archlinux-vm.sh
@@ -138,14 +138,37 @@ function check_root() {
   fi
 }
 
-function pve_check() {
-  if ! pveversion | grep -Eq "pve-manager/8\.[1-4](\.[0-9]+)*"; then
-    msg_error "${CROSS}${RD}This version of Proxmox Virtual Environment is not supported"
-    echo -e "Requires Proxmox Virtual Environment Version 8.1 or later."
-    echo -e "Exiting..."
-    sleep 2
-    exit
+pve_check() {
+  local PVE_VER
+  PVE_VER="$(pveversion | awk -F'/' '{print $2}' | awk -F'-' '{print $1}')"
+
+  # Check for Proxmox VE 8.x
+  if [[ "$PVE_VER" =~ ^8\.([0-9]+) ]]; then
+    local MINOR="${BASH_REMATCH[1]}"
+    if ((MINOR < 1 || MINOR > 4)); then
+      msg_error "This version of Proxmox VE is not supported."
+      echo -e "Required: Proxmox VE version 8.1 – 8.4"
+      exit 1
+    fi
+    return 0
   fi
+
+  # Check for Proxmox VE 9.x (Beta) — require confirmation
+  if [[ "$PVE_VER" =~ ^9\.([0-9]+) ]]; then
+    if whiptail --title "Proxmox 9.x Detected (Beta)" \
+      --yesno "You are using Proxmox VE $PVE_VER, which is currently in Beta state.\n\nThis version is experimentally supported.\n\nDo you want to proceed anyway?" 12 70; then
+      msg_ok "Confirmed: Continuing with Proxmox VE $PVE_VER"
+      return 0
+    else
+      msg_error "Aborted by user: Proxmox VE 9.x was not confirmed."
+      exit 1
+    fi
+  fi
+
+  # All other unsupported versions
+  msg_error "This version of Proxmox VE is not supported."
+  echo -e "Supported versions: Proxmox VE 8.1 – 8.4 or 9.x (Beta, with confirmation)"
+  exit 1
 }
 
 function arch_check() {
diff --git a/vm/debian-vm.sh b/vm/debian-vm.sh
index 746a534e8..0642800d8 100644
--- a/vm/debian-vm.sh
+++ b/vm/debian-vm.sh
@@ -138,14 +138,37 @@ function check_root() {
   fi
 }
 
-function pve_check() {
-  if ! pveversion | grep -Eq "pve-manager/8\.[1-4](\.[0-9]+)*"; then
-    msg_error "${CROSS}${RD}This version of Proxmox Virtual Environment is not supported"
-    echo -e "Requires Proxmox Virtual Environment Version 8.1 or later."
-    echo -e "Exiting..."
-    sleep 2
-    exit
+pve_check() {
+  local PVE_VER
+  PVE_VER="$(pveversion | awk -F'/' '{print $2}' | awk -F'-' '{print $1}')"
+
+  # Check for Proxmox VE 8.x
+  if [[ "$PVE_VER" =~ ^8\.([0-9]+) ]]; then
+    local MINOR="${BASH_REMATCH[1]}"
+    if ((MINOR < 1 || MINOR > 4)); then
+      msg_error "This version of Proxmox VE is not supported."
+      echo -e "Required: Proxmox VE version 8.1 – 8.4"
+      exit 1
+    fi
+    return 0
   fi
+
+  # Check for Proxmox VE 9.x (Beta) — require confirmation
+  if [[ "$PVE_VER" =~ ^9\.([0-9]+) ]]; then
+    if whiptail --title "Proxmox 9.x Detected (Beta)" \
+      --yesno "You are using Proxmox VE $PVE_VER, which is currently in Beta state.\n\nThis version is experimentally supported.\n\nDo you want to proceed anyway?" 12 70; then
+      msg_ok "Confirmed: Continuing with Proxmox VE $PVE_VER"
+      return 0
+    else
+      msg_error "Aborted by user: Proxmox VE 9.x was not confirmed."
+      exit 1
+    fi
+  fi
+
+  # All other unsupported versions
+  msg_error "This version of Proxmox VE is not supported."
+  echo -e "Supported versions: Proxmox VE 8.1 – 8.4 or 9.x (Beta, with confirmation)"
+  exit 1
 }
 
 function arch_check() {
diff --git a/vm/docker-vm.sh b/vm/docker-vm.sh
index bf5e802fe..c7f1fe300 100644
--- a/vm/docker-vm.sh
+++ b/vm/docker-vm.sh
@@ -139,14 +139,37 @@ function check_root() {
   fi
 }
 
-function pve_check() {
-  if ! pveversion | grep -Eq "pve-manager/8\.[1-4](\.[0-9]+)*"; then
-    msg_error "${CROSS}${RD}This version of Proxmox Virtual Environment is not supported"
-    echo -e "Requires Proxmox Virtual Environment Version 8.1 or later."
-    echo -e "Exiting..."
-    sleep 2
-    exit
+pve_check() {
+  local PVE_VER
+  PVE_VER="$(pveversion | awk -F'/' '{print $2}' | awk -F'-' '{print $1}')"
+
+  # Check for Proxmox VE 8.x
+  if [[ "$PVE_VER" =~ ^8\.([0-9]+) ]]; then
+    local MINOR="${BASH_REMATCH[1]}"
+    if ((MINOR < 1 || MINOR > 4)); then
+      msg_error "This version of Proxmox VE is not supported."
+      echo -e "Required: Proxmox VE version 8.1 – 8.4"
+      exit 1
+    fi
+    return 0
   fi
+
+  # Check for Proxmox VE 9.x (Beta) — require confirmation
+  if [[ "$PVE_VER" =~ ^9\.([0-9]+) ]]; then
+    if whiptail --title "Proxmox 9.x Detected (Beta)" \
+      --yesno "You are using Proxmox VE $PVE_VER, which is currently in Beta state.\n\nThis version is experimentally supported.\n\nDo you want to proceed anyway?" 12 70; then
+      msg_ok "Confirmed: Continuing with Proxmox VE $PVE_VER"
+      return 0
+    else
+      msg_error "Aborted by user: Proxmox VE 9.x was not confirmed."
+      exit 1
+    fi
+  fi
+
+  # All other unsupported versions
+  msg_error "This version of Proxmox VE is not supported."
+  echo -e "Supported versions: Proxmox VE 8.1 – 8.4 or 9.x (Beta, with confirmation)"
+  exit 1
 }
 
 function arch_check() {
diff --git a/vm/haos-vm.sh b/vm/haos-vm.sh
index 902ce984b..26b823056 100644
--- a/vm/haos-vm.sh
+++ b/vm/haos-vm.sh
@@ -142,14 +142,37 @@ function check_root() {
   fi
 }
 
-function pve_check() {
-  if ! pveversion | grep -Eq "pve-manager/8\.[1-4](\.[0-9]+)*"; then
-    msg_error "${CROSS}${RD}This version of Proxmox Virtual Environment is not supported"
-    echo -e "Requires Proxmox Virtual Environment Version 8.1 or later."
-    echo -e "Exiting..."
-    sleep 2
-    exit
+pve_check() {
+  local PVE_VER
+  PVE_VER="$(pveversion | awk -F'/' '{print $2}' | awk -F'-' '{print $1}')"
+
+  # Check for Proxmox VE 8.x
+  if [[ "$PVE_VER" =~ ^8\.([0-9]+) ]]; then
+    local MINOR="${BASH_REMATCH[1]}"
+    if ((MINOR < 1 || MINOR > 4)); then
+      msg_error "This version of Proxmox VE is not supported."
+      echo -e "Required: Proxmox VE version 8.1 – 8.4"
+      exit 1
+    fi
+    return 0
   fi
+
+  # Check for Proxmox VE 9.x (Beta) — require confirmation
+  if [[ "$PVE_VER" =~ ^9\.([0-9]+) ]]; then
+    if whiptail --title "Proxmox 9.x Detected (Beta)" \
+      --yesno "You are using Proxmox VE $PVE_VER, which is currently in Beta state.\n\nThis version is experimentally supported.\n\nDo you want to proceed anyway?" 12 70; then
+      msg_ok "Confirmed: Continuing with Proxmox VE $PVE_VER"
+      return 0
+    else
+      msg_error "Aborted by user: Proxmox VE 9.x was not confirmed."
+      exit 1
+    fi
+  fi
+
+  # All other unsupported versions
+  msg_error "This version of Proxmox VE is not supported."
+  echo -e "Supported versions: Proxmox VE 8.1 – 8.4 or 9.x (Beta, with confirmation)"
+  exit 1
 }
 
 function arch_check() {
diff --git a/vm/mikrotik-routeros.sh b/vm/mikrotik-routeros.sh
index 3a4f91d0a..21b5a3007 100644
--- a/vm/mikrotik-routeros.sh
+++ b/vm/mikrotik-routeros.sh
@@ -139,14 +139,37 @@ function check_root() {
   fi
 }
 
-function pve_check() {
-  if ! pveversion | grep -Eq "pve-manager/8\.[1-4](\.[0-9]+)*"; then
-    msg_error "${CROSS}${RD}This version of Proxmox Virtual Environment is not supported"
-    echo -e "Requires Proxmox Virtual Environment Version 8.1 or later."
-    echo -e "Exiting..."
-    sleep 2
-    exit
+pve_check() {
+  local PVE_VER
+  PVE_VER="$(pveversion | awk -F'/' '{print $2}' | awk -F'-' '{print $1}')"
+
+  # Check for Proxmox VE 8.x
+  if [[ "$PVE_VER" =~ ^8\.([0-9]+) ]]; then
+    local MINOR="${BASH_REMATCH[1]}"
+    if ((MINOR < 1 || MINOR > 4)); then
+      msg_error "This version of Proxmox VE is not supported."
+      echo -e "Required: Proxmox VE version 8.1 – 8.4"
+      exit 1
+    fi
+    return 0
   fi
+
+  # Check for Proxmox VE 9.x (Beta) — require confirmation
+  if [[ "$PVE_VER" =~ ^9\.([0-9]+) ]]; then
+    if whiptail --title "Proxmox 9.x Detected (Beta)" \
+      --yesno "You are using Proxmox VE $PVE_VER, which is currently in Beta state.\n\nThis version is experimentally supported.\n\nDo you want to proceed anyway?" 12 70; then
+      msg_ok "Confirmed: Continuing with Proxmox VE $PVE_VER"
+      return 0
+    else
+      msg_error "Aborted by user: Proxmox VE 9.x was not confirmed."
+      exit 1
+    fi
+  fi
+
+  # All other unsupported versions
+  msg_error "This version of Proxmox VE is not supported."
+  echo -e "Supported versions: Proxmox VE 8.1 – 8.4 or 9.x (Beta, with confirmation)"
+  exit 1
 }
 
 function arch_check() {
diff --git a/vm/nextcloud-vm.sh b/vm/nextcloud-vm.sh
index 8d6c0fe3b..62ad1ea56 100644
--- a/vm/nextcloud-vm.sh
+++ b/vm/nextcloud-vm.sh
@@ -138,14 +138,37 @@ function check_root() {
   fi
 }
 
-function pve_check() {
-  if ! pveversion | grep -Eq "pve-manager/8\.[1-4](\.[0-9]+)*"; then
-    msg_error "${CROSS}${RD}This version of Proxmox Virtual Environment is not supported"
-    echo -e "Requires Proxmox Virtual Environment Version 8.1 or later."
-    echo -e "Exiting..."
-    sleep 2
-    exit
+pve_check() {
+  local PVE_VER
+  PVE_VER="$(pveversion | awk -F'/' '{print $2}' | awk -F'-' '{print $1}')"
+
+  # Check for Proxmox VE 8.x
+  if [[ "$PVE_VER" =~ ^8\.([0-9]+) ]]; then
+    local MINOR="${BASH_REMATCH[1]}"
+    if ((MINOR < 1 || MINOR > 4)); then
+      msg_error "This version of Proxmox VE is not supported."
+      echo -e "Required: Proxmox VE version 8.1 – 8.4"
+      exit 1
+    fi
+    return 0
   fi
+
+  # Check for Proxmox VE 9.x (Beta) — require confirmation
+  if [[ "$PVE_VER" =~ ^9\.([0-9]+) ]]; then
+    if whiptail --title "Proxmox 9.x Detected (Beta)" \
+      --yesno "You are using Proxmox VE $PVE_VER, which is currently in Beta state.\n\nThis version is experimentally supported.\n\nDo you want to proceed anyway?" 12 70; then
+      msg_ok "Confirmed: Continuing with Proxmox VE $PVE_VER"
+      return 0
+    else
+      msg_error "Aborted by user: Proxmox VE 9.x was not confirmed."
+      exit 1
+    fi
+  fi
+
+  # All other unsupported versions
+  msg_error "This version of Proxmox VE is not supported."
+  echo -e "Supported versions: Proxmox VE 8.1 – 8.4 or 9.x (Beta, with confirmation)"
+  exit 1
 }
 
 function arch_check() {
diff --git a/vm/openwrt.sh b/vm/openwrt.sh
index 84660e19c..aad2fc08f 100644
--- a/vm/openwrt.sh
+++ b/vm/openwrt.sh
@@ -184,14 +184,37 @@ function msg_error() {
   echo -e "${BFR} ${CROSS} ${RD}${msg}${CL}"
 }
 
-function pve_check() {
-  if ! pveversion | grep -Eq "pve-manager/8\.[1-4](\.[0-9]+)*"; then
-    msg_error "This version of Proxmox Virtual Environment is not supported"
-    echo -e "Requires Proxmox Virtual Environment Version 8.1 or later."
-    echo -e "Exiting..."
-    sleep 2
-    exit
+pve_check() {
+  local PVE_VER
+  PVE_VER="$(pveversion | awk -F'/' '{print $2}' | awk -F'-' '{print $1}')"
+
+  # Check for Proxmox VE 8.x
+  if [[ "$PVE_VER" =~ ^8\.([0-9]+) ]]; then
+    local MINOR="${BASH_REMATCH[1]}"
+    if ((MINOR < 1 || MINOR > 4)); then
+      msg_error "This version of Proxmox VE is not supported."
+      echo -e "Required: Proxmox VE version 8.1 – 8.4"
+      exit 1
+    fi
+    return 0
   fi
+
+  # Check for Proxmox VE 9.x (Beta) — require confirmation
+  if [[ "$PVE_VER" =~ ^9\.([0-9]+) ]]; then
+    if whiptail --title "Proxmox 9.x Detected (Beta)" \
+      --yesno "You are using Proxmox VE $PVE_VER, which is currently in Beta state.\n\nThis version is experimentally supported.\n\nDo you want to proceed anyway?" 12 70; then
+      msg_ok "Confirmed: Continuing with Proxmox VE $PVE_VER"
+      return 0
+    else
+      msg_error "Aborted by user: Proxmox VE 9.x was not confirmed."
+      exit 1
+    fi
+  fi
+
+  # All other unsupported versions
+  msg_error "This version of Proxmox VE is not supported."
+  echo -e "Supported versions: Proxmox VE 8.1 – 8.4 or 9.x (Beta, with confirmation)"
+  exit 1
 }
 
 function arch_check() {
diff --git a/vm/opnsense-vm.sh b/vm/opnsense-vm.sh
index ff2c2aac7..57abada7f 100644
--- a/vm/opnsense-vm.sh
+++ b/vm/opnsense-vm.sh
@@ -180,14 +180,37 @@ function msg_error() {
   echo -e "${BFR} ${CROSS} ${RD}${msg}${CL}"
 }
 
-function pve_check() {
-  if ! pveversion | grep -Eq "pve-manager/8\.[1-4](\.[0-9]+)*"; then
-    msg_error "This version of Proxmox Virtual Environment is not supported"
-    echo -e "Requires Proxmox Virtual Environment Version 8.1 or later."
-    echo -e "Exiting..."
-    sleep 2
-    exit
+pve_check() {
+  local PVE_VER
+  PVE_VER="$(pveversion | awk -F'/' '{print $2}' | awk -F'-' '{print $1}')"
+
+  # Check for Proxmox VE 8.x
+  if [[ "$PVE_VER" =~ ^8\.([0-9]+) ]]; then
+    local MINOR="${BASH_REMATCH[1]}"
+    if ((MINOR < 1 || MINOR > 4)); then
+      msg_error "This version of Proxmox VE is not supported."
+      echo -e "Required: Proxmox VE version 8.1 – 8.4"
+      exit 1
+    fi
+    return 0
   fi
+
+  # Check for Proxmox VE 9.x (Beta) — require confirmation
+  if [[ "$PVE_VER" =~ ^9\.([0-9]+) ]]; then
+    if whiptail --title "Proxmox 9.x Detected (Beta)" \
+      --yesno "You are using Proxmox VE $PVE_VER, which is currently in Beta state.\n\nThis version is experimentally supported.\n\nDo you want to proceed anyway?" 12 70; then
+      msg_ok "Confirmed: Continuing with Proxmox VE $PVE_VER"
+      return 0
+    else
+      msg_error "Aborted by user: Proxmox VE 9.x was not confirmed."
+      exit 1
+    fi
+  fi
+
+  # All other unsupported versions
+  msg_error "This version of Proxmox VE is not supported."
+  echo -e "Supported versions: Proxmox VE 8.1 – 8.4 or 9.x (Beta, with confirmation)"
+  exit 1
 }
 
 function arch_check() {
diff --git a/vm/owncloud-vm.sh b/vm/owncloud-vm.sh
index 536ee3d82..689d7b23c 100644
--- a/vm/owncloud-vm.sh
+++ b/vm/owncloud-vm.sh
@@ -139,14 +139,37 @@ function check_root() {
   fi
 }
 
-function pve_check() {
-  if ! pveversion | grep -Eq "pve-manager/8\.[1-4](\.[0-9]+)*"; then
-    msg_error "${CROSS}${RD}This version of Proxmox Virtual Environment is not supported"
-    echo -e "Requires Proxmox Virtual Environment Version 8.1 or later."
-    echo -e "Exiting..."
-    sleep 2
-    exit
+pve_check() {
+  local PVE_VER
+  PVE_VER="$(pveversion | awk -F'/' '{print $2}' | awk -F'-' '{print $1}')"
+
+  # Check for Proxmox VE 8.x
+  if [[ "$PVE_VER" =~ ^8\.([0-9]+) ]]; then
+    local MINOR="${BASH_REMATCH[1]}"
+    if ((MINOR < 1 || MINOR > 4)); then
+      msg_error "This version of Proxmox VE is not supported."
+      echo -e "Required: Proxmox VE version 8.1 – 8.4"
+      exit 1
+    fi
+    return 0
   fi
+
+  # Check for Proxmox VE 9.x (Beta) — require confirmation
+  if [[ "$PVE_VER" =~ ^9\.([0-9]+) ]]; then
+    if whiptail --title "Proxmox 9.x Detected (Beta)" \
+      --yesno "You are using Proxmox VE $PVE_VER, which is currently in Beta state.\n\nThis version is experimentally supported.\n\nDo you want to proceed anyway?" 12 70; then
+      msg_ok "Confirmed: Continuing with Proxmox VE $PVE_VER"
+      return 0
+    else
+      msg_error "Aborted by user: Proxmox VE 9.x was not confirmed."
+      exit 1
+    fi
+  fi
+
+  # All other unsupported versions
+  msg_error "This version of Proxmox VE is not supported."
+  echo -e "Supported versions: Proxmox VE 8.1 – 8.4 or 9.x (Beta, with confirmation)"
+  exit 1
 }
 
 function arch_check() {
diff --git a/vm/pimox-haos-vm.sh b/vm/pimox-haos-vm.sh
index d941b97be..09852a80d 100644
--- a/vm/pimox-haos-vm.sh
+++ b/vm/pimox-haos-vm.sh
@@ -147,14 +147,37 @@ function check_root() {
   fi
 }
 
-function pve_check() {
-  if ! pveversion | grep -Eq "pve-manager/8\.[1-4](\.[0-9]+)*"; then
-    msg_error "${CROSS}${RD}This version of Proxmox Virtual Environment is not supported"
-    echo -e "Requires Proxmox Virtual Environment Version 8.1 or later."
-    echo -e "Exiting..."
-    sleep 2
-    exit
+pve_check() {
+  local PVE_VER
+  PVE_VER="$(pveversion | awk -F'/' '{print $2}' | awk -F'-' '{print $1}')"
+
+  # Check for Proxmox VE 8.x
+  if [[ "$PVE_VER" =~ ^8\.([0-9]+) ]]; then
+    local MINOR="${BASH_REMATCH[1]}"
+    if ((MINOR < 1 || MINOR > 4)); then
+      msg_error "This version of Proxmox VE is not supported."
+      echo -e "Required: Proxmox VE version 8.1 – 8.4"
+      exit 1
+    fi
+    return 0
   fi
+
+  # Check for Proxmox VE 9.x (Beta) — require confirmation
+  if [[ "$PVE_VER" =~ ^9\.([0-9]+) ]]; then
+    if whiptail --title "Proxmox 9.x Detected (Beta)" \
+      --yesno "You are using Proxmox VE $PVE_VER, which is currently in Beta state.\n\nThis version is experimentally supported.\n\nDo you want to proceed anyway?" 12 70; then
+      msg_ok "Confirmed: Continuing with Proxmox VE $PVE_VER"
+      return 0
+    else
+      msg_error "Aborted by user: Proxmox VE 9.x was not confirmed."
+      exit 1
+    fi
+  fi
+
+  # All other unsupported versions
+  msg_error "This version of Proxmox VE is not supported."
+  echo -e "Supported versions: Proxmox VE 8.1 – 8.4 or 9.x (Beta, with confirmation)"
+  exit 1
 }
 
 function arch_check() {
diff --git a/vm/ubuntu2204-vm.sh b/vm/ubuntu2204-vm.sh
index a662efb3c..7405ca070 100644
--- a/vm/ubuntu2204-vm.sh
+++ b/vm/ubuntu2204-vm.sh
@@ -134,14 +134,37 @@ function check_root() {
   fi
 }
 
-function pve_check() {
-  if ! pveversion | grep -Eq "pve-manager/8\.[1-4](\.[0-9]+)*"; then
-    msg_error "${CROSS}${RD}This version of Proxmox Virtual Environment is not supported"
-    echo -e "Requires Proxmox Virtual Environment Version 8.1 or later."
-    echo -e "Exiting..."
-    sleep 2
-    exit
+pve_check() {
+  local PVE_VER
+  PVE_VER="$(pveversion | awk -F'/' '{print $2}' | awk -F'-' '{print $1}')"
+
+  # Check for Proxmox VE 8.x
+  if [[ "$PVE_VER" =~ ^8\.([0-9]+) ]]; then
+    local MINOR="${BASH_REMATCH[1]}"
+    if ((MINOR < 1 || MINOR > 4)); then
+      msg_error "This version of Proxmox VE is not supported."
+      echo -e "Required: Proxmox VE version 8.1 – 8.4"
+      exit 1
+    fi
+    return 0
   fi
+
+  # Check for Proxmox VE 9.x (Beta) — require confirmation
+  if [[ "$PVE_VER" =~ ^9\.([0-9]+) ]]; then
+    if whiptail --title "Proxmox 9.x Detected (Beta)" \
+      --yesno "You are using Proxmox VE $PVE_VER, which is currently in Beta state.\n\nThis version is experimentally supported.\n\nDo you want to proceed anyway?" 12 70; then
+      msg_ok "Confirmed: Continuing with Proxmox VE $PVE_VER"
+      return 0
+    else
+      msg_error "Aborted by user: Proxmox VE 9.x was not confirmed."
+      exit 1
+    fi
+  fi
+
+  # All other unsupported versions
+  msg_error "This version of Proxmox VE is not supported."
+  echo -e "Supported versions: Proxmox VE 8.1 – 8.4 or 9.x (Beta, with confirmation)"
+  exit 1
 }
 
 function arch_check() {
diff --git a/vm/ubuntu2404-vm.sh b/vm/ubuntu2404-vm.sh
index 28f1f4e20..af4c4c81c 100644
--- a/vm/ubuntu2404-vm.sh
+++ b/vm/ubuntu2404-vm.sh
@@ -137,14 +137,37 @@ function check_root() {
   fi
 }
 
-function pve_check() {
-  if ! pveversion | grep -Eq "pve-manager/8\.[1-4](\.[0-9]+)*"; then
-    msg_error "${CROSS}${RD}This version of Proxmox Virtual Environment is not supported"
-    echo -e "Requires Proxmox Virtual Environment Version 8.1 or later."
-    echo -e "Exiting..."
-    sleep 2
-    exit
+pve_check() {
+  local PVE_VER
+  PVE_VER="$(pveversion | awk -F'/' '{print $2}' | awk -F'-' '{print $1}')"
+
+  # Check for Proxmox VE 8.x
+  if [[ "$PVE_VER" =~ ^8\.([0-9]+) ]]; then
+    local MINOR="${BASH_REMATCH[1]}"
+    if ((MINOR < 1 || MINOR > 4)); then
+      msg_error "This version of Proxmox VE is not supported."
+      echo -e "Required: Proxmox VE version 8.1 – 8.4"
+      exit 1
+    fi
+    return 0
   fi
+
+  # Check for Proxmox VE 9.x (Beta) — require confirmation
+  if [[ "$PVE_VER" =~ ^9\.([0-9]+) ]]; then
+    if whiptail --title "Proxmox 9.x Detected (Beta)" \
+      --yesno "You are using Proxmox VE $PVE_VER, which is currently in Beta state.\n\nThis version is experimentally supported.\n\nDo you want to proceed anyway?" 12 70; then
+      msg_ok "Confirmed: Continuing with Proxmox VE $PVE_VER"
+      return 0
+    else
+      msg_error "Aborted by user: Proxmox VE 9.x was not confirmed."
+      exit 1
+    fi
+  fi
+
+  # All other unsupported versions
+  msg_error "This version of Proxmox VE is not supported."
+  echo -e "Supported versions: Proxmox VE 8.1 – 8.4 or 9.x (Beta, with confirmation)"
+  exit 1
 }
 
 function arch_check() {
diff --git a/vm/ubuntu2410-vm.sh b/vm/ubuntu2410-vm.sh
index 1711430e8..21d76f8e9 100644
--- a/vm/ubuntu2410-vm.sh
+++ b/vm/ubuntu2410-vm.sh
@@ -136,14 +136,37 @@ function check_root() {
   fi
 }
 
-function pve_check() {
-  if ! pveversion | grep -Eq "pve-manager/8\.[1-4](\.[0-9]+)*"; then
-    msg_error "${CROSS}${RD}This version of Proxmox Virtual Environment is not supported"
-    echo -e "Requires Proxmox Virtual Environment Version 8.1 or later."
-    echo -e "Exiting..."
-    sleep 2
-    exit
+pve_check() {
+  local PVE_VER
+  PVE_VER="$(pveversion | awk -F'/' '{print $2}' | awk -F'-' '{print $1}')"
+
+  # Check for Proxmox VE 8.x
+  if [[ "$PVE_VER" =~ ^8\.([0-9]+) ]]; then
+    local MINOR="${BASH_REMATCH[1]}"
+    if ((MINOR < 1 || MINOR > 4)); then
+      msg_error "This version of Proxmox VE is not supported."
+      echo -e "Required: Proxmox VE version 8.1 – 8.4"
+      exit 1
+    fi
+    return 0
   fi
+
+  # Check for Proxmox VE 9.x (Beta) — require confirmation
+  if [[ "$PVE_VER" =~ ^9\.([0-9]+) ]]; then
+    if whiptail --title "Proxmox 9.x Detected (Beta)" \
+      --yesno "You are using Proxmox VE $PVE_VER, which is currently in Beta state.\n\nThis version is experimentally supported.\n\nDo you want to proceed anyway?" 12 70; then
+      msg_ok "Confirmed: Continuing with Proxmox VE $PVE_VER"
+      return 0
+    else
+      msg_error "Aborted by user: Proxmox VE 9.x was not confirmed."
+      exit 1
+    fi
+  fi
+
+  # All other unsupported versions
+  msg_error "This version of Proxmox VE is not supported."
+  echo -e "Supported versions: Proxmox VE 8.1 – 8.4 or 9.x (Beta, with confirmation)"
+  exit 1
 }
 
 function arch_check() {
diff --git a/vm/ubuntu2504-vm.sh b/vm/ubuntu2504-vm.sh
index 39e32d0ee..0e3355944 100644
--- a/vm/ubuntu2504-vm.sh
+++ b/vm/ubuntu2504-vm.sh
@@ -136,14 +136,37 @@ function check_root() {
   fi
 }
 
-function pve_check() {
-  if ! pveversion | grep -Eq "pve-manager/8\.[1-4](\.[0-9]+)*"; then
-    msg_error "${CROSS}${RD}This version of Proxmox Virtual Environment is not supported"
-    echo -e "Requires Proxmox Virtual Environment Version 8.1 or later."
-    echo -e "Exiting..."
-    sleep 2
-    exit
+pve_check() {
+  local PVE_VER
+  PVE_VER="$(pveversion | awk -F'/' '{print $2}' | awk -F'-' '{print $1}')"
+
+  # Check for Proxmox VE 8.x
+  if [[ "$PVE_VER" =~ ^8\.([0-9]+) ]]; then
+    local MINOR="${BASH_REMATCH[1]}"
+    if ((MINOR < 1 || MINOR > 4)); then
+      msg_error "This version of Proxmox VE is not supported."
+      echo -e "Required: Proxmox VE version 8.1 – 8.4"
+      exit 1
+    fi
+    return 0
   fi
+
+  # Check for Proxmox VE 9.x (Beta) — require confirmation
+  if [[ "$PVE_VER" =~ ^9\.([0-9]+) ]]; then
+    if whiptail --title "Proxmox 9.x Detected (Beta)" \
+      --yesno "You are using Proxmox VE $PVE_VER, which is currently in Beta state.\n\nThis version is experimentally supported.\n\nDo you want to proceed anyway?" 12 70; then
+      msg_ok "Confirmed: Continuing with Proxmox VE $PVE_VER"
+      return 0
+    else
+      msg_error "Aborted by user: Proxmox VE 9.x was not confirmed."
+      exit 1
+    fi
+  fi
+
+  # All other unsupported versions
+  msg_error "This version of Proxmox VE is not supported."
+  echo -e "Supported versions: Proxmox VE 8.1 – 8.4 or 9.x (Beta, with confirmation)"
+  exit 1
 }
 
 function arch_check() {
diff --git a/vm/umbrel-os-vm.sh b/vm/umbrel-os-vm.sh
index 38abfba57..2ba58dcf7 100644
--- a/vm/umbrel-os-vm.sh
+++ b/vm/umbrel-os-vm.sh
@@ -138,14 +138,37 @@ function check_root() {
   fi
 }
 
-function pve_check() {
-  if ! pveversion | grep -Eq "pve-manager/8\.[1-4](\.[0-9]+)*"; then
-    msg_error "${CROSS}${RD}This version of Proxmox Virtual Environment is not supported"
-    echo -e "Requires Proxmox Virtual Environment Version 8.1 or later."
-    echo -e "Exiting..."
-    sleep 2
-    exit
+pve_check() {
+  local PVE_VER
+  PVE_VER="$(pveversion | awk -F'/' '{print $2}' | awk -F'-' '{print $1}')"
+
+  # Check for Proxmox VE 8.x
+  if [[ "$PVE_VER" =~ ^8\.([0-9]+) ]]; then
+    local MINOR="${BASH_REMATCH[1]}"
+    if ((MINOR < 1 || MINOR > 4)); then
+      msg_error "This version of Proxmox VE is not supported."
+      echo -e "Required: Proxmox VE version 8.1 – 8.4"
+      exit 1
+    fi
+    return 0
   fi
+
+  # Check for Proxmox VE 9.x (Beta) — require confirmation
+  if [[ "$PVE_VER" =~ ^9\.([0-9]+) ]]; then
+    if whiptail --title "Proxmox 9.x Detected (Beta)" \
+      --yesno "You are using Proxmox VE $PVE_VER, which is currently in Beta state.\n\nThis version is experimentally supported.\n\nDo you want to proceed anyway?" 12 70; then
+      msg_ok "Confirmed: Continuing with Proxmox VE $PVE_VER"
+      return 0
+    else
+      msg_error "Aborted by user: Proxmox VE 9.x was not confirmed."
+      exit 1
+    fi
+  fi
+
+  # All other unsupported versions
+  msg_error "This version of Proxmox VE is not supported."
+  echo -e "Supported versions: Proxmox VE 8.1 – 8.4 or 9.x (Beta, with confirmation)"
+  exit 1
 }
 
 function arch_check() {