diff --git a/sky/clouds/oci.py b/sky/clouds/oci.py
index f4ac4d577e3..810e43fe3b5 100644
--- a/sky/clouds/oci.py
+++ b/sky/clouds/oci.py
@@ -17,6 +17,8 @@
    make_deploy_resources_variables(): Bug fix for specify the image_id as
    the ocid of the image in the task.yaml file, in this case the image_id
    for the node config should be set to the ocid instead of a dict.
+ - Hysun He (hysun.he@oracle.com) @ Oct 13, 2024:
+   Support more OS types additional to ubuntu for OCI resources.
 """
 import json
 import logging
@@ -295,10 +297,21 @@ def make_deploy_resources_variables(
             cpus=None if cpus is None else float(cpus),
             disk_tier=resources.disk_tier)
 
+        image_str = self._get_image_str(image_id=resources.image_id,
+                                        instance_type=resources.instance_type,
+                                        region=region.name)
+
+        # pylint: disable=import-outside-toplevel
+        from sky.clouds.service_catalog import oci_catalog
+        os_type = oci_catalog.get_image_os_from_tag(tag=image_str,
+                                                    region=region.name)
+        logger.debug(f'OS type for the image {image_str} is {os_type}')
+
         return {
             'instance_type': instance_type,
             'custom_resources': custom_resources,
             'region': region.name,
+            'os_type': os_type,
             'cpus': str(cpus),
             'memory': resources.memory,
             'disk_size': resources.disk_size,
@@ -501,59 +514,45 @@ def _get_image_id(
         region_name: str,
         instance_type: str,
     ) -> str:
-        if image_id is None:
-            return self._get_default_image(region_name=region_name,
-                                           instance_type=instance_type)
-        if None in image_id:
-            image_id_str = image_id[None]
-        else:
-            assert region_name in image_id, image_id
-            image_id_str = image_id[region_name]
+        image_id_str = self._get_image_str(image_id=image_id,
+                                           instance_type=instance_type,
+                                           region=region_name)
+
         if image_id_str.startswith('skypilot:'):
             image_id_str = service_catalog.get_image_id_from_tag(image_id_str,
                                                                  region_name,
                                                                  clouds='oci')
-            if image_id_str is None:
-                logger.critical(
-                    '! Real image_id not found! - {region_name}:{image_id}')
-                # Raise ResourcesUnavailableError to make sure the failover
-                # in CloudVMRayBackend will be correctly triggered.
-                # TODO(zhwu): This is a information leakage to the cloud
-                # implementor, we need to find a better way to handle this.
-                raise exceptions.ResourcesUnavailableError(
-                    '! ERR: No image found in catalog for region '
-                    f'{region_name}. Try setting a valid image_id.')
+
+        # Image_id should be impossible be None, except for the case when
+        # user specify an image tag which does not exist in the image.csv
+        # catalog file which only possible in "test" / "evaluation" phase.
+        # Therefore, we use assert here.
+        assert image_id_str is not None
 
         logger.debug(f'Got real image_id {image_id_str}')
         return image_id_str
 
-    def _get_default_image(self, region_name: str, instance_type: str) -> str:
+    def _get_image_str(self, image_id: Optional[Dict[Optional[str], str]],
+                       instance_type: str, region: str):
+        if image_id is None:
+            image_str = self._get_default_image_tag(instance_type)
+        elif None in image_id:
+            image_str = image_id[None]
+        else:
+            assert region in image_id, image_id
+            image_str = image_id[region]
+        return image_str
+
+    def _get_default_image_tag(self, instance_type: str) -> str:
         acc = self.get_accelerators_from_instance_type(instance_type)
 
         if acc is None:
             image_tag = oci_utils.oci_config.get_default_image_tag()
-            image_id_str = service_catalog.get_image_id_from_tag(image_tag,
-                                                                 region_name,
-                                                                 clouds='oci')
         else:
             assert len(acc) == 1, acc
             image_tag = oci_utils.oci_config.get_default_gpu_image_tag()
-            image_id_str = service_catalog.get_image_id_from_tag(image_tag,
-                                                                 region_name,
-                                                                 clouds='oci')
 
-        if image_id_str is not None:
-            logger.debug(
-                f'Got default image_id {image_id_str} from tag {image_tag}')
-            return image_id_str
-
-        # Raise ResourcesUnavailableError to make sure the failover in
-        # CloudVMRayBackend will be correctly triggered.
-        # TODO(zhwu): This is a information leakage to the cloud implementor,
-        # we need to find a better way to handle this.
-        raise exceptions.ResourcesUnavailableError(
-            'ERR: No image found in catalog for region '
-            f'{region_name}. Try update your default image_id settings.')
+        return image_tag
 
     def get_vpu_from_disktier(
             self, cpus: Optional[float],
diff --git a/sky/clouds/service_catalog/oci_catalog.py b/sky/clouds/service_catalog/oci_catalog.py
index a18dee79be5..47d0489f6ab 100644
--- a/sky/clouds/service_catalog/oci_catalog.py
+++ b/sky/clouds/service_catalog/oci_catalog.py
@@ -7,6 +7,8 @@
  - Hysun He (hysun.he@oracle.com) @ Apr, 2023: Initial implementation
  - Hysun He (hysun.he@oracle.com) @ Jun, 2023: Reduce retry times by
    excluding those unsubscribed regions.
+ - Hysun He (hysun.he@oracle.com) @ Oct 14, 2024: Bug fix for validation
+   of the Marketplace images
 """
 
 import logging
@@ -206,4 +208,24 @@ def get_image_id_from_tag(tag: str, region: Optional[str]) -> Optional[str]:
 
 def is_image_tag_valid(tag: str, region: Optional[str]) -> bool:
     """Returns whether the image tag is valid."""
+    # Oct.14, 2024 by Hysun He: Marketplace images are region neutral, so don't
+    # check with region for the Marketplace images.
+    df = _image_df[_image_df['Tag'].str.fullmatch(tag)]
+    if df.empty:
+        return False
+    app_catalog_listing_id = df['AppCatalogListingId'].iloc[0]
+    if app_catalog_listing_id:
+        return True
     return common.is_image_tag_valid_impl(_image_df, tag, region)
+
+
+def get_image_os_from_tag(tag: str, region: Optional[str]) -> Optional[str]:
+    del region
+    df = _image_df[_image_df['Tag'].str.fullmatch(tag)]
+    if df.empty:
+        os_type = oci_utils.oci_config.get_default_image_os()
+    else:
+        os_type = df['OS'].iloc[0]
+
+    logger.debug(f'Operation system for the image {tag} is {os_type}')
+    return os_type
diff --git a/sky/clouds/utils/oci_utils.py b/sky/clouds/utils/oci_utils.py
index 3d11bab24da..86647071f3e 100644
--- a/sky/clouds/utils/oci_utils.py
+++ b/sky/clouds/utils/oci_utils.py
@@ -1,7 +1,9 @@
 """OCI Configuration.
 History:
- - Zhanghao Wu @ Oct 2023: Formatting and refactoring
  - Hysun He (hysun.he@oracle.com) @ Apr, 2023: Initial implementation
+ - Zhanghao Wu @ Oct 2023: Formatting and refactoring
+ - Hysun He (hysun.he@oracle.com) @ Oct, 2024: Add default image OS
+   configuration.
 """
 import logging
 import os
@@ -121,5 +123,13 @@ def get_profile(cls) -> str:
         return skypilot_config.get_nested(
             ('oci', 'default', 'oci_config_profile'), 'DEFAULT')
 
+    @classmethod
+    def get_default_image_os(cls) -> str:
+        # Get the default image OS. Instead of hardcoding, we give a choice to
+        # set the default image OS type in the sky's user-config file. (if not
+        # specified, use the hardcode one at last)
+        return skypilot_config.get_nested(('oci', 'default', 'image_os_type'),
+                                          'ubuntu')
+
 
 oci_config = OCIConfig()
diff --git a/sky/templates/oci-ray.yml.j2 b/sky/templates/oci-ray.yml.j2
index 32bd6326ee2..64fa4e745c7 100644
--- a/sky/templates/oci-ray.yml.j2
+++ b/sky/templates/oci-ray.yml.j2
@@ -16,7 +16,11 @@ provider:
   disable_launch_config_check: true
 
 auth:
+{% if os_type == "ubuntu" %}
   ssh_user: ubuntu
+{% else %}
+  ssh_user: opc
+{% endif %}
   ssh_private_key: {{ssh_private_key}}
 
 available_node_types:
@@ -85,14 +89,20 @@ setup_commands:
   # Line 'sudo grep ..': set the number of threads per process to unlimited to avoid ray job submit stucking issue when the number of running ray jobs increase.
   # Line 'mkdir -p ..': disable host key check
   # Line 'python3 -c ..': patch the buggy ray files and enable `-o allow_other` option for `goofys`
-  - sudo systemctl stop unattended-upgrades || true;
+  - echo "setup commands runs at $(date)" > /tmp/provision.tmp.out || true;
+    {%- if os_type == "ubuntu" %}
+    sudo systemctl stop unattended-upgrades || true;
     sudo systemctl disable unattended-upgrades || true;
     sudo sed -i 's/Unattended-Upgrade "1"/Unattended-Upgrade "0"/g' /etc/apt/apt.conf.d/20auto-upgrades || true;
     sudo kill -9 `sudo lsof /var/lib/dpkg/lock-frontend | awk '{print $2}' | tail -n 1` || true;
     sudo pkill -9 apt-get;
     sudo pkill -9 dpkg;
     sudo dpkg --configure -a;
-    ([ `sudo lshw -class display | grep "NVIDIA Corporation" | wc -l` -gt 0 ]) && (sudo which nvidia-smi > /dev/null || ( sudo apt-get install nvidia-driver-530-open -y && sudo apt-get install nvidia-driver-525-server -y ) || true);
+    {%- else %}
+    sudo /usr/libexec/oci-growfs -y || true;
+    sudo systemctl stop firewalld || true;
+    sudo systemctl disable firewalld || true;
+    {%- endif %}
     mkdir -p ~/.ssh; touch ~/.ssh/config;
     {{ conda_installation_commands }}
     {{ ray_skypilot_installation_commands }}