diff --git a/roles/oracle-db-preinstall/tasks/rlwrap.yml b/roles/oracle-db-preinstall/tasks/rlwrap.yml
index 3dba481..1f56c86 100644
--- a/roles/oracle-db-preinstall/tasks/rlwrap.yml
+++ b/roles/oracle-db-preinstall/tasks/rlwrap.yml
@@ -1,19 +1,28 @@
 ---
   # ---------------------------------------------------
-  # installation de l'utilitaire rlwrap pour oracle
+  # installation de packages supplémentaires rlwrap et htop
   # ---------------------------------------------------
 
   # ajout du repository epel si non présent
   - name: YUM - installation du paquet oracle-epel-release
     yum:  name="oracle-epel-release-el{{ ansible_distribution_major_version }}" state=latest disable_gpg_check=yes
     tags: install_epel
+    when: ansible_distribution_major_version == '9'
 
   # installation rlwrap depuis le repo epel
   - name: YUM - installation de rlwrap
-    yum:  name=rlwrap state=latest disable_gpg_check=yes
-    tags: rlwrap
+    yum:  name={{ item }} state=latest disable_gpg_check=yes
+    with_items:
+      - rlwrap
+      - htop
+      - nmap
+      - strace
+      - tcpdump
+      - lsof
+    when: ansible_distribution_major_version == '9'
 
   # suppression du repo epel car il n'est plus necessaire
   - name: YUM - désinstallation du paquet oracle-epel-release
     yum:  name="oracle-epel-release-el{{ ansible_distribution_major_version }}" state=absent disable_gpg_check=yes
     tags: install_epel
+    when: ansible_distribution_major_version == '9'