diff --git a/ServerUbuntu.md b/ServerUbuntu.md
index 2ced4f3..138d483 100644
--- a/ServerUbuntu.md
+++ b/ServerUbuntu.md
@@ -37,4 +37,17 @@
 1. Nastavit autostart (pokud není)
     ```shell
     sudo systemctl enable qemu-guest-agent
+    ```
+## DNS
+Zatím nevím, proč nefunguje korektně. Nastavím `/etc/resolv.conf` ručně.  
+bylo: `resolv.conf -> ../run/systemd/resolve/stub-resolv.conf`
+    ```shell
+    sudo -i
+    rm -f /etc/resolv.conf
+    cat > /etc/resolv.conf << EOF
+    nameserver 192.168.88.101
+    nameserver 192.168.88.1
+    domain habad.eu
+    search habad.eu
+    EOF
     ```
\ No newline at end of file