docs: update the version number

docs/create_a_confidential_computing_kubernetes_cluster_with_inclavare_containers.md

@@ -12,9 +12,9 @@ This page shows how to create a single control-plane Kubernetes and install the
 
 | Module Name | CentOS | Ubuntu |
 | --- | --- | --- |
-| occlum-pal | occlum-pal-${version}.el7.x86_64.rpm | occlum-pal_${version}_amd64.deb    |
-| shim-rune | shim-rune-${version}.el7.x86_64.rpm | shim-rune_${version}_amd64.deb |
-| rune | rune-${version}.el7.x86_64.rpm  | rune_${version}_amd64.deb |
+| occlum-pal | occlum-pal-${version}.el8.x86_64.rpm | occlum-pal_${version}_amd64.deb    |
+| shim-rune | shim-rune-${version}.el8.x86_64.rpm | shim-rune_${version}_amd64.deb |
+| rune | rune-${version}.el8.x86_64.rpm  | rune_${version}_amd64.deb |
 
 ## Objectives
 
@@ -58,12 +58,12 @@ Note that you should install the OOT SGX driver that without ECDSA attestation.
    - On CentOS
     ```bash
     version=0.15.1-1
-    sudo rpm -ivh occlum-pal-${version}.el7.x86_64.rpm
+    sudo rpm -ivh occlum-pal-${version}.el8.x86_64.rpm
     ```
 
    - On Ubuntu
     ```bash
-    version=0.15.1-1
+    version=0.15.1
     sudo dpkg -i occlum-pal_${version}_amd64.deb
     ```
 
@@ -82,7 +82,7 @@ Note that you should install the OOT SGX driver that without ECDSA attestation.
     ```bash
     version=0.4.0-1
     sudo yum install -y libseccomp
-    sudo rpm -ivh rune-${version}.el7.x86_64.rpm
+    sudo rpm -ivh rune-${version}.el8.x86_64.rpm
     ```
 
    - On Ubuntu
@@ -98,7 +98,7 @@ Note that you should install the OOT SGX driver that without ECDSA attestation.
 - On CentOS
     ```bash
     version=0.4.0-1
-    sudo rpm -ivh shim-rune-${version}.el7.x86_64.rpm
+    sudo rpm -ivh shim-rune-${version}.el8.x86_64.rpm
     ```
 
 - On Ubuntu

docs/develop_and_deploy_hello_world_application_in_kubernetes_cluster.md

@@ -37,14 +37,14 @@ You can choose one suitable occlum SDK image from the list in [this page](https:
       - command:
         - sleep
         - infinity
-        image: docker.io/occlum/occlum:0.14.0-centos7.5
+        image: docker.io/occlum/occlum:0.15.1-centos7.5
         imagePullPolicy: IfNotPresent
         securityContext:
           privileged: true
         name: occlum-app-builder
     EOF
     ```
-    This will create a Pod with image `docker.io/occlum/occlum:0.14.0-centos7.5` and the filed `securityContext.privileged` should be set to `true`  in order to build and push docker image in container.<br />
+    This will create a Pod with image `docker.io/occlum/occlum:0.15.1-centos7.5` and the filed `securityContext.privileged` should be set to `true`  in order to build and push docker image in container.<br />
 
 - Step 2. Wait for the pod status to `Ready`
 

shim/README-zh_CN.md

@@ -46,8 +46,8 @@ sgx_tool_sign = "/opt/intel/sgxsdk/bin/x64/sgx_sign"
 [enclave_runtime]
 
     [enclave_runtime.occlum]
-        build_image = "docker.io/occlum/occlum:0.14.0-ubuntu18.04"
-        enclave_runtime_path = "/opt/occlum/build/lib/libocclum-pal.so.0.14.0"
+        build_image = "docker.io/occlum/occlum:0.15.1-ubuntu18.04"
+        enclave_runtime_path = "/opt/occlum/build/lib/libocclum-pal.so.0.15.1"
     [enclave_runtime.graphene]
 
 ```

shim/README.md

@@ -46,8 +46,8 @@ sgx_tool_sign = "/opt/intel/sgxsdk/bin/x64/sgx_sign"
 [enclave_runtime]
 
     [enclave_runtime.occlum]
-        build_image = "docker.io/occlum/occlum:0.14.0-ubuntu18.04"
-        enclave_runtime_path = "/opt/occlum/build/lib/libocclum-pal.so.0.14.0"
+        build_image = "docker.io/occlum/occlum:0.15.1-ubuntu18.04"
+        enclave_runtime_path = "/opt/occlum/build/lib/libocclum-pal.so.0.15.1"
     [enclave_runtime.graphene]
 
 ```

shim/conf/config.toml

@@ -8,6 +8,6 @@ sgx_tool_sign = "/opt/intel/sgxsdk/bin/x64/sgx_sign"
 [enclave_runtime]
 
     [enclave_runtime.occlum]
-        build_image = "docker.io/occlum/occlum:0.14.0-ubuntu18.04"
-        enclave_runtime_path = "/opt/occlum/build/lib/libocclum-pal.so.0.14.0"
+        build_image = "docker.io/occlum/occlum:0.15.1-ubuntu18.04"
+        enclave_runtime_path = "/opt/occlum/build/lib/libocclum-pal.so.0.15.1"
     [enclave_runtime.graphene]
\ No newline at end of file