fixup! fixup! Try to see if xrootd will run as a different user

Author: vicentebolea

scripts/ci/gh-actions/linux-setup.sh

@@ -19,3 +19,6 @@ find "$local_scripts_dir" -type f -name '*.sh' -perm /a=x -exec ./{} \;
 find "$local_scripts_dir" -type f -name '*.cmake' -exec cmake --trace -VV -P {} \;
 
 echo "**********Install dependencies End**********"
+
+useradd user
+echo -e "placeholder\nplaceholder" | passwd user

testing/adios2/engine/bp/start_xrootd.sh

@@ -1,6 +1,9 @@
 #!/bin/sh
+
+set -x
+
 if [ "$(id -u)" -eq 0 ]; then
-    # UID 1 means daemon in any ubuntu distro
-    ROOT_ARGS="-R 1"
+    ROOT_ARGS="-R user"
 fi
+
 "$1" -b -l /tmp/xroot.log "$ROOT_ARGS" -w "$2" -c "$2"/xroot/etc/xrootd/xrootd-ssi.cfg