add configurable host CA inheritance for LXC bootstrap

Introduce host CA certificate propagation in the shared LXC build flow so containers can trust enterprise/private PKI roots during early package bootstrap. Add an advanced-install toggle with default auto behavior so unattended installs remain seamless while interactive users can explicitly opt out.

.github/workflows/close-invalid-pr-template.yml

@@ -0,0 +1,163 @@
+name: Close PRs Missing Template
+
+on:
+  pull_request_target:
+    branches: ["main"]
+    types: [opened, edited, reopened, synchronize, labeled]
+
+jobs:
+  validate-pr-template:
+    if: github.repository == 'community-scripts/ProxmoxVE'
+    runs-on: ubuntu-latest
+    permissions:
+      pull-requests: write
+      issues: write
+      contents: read
+    steps:
+      - name: Close PR if it does not follow the PR template
+        uses: actions/github-script@v7
+        with:
+          script: |
+            const pr = context.payload.pull_request;
+            const prNumber = pr.number;
+            const author = pr.user.login;
+            const owner = context.repo.owner;
+            const repo = context.repo.repo;
+
+            const allowedBots = [
+              "push-app-to-main[bot]",
+              "push-app-to-main",
+              "community-scripts-pr-app",
+              "github-actions[bot]",
+              "dependabot[bot]",
+            ];
+
+            if (allowedBots.includes(author) || author.endsWith("[bot]")) {
+              core.info(`PR #${prNumber} by bot "${author}" — skipping template validation.`);
+              return;
+            }
+
+            const association = pr.author_association;
+            const exemptAssociations = ["OWNER", "MEMBER", "COLLABORATOR"];
+            if (exemptAssociations.includes(association)) {
+              core.info(`PR #${prNumber} by ${association} "${author}" — skipping template validation.`);
+              return;
+            }
+
+            const labels = pr.labels.map((label) => label.name);
+            const skipLabels = ["automated pr", "keep open"];
+
+            if (skipLabels.some((label) => labels.includes(label))) {
+              core.info(`PR #${prNumber} has a skip label (${labels.join(", ")}) — skipping template validation.`);
+              return;
+            }
+
+            if (pr.draft) {
+              core.info(`PR #${prNumber} is a draft — skipping template validation.`);
+              return;
+            }
+
+            const body = pr.body || "";
+            const failures = [];
+
+            const requiredSections = [
+              "## ✍️ Description",
+              "## ✅ Prerequisites",
+              "## 🛠️ Type of Change",
+            ];
+
+            for (const section of requiredSections) {
+              if (!body.includes(section)) {
+                failures.push(`Missing required section: \`${section}\``);
+              }
+            }
+
+            const descriptionMatch = body.match(
+              /## ✍️ Description\s*\n+([\s\S]*?)(?=\n## )/i
+            );
+            const description = (descriptionMatch?.[1] || "").trim();
+            if (!description) {
+              failures.push("The **Description** section is empty.");
+            }
+
+            const prerequisiteCheckboxes = [
+              "**Self-review completed**",
+              "**Tested thoroughly**",
+              "**No security risks**",
+            ];
+
+            for (const checkbox of prerequisiteCheckboxes) {
+              const escaped = checkbox.replace(/([.*+?^=!:${}()|[\]\/\\])/g, "\\$1");
+              const regex = new RegExp(`- \\[(x|X)\\]\\s*${escaped}`, "i");
+              if (!regex.test(body)) {
+                failures.push(`Prerequisite not checked: ${checkbox}`);
+              }
+            }
+
+            const typeOfChangeCheckboxes = [
+              "🐞 **Bug fix**",
+              "✨ **New feature**",
+              "💥 **Breaking change**",
+              "🆕 **New script**",
+              "🌍 **Website update**",
+              "🔧 **Refactoring / Code Cleanup**",
+              "📝 **Documentation update**",
+            ];
+
+            const hasTypeChecked = typeOfChangeCheckboxes.some((checkbox) => {
+              const escaped = checkbox.replace(/([.*+?^=!:${}()|[\]\/\\])/g, "\\$1");
+              const regex = new RegExp(`- \\[(x|X)\\]\\s*${escaped}`, "i");
+              return regex.test(body);
+            });
+
+            if (!hasTypeChecked) {
+              failures.push("At least one **Type of Change** checkbox must be checked.");
+            }
+
+            if (failures.length === 0) {
+              core.info(`PR #${prNumber} follows the PR template.`);
+              return;
+            }
+
+            core.info(`Closing PR #${prNumber} — template validation failed.`);
+
+            const templateUrl =
+              "https://github.com/community-scripts/ProxmoxVE/blob/main/.github/pull_request_template.md";
+            const failureList = failures.map((item) => `- ${item}`).join("\n");
+
+            const comment = [
+              `👋 Hi @${author},`,
+              ``,
+              `This pull request was closed because it does not follow the [PR template](${templateUrl}).`,
+              ``,
+              `Please fix the following and open a new PR (or reopen this one after updating the description):`,
+              ``,
+              failureList,
+              ``,
+              `> Use the template sections, fill in the description, check all prerequisite boxes, and select at least one type of change.`,
+              ``,
+              `Maintainers can add the \`keep open\` label to exempt a PR from this check.`,
+              ``,
+              `Thank you for contributing! 🙏`,
+            ].join("\n");
+
+            await github.rest.issues.createComment({
+              owner,
+              repo,
+              issue_number: prNumber,
+              body: comment,
+            });
+
+            await github.rest.pulls.update({
+              owner,
+              repo,
+              pull_number: prNumber,
+              state: "closed",
+            });
+
+            await github.rest.issues.addLabels({
+              owner,
+              repo,
+              issue_number: prNumber,
+              labels: ["missing pr template"],
+            });

CHANGELOG.md

@@ -502,6 +502,20 @@ Exercise vigilance regarding copycat or coat-tailing sites that seek to exploit
 
 </details>
 
+## 2026-07-17
+
+### 🚀 Updated Scripts
+
+  - #### ✨ New Features
+
+    - Pin Opencloud to v7.3.0 [@vhsdream](https://github.com/vhsdream) ([#15826](https://github.com/community-scripts/ProxmoxVE/pull/15826))
+
+### 🧰 Tools
+
+  - #### ✨ New Features
+
+    - update-lxc: autoremove and autoclean after apt full-upgrade [@soupy-boy](https://github.com/soupy-boy) ([#15831](https://github.com/community-scripts/ProxmoxVE/pull/15831))
+
 ## 2026-07-16
 
 ### 🆕 New Scripts

ct/opencloud.sh

@@ -30,7 +30,7 @@ function update_script() {
     exit
   fi
 
-  RELEASE="v7.2.2"
+  RELEASE="v7.3.0"
   if check_for_gh_release "OpenCloud" "opencloud-eu/opencloud" "${RELEASE}" "each release is tested individually before the version is updated. Please do not open issues for this"; then
     msg_info "Stopping services"
     systemctl stop opencloud opencloud-wopi

install/opencloud-install.sh

@@ -64,7 +64,7 @@ $STD sudo -u cool coolconfig set-admin-password --user=admin --password="$COOLPA
 echo "$COOLPASS" >~/.coolpass
 msg_ok "Installed Collabora Online"
 
-fetch_and_deploy_gh_release "OpenCloud" "opencloud-eu/opencloud" "singlefile" "v7.2.2" "/usr/bin" "opencloud-*-linux-$(arch_resolve)"
+fetch_and_deploy_gh_release "OpenCloud" "opencloud-eu/opencloud" "singlefile" "v7.3.0" "/usr/bin" "opencloud-*-linux-$(arch_resolve)"
 mv /usr/bin/OpenCloud /usr/bin/opencloud
 
 msg_info "Configuring OpenCloud"

misc/build.func

@@ -1009,6 +1009,7 @@ base_settings() {
 
   APT_CACHER=${var_apt_cacher:-""}
   APT_CACHER_IP=${var_apt_cacher_ip:-""}
+  INHERIT_HOST_CA="${var_inherit_host_ca:-auto}"
 
   # Runtime check: Verify APT cacher is reachable if configured
   if [[ -n "$APT_CACHER_IP" && "$APT_CACHER" == "yes" ]]; then
@@ -1088,7 +1089,7 @@ load_vars_file() {
 
   # Allowed var_* keys
   local VAR_WHITELIST=(
-    var_apt_cacher var_apt_cacher_ip var_brg var_cpu var_disk var_fuse var_github_token var_gpu var_http_no_proxy var_http_proxy var_keyctl
+    var_apt_cacher var_apt_cacher_ip var_brg var_cpu var_disk var_fuse var_github_token var_gpu var_http_no_proxy var_http_proxy var_inherit_host_ca var_keyctl
     var_gateway var_hostname var_ipv6_method var_mac var_mknod var_mount_fs var_mtu
     var_net var_nesting var_ns var_os var_protection var_pw var_ram var_tags var_timezone var_tun var_unprivileged
     var_verbose var_version var_vlan var_ssh var_ssh_authorized_key var_container_storage var_template_storage var_searchdomain
@@ -1285,6 +1286,12 @@ load_vars_file() {
             continue
           fi
           ;;
+        var_inherit_host_ca)
+          if [[ "$var_val" != "yes" && "$var_val" != "no" && "$var_val" != "auto" ]]; then
+            msg_warn "Invalid host CA inheritance value '$var_val' in $file (must be yes/no/auto), ignoring"
+            continue
+          fi
+          ;;
         var_container_storage | var_template_storage)
           # Validate that the storage exists and is active on the current node
           local _storage_status
@@ -1324,7 +1331,7 @@ default_var_settings() {
   # Allowed var_* keys (alphabetically sorted)
   # Note: Removed var_ctid (can only exist once), var_ipv6_static (static IPs are unique)
   local VAR_WHITELIST=(
-    var_apt_cacher var_apt_cacher_ip var_brg var_cpu var_disk var_fuse var_github_token var_gpu var_http_no_proxy var_http_proxy var_keyctl
+    var_apt_cacher var_apt_cacher_ip var_brg var_cpu var_disk var_fuse var_github_token var_gpu var_http_no_proxy var_http_proxy var_inherit_host_ca var_keyctl
     var_gateway var_hostname var_ipv6_method var_mac var_mknod var_mount_fs var_mtu
     var_net var_nesting var_ns var_os var_protection var_pw var_ram var_tags var_timezone var_tun var_unprivileged
     var_verbose var_version var_vlan var_ssh var_ssh_authorized_key var_container_storage var_template_storage
@@ -1407,6 +1414,7 @@ var_ssh=no
 # HTTP/HTTPS proxy (optional - for networks requiring a proxy)
 # var_http_proxy=http://proxy.local:8080
 # var_http_no_proxy=localhost,127.0.0.1,.local
+# var_inherit_host_ca=auto
 
 # Features/Tags/verbosity
 var_fuse=no
@@ -1507,7 +1515,7 @@ get_app_defaults_path() {
 if ! declare -p VAR_WHITELIST >/dev/null 2>&1; then
   # Note: Removed var_ctid (can only exist once), var_ipv6_static (static IPs are unique)
   declare -ag VAR_WHITELIST=(
-    var_apt_cacher var_apt_cacher_ip var_brg var_cpu var_disk var_fuse var_github_token var_gpu var_http_no_proxy var_http_proxy var_keyctl
+    var_apt_cacher var_apt_cacher_ip var_brg var_cpu var_disk var_fuse var_github_token var_gpu var_http_no_proxy var_http_proxy var_inherit_host_ca var_keyctl
     var_gateway var_hostname var_ipv6_method var_mac var_mknod var_mount_fs var_mtu
     var_net var_nesting var_ns var_os var_protection var_pw var_ram var_tags var_timezone var_tun var_unprivileged
     var_verbose var_version var_vlan var_ssh var_ssh_authorized_key var_container_storage var_template_storage var_searchdomain
@@ -1657,6 +1665,7 @@ _build_current_app_vars_tmp() {
   _apt_cacher_ip="${APT_CACHER_IP:-}"
   _http_proxy="${HTTP_PROXY:-${var_http_proxy:-}}"
   _http_no_proxy="${HTTP_NO_PROXY:-${var_http_no_proxy:-}}"
+  _inherit_host_ca="${INHERIT_HOST_CA:-${var_inherit_host_ca:-auto}}"
   _fuse="${ENABLE_FUSE:-no}"
   _tun="${ENABLE_TUN:-no}"
   _gpu="${ENABLE_GPU:-no}"
@@ -1710,6 +1719,7 @@ _build_current_app_vars_tmp() {
     [ -n "$_apt_cacher_ip" ] && echo "var_apt_cacher_ip=$(_sanitize_value "$_apt_cacher_ip")"
     [ -n "$_http_proxy" ] && echo "var_http_proxy=$(_sanitize_value "$_http_proxy")"
     [ -n "$_http_no_proxy" ] && echo "var_http_no_proxy=$(_sanitize_value "$_http_no_proxy")"
+    [ -n "$_inherit_host_ca" ] && echo "var_inherit_host_ca=$(_sanitize_value "$_inherit_host_ca")"
 
     [ -n "$_fuse" ] && echo "var_fuse=$(_sanitize_value "$_fuse")"
     [ -n "$_tun" ] && echo "var_tun=$(_sanitize_value "$_tun")"
@@ -1874,7 +1884,7 @@ advanced_settings() {
     TAGS="community-script${var_tags:+;${var_tags}}"
   fi
   local STEP=1
-  local MAX_STEP=30
+  local MAX_STEP=31
 
   # Store values for back navigation - inherit from var_* app defaults
   local _ct_type="${var_unprivileged:-1}"
@@ -1896,6 +1906,7 @@ advanced_settings() {
   local _apt_cacher_ip="${var_apt_cacher_ip:-}"
   local _http_proxy="${var_http_proxy:-}"
   local _http_no_proxy="${var_http_no_proxy:-}"
+  local _inherit_host_ca="${var_inherit_host_ca:-auto}"
   local _mtu="${var_mtu:-}"
   local _sd="${var_searchdomain:-}"
   local _ns="${var_ns:-}"
@@ -2725,9 +2736,47 @@ advanced_settings() {
       ;;
 
     # ═══════════════════════════════════════════════════════════════════════════
-    # STEP 25: Container Timezone
+    # STEP 25: Host CA Inheritance
     # ═══════════════════════════════════════════════════════════════════════════
     25)
+      local host_ca_count=0
+      local host_ca_dir="/usr/local/share/ca-certificates"
+      local cert
+      shopt -s nullglob
+      for cert in "$host_ca_dir"/*.crt; do
+        host_ca_count=$((host_ca_count + 1))
+      done
+      shopt -u nullglob
+
+      if [[ $host_ca_count -eq 0 ]]; then
+        _inherit_host_ca="auto"
+        ((STEP++))
+        continue
+      fi
+
+      local host_ca_default_flag=""
+      [[ "$_inherit_host_ca" == "no" ]] && host_ca_default_flag="--defaultno"
+      if whiptail --backtitle "Proxmox VE Helper Scripts [Step $STEP/$MAX_STEP]" \
+        --title "HOST CA INHERITANCE" \
+        --ok-button "Next" --cancel-button "Back" \
+        $host_ca_default_flag \
+        --yesno "\nInherit host CA certificates into this container?\n\nDetected on host: ${host_ca_count} certificate(s) in:\n${host_ca_dir}\n\nRecommended for private PKI / TLS-inspection environments.\n\n(App default: ${var_inherit_host_ca:-auto})" 16 72; then
+        _inherit_host_ca="yes"
+      else
+        if [ $? -eq 1 ]; then
+          _inherit_host_ca="no"
+        else
+          ((STEP--))
+          continue
+        fi
+      fi
+      ((STEP++))
+      ;;
+
+    # ═══════════════════════════════════════════════════════════════════════════
+    # STEP 26: Container Timezone
+    # ═══════════════════════════════════════════════════════════════════════════
+    26)
       local tz_hint="$_ct_timezone"
       [[ -z "$tz_hint" ]] && tz_hint="(empty - will use host timezone)"
 
@@ -2750,9 +2799,9 @@ advanced_settings() {
       ;;
 
     # ═══════════════════════════════════════════════════════════════════════════
-    # STEP 26: Container Protection
+    # STEP 27: Container Protection
     # ═══════════════════════════════════════════════════════════════════════════
-    26)
+    27)
       local protect_default_flag="--defaultno"
       [[ "$_protect_ct" == "yes" || "$_protect_ct" == "1" ]] && protect_default_flag=""
 
@@ -2904,6 +2953,7 @@ Leave empty to skip."
       local apt_display="${_apt_cacher:-no}"
       [[ "$_apt_cacher" == "yes" && -n "$_apt_cacher_ip" ]] && apt_display="$_apt_cacher_ip"
       local http_proxy_display="${_http_proxy:-(none)}"
+      local inherit_ca_display="${_inherit_host_ca:-auto}"
 
       local post_install_display="${_post_install:-(none)}"
       local post_install_warn=""
@@ -2934,6 +2984,7 @@ Advanced:
   Timezone: $tz_display
   APT Cacher: $apt_display
   HTTP Proxy: $http_proxy_display
+  Inherit Host CAs: $inherit_ca_display
   Verbose: $_verbose
   Post-Install Script: ${post_install_display}${post_install_warn}"
 
@@ -2979,6 +3030,7 @@ Advanced:
   APT_CACHER_IP="$_apt_cacher_ip"
   HTTP_PROXY="$_http_proxy"
   HTTP_NO_PROXY="$_http_no_proxy"
+  INHERIT_HOST_CA="$_inherit_host_ca"
   VERBOSE="$_verbose"
   var_post_install="$_post_install"
 
@@ -2997,6 +3049,7 @@ Advanced:
   var_sdn_vnet="$_sdn_vnet"
   var_http_proxy="$_http_proxy"
   var_http_no_proxy="$_http_no_proxy"
+  var_inherit_host_ca="$_inherit_host_ca"
 
   # Format optional values
   [[ -n "$_mtu" ]] && MTU=",mtu=$_mtu" || MTU=""
@@ -3753,19 +3806,18 @@ run_addon_updates() {
 }
 
 runtime_script_status_guard() {
-  local mode="${1:-}"
   local script_slug="${SCRIPT_SLUG:-${NSAPP:-}}"
   script_slug="$(echo "$script_slug" | tr '[:upper:]' '[:lower:]' | tr ' ' '-')"
   [[ -z "$script_slug" ]] && return 0
 
-  local api_url="https://db.community-scripts.org/api/collections/script_scripts/records?filter=(slug='${script_slug}')&perPage=1&fields=slug,is_disabled,is_deleted,disable_message,deleted_message,pinned_version,pin_reason"
+  local api_url="https://db.community-scripts.org/api/collections/script_scripts/records?filter=(slug='${script_slug}')&perPage=1&fields=slug,is_disabled,is_deleted,disable_message,deleted_message"
   local response
   if ! response=$(curl -fsSL --connect-timeout 2 --max-time 3 "$api_url" 2>/dev/null); then
     msg_warn "Script status check is unavailable. Continuing without status verification."
     return 0
   fi
 
-  local is_deleted is_disabled deleted_message disable_message pinned_version pin_reason info_url
+  local is_deleted is_disabled deleted_message disable_message info_url
   if printf '%s' "$response" | grep -qE '"items":[[:space:]]*\[[[:space:]]*\]'; then
     return 0
   fi
@@ -3775,8 +3827,6 @@ runtime_script_status_guard() {
   is_disabled=$(printf '%s' "$response" | sed -n 's/.*"is_disabled"[[:space:]]*:[[:space:]]*\(true\|false\).*/\1/p' | head -1)
   deleted_message=$(printf '%s' "$response" | sed -n 's/.*"deleted_message"[[:space:]]*:[[:space:]]*"\([^"]*\)".*/\1/p' | head -1)
   disable_message=$(printf '%s' "$response" | sed -n 's/.*"disable_message"[[:space:]]*:[[:space:]]*"\([^"]*\)".*/\1/p' | head -1)
-  pinned_version=$(printf '%s' "$response" | sed -n 's/.*"pinned_version"[[:space:]]*:[[:space:]]*"\([^"]*\)".*/\1/p' | head -1)
-  pin_reason=$(printf '%s' "$response" | sed -n 's/.*"pin_reason"[[:space:]]*:[[:space:]]*"\([^"]*\)".*/\1/p' | head -1)
   is_deleted=${is_deleted:-false}
   is_disabled=${is_disabled:-false}
   info_url="https://community-scripts.org/scripts/${script_slug}"
@@ -3808,26 +3858,6 @@ runtime_script_status_guard() {
     return 1
   fi
 
-  if [[ "$mode" == "update" && -n "$pinned_version" && -n "${NSAPP:-}" ]]; then
-    local current_file="$HOME/.${NSAPP}"
-    if [[ -f "$current_file" ]]; then
-      local installed pinned_clean installed_clean
-      installed="$(<"$current_file")"
-      pinned_clean="$pinned_version"
-      installed_clean="$installed"
-      [[ "$pinned_clean" =~ ^v[0-9] ]] && pinned_clean="${pinned_clean:1}"
-      [[ "$installed_clean" =~ ^v[0-9] ]] && installed_clean="${installed_clean:1}"
-      if [[ "$installed_clean" == "$pinned_clean" ]]; then
-        if [[ -n "$pin_reason" ]]; then
-          msg_info "You are already on the pinned version (${pinned_version}). ${pin_reason}"
-        else
-          msg_info "You are already on the pinned version (${pinned_version}). No newer update is offered intentionally — please do not open an issue unless you see an actual error."
-        fi
-        msg_info "More info: ${info_url}"
-      fi
-    fi
-  fi
-
   return 0
 }
 
@@ -3843,7 +3873,7 @@ runtime_script_status_guard() {
 start() {
   source <(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc/tools.func)
   if command -v pveversion >/dev/null 2>&1; then
-    runtime_script_status_guard install || return 0
+    runtime_script_status_guard || return 0
     install_script || return 0
     return 0
   elif [ ! -z ${PHS_SILENT+x} ] && [[ "${PHS_SILENT}" == "1" ]]; then
@@ -3851,7 +3881,7 @@ start() {
     set_std_mode
     ensure_profile_loaded
     get_lxc_ip
-    runtime_script_status_guard update || return 0
+    runtime_script_status_guard || return 0
     update_script
     run_addon_updates
     update_motd_ip
@@ -3862,7 +3892,7 @@ start() {
     set_std_mode
     ensure_profile_loaded
     get_lxc_ip
-    runtime_script_status_guard update || return 0
+    runtime_script_status_guard || return 0
     update_script
     run_addon_updates
     update_motd_ip
@@ -3892,7 +3922,7 @@ start() {
     esac
     ensure_profile_loaded
     get_lxc_ip
-    runtime_script_status_guard update || return 0
+    runtime_script_status_guard || return 0
     update_script
     run_addon_updates
     update_motd_ip
@@ -3945,6 +3975,81 @@ EOF
   msg_ok "Applied HTTP proxy in container"
 }
 
+# ------------------------------------------------------------------------------
+# _apply_host_ca_certs_in_container()
+#
+# - Copies administrator-provided CA certificates from the Proxmox host into the
+#   container before base package bootstrap
+# - Source: /usr/local/share/ca-certificates/*.crt (Debian convention)
+# - Refreshes the container trust store when update-ca-certificates is available
+# - No-op when no host certificates are present; failures are non-fatal
+# ------------------------------------------------------------------------------
+_apply_host_ca_certs_in_container() {
+  local host_ca_dir="/usr/local/share/ca-certificates"
+  [[ -z "${CTID:-}" ]] && return 0
+  local inherit_host_ca="${INHERIT_HOST_CA:-${var_inherit_host_ca:-auto}}"
+
+  local -a host_certs=()
+  local cert
+  shopt -s nullglob
+  for cert in "$host_ca_dir"/*.crt; do
+    host_certs+=("$cert")
+  done
+  shopt -u nullglob
+
+  [[ ${#host_certs[@]} -eq 0 ]] && return 0
+
+  case "${inherit_host_ca,,}" in
+  no | false | 0 | off)
+    msg_info "Skipping host CA inheritance by configuration"
+    return 0
+    ;;
+  esac
+
+  msg_info "Inheriting host CA certificates into container"
+
+  local found=${#host_certs[@]}
+  local copied=0
+  local skipped=0
+  local cert_name
+
+  pct exec "$CTID" -- mkdir -p /usr/local/share/ca-certificates >/dev/null 2>&1 || {
+    msg_warn "Failed to create CA certificate directory in container"
+    return 0
+  }
+
+  for cert in "${host_certs[@]}"; do
+    cert_name="$(basename "$cert")"
+    if [[ ! -r "$cert" || "$cert_name" != *.crt ]]; then
+      msg_warn "Skipping invalid or unreadable host CA certificate: ${cert_name}"
+      skipped=$((skipped + 1))
+      continue
+    fi
+
+    if pct push "$CTID" "$cert" "/usr/local/share/ca-certificates/${cert_name}" >/dev/null 2>&1; then
+      pct exec "$CTID" -- chmod 644 "/usr/local/share/ca-certificates/${cert_name}" >/dev/null 2>&1 || true
+      copied=$((copied + 1))
+    else
+      msg_warn "Failed to push host CA certificate: ${cert_name}"
+      skipped=$((skipped + 1))
+    fi
+  done
+
+  if [[ $copied -eq 0 ]]; then
+    msg_warn "No host CA certificates were copied (${found} found, ${skipped} skipped)"
+    return 0
+  fi
+
+  local refresh_shell="bash"
+  [[ "$var_os" == "alpine" ]] && refresh_shell="ash"
+
+  if pct exec "$CTID" -- "$refresh_shell" -c 'command -v update-ca-certificates >/dev/null 2>&1 && update-ca-certificates' >/dev/null 2>&1; then
+    msg_ok "Inherited ${copied} host CA certificate(s) and updated trust store (${skipped} skipped)"
+  else
+    msg_warn "Copied ${copied} host CA certificate(s), but trust store update failed or update-ca-certificates is unavailable (${skipped} skipped)"
+  fi
+}
+
 # ------------------------------------------------------------------------------
 # build_container()
 #
@@ -4565,6 +4670,7 @@ EOF
   local install_exit_code=0
 
   _apply_http_proxy_in_container
+  _apply_host_ca_certs_in_container
 
   # Continue with standard container setup
   if [ "$var_os" == "alpine" ]; then

tools/pve/update-lxcs.sh

@@ -78,7 +78,7 @@ function update_container() {
   alpine) pct exec "$container" -- ash -c "apk -U upgrade" ;;
   archlinux) pct exec "$container" -- bash -c "pacman -Syyu --noconfirm" ;;
   fedora | rocky | centos | alma) pct exec "$container" -- bash -c "dnf -y update && dnf -y upgrade" ;;
-  ubuntu | debian | devuan) pct exec "$container" -- bash -c "apt-get update 2>/dev/null | grep 'packages.*upgraded'; apt list --upgradable 2>/dev/null | cat && apt-get -yq dist-upgrade 2>&1; rm -rf /usr/lib/python3.*/EXTERNALLY-MANAGED || true" ;;
+  ubuntu | debian | devuan) pct exec "$container" -- bash -c "apt-get update 2>/dev/null | grep 'packages.*upgraded'; apt list --upgradable 2>/dev/null | cat && apt-get -yq dist-upgrade 2>&1; apt-get -yq autoremove 2>&1; apt-get -yq autoclean 2>&1; rm -rf /usr/lib/python3.*/EXTERNALLY-MANAGED || true" ;;
   opensuse) pct exec "$container" -- bash -c "zypper ref && zypper --non-interactive dup" ;;
   esac
 }