diff --git a/manifests/main/install.pp b/manifests/main/install.pp
new file mode 100644
index 0000000..7ddb1d3
--- /dev/null
+++ b/manifests/main/install.pp
@@ -0,0 +1,12 @@
+## resources_cd::main::install.pp
+# Module name: resources_cd
+# Author: Arne Teuke (arne_teuke@confdroid.com)
+# @summary Class install required packages for the resources_cd module.
+##############################################################################
+class resources_cd::main::install (
+
+) inherits resources_cd::params {
+  package { $reqpackages:
+    ensure => $pkg_ensure,
+  }
+}
diff --git a/manifests/params.pp b/manifests/params.pp
index 4ece0b9..1c94628 100644
--- a/manifests/params.pp
+++ b/manifests/params.pp
@@ -2,9 +2,16 @@
 # Module name: resources_cd
 # Author: Arne Teuke (arne_teuke@confdroid.com)
 # @summary Class contains all parameters for the resources_cd module.
+# @param [string] reqpackages which packages to install
+# @param [string] pkg_ensure version to install, 'present', 'latest', 'v1.0'
 ##############################################################################
 class resources_cd::params (
 
+  String $reqpackages = $facts['os']['name'] ? {
+    'Rocky'   => ['yum', 'yum-utils'],
+  },
+  String $pkg_ensure  = 'present',
+
 ) {
   # includes must be last
   include resources_cd::main::config