diff --git a/app/ceph.py b/app/ceph.py
index 19c6a2f..a921db6 100644
--- a/app/ceph.py
+++ b/app/ceph.py
@@ -11,6 +11,14 @@ def ceph():
 @click.option("--ceph_url", required=True)
 @click.option("--ssh_username", required=True)
 def setup(ceph_url, ssh_username):
+    ssh_key = ""
+    with open("~/.ssh/id_rsa.pub") as pubkey:
+        ssh_key = pubkey.read()
+    
+    with open("~/.ssh/known_hosts", "a") as known_hosts:
+        known_hosts.write(f"{ceph_url} {ssh_key}")
+
     os.makedirs("/etc/ceph", exist_ok=True)
     command = f"sftp -b ./ceph_batch_cmd {ssh_username}@{ceph_url}:/etc/ceph"
-    subprocess.check_output(command.split())
\ No newline at end of file
+    subprocess.check_output(command.split())
+    
\ No newline at end of file
diff --git a/get_ceph_config.sh b/get_ceph_config.sh
deleted file mode 100644
index 3be46fc..0000000
--- a/get_ceph_config.sh
+++ /dev/null
@@ -1,8 +0,0 @@
-if [ $# -lt 2 ]; then
-    echo "arg1: username of ceph host (ssh) e.g root"
-    echo "arg2: url/ip of ceph host e.g ceph-test.llnu.ungleich.cloud"
-    exit 1
-fi
-
-mkdir -p /etc/ceph
-sftp -b ./ceph_batch_cmd $1@$2:/etc/ceph
\ No newline at end of file