diff --git a/backup/copy_keys_over.sh b/backup/copy_keys_over.sh
new file mode 100644
index 0000000..63e6034
--- /dev/null
+++ b/backup/copy_keys_over.sh
@@ -0,0 +1 @@
+scp backup.pub overleaf@backup.zfn.uni-bremen.de:~/.ssh/authorized_keys