diff --git a/workshop/testslurm.sh b/workshop/testslurm.sh
index c56a35b72fbf9a5399051b632c84c3e6345f83a7..851f7d03011c06e2c8cfbc0cd02edb1a263c3272 100755
--- a/workshop/testslurm.sh
+++ b/workshop/testslurm.sh
@@ -12,5 +12,6 @@
 echo $HOSTNAME
 #/scratch/k/k204210/temp/ngc4008_P1D_3.parq
 source activate /work/bm0021/conda-envs/cloudify
+openssl req -x509 -newkey rsa:4096 -keyout key.pem -out cert.pem -sha256 -days 3650 -nodes -subj "/C=XX/ST=Hamburg/L=Hamburg/O=Test/OU=Test/CN=$HOSTNAME"
 python xpublish_references.py "$@"