Adds internal TOC; troubleshooting detail; fixes format on code-block.

Signed-off-by: Michael Vincerra <michael.vincerra@intel.com>

source/clear-linux/tutorials/kubernetes.rst

@@ -18,6 +18,9 @@ workloads or  multi-tenant scenarios. Kata Containers can be
 allocated on a per-pod basis so you can mix and match both on the same host
 to suit your needs.
 
+.. contents:: :local:
+   :depth: 1
+
 Prerequisites
 *************
 
@@ -183,35 +186,6 @@ Create a symlink for the network overlays:
 
    |CL| installs CNI plugins that are part of the `cloud-native-basic` bundle to :file:`/usr/libexec/cni`. The directory is required because `swupd verify` uses it, if necessary, to repair a system to a known good state.
 
-.. TODO: Verify whether to omit this section per mythi, eadamsintel.
-
-.. **Notes about Weave Net add-on**
-
-.. If you choose the `Weave Net` add-on, then you must make the following
-.. changes because it installs itself in the :file:`/opt/cni/bin` directory.
-
-.. For using CRI-O and `Weave Net`, you must complete the following
-.. steps.
-
-.. #.  Edit the :file:`/etc/crio/crio.conf` file to change `plugin_dir` from:
-
-..     ..  code-block:: bash
-
-..         plugin_dir = "/usr/libexec/cni/"
-
-..     to:
-
-..     ..  code-block:: bash
-
-..         plugin_dir = "/opt/cni/bin"
-
-.. #.  Add the `loopback` CNI plugin to the plugin path with the command:
-
-..     ..  code-block:: bash
-
-..         sudo ln -s /usr/libexec/cni/loopback /opt/cni/bin/loopback
-
-
 Use your cluster
 ****************
 
@@ -283,17 +257,17 @@ commands as a shell script to configure all of these services in one step:
 
 .. code-block:: bash
 
-      services=('crio')
-      for s in "${services[@]}"; do
-      sudo mkdir -p "/etc/systemd/system/${s}.service.d/"
-      cat << EOF | sudo tee "/etc/systemd/system/${s}.service.d/proxy.conf"
-      [Service]
-      Environment="HTTP_PROXY=${http_proxy}"
-      Environment="HTTPS_PROXY=${https_proxy}"
-      Environment="SOCKS_PROXY=${socks_proxy}"
-      Environment="NO_PROXY=${no_proxy}"
-      EOF
-      done
+   services=('crio')
+   for s in "${services[@]}"; do
+   sudo mkdir -p "/etc/systemd/system/${s}.service.d/"
+   cat << EOF | sudo tee "/etc/systemd/system/${s}.service.d/proxy.conf"
+   [Service]
+   Environment="HTTP_PROXY=${http_proxy}"
+   Environment="HTTPS_PROXY=${https_proxy}"
+   Environment="SOCKS_PROXY=${socks_proxy}"
+   Environment="NO_PROXY=${no_proxy}"
+   EOF
+   done
 
 Troubleshooting
 ***************
@@ -335,6 +309,44 @@ Troubleshooting
   to set the proxy variables permanently, and how to make them available for
   all the types of access that you will use, such as remote SSH access.
 
+  If the result of the above commands is blank, you may need to add a
+  `profile` to the `/etc`directory. To do so, follow these steps.
+
+  #. Create a `profile` in :file:`/etc`
+
+     .. code-block:: bash
+
+        sudo touch profile
+
+  #. With a preferred editor, open `profile`, and enter your proxy settings.
+     Example shown below.
+
+     .. code-block:: bash
+
+        export "HTTP_PROXY=http://proxy.example.com:443"
+        export "HTTPS_PROXY=http://proxy.example.com:445"
+        export "SOCKS_PROXY=http://proxy.example.com:1080"
+        export "NO_PROXY= site.com,.site.com,localhost,127.0.0.1,<master IP>
+
+  <master IP> can be obtained by running :command:`ifconfig`.
+
+  #. Save and exit the `profile`.
+
+  #. Run:
+
+     .. code-block:: bash
+
+        sudo source profile
+
+  #. To ssure your system isn't running previous session variables, run:
+
+     .. code-block:: bash
+
+        sudo kubeadm reset --cri-socket=/run/crio/crio.sock
+
+  #. Return to the `kubeadm init` command above.
+
+
 * Missing environment variables.
 
   If you are behind a proxy server, pass environment variables by adding *-E*