diff --git a/Modulefile b/Modulefile
index 53c07c4..199c8ff 100644
--- a/Modulefile
+++ b/Modulefile
@@ -1,5 +1,5 @@
 name 'duosecurity-duo_unix'
-version '0.3.1'
+version '0.3.2'
 source 'git://github.com/duosecurity/puppet-duo_unix'
 author 'Duo Security'
 license 'GPLv2'
diff --git a/manifests/generic.pp b/manifests/generic.pp
index 73072a6..162ca6e 100644
--- a/manifests/generic.pp
+++ b/manifests/generic.pp
@@ -29,5 +29,4 @@
       enable => true;
     }
   }
-
 }
diff --git a/manifests/init.pp b/manifests/init.pp
index 0d21b5e..e687f0b 100644
--- a/manifests/init.pp
+++ b/manifests/init.pp
@@ -21,51 +21,23 @@
   $accept_env_factor = 'no',
   $manage_ssh = true,
   $pam_unix_control = 'requisite',
+  $pam_primary_module = 'pam_unix.so',
   $package_version = 'installed',
 ) {
   if $ikey == '' or $skey == '' or $host == '' {
     fail('ikey, skey, and host must all be defined.')
   }
-
-  if $usage != 'login' and $usage != 'pam' {
-    fail('You must configure a usage of duo_unix, either login or pam.')
-  }
-
-  case $::osfamily {
-    'RedHat': {
+  case $::operatingsystem {
+    'Amazon': {
       $duo_package = 'duo_unix'
       $ssh_service = 'sshd'
-      $gpg_file    = '/etc/pki/rpm-gpg/RPM-GPG-KEY-DUO'
-
-      $pam_file = $::operatingsystemrelease ? {
-        /^5/ => '/etc/pam.d/system-auth',
-        /^(6|7|2014)/ => '/etc/pam.d/password-auth'
-      }
-
-      $pam_module  = $::architecture ? {
-        i386   => '/lib/security/pam_duo.so',
-        i686   => '/lib/security/pam_duo.so',
-        x86_64 => '/lib64/security/pam_duo.so'
-      }
+      $gpg_file = '/etc/pki/rpm-gpg/RPM-GPG-KEY-DUO'
+      $pam_file = '/etc/pam.d/password-auth'
+      $pam_module = '/lib64/security/pam_duo.so'
 
       include duo_unix::yum
       include duo_unix::generic
     }
-    'Debian': {
-      $duo_package = 'duo-unix'
-      $ssh_service = 'ssh'
-      $gpg_file    = '/etc/apt/DEB-GPG-KEY-DUO'
-      $pam_file    = '/etc/pam.d/common-auth'
-
-      $pam_module  = $::architecture ? {
-        i386  => '/lib/security/pam_duo.so',
-        i686  => '/lib/security/pam_duo.so',
-        amd64 => '/lib64/security/pam_duo.so'
-      }
-
-      include duo_unix::apt
-      include duo_unix::generic
-    }
     default: {
       fail("Module ${module_name} does not support ${::operatingsystem}")
     }
@@ -73,7 +45,9 @@
 
   if $usage == 'login' {
     include duo_unix::login
-  } else {
+  } elsif $usage == 'pam' {
     include duo_unix::pam
+  } else {
+    fail('You must configure a usage of duo_unix, either login or pam.')
   }
 }
diff --git a/manifests/login.pp b/manifests/login.pp
index 2c458d9..6047274 100644
--- a/manifests/login.pp
+++ b/manifests/login.pp
@@ -28,5 +28,4 @@
       notify  => Service[$duo_unix::ssh_service];
     }
   }
-
 }
diff --git a/manifests/pam.pp b/manifests/pam.pp
index e93feaa..d574d33 100644
--- a/manifests/pam.pp
+++ b/manifests/pam.pp
@@ -34,8 +34,8 @@
   if $::osfamily == 'RedHat' {
     augeas { 'PAM Configuration':
       changes => [
-        "set ${aug_pam_path}/2/control ${duo_unix::pam_unix_control}",
-        "ins 100 after ${aug_pam_path}/2",
+        "set ${aug_pam_path}/*[type = 'auth'][module = '${duo_unix::pam_primary_module}'][last()]/control ${duo_unix::pam_unix_control}",
+        "ins 100 after ${aug_pam_path}/*[type = 'auth'][module = '${duo_unix::pam_primary_module}']",
         "set ${aug_pam_path}/100/type auth",
         "set ${aug_pam_path}/100/control sufficient",
         "set ${aug_pam_path}/100/module ${duo_unix::pam_module}"
@@ -57,5 +57,4 @@
       onlyif  => "match ${aug_match} size == 0";
     }
   }
-
 }
diff --git a/manifests/yum.pp b/manifests/yum.pp
index 2e53bd7..b65481c 100644
--- a/manifests/yum.pp
+++ b/manifests/yum.pp
@@ -8,23 +8,9 @@
 #
 class duo_unix::yum {
   $repo_uri = 'http://pkg.duosecurity.com'
-  $package_state = $::duo_unix::package_version
-
-  # Map Amazon Linux to RedHat equivalent releases
-  # Map RedHat 5 to CentOS 5 equivalent releases
-  if $::operatingsystem == 'Amazon' {
-    $releasever = $::operatingsystemmajrelease ? {
-      '2014'  => '6Server',
-      default => undef,
-    }
-    $os = $::operatingsystem
-  } elsif ( $::operatingsystem == 'RedHat' and $::operatingsystemmajrelease == 5 ) {
-    $os = 'CentOS'
-    $releasever = '$releasever'
-  } else {
-    $os = $::operatingsystem
-    $releasever = '$releasever'
-  }
+  $version = $::duo_unix::package_version
+  $releasever = '6Server'
+  $os = 'RedHat'
 
   yumrepo { 'duosecurity':
     descr    => 'Duo Security Repository',
@@ -40,8 +26,8 @@
     }
   }
 
-  package {  $duo_unix::duo_package:
-    ensure  => $package_state,
+  package { $duo_unix::duo_package:
+    ensure  => $version,
     require => [ Yumrepo['duosecurity'], Exec['Duo Security GPG Import'] ];
   }
 
@@ -49,6 +35,4 @@
     command => '/bin/rpm --import /etc/pki/rpm-gpg/RPM-GPG-KEY-DUO',
     unless  => '/bin/rpm -qi gpg-pubkey | grep Duo > /dev/null 2>&1'
   }
-
 }
-