increased waiting time in start_jupyter_nb.sh

setup_eth_euler/to_deploy_on_course_computers/start_jupyter_nb.sh

@@ -98,7 +98,7 @@ ENDBSUB
 # once the file exists and is not empty, the notebook has been startet and is listening
 ssh -i id_rsa $USERNAME@$CHOSTNAME "while ! [ -e /cluster/home/$USERNAME/jnbinfo -a -s /cluster/home/$USERNAME/jnbinfo ]; do echo 'Waiting for jupyter notebook to start, sleep for 10 sec'; sleep 10; done"
 
-sleep 1
+sleep 2
 # get remote ip, port and token from files stored on Euler/Leonhard Open
 echo -e "Receiving ip, port and token from jupyter notebook"
 remoteip=$(ssh -i id_rsa $USERNAME@$CHOSTNAME "cat /cluster/home/$USERNAME/jnbip | grep -m1 'Remote IP' | cut -d ':' -f 2")