diff --git a/roles/base/tasks/RedHat.yml b/roles/base/tasks/RedHat.yml
index 4afdae1..6445406 100644
--- a/roles/base/tasks/RedHat.yml
+++ b/roles/base/tasks/RedHat.yml
@@ -57,6 +57,7 @@
     - mailx          # send mail from cmd
     - nc             # netcat
     - net-tools      # ifconfig etc
+    - psmisc         # pstree for debugging
     - rsync          # rsync
     - strace         # debugging
     - sysstat        # sa, sar