diff --git a/gns3server/ubridge/hypervisor.py b/gns3server/ubridge/hypervisor.py
index 35a951ba..5d0d0582 100644
--- a/gns3server/ubridge/hypervisor.py
+++ b/gns3server/ubridge/hypervisor.py
@@ -253,5 +253,5 @@ class Hypervisor(UBridgeHypervisor):
         command = [self._path]
         command.extend(["-H", "{}:{}".format(self._host, self._port)])
         if log.getEffectiveLevel() == logging.DEBUG:
-            command.extend(["-d", "2"])
+            command.extend(["-d", "1"])
         return command
diff --git a/scripts/remote-install.sh b/scripts/remote-install.sh
index 00580d4a..6937141e 100644
--- a/scripts/remote-install.sh
+++ b/scripts/remote-install.sh
@@ -146,7 +146,7 @@ deb-src http://archive.ubuntu.com/ubuntu/ ${UBUNTU_CODENAME}-updates main univer
 EOFLIST2
 fi
 
-apt-key adv --keyserver keyserver.ubuntu.com --recv-keys A2E3EF7B
+apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys A2E3EF7B
 
 log "Update system packages"
 apt-get update