🐛 fix: DNS — použitie len prvého DNS pre pct create, zvyšok cez resolv.conf

pct create akceptuje len jeden -nameserver parameter bez úvodzoviek.
Prvý DNS sa nastaví cez pct, všetky DNS sa nastavia vnútri kontajnera
priamo do /etc/resolv.conf.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

ct/ubuntu.sh

@@ -284,7 +284,10 @@ simple_install() {
     NET="dhcp"
     GATE=""
   fi
-  NS="-nameserver=${_dns}"
+  # Proxmox pct: viac DNS oddelených medzerou — použijeme len prvý
+  local _first_dns
+  _first_dns=$(echo "$_dns" | awk '{print $1}')
+  NS="-nameserver=${_first_dns}"
   DISK_SIZE="$_disk"
   RAM_SIZE="$_ram"
   CORE_COUNT="$_cpu"
@@ -294,6 +297,7 @@ simple_install() {
   export SELECTED_USERS
   export USERS_JSON="$users_json"
   export CLAUDE_SETUP_URL
+  export CUSTOM_DNS="$_dns"
 
   # --- Nastavenie premenných pre build_container ---
   CT_TYPE="$var_unprivileged"

install/ubuntu-install.sh

@@ -10,6 +10,19 @@ setting_up_container
 network_check
 update_os
 
+# =============================================================================
+# DNS konfigurácia
+# =============================================================================
+if [[ -n "${CUSTOM_DNS:-}" ]]; then
+  msg_info "Nastavujem DNS: ${CUSTOM_DNS}"
+  # Zapíš všetky DNS servery do resolv.conf
+  : > /etc/resolv.conf
+  for dns in $CUSTOM_DNS; do
+    echo "nameserver $dns" >> /etc/resolv.conf
+  done
+  msg_ok "DNS nastavené"
+fi
+
 # =============================================================================
 # Inštalácia balíčkov
 # =============================================================================