Merge pull request #28943 from bergerhoffer/pr-28907

Bug 1921281: remove --export flag from oc

Author: bergerhoffer

modules/templates-create-from-existing-object.adoc

@@ -11,23 +11,28 @@ adding parameters and other customizations as template form.
 
 .Procedure
 
-. Export objects in a project in YAML form:
+* Export objects in a project in YAML form:
 +
 [source,terminal]
 ----
-$ oc get -o yaml --export all > <yaml_filename>
+$ oc get -o yaml all > <yaml_filename>
 ----
 +
 You can also substitute a particular resource type or multiple resources instead of `all`.
 Run `oc get -h` for more examples.
 +
-The object types included in `oc get --export all` are:
+The object types included in `oc get -o yaml all` are:
 +
-* BuildConfig
-* Build
-* DeploymentConfig
-* ImageStream
-* Pod
-* ReplicationController
-* Route
-* Service
+** `BuildConfig`
+** `Build`
+** `DeploymentConfig`
+** `ImageStream`
+** `Pod`
+** `ReplicationController`
+** `Route`
+** `Service`
+
+[NOTE]
+====
+Using the `all` alias is not recommended because the contents might vary across different clusters and versions. Instead, specify all required resources.
+====