Merge pull request #81352 from cainneri/patch-2

Need to add commands to export Cluster wide proxy variables

Author: lahinson

modules/backup-etcd.adoc

@@ -40,7 +40,23 @@ $ oc debug --as-root node/<node_name>
 sh-4.4# chroot /host
 ----
 
-. If the cluster-wide proxy is enabled, be sure that you have exported the `NO_PROXY`, `HTTP_PROXY`, and `HTTPS_PROXY` environment variables.
+. If the cluster-wide proxy is enabled, export the `NO_PROXY`, `HTTP_PROXY`, and `HTTPS_PROXY` environment variables by running the following commands:
++
+[source,terminal]
+----
+$ export HTTP_PROXY=http://<your_proxy.example.com>:8080
+----
++
+[source,terminal]
+----
+$ export HTTPS_PROXY=https://<your_proxy.example.com>:8080
+----
++
+[source,terminal]
+----
+$ export NO_PROXY=<example.com>
+----
++
 
 . Run the `cluster-backup.sh` script in the debug shell and pass in the location to save the backup to.
 +