diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index 9a3c2a11bc..e6cd6faf4d 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -257,6 +257,22 @@ Improvements
 
   Contributed by @cognifloyd.
 
+* Update majority of the "resource get" CLI commands (e.g. ``st2 execution get``,
+  ``st2 action get``, ``st2 rule get``, ``st2 pack get``, ``st2 apikey get``, ``st2 trace get``,
+  ``st2 key get``, ``st2 webhook get``, ``st2  timer get``, etc.) so they allow for retrieval
+  and printing of information for multiple resources using the following notation:
+  ``st2 <resource> get <id 1> <id 2> <id n>``, e.g. ``st2 action.get pack.show packs.get
+  packs.delete``
+
+  This change is fully backward compatible when retrieving only a single resource (aka single
+  id is passed to the command).
+
+  When retrieving a single source the command will throw and exit with non-zero if a resource is
+  not found, but when retrieving multiple resources, command will just print an error and
+  continue with printing the details of any other found resources. (new feature) #4912
+
+  Contributed by @Kami.
+
 Fixed
 ~~~~~
 
diff --git a/st2actions/st2actions/notifier/config.py b/st2actions/st2actions/notifier/config.py
index e5cb03366e..d5bb4b44ab 100644
--- a/st2actions/st2actions/notifier/config.py
+++ b/st2actions/st2actions/notifier/config.py
@@ -21,8 +21,6 @@
 from st2common.constants.system import VERSION_STRING
 from st2common.constants.system import DEFAULT_CONFIG_FILE_PATH
 
-common_config.register_opts()
-
 CONF = cfg.CONF
 
 
@@ -44,7 +42,7 @@ def get_logging_config_path():
 
 
 def _register_common_opts(ignore_errors=False):
-    common_config.register_opts()
+    common_config.register_opts(ignore_errors=ignore_errors)
 
 
 def _register_notifier_opts(ignore_errors=False):
diff --git a/st2client/st2client/commands/action.py b/st2client/st2client/commands/action.py
index 1b97e8981a..17a0627871 100644
--- a/st2client/st2client/commands/action.py
+++ b/st2client/st2client/commands/action.py
@@ -1473,6 +1473,7 @@ class ActionExecutionGetCommand(ActionRunCommandMixin, ResourceViewCommand):
         "end_timestamp",
         "log",
     ]
+    pk_argument_name = "id"
 
     def __init__(self, resource, *args, **kwargs):
         super(ActionExecutionGetCommand, self).__init__(
@@ -1484,7 +1485,9 @@ def __init__(self, resource, *args, **kwargs):
         )
 
         self.parser.add_argument(
-            "id", help=("ID of the %s." % resource.get_display_name().lower())
+            "id",
+            nargs="+",
+            help=("ID of the %s." % resource.get_display_name().lower()),
         )
         self.parser.add_argument(
             "-x",
@@ -1510,21 +1513,21 @@ def run(self, args, **kwargs):
         if args.exclude_result:
             kwargs["params"] = {"exclude_attributes": "result"}
 
-        execution = self.get_resource_by_id(id=args.id, **kwargs)
-        return execution
+        resource_ids = getattr(args, self.pk_argument_name, None)
+        resources = self._get_multiple_resources(
+            resource_ids=resource_ids, kwargs=kwargs
+        )
+        return resources
 
     @add_auth_token_to_kwargs_from_cli
     def run_and_print(self, args, **kwargs):
-        try:
-            execution = self.run(args, **kwargs)
+        executions = self.run(args, **kwargs)
 
+        for execution in executions:
             if not args.json and not args.yaml:
                 # Include elapsed time for running executions
                 execution = format_execution_status(execution)
-        except resource.ResourceNotFoundError:
-            self.print_not_found(args.id)
-            raise ResourceNotFoundError("Execution with id %s not found." % (args.id))
-        return self._print_execution_details(execution=execution, args=args, **kwargs)
+            self._print_execution_details(execution=execution, args=args, **kwargs)
 
 
 class ActionExecutionCancelCommand(resource.ResourceCommand):
diff --git a/st2client/st2client/commands/inquiry.py b/st2client/st2client/commands/inquiry.py
index d9395a5c54..8b265bcceb 100644
--- a/st2client/st2client/commands/inquiry.py
+++ b/st2client/st2client/commands/inquiry.py
@@ -127,11 +127,6 @@ class InquiryGetCommand(resource.ResourceGetCommand):
     def __init__(self, kv_resource, *args, **kwargs):
         super(InquiryGetCommand, self).__init__(kv_resource, *args, **kwargs)
 
-    @resource.add_auth_token_to_kwargs_from_cli
-    def run(self, args, **kwargs):
-        resource_name = getattr(args, self.pk_argument_name, None)
-        return self.get_resource_by_id(id=resource_name, **kwargs)
-
 
 class InquiryRespondCommand(resource.ResourceCommand):
     display_attributes = ["id", "response"]
diff --git a/st2client/st2client/commands/keyvalue.py b/st2client/st2client/commands/keyvalue.py
index e87f6afa35..19ea0d9f5b 100644
--- a/st2client/st2client/commands/keyvalue.py
+++ b/st2client/st2client/commands/keyvalue.py
@@ -208,12 +208,16 @@ def __init__(self, kv_resource, *args, **kwargs):
 
     @resource.add_auth_token_to_kwargs_from_cli
     def run(self, args, **kwargs):
-        resource_name = getattr(args, self.pk_argument_name, None)
         decrypt = getattr(args, "decrypt", False)
         scope = getattr(args, "scope", DEFAULT_GET_SCOPE)
         kwargs["params"] = {"decrypt": str(decrypt).lower()}
         kwargs["params"]["scope"] = scope
-        return self.get_resource_by_id(id=resource_name, **kwargs)
+
+        resource_ids = getattr(args, self.pk_argument_name, None)
+        resources = self._get_multiple_resources(
+            resource_ids=resource_ids, kwargs=kwargs
+        )
+        return resources
 
 
 class KeyValuePairSetCommand(resource.ResourceCommand):
diff --git a/st2client/st2client/commands/resource.py b/st2client/st2client/commands/resource.py
index da0fbc85e3..d66e990a93 100644
--- a/st2client/st2client/commands/resource.py
+++ b/st2client/st2client/commands/resource.py
@@ -15,6 +15,10 @@
 
 from __future__ import absolute_import
 
+from typing import List
+from typing import Any
+from typing import Dict
+
 import os
 import abc
 import six
@@ -238,6 +242,35 @@ def get_resource_by_ref_or_id(self, ref_or_id, **kwargs):
             raise ResourceNotFoundError(message)
         return instance
 
+    def _get_multiple_resources(
+        self, resource_ids: List[str], kwargs: Dict[str, Any]
+    ) -> List[Any]:
+        """
+        Return multiple resource instances for the provided resource ids.
+        If a resource is not found, an error is printed. This method only throws when operating on
+        a single resource.
+        :param resource_ids: A list of resources to retrieve instances for.
+        :param kwargs: Dictionary with keyword arguments which are passed to get_resource_by_id.
+        """
+        more_than_one_resource = len(resource_ids) > 1
+
+        resources = []
+        for resource_id in resource_ids:
+            try:
+                resource = self.get_resource_by_id(resource_id, **kwargs)
+            except ResourceNotFoundError:
+                self.print_not_found(resource_id)
+
+                if not more_than_one_resource:
+                    # For backward compatibility reasons and to comply with common "get one"
+                    # behavior, we only fail if a single source is requested
+                    raise ResourceNotFoundError("Resource %s not found." % resource_id)
+
+                continue
+
+            resources.append(resource)
+        return resources
+
     @abc.abstractmethod
     def run(self, args, **kwargs):
         raise NotImplementedError
@@ -421,7 +454,7 @@ def __init__(self, resource, *args, **kwargs):
             resource=resource, argument=self.pk_argument_name
         )
 
-        self.parser.add_argument(argument, metavar=metavar, help=help)
+        self.parser.add_argument(argument, metavar=metavar, nargs="+", help=help)
         self.parser.add_argument(
             "-a",
             "--attr",
@@ -436,12 +469,16 @@ def __init__(self, resource, *args, **kwargs):
 
     @add_auth_token_to_kwargs_from_cli
     def run(self, args, **kwargs):
-        resource_id = getattr(args, self.pk_argument_name, None)
-        return self.get_resource_by_id(resource_id, **kwargs)
+        resource_ids = getattr(args, self.pk_argument_name, None)
+        resources = self._get_multiple_resources(
+            resource_ids=resource_ids, kwargs=kwargs
+        )
+        return resources
 
     def run_and_print(self, args, **kwargs):
-        try:
-            instance = self.run(args, **kwargs)
+        instances = self.run(args, **kwargs)
+
+        for instance in instances:
             self.print_output(
                 instance,
                 table.PropertyValueTable,
@@ -450,10 +487,6 @@ def run_and_print(self, args, **kwargs):
                 yaml=args.yaml,
                 attribute_display_order=self.attribute_display_order,
             )
-        except ResourceNotFoundError:
-            resource_id = getattr(args, self.pk_argument_name, None)
-            self.print_not_found(resource_id)
-            raise OperationFailureException("Resource %s not found." % resource_id)
 
 
 class ContentPackResourceGetCommand(ResourceGetCommand):
diff --git a/st2client/st2client/commands/rule_enforcement.py b/st2client/st2client/commands/rule_enforcement.py
index dd624d4a72..fae09ef606 100644
--- a/st2client/st2client/commands/rule_enforcement.py
+++ b/st2client/st2client/commands/rule_enforcement.py
@@ -56,11 +56,6 @@ class RuleEnforcementGetCommand(resource.ResourceGetCommand):
 
     pk_argument_name = "id"
 
-    @resource.add_auth_token_to_kwargs_from_cli
-    def run(self, args, **kwargs):
-        resource_id = getattr(args, self.pk_argument_name, None)
-        return self.get_resource_by_id(resource_id, **kwargs)
-
 
 class RuleEnforcementListCommand(resource.ResourceCommand):
     display_attributes = [
diff --git a/st2client/st2client/commands/trace.py b/st2client/st2client/commands/trace.py
index ac8de676c2..6c311221f1 100644
--- a/st2client/st2client/commands/trace.py
+++ b/st2client/st2client/commands/trace.py
@@ -16,7 +16,6 @@
 from __future__ import absolute_import
 
 from st2client.models import Resource, Trace, TriggerInstance, Rule, Execution
-from st2client.exceptions.operations import OperationFailureException
 from st2client.formatters import table
 from st2client.formatters import execution as execution_formatter
 from st2client.commands import resource
@@ -327,22 +326,22 @@ def __init__(self, resource, *args, **kwargs):
 
     @resource.add_auth_token_to_kwargs_from_cli
     def run(self, args, **kwargs):
-        resource_id = getattr(args, self.pk_argument_name, None)
-        return self.get_resource_by_id(resource_id, **kwargs)
+        resource_ids = getattr(args, self.pk_argument_name, None)
+        resources = self._get_multiple_resources(
+            resource_ids=resource_ids, kwargs=kwargs
+        )
+        return resources
 
     @resource.add_auth_token_to_kwargs_from_cli
     def run_and_print(self, args, **kwargs):
-        trace = None
-        try:
-            trace = self.run(args, **kwargs)
-        except resource.ResourceNotFoundError:
-            self.print_not_found(args.id)
-            raise OperationFailureException("Trace %s not found." % (args.id))
-        # First filter for causation chains
-        trace = self._filter_trace_components(trace=trace, args=args)
-        # next filter for display purposes
-        trace = self._apply_display_filters(trace=trace, args=args)
-        return self.print_trace_details(trace=trace, args=args)
+        traces = self.run(args, **kwargs)
+
+        for trace in traces:
+            # First filter for causation chains
+            trace = self._filter_trace_components(trace=trace, args=args)
+            # next filter for display purposes
+            trace = self._apply_display_filters(trace=trace, args=args)
+            self.print_trace_details(trace=trace, args=args)
 
     @staticmethod
     def _filter_trace_components(trace, args):
diff --git a/st2client/st2client/commands/triggerinstance.py b/st2client/st2client/commands/triggerinstance.py
index 12966fea92..3ccbaab2a5 100644
--- a/st2client/st2client/commands/triggerinstance.py
+++ b/st2client/st2client/commands/triggerinstance.py
@@ -212,8 +212,3 @@ class TriggerInstanceGetCommand(resource.ResourceGetCommand):
     attribute_display_order = ["id", "trigger", "occurrence_time", "payload"]
 
     pk_argument_name = "id"
-
-    @resource.add_auth_token_to_kwargs_from_cli
-    def run(self, args, **kwargs):
-        resource_id = getattr(args, self.pk_argument_name, None)
-        return self.get_resource_by_id(resource_id, **kwargs)
diff --git a/st2client/st2client/models/reactor.py b/st2client/st2client/models/reactor.py
index ef4c054f69..0d89d8cdd8 100644
--- a/st2client/st2client/models/reactor.py
+++ b/st2client/st2client/models/reactor.py
@@ -38,7 +38,7 @@ class TriggerType(core.Resource):
 
 class TriggerInstance(core.Resource):
     _alias = "Trigger-Instance"
-    _display_name = "TriggerInstance"
+    _display_name = "Trigger Instance"
     _plural = "Triggerinstances"
     _plural_display_name = "TriggerInstances"
     _repr_attributes = ["id", "trigger", "occurrence_time", "payload", "status"]
diff --git a/st2client/tests/base.py b/st2client/tests/base.py
index c06b2cadb4..e2ea29a3ae 100644
--- a/st2client/tests/base.py
+++ b/st2client/tests/base.py
@@ -125,7 +125,7 @@ def tearDown(self):
 
             print("")
             print("Captured stdout: %s" % (stdout))
-            print("Captured stdoerr: %s" % (stderr))
+            print("Captured stderr: %s" % (stderr))
             print("")
 
     def _reset_output_streams(self):
diff --git a/st2client/tests/unit/test_commands.py b/st2client/tests/unit/test_commands.py
index 6dc5803b2c..729b671cd4 100644
--- a/st2client/tests/unit/test_commands.py
+++ b/st2client/tests/unit/test_commands.py
@@ -38,6 +38,70 @@
 LOG = logging.getLogger(__name__)
 
 
+class TestCommands(base.BaseCLITestCase):
+    def __init__(self, *args, **kwargs):
+        super(TestCommands, self).__init__(*args, **kwargs)
+        self.shell = Shell()
+
+    @mock.patch.object(
+        httpclient.HTTPClient,
+        "get",
+        mock.MagicMock(
+            return_value=base.FakeResponse(json.dumps({}), 404, "NOT FOUND")
+        ),
+    )
+    def test_all_resources_get_multi(self):
+        # 1. Verify that st2 <resource> get <id 1> ... <id n> notation works for all get commands
+        resources = [
+            ("action", models.Action),
+            ("action-alias", models.ActionAlias),
+            ("rule", models.Rule),
+            ("sensor", models.Sensor),
+            ("pack", models.Pack),
+            ("execution", models.Execution),
+            ("key", models.KeyValuePair),
+            ("webhook", models.Webhook),
+            ("trigger-instance", models.TriggerInstance),
+            ("trigger", models.TriggerType),
+            ("apikey", models.ApiKey),
+            ("inquiry", models.Inquiry),
+            ("policy", models.Policy),
+            ("policy-type", models.PolicyType),
+            ("timer", models.Timer),
+            ("trace", models.Trace),
+            ("runner", models.RunnerType),
+            ("rule-enforcement", models.RuleEnforcement),
+            ("role", models.Role),
+            ("role-assignment", models.UserRoleAssignment),
+        ]
+
+        for command_name, resource_ in resources:
+            display_name = resource_.get_display_name()
+
+            self._reset_output_streams()
+            return_code = self.shell.run([command_name, "get", "id1", "id2", "id3"])
+            self.assertEqual(return_code, 0)
+
+            stdout = self.stdout.getvalue()
+            self.assertTrue('%s "id1" is not found.' % (display_name) in stdout)
+            self.assertTrue('%s "id2" is not found.' % (display_name) in stdout)
+            self.assertTrue('%s "id3" is not found.' % (display_name) in stdout)
+            self._reset_output_streams()
+
+        # 2. When a single id is provided, command should return non-zero in case resource is not
+        # found
+        for command_name, resource_ in resources:
+            display_name = resource_.get_display_name()
+
+            self._reset_output_streams()
+            return_code = self.shell.run([command_name, "get", "id3"])
+            self.assertEqual(return_code, 1)
+
+            stdout = self.stdout.getvalue()
+            self.assertTrue('%s "id3" is not found.' % (display_name) in stdout)
+            self._reset_output_streams()
+
+
 class TestResourceCommand(unittest2.TestCase):
     def __init__(self, *args, **kwargs):
         super(TestResourceCommand, self).__init__(*args, **kwargs)
@@ -84,8 +148,8 @@ def test_command_list_failed(self):
     def test_command_get_by_id(self):
         args = self.parser.parse_args(["fakeresource", "get", "123"])
         self.assertEqual(args.func, self.branch.commands["get"].run_and_print)
-        instance = self.branch.commands["get"].run(args)
-        actual = instance.serialize()
+        instances = self.branch.commands["get"].run(args)
+        actual = instances[0].serialize()
         expected = json.loads(json.dumps(base.RESOURCES[0]))
         self.assertEqual(actual, expected)
 
@@ -96,14 +160,40 @@ def test_command_get_by_id(self):
             return_value=base.FakeResponse(json.dumps(base.RESOURCES[0]), 200, "OK")
         ),
     )
-    def test_command_get(self):
+    def test_command_get_single(self):
         args = self.parser.parse_args(["fakeresource", "get", "abc"])
         self.assertEqual(args.func, self.branch.commands["get"].run_and_print)
-        instance = self.branch.commands["get"].run(args)
+        instances = self.branch.commands["get"].run(args)
+        self.assertEqual(len(instances), 1)
+        instance = instances[0]
         actual = instance.serialize()
         expected = json.loads(json.dumps(base.RESOURCES[0]))
         self.assertEqual(actual, expected)
 
+    @mock.patch.object(
+        httpclient.HTTPClient,
+        "get",
+        mock.MagicMock(
+            side_effect=[
+                base.FakeResponse(json.dumps(base.RESOURCES[0]), 200, "OK"),
+                base.FakeResponse(json.dumps(base.RESOURCES[1]), 200, "OK"),
+            ]
+        ),
+    )
+    def test_command_get_multiple(self):
+        args = self.parser.parse_args(["fakeresource", "get", "abc", "def"])
+        self.assertEqual(args.func, self.branch.commands["get"].run_and_print)
+        instances = self.branch.commands["get"].run(args)
+        self.assertEqual(len(instances), 2)
+
+        actual = instances[0].serialize()
+        expected = json.loads(json.dumps(base.RESOURCES[0]))
+        self.assertEqual(actual, expected)
+
+        actual = instances[1].serialize()
+        expected = json.loads(json.dumps(base.RESOURCES[1]))
+        self.assertEqual(actual, expected)
+
     @mock.patch.object(
         httpclient.HTTPClient,
         "get",
@@ -305,8 +395,8 @@ def test_command_get_unicode_primary_key(self):
             ["fakeresource", "get", "examples.test_rule_utf8_náme"]
         )
         self.assertEqual(args.func, self.branch.commands["get"].run_and_print)
-        instance = self.branch.commands["get"].run(args)
-        actual = instance.serialize()
+        instances = self.branch.commands["get"].run(args)
+        actual = instances[0].serialize()
         expected = json.loads(json.dumps(base.RESOURCES[0]))
         self.assertEqual(actual, expected)
 
diff --git a/st2client/tests/unit/test_inquiry.py b/st2client/tests/unit/test_inquiry.py
index 4132fda0d1..5ae225c79e 100644
--- a/st2client/tests/unit/test_inquiry.py
+++ b/st2client/tests/unit/test_inquiry.py
@@ -151,9 +151,11 @@ def test_get_inquiry_not_found(self):
         args = ["inquiry", "get", inquiry_id]
         retcode = self.shell.run(args)
         self.assertEqual(
-            'Inquiry "%s" is not found.\n\n' % inquiry_id, self.stdout.getvalue()
+            'Inquiry "%s" is not found.\n\nERROR: Resource asdbv not found.\n\n'
+            % inquiry_id,
+            self.stdout.getvalue(),
         )
-        self.assertEqual(retcode, 2)
+        self.assertEqual(retcode, 1)
 
     @mock.patch.object(
         requests,
diff --git a/st2client/tests/unit/test_shell.py b/st2client/tests/unit/test_shell.py
index 32f128a506..aa54839ff6 100644
--- a/st2client/tests/unit/test_shell.py
+++ b/st2client/tests/unit/test_shell.py
@@ -841,7 +841,7 @@ def test_get_one_unicode_character_in_name(self):
         argv = ["action", "get", "examples.test_rule_utf8_náme"]
         args = shell.parser.parse_args(args=argv)
         shell.get_client(args=args)
-        self.assertEqual(args.ref_or_id, "examples.test_rule_utf8_náme")
+        self.assertEqual(args.ref_or_id, ["examples.test_rule_utf8_náme"])
 
     def test_reencode_list_replace_surrogate_escape(self):
         value = ["a", "b", "c", "d"]
diff --git a/st2exporter/st2exporter/config.py b/st2exporter/st2exporter/config.py
index f5f6444891..4b43550ef2 100644
--- a/st2exporter/st2exporter/config.py
+++ b/st2exporter/st2exporter/config.py
@@ -25,8 +25,6 @@
 from st2common.constants.system import VERSION_STRING
 from st2common.constants.system import DEFAULT_CONFIG_FILE_PATH
 
-common_config.register_opts()
-
 CONF = cfg.CONF
 
 
diff --git a/st2reactor/st2reactor/garbage_collector/config.py b/st2reactor/st2reactor/garbage_collector/config.py
index af579245f0..4c6bb67255 100644
--- a/st2reactor/st2reactor/garbage_collector/config.py
+++ b/st2reactor/st2reactor/garbage_collector/config.py
@@ -23,8 +23,6 @@
 from st2common.constants.garbage_collection import DEFAULT_COLLECTION_INTERVAL
 from st2common.constants.garbage_collection import DEFAULT_SLEEP_DELAY
 
-common_config.register_opts()
-
 CONF = cfg.CONF
 
 
diff --git a/st2reactor/st2reactor/rules/config.py b/st2reactor/st2reactor/rules/config.py
index 49922b2314..20bc720ec9 100644
--- a/st2reactor/st2reactor/rules/config.py
+++ b/st2reactor/st2reactor/rules/config.py
@@ -21,8 +21,6 @@
 from st2common.constants.system import VERSION_STRING
 from st2common.constants.system import DEFAULT_CONFIG_FILE_PATH
 
-common_config.register_opts()
-
 CONF = cfg.CONF