diff --git a/README.md b/README.md
index 775062d..b085209 100644
--- a/README.md
+++ b/README.md
@@ -59,12 +59,6 @@ The OS versions are:
 
 For all operating systems we generate images for
 
-- centos7.json will build:
-  - VirtualBox (user: packer/changeme1234)
-
-- aws-centos7-base.json will build:
-  - AMI for AWS (user: centos/centos)
-
 - sibboleth-appliance.json will build:
   - VirtualBox (user: centos/centos)
 
@@ -72,12 +66,8 @@ This template only is tested against 64 bit systems. With the following sizing r
 ```
   "profile": "xfs",
   "disk_size": "20000",
-  "memory": "6122",
-  "cpus": "2",
-```
-
-```
-  "disk_size": 81920
+  "memory": "2048",
+  "cpus": "1",
 ```
 
 ## Post Processors
@@ -88,9 +78,19 @@ The final VM appliance formats will be uploaded into AWS infrastructure. The two
 - Compressed Vagrant format
 - Imported AWS AMI
 
+## Updating CentOS release
+
+When CentOS distributes a new Minimal ISO build to mirrors, the ISO checksum will fail.
+
+To update the repo, download the file in question, and perform this command on it:
+
+`shasum -a 256 CentOS-7-x86_64-Minimal-1611.iso`
+
+You can then update the JSON config with the output.
+
 
 # License
 
-TBD
+Apache2
 
 
diff --git a/bin/perms.sh b/bin/perms.sh
index 2ca38b6..c9ab1ab 100755
--- a/bin/perms.sh
+++ b/bin/perms.sh
@@ -1,6 +1,7 @@
 #!/bin/bash
 
 aws_acct_id="823003027569"
+aws_acct_id_plus="886593122405"
 bucket="internet2-tier-appliance-us-west-1"
 
 ova_key=$(aws s3api list-objects --bucket $bucket --query 'reverse(sort_by(Contents[?contains(Key, `ova`)], &LastModified))[0].[Key]' --output text | tr -d '\n' )
@@ -13,9 +14,11 @@ echo "(https://s3-us-west-1.amazonaws.com/$bucket/$ova_key)"
 echo $(md5sum builds/$ova_key)
 
 ami_id=$(aws ec2 describe-images --owners $aws_acct_id --query 'reverse(sort_by(Images[?starts_with(Name, `import-ami`)], &CreationDate))[0].[ImageId]' --output text | tr -d '\n' )
-echo "Publishing $ami_id to $aws_acct_id"
+echo "Publishing $ami_id to all accounts"
 
 ami_image_description=$(aws ec2 describe-images --image-ids $ami_id --query 'Images[0].{Description:Tags[0].Value}')
 echo $ami_image_description
 
-aws ec2 modify-image-attribute --image-id $ami_id --launch-permission "{\"Add\":[{\"UserId\":\"$aws_acct_id\"}]}"
\ No newline at end of file
+aws ec2 modify-image-attribute --image-id $ami_id --launch-permission "{\"Add\":[{\"UserId\":\"$aws_acct_id\"}]}"
+aws ec2 modify-image-attribute --image-id $ami_id --launch-permission "{\"Add\":[{\"UserId\":\"$aws_acct_id_plus\"}]}"
+
diff --git a/shibboleth-appliance-aws.json b/shibboleth-appliance-aws.json
deleted file mode 100644
index 8851f07..0000000
--- a/shibboleth-appliance-aws.json
+++ /dev/null
@@ -1,29 +0,0 @@
-{
-  "min_packer_version": "0.8.6",
-  "description": "Shibboleth appliance ",
-  "variables": {
-      "region": "us-west-1",
-      "timestamper": "{{timestamp}}"
-  },
-  "provisioners": [
-    {
-      "type": "ansible",
-      "playbook_file": "ansible-playbooks/shibboleth-appliance-vbox.yml",
-      "sftp_command": "/usr/libexec/sftp-server -e",
-      "ansible_env_vars": [ "ANSIBLE_HOST_KEY_CHECKING=False" ],
-      "user": "centos"
-    }
-  ],
-  "builders": [
-    {
-      "type": "amazon-ebs",
-      "access_key": "AKIAJGTQSCEQTDCIUU6A",
-      "secret_key": "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",
-      "region": "us-west-1",
-      "source_ami": "ami-af4333cf",
-      "instance_type": "t2.large",
-      "ssh_username": "centos",
-      "ami_name": "shibboleth-idp {{timestamp}}"
-    }
-  ]
-}
diff --git a/shibboleth-appliance.json b/shibboleth-appliance.json
index 68e1afe..66240dd 100644
--- a/shibboleth-appliance.json
+++ b/shibboleth-appliance.json
@@ -44,8 +44,8 @@
             ["modifyvm", "{{.Name}}", "--cpus", "{{user `cpus`}}"],
             ["modifyvm", "{{.Name}}", "--ostype", "{{user `guest_os_type`}}"]
         ],
-        "iso_url": "http://mirror.vcu.edu/pub/gnu+linux/centos/7/isos/x86_64/CentOS-7-x86_64-Minimal-1511.iso",
-        "iso_checksum": "f90e4d28fa377669b2db16cbcb451fcb9a89d2460e3645993e30e137ac37d284",
+        "iso_url": "http://mirrors.mit.edu/centos/7/isos/x86_64/CentOS-7-x86_64-Minimal-1611.iso",
+        "iso_checksum": "27bd866242ee058b7a5754e83d8ee8403e216b93d130d800852a96f41c34d86a",
         "iso_checksum_type": "sha256",
         "http_directory": "http",
         "boot_command": ["<tab> text ks=http://{{.HTTPIP}}:{{.HTTPPort}}/ks-{{user `profile`}}.cfg<enter><wait>"],