diff --git a/deployment/03-lsf-master.yaml b/deployment/03-lsf-master.yaml
index d5b9da3..4eddb13 100644
--- a/deployment/03-lsf-master.yaml
+++ b/deployment/03-lsf-master.yaml
@@ -9,45 +9,50 @@ Description: |
 Mappings:
   RegionMap:
     us-east-1:  
-      CentOS75: ami-9887c6e7
-      FPGADev15: ami-0a71d776cea7922c1
-      ALinux2: ami-035be7bafff33b6b6o
-      RHEL76Graviton: ami-0e3688b4a755ad736
+      #CentOS7: ami-043984dedb185b864 #CentOS Linux 7-prod-eukkzvj25vgkc
+      RHEL7: ami-0c76662758dc1db64 #RHEL-7.9_HVM-20240930-x86_64-0-Hourly2-GP3
+      ALinux2: ami-0ac664bd64e1dcc6b # amzn2-ami-hvm-2.0.20241217.0-x86_64-gp2
+      RHEL8Graviton: ami-03c35673bd29a0491 #RHEL-8.10.0_HVM-20241210-arm64-1622-Hourly2-GP3
     us-east-2:  
-      CentOS75: ami-0f2b4fc905b0bd1f1
-      FPGADev15: ami-0d3e8847d15d9ad72
-      ALinux2: ami-04328208f4f0cf1fe
-      RHEL76Graviton: ami-0302c1ecc74930ba5
+      #CentOS7: ami-03619007682d0cd71 #CentOS Linux 7-prod-eukkzvj25vgkc
+      RHEL7: ami-02827739a7f5841d3 #RHEL-7.9_HVM-20240930-x86_64-0-Hourly2-GP3
+      ALinux2:  ami-05175b461d18d94d9 # amzn2-ami-hvm-2.0.20241217.0-x86_64-gp2
+      RHEL8Graviton: ami-03c0afd0004ca62be #RHEL-8.10.0_HVM-20241210-arm64-1622-Hourly2-GP3
     us-west-1:
-      CentOS75: ami-074e2d6769f445be5
-      FPGADev15: ami-06fd3aab7a08e942d
-      ALinux2: ami-0799ad445b5727125
+      #CentOS7: ami-028c66c6fcd906b90 #CentOS Linux 7-prod-eukkzvj25vgkc
+      RHEL7 : ami-000f409b704b55cf4 #RHEL-7.9_HVM-20240930-x86_64-0-Hourly2-GP3
+      ALinux2: ami-0853d0de3297e47e0 # amzn2-ami-hvm-2.0.20241217.0-x86_64-gp2
+      RHEL8Graviton: ami-05635de0534eccde5 #RHEL-8.10.0_HVM-20241210-arm64-1622-Hourly2-GP3
     us-west-2:
-      CentOS75: ami-3ecc8f46
-      FPGADev15: ami-068ef4610de0dfb70
-      ALinux2: ami-032509850cf9ee54e
-      RHEL76Graviton: ami-0e00026dd0f3688e2
+      #CentOS7: ami-0f510d22242ca183f #CentOS Linux 7-prod-eukkzvj25vgkc
+      RHEL7: ami-0b43febdef0c3d1c3 #RHEL-7.9_HVM-20240930-x86_64-0-Hourly2-GP3
+      ALinux2: ami-06c7fbd87fa7b507c # amzn2-ami-hvm-2.0.20241217.0-x86_64-gp2
+      RHEL8Graviton: ami-094dbeb0b4beeecfa #RHEL-8.10.0_HVM-20241210-arm64-1622-Hourly2-GP3
     eu-west-1:           # Dublin
-      CentOS75: ami-3548444c
-      FPGADev15: ami-0521b6e4d86dad1f1
-      ALinux2: ami-0fad7378adf284ce0
-      RHEL76Graviton: ami-0b5171a7b859ff1b4
+      #CentOS7: ami-0dd3fd68601b3de7f #CentOS Linux 7-prod-eukkzvj25vgkc
+      RHEL7: ami-00d8c24eeb5fbfd8c #RHEL-7.9_HVM-20240930-x86_64-0-Hourly2-GP3
+      ALinux2: ami-0fc56b47fc1f238ee # amzn2-ami-hvm-2.0.20241217.0-x86_64-gp2
+      RHEL8Graviton: ami-0863b2d3611e5acaf #RHEL-8.10.0_HVM-20241210-arm64-1622-Hourly2-GP3
     ap-southeast-1:      # Singapore
-      CentOS75: ami-8e0205f2
-      FPGADev15: ami-0c4b3ff18b42e34a8
-      ALinux2: ami-04677bdaa3c2b6e24
+      #CentOS7: ami-0d130eab12d1ea78a #CentOS Linux 7-prod-eukkzvj25vgkc
+      RHEL7: ami-000f0ee2950b75cd5 #RHEL-7.9_HVM-20240930-x86_64-0-Hourly2-GP3
+      ALinux2: ami-047d5a3391704b8b2 # amzn2-ami-hvm-2.0.20241217.0-x86_64-gp2
+      RHEL8Graviton: ami-0d8e10634fd2cc82c #RHEL-8.10.0_HVM-20241210-arm64-1622-Hourly2-GP3
     ap-southeast-2:      # Sydney
-      CentOS75: ami-d8c21dba
-      FPGADev15: ami-000e49a33676e256a
-      ALinux2: ami-0c9d48b5db609ad6e
+      #CentOS7: ami-075e6c9f6f3ac3804 #CentOS Linux 7-prod-eukkzvj25vgkc
+      RHEL7: ami-090e5f68ce5a80ae4 #RHEL-7.9_HVM-20240930-x86_64-0-Hourly2-GP3
+      ALinux2: ami-0c372b59cfa8c3d65 # amzn2-ami-hvm-2.0.20241217.0-x86_64-gp2
+      RHEL8Graviton: ami-00ef1ac63f85f6d35 #RHEL-8.10.0_HVM-20241210-arm64-1622-Hourly2-GP3
     ap-northeast-2:      # Seoul
-      CentOS75: ami-06cf2a72dadf92410
-      FPGADev15: ami-0bbca7ce2aa871d41
-      ALinux2: ami-018a9a930060d38aa
+      #CentOS7: ami-00609ecc32132c692 #CentOS Linux 7-prod-eukkzvj25vgkc
+      RHEL7: ami-00a8dd1293ad66f06 #RHEL-7.9_HVM-20240930-x86_64-0-Hourly2-GP3
+      ALinux2: ami-07a2318163330ee84 # amzn2-ami-hvm-2.0.20241217.0-x86_64-gp2
+      RHEL8Graviton: ami-0be1f4444522e087d #RHEL-8.10.0_HVM-20241210-arm64-1622-Hourly2-GP3
     ap-northeast-1:      # Tokyo
-      CentOS75: ami-045f38c93733dd48d
-      FPGADev15: ami-0f741966c7ef2c378
-      ALinux2: ami-0d7ed3ddb85b521a6
+      #CentOS7: ami-0d2241a860961c70e #CentOS Linux 7-prod-eukkzvj25vgkc
+      RHEL7: ami-029993f94b02017d3 #RHEL-7.9_HVM-20240930-x86_64-0-Hourly2-GP3
+      ALinux2: ami-0dbca050974482176 # amzn2-ami-hvm-2.0.20241217.0-x86_64-gp2
+      RHEL8Graviton: ami-04dbe9d488cc45455 #RHEL-8.10.0_HVM-20241210-arm64-1622-Hourly2-GP3
 
 Parameters:
   AdminKeyPair:
@@ -66,22 +71,23 @@ Parameters:
     Default: "ALinux2"
     AllowedValues:
       - ALinux2
-      - CentOS75
+      #- CentOS7
+      - RHEL7
   ComputeAMI:
     Description: AMI (OS image) for the compute nodes.  
       NOTE - You must first subscribe to this AMI in the AWS Marketplace at https://aws.amazon.com/marketplace/pp/B00O7WM7QW"
     Type: "String"
-    Default: "CentOS75"
+    Default: "RHEL7"
     AllowedValues:
-      - CentOS75
-      - FPGADev15
-      - RHEL76Graviton
+      #- CentOS7
+      - RHEL7
+      - RHEL8Graviton
   GravitonAMI:
     Description: AMI (OS image) for the graviton compute nodes.  
     Type: "String"
-    Default: "RHEL76Graviton"
+    Default: "RHEL8Graviton"
     AllowedValues:
-      - RHEL76Graviton
+      - RHEL8Graviton
   LSFClusterName:
     Description: "The name of the LSF cluster."
     Type: "String"
@@ -238,17 +244,17 @@ Resources:
               yum install -y bc
 
               # Install cfn-signal helper script to signal bootstrap completion to CloudFormation
-              if [[ $OSAMI == "CentOS75" ]]; then
-                yum install epel-release -y
-                yum install -y install python-pip
-                pip install pystache
-                pip install argparse
-                pip install requests
-                yum install -y https://s3.amazonaws.com/cloudformation-examples/aws-cfn-bootstrap-latest.amzn1.noarch.rpm
-                ln -s /usr/local/lib/python2.7/site-packages/cfnbootstrap /usr/lib/python2.7/site-packages/cfnbootstrap
-              else
+              # if [[ $OSAMI == "CentOS7" ]]; then
+              #   yum install epel-release -y
+              #   yum install -y install python-pip
+              #   pip install pystache
+              #   pip install argparse
+              #   pip install requests
+              #   yum install -y https://s3.amazonaws.com/cloudformation-examples/aws-cfn-bootstrap-latest.amzn1.noarch.rpm
+              #   ln -s /usr/local/lib/python2.7/site-packages/cfnbootstrap /usr/lib/python2.7/site-packages/cfnbootstrap
+              # else
                 yum update -y aws-cfn-bootstrap
-              fi
+              # fi
 
               # Install LSF installer prereqs
               yum install ed -q -y
diff --git a/deployment/04-login-server-dcv.yaml b/deployment/04-login-server-dcv.yaml
index 7a77bbb..90a31e0 100644
--- a/deployment/04-login-server-dcv.yaml
+++ b/deployment/04-login-server-dcv.yaml
@@ -27,41 +27,50 @@ Metadata:
 Mappings:
   RegionMap:
     us-east-1:  
-      CentOS75: ami-9887c6e7
-      FPGADev15: ami-0a71d776cea7922c1
-      ALinux2: ami-035be7bafff33b6b6
+      #CentOS7: ami-043984dedb185b864 #CentOS Linux 7-prod-eukkzvj25vgkc
+      RHEL7: ami-0c76662758dc1db64 #RHEL-7.9_HVM-20240930-x86_64-0-Hourly2-GP3
+      ALinux2: ami-0ac664bd64e1dcc6b # amzn2-ami-hvm-2.0.20241217.0-x86_64-gp2
+      RHEL8Graviton: ami-03c35673bd29a0491 #RHEL-8.10.0_HVM-20241210-arm64-1622-Hourly2-GP3
     us-east-2:  
-      CentOS75: ami-0f2b4fc905b0bd1f1
-      FPGADev15: ami-0d3e8847d15d9ad72
-      ALinux2: ami-04328208f4f0cf1fe
+      #CentOS7: ami-03619007682d0cd71 #CentOS Linux 7-prod-eukkzvj25vgkc
+      RHEL7: ami-02827739a7f5841d3 #RHEL-7.9_HVM-20240930-x86_64-0-Hourly2-GP3
+      ALinux2:  ami-05175b461d18d94d9 # amzn2-ami-hvm-2.0.20241217.0-x86_64-gp2
+      RHEL8Graviton: ami-03c0afd0004ca62be #RHEL-8.10.0_HVM-20241210-arm64-1622-Hourly2-GP3
     us-west-1:
-      CentOS75: ami-074e2d6769f445be5
-      FPGADev15: ami-06fd3aab7a08e942d
-      ALinux2: ami-0799ad445b5727125
+      #CentOS7: ami-028c66c6fcd906b90 #CentOS Linux 7-prod-eukkzvj25vgkc
+      RHEL7 : ami-000f409b704b55cf4 #RHEL-7.9_HVM-20240930-x86_64-0-Hourly2-GP3
+      ALinux2: ami-0853d0de3297e47e0 # amzn2-ami-hvm-2.0.20241217.0-x86_64-gp2
+      RHEL8Graviton: ami-05635de0534eccde5 #RHEL-8.10.0_HVM-20241210-arm64-1622-Hourly2-GP3
     us-west-2:
-      CentOS75: ami-3ecc8f46
-      FPGADev15: ami-068ef4610de0dfb70
-      ALinux2: ami-032509850cf9ee54e
+      #CentOS7: ami-0f510d22242ca183f #CentOS Linux 7-prod-eukkzvj25vgkc
+      RHEL7: ami-0b43febdef0c3d1c3 #RHEL-7.9_HVM-20240930-x86_64-0-Hourly2-GP3
+      ALinux2: ami-06c7fbd87fa7b507c # amzn2-ami-hvm-2.0.20241217.0-x86_64-gp2
+      RHEL8Graviton: ami-094dbeb0b4beeecfa #RHEL-8.10.0_HVM-20241210-arm64-1622-Hourly2-GP3
     eu-west-1:           # Dublin
-      CentOS75: ami-3548444c
-      FPGADev15: ami-0521b6e4d86dad1f1
-      ALinux2: ami-0fad7378adf284ce0
+      #CentOS7: ami-0dd3fd68601b3de7f #CentOS Linux 7-prod-eukkzvj25vgkc
+      RHEL7: ami-00d8c24eeb5fbfd8c #RHEL-7.9_HVM-20240930-x86_64-0-Hourly2-GP3
+      ALinux2: ami-0fc56b47fc1f238ee # amzn2-ami-hvm-2.0.20241217.0-x86_64-gp2
+      RHEL8Graviton: ami-0863b2d3611e5acaf #RHEL-8.10.0_HVM-20241210-arm64-1622-Hourly2-GP3
     ap-southeast-1:      # Singapore
-      CentOS75: ami-8e0205f2
-      FPGADev15: ami-0c4b3ff18b42e34a8
-      ALinux2: ami-04677bdaa3c2b6e24
+      #CentOS7: ami-0d130eab12d1ea78a #CentOS Linux 7-prod-eukkzvj25vgkc
+      RHEL7: ami-000f0ee2950b75cd5 #RHEL-7.9_HVM-20240930-x86_64-0-Hourly2-GP3
+      ALinux2: ami-047d5a3391704b8b2 # amzn2-ami-hvm-2.0.20241217.0-x86_64-gp2
+      RHEL8Graviton: ami-0d8e10634fd2cc82c #RHEL-8.10.0_HVM-20241210-arm64-1622-Hourly2-GP3
     ap-southeast-2:      # Sydney
-      CentOS75: ami-d8c21dba
-      FPGADev15: ami-000e49a33676e256a
-      ALinux2: ami-0c9d48b5db609ad6e
+      #CentOS7: ami-075e6c9f6f3ac3804 #CentOS Linux 7-prod-eukkzvj25vgkc
+      RHEL7: ami-090e5f68ce5a80ae4 #RHEL-7.9_HVM-20240930-x86_64-0-Hourly2-GP3
+      ALinux2: ami-0c372b59cfa8c3d65 # amzn2-ami-hvm-2.0.20241217.0-x86_64-gp2
+      RHEL8Graviton: ami-00ef1ac63f85f6d35 #RHEL-8.10.0_HVM-20241210-arm64-1622-Hourly2-GP3
     ap-northeast-2:      # Seoul
-      CentOS75: ami-06cf2a72dadf92410
-      FPGADev15: ami-0bbca7ce2aa871d41
-      ALinux2: ami-018a9a930060d38aa
+      #CentOS7: ami-00609ecc32132c692 #CentOS Linux 7-prod-eukkzvj25vgkc
+      RHEL7: ami-00a8dd1293ad66f06 #RHEL-7.9_HVM-20240930-x86_64-0-Hourly2-GP3
+      ALinux2: ami-07a2318163330ee84 # amzn2-ami-hvm-2.0.20241217.0-x86_64-gp2
+      RHEL8Graviton: ami-0be1f4444522e087d #RHEL-8.10.0_HVM-20241210-arm64-1622-Hourly2-GP3
     ap-northeast-1:      # Tokyo
-      CentOS75: ami-045f38c93733dd48d
-      FPGADev15: ami-0f741966c7ef2c378
-      ALinux2: ami-0d7ed3ddb85b521a6
+      #CentOS7: ami-0d2241a860961c70e #CentOS Linux 7-prod-eukkzvj25vgkc
+      RHEL7: ami-029993f94b02017d3 #RHEL-7.9_HVM-20240930-x86_64-0-Hourly2-GP3
+      ALinux2: ami-0dbca050974482176 # amzn2-ami-hvm-2.0.20241217.0-x86_64-gp2
+      RHEL8Graviton: ami-04dbe9d488cc45455 #RHEL-8.10.0_HVM-20241210-arm64-1622-Hourly2-GP3
 
 Parameters:
   AdminKeyPair:
@@ -86,8 +95,7 @@ Parameters:
     Default: ALinux2
     AllowedValues:
       - ALinux2
-      - CentOS75
-      - FPGADev15
+      #- CentOS7
   LSFClusterName:
     Default: LSFCluster
     Description: An environment name that will be prefixed to resource names
diff --git a/deployment/run-eda-workshop.yaml b/deployment/run-eda-workshop.yaml
index 0a957c3..c97c4c4 100644
--- a/deployment/run-eda-workshop.yaml
+++ b/deployment/run-eda-workshop.yaml
@@ -173,19 +173,19 @@ Parameters:
     Default: ALinux2
     AllowedValues:
       - ALinux2
-      - CentOS75
+      #- CentOS7
+      - RHEL7
 
   ComputeAMI:
     Description: >
-      'FPGADev' provides access to the Xilinx Vivado EDA software.  Use this when deploying the AWS EDA workshop.
       Choose 'CentOS' if you intend to run your own workloads in this environment.
       NOTE: You must first subscribe to these AMIs in the AWS Marketplace.  See included documentation for details.
     Type: String
-    Default: CentOS75
+    Default: RHEL7
     AllowedValues:
-      - FPGADev15
-      - CentOS75
-      - RHEL76Graviton
+      #- CentOS7
+      - RHEL7
+      - RHEL8Graviton
 
   LSFClusterName:
     Description: The name of the computing environment.  This will also be the name of the LSF cluster.
@@ -240,8 +240,8 @@ Parameters:
     Type: String
     Default: ALinux2
     AllowedValues:
-      - CentOS75
-      - FPGADev15
+      #- CentOS7
+      - RHEL7
       - ALinux2
 
   VpcAz:
diff --git a/source/config/lsf/user_data.sh b/source/config/lsf/user_data.sh
index c15c0f9..f9524f2 100644
--- a/source/config/lsf/user_data.sh
+++ b/source/config/lsf/user_data.sh
@@ -16,6 +16,10 @@ export LSF_INSTALL_DIR_ROOT="/`echo $LSF_INSTALL_DIR | cut -d / -f2`"
 export LSF_ADMIN=lsfadmin
 export ARCH="`uname -p`"
 
+#OS verserion
+. /etc/os-release
+export OS_VERSION=`echo $VERSION_ID | awk -F. '{print $1}'`
+
 # Add the LSF admin account
 useradd -m -u 1500 $LSF_ADMIN
 # Add DCV login user account
@@ -39,10 +43,12 @@ if [[ $ARCH == "x86_64" ]]; then
    done
 fi
 
-# enable NFS for aarch64 AMI
-if [[ $ARCH == "aarch64" ]]; then
-   yum -y install nfs-utils
-   service nfs start
+# enable NFS
+yum -y install nfs-utils #Amazon LUNUX/RHEL
+if [[ $ID == "rhel" && $OS_VERSION == "8" ]]; then
+        sudo service nfs-server start
+else
+        service nfs start
 fi
 
 # mount shared file systems
@@ -75,21 +81,21 @@ else
 fi
 
 ## Set up Python3 environment for OpenLane
-sudo yum install -y python3 python3-pip
-python3 -m pip install --upgrade --no-cache-dir volare
+# sudo yum install -y python3 python3-pip
+# python3 -m pip install --upgrade --no-cache-dir volare
 
 ## Install Git for OpenLane
-sudo yum install -y git
+# sudo yum install -y git
 
 ## Set up Docker environment for OpenLane
-sudo yum install -y yum-utils
-sudo yum-config-manager --add-repo https://download.docker.com/linux/centos/docker-ce.repo
-sudo yum install -y docker-ce docker-ce-cli containerd.io docker-buildx-plugin docker-compose-plugin
-sudo systemctl start docker
+# sudo yum install -y yum-utils
+# sudo yum-config-manager --add-repo https://download.docker.com/linux/centos/docker-ce.repo
+# sudo yum install -y docker-ce docker-ce-cli containerd.io docker-buildx-plugin docker-compose-plugin
+# sudo systemctl start docker
 
 ## Add "simuser" as docker group to run docker without root
-sudo groupadd docker
-sudo usermod -aG docker ${DCV_USER_NAME}
+# sudo groupadd docker
+# sudo usermod -aG docker ${DCV_USER_NAME}
 
 ## Set up the LSF environment
 # if [[ $ARCH == "aarch64" ]]; then
@@ -153,6 +159,11 @@ if [ -n "${ssd}" ]; then
    echo "Updated LSF_LOCAL_RESOURCES lsf.conf with [resource ${ssd}]"
 fi
 
+# LSF library installation for aarch64 AMI
+if [[ $ARCH == "aarch64" ]]; then
+   yum -y install libnsl
+fi
+
 # Start LSF Daemons
 lsadmin limstartup
 lsadmin resstartup