Various fixes

scripts/2.first_start_k8s.sh

@@ -21,7 +21,7 @@ checkup() {
     while :
     do
       pinfo "Checking availability of node $host..."
-      if true | ssh root@${hosts[$host]};
+      if true | sshcmd root@${hosts[$host]};
       then
         pinfo "VM $host is up!"
         break
@@ -39,7 +39,7 @@ checkup() {
 
 start_control_plane() {
   for host in ${!hosts[*]}; do
-    ssh root@${hosts[$host]} << EOF
+    sshcmd root@${hosts[$host]} << EOF
       if ls /etc/kubernetes/manifests.static/* &>/dev/null ; then
         mv /etc/kubernetes/manifests.static/* /var/lib/kubelet/manifests/
       fi