first-fix

packaging/java/scripts/control/rpm/preinst

@@ -0,0 +1,6 @@
+#!/bin/sh
+
+getent group ${pkg.user} >/dev/null || groupadd -r ${pkg.user}
+getent passwd ${pkg.user} >/dev/null || \
+useradd -d ${pkg.installFolder} -g ${pkg.user} -M -r ${pkg.user} -s /sbin/nologin \
+-c "Thingsboard application"