updated path to command

tasks/main.yml

diff --git a/tasks/main.yml b/tasks/main.yml
index f65b159..a93204b 100644
--- a/tasks/main.yml
+++ b/tasks/main.yml
@@ -2,7 +2,6 @@
 # tasks file for apigee-opdk-setup-os
 
 - name: Configure AWS AMI OS package manager repositories for Apigee
-  ignore_errors: yes
   shell: "/usr/bin/yum-config-manager --enable rhui-REGION-rhel-server-extras rhui-REGION-rhel-server-optional"
   when: ansible_bios_version | lower | search('amazon') and ansible_os_family | lower == 'redhat' and ansible_distribution_major_version | version_compare('6', '>')
 
@@ -13,7 +12,7 @@
 
 - name: Yum clean
   become: yes
-  shell: yum clean all
+  shell: /usr/bin/yum clean all
 
 - name: Do not use proxy definitions
   include: with_no_proxy.yml