diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 92eedcf..b6c407f 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -15,8 +15,8 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        # 3.12: Ubuntu 24.04 nodes; 3.13: Debian 13 (no crypt/spwd modules).
-        python: ["3.11", "3.12", "3.13"]
+        # 3.12: Ubuntu 24.04, 3.13: Debian 13, 3.14: Ubuntu 26.04 (no crypt/spwd modules).
+        python: ["3.11", "3.12", "3.13", "3.14"]
     steps:
       - uses: actions/checkout@v4
       - uses: actions/setup-python@v5
diff --git a/image/build-iso.sh b/image/build-iso.sh
index c468727..62266ce 100755
--- a/image/build-iso.sh
+++ b/image/build-iso.sh
@@ -3,7 +3,7 @@ set -euo pipefail
 
 # ==========================================================
 # Virtuality ISO builder
-# Remasters the official Ubuntu Server 24.04 live ISO into a
+# Remasters the official Ubuntu Server LTS live ISO (26.04 by default) into a
 # Virtuality installer: Ubuntu autoinstall + bundled Virtuality
 # source and Python wheels + first boot setup service.
 #
@@ -16,7 +16,7 @@ REPO_ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
 IMAGE_DIR="${REPO_ROOT}/image"
 
 ARCH="amd64"
-UBUNTU_SERIES="24.04"
+UBUNTU_SERIES="26.04"
 UBUNTU_ISO=""
 CACHE_DIR="${VIRTUALITY_ISO_CACHE:-${REPO_ROOT}/.cache/iso}"
 OUTPUT_DIR="${REPO_ROOT}/dist"
@@ -32,7 +32,7 @@ LOCALE="en_US.UTF-8"
 KEYBOARD="us"
 TIMEZONE="Etc/UTC"
 WITH_WHEELS="1"
-TARGET_PYTHON="3.12"
+TARGET_PYTHON=""
 
 usage() {
   cat <<EOF
@@ -40,7 +40,8 @@ Usage: $(basename "$0") [options]
 
 Options:
   --arch amd64|arm64         Target architecture (default: ${ARCH})
-  --ubuntu-iso PATH          Use a local Ubuntu ${UBUNTU_SERIES} live-server ISO instead of downloading
+  --ubuntu 26.04|24.04       Ubuntu Server LTS release to base on (default: ${UBUNTU_SERIES})
+  --ubuntu-iso PATH          Use a local Ubuntu live-server ISO of that release instead of downloading
   --cache-dir DIR            Where downloaded Ubuntu ISOs are kept (default: ${CACHE_DIR})
   --output DIR               Output directory (default: ${OUTPUT_DIR})
   --ref GIT_REF              Git ref of Virtuality to bundle (default: ${GIT_REF})
@@ -69,6 +70,7 @@ say() { echo "==> $*"; }
 while [[ $# -gt 0 ]]; do
   case "$1" in
     --arch) ARCH="$2"; shift 2 ;;
+    --ubuntu) UBUNTU_SERIES="$2"; shift 2 ;;
     --ubuntu-iso) UBUNTU_ISO="$2"; shift 2 ;;
     --cache-dir) CACHE_DIR="$2"; shift 2 ;;
     --output) OUTPUT_DIR="$2"; shift 2 ;;
@@ -89,6 +91,13 @@ while [[ $# -gt 0 ]]; do
   esac
 done
 
+# Python of the target release decides which wheels are bundled.
+case "$UBUNTU_SERIES" in
+  26.04) TARGET_PYTHON="3.14" ;;
+  24.04) TARGET_PYTHON="3.12" ;;
+  *) die "unsupported --ubuntu ${UBUNTU_SERIES} (26.04 or 24.04)" ;;
+esac
+
 case "$ARCH" in
   amd64) PY_PLATFORM_ARCH="x86_64"; MIRROR="https://releases.ubuntu.com/${UBUNTU_SERIES}" ;;
   arm64) PY_PLATFORM_ARCH="aarch64"; MIRROR="https://cdimage.ubuntu.com/releases/${UBUNTU_SERIES}/release" ;;
diff --git a/install_virtuality_node.sh b/install_virtuality_node.sh
index 2eb5c59..0da8ff7 100644
--- a/install_virtuality_node.sh
+++ b/install_virtuality_node.sh
@@ -92,6 +92,22 @@ run_logged() {
   fi
 }
 
+# Installs the packages this distribution has; package names differ between
+# Ubuntu 24.04/26.04 and Debian 13 (e.g. qemu-kvm became a virtual package).
+install_available() {
+  local description="$1"
+  shift
+  local pkg available=()
+  for pkg in "$@"; do
+    if apt-cache show "$pkg" >/dev/null 2>&1; then
+      available+=("$pkg")
+    else
+      warn "Пакет ${pkg} недоступен в этом дистрибутиве, пропускаю"
+    fi
+  done
+  run_logged "$description" apt install -y "${available[@]}"
+}
+
 service_state() { systemctl is-active "$1" 2>/dev/null || echo "inactive"; }
 service_enabled() { systemctl is-enabled "$1" 2>/dev/null || echo "disabled"; }
 free_mb_for_path() { local path="$1"; mkdir -p "$path" 2>/dev/null || true; df -Pm "$path" | awk 'NR==2 {print $4}'; }
@@ -153,17 +169,21 @@ step "Обновляем apt cache"
 run_logged "apt update выполнен" apt update
 
 step "Устанавливаем базовые утилиты и зависимости диагностики"
-run_logged "Базовые пакеты и диагностические утилиты установлены" apt install -y \
+install_available "Базовые пакеты и диагностические утилиты установлены" \
   curl wget git nano htop btop tree ncdu jq unzip xz-utils tar gzip ca-certificates gnupg lsb-release \
-  software-properties-common apt-transport-https ufw rsync iproute2 iptables nftables dnsutils net-tools openssh-client
+  software-properties-common apt-transport-https ufw rsync iproute2 iptables nftables bind9-dnsutils net-tools openssh-client
 
 step "Устанавливаем KVM/QEMU/libvirt"
-run_logged "Пакеты виртуализации установлены" apt install -y \
-  qemu-kvm qemu-utils libvirt-daemon-system libvirt-clients virtinst \
-  bridge-utils dnsmasq-base ovmf swtpm cloud-image-utils
+case "$(uname -m)" in
+  aarch64|arm64) QEMU_SYSTEM_PACKAGES=(qemu-system-arm qemu-efi-aarch64) ;;
+  *) QEMU_SYSTEM_PACKAGES=(qemu-system-x86 ovmf) ;;
+esac
+install_available "Пакеты виртуализации установлены" \
+  "${QEMU_SYSTEM_PACKAGES[@]}" qemu-utils libvirt-daemon-system libvirt-clients virtinst \
+  bridge-utils dnsmasq-base swtpm cloud-image-utils
 
 step "Устанавливаем Cockpit и модули"
-run_logged "Cockpit установлен" apt install -y \
+install_available "Cockpit установлен" \
   cockpit cockpit-machines cockpit-networkmanager cockpit-storaged cockpit-packagekit
 
 step "Создаём структуру Virtuality"