To update the configuration, use `mc admin config get` command to get the current configuration.

```sh
$ mc admin config get myminio/ notify_mqtt
notify_mqtt:1 broker="" password="" queue_dir="" queue_limit="0" reconnect_interval="0s"  keep_alive_interval="0s" qos="0" topic="" username=""
```

	default:
		m = cache.iamUsersMap
	}
	err := store.loadUser(ctx, accessKey, userType, m)

	if err == errNoSuchUser {
		// User was deleted - we update the cache.
		delete(m, accessKey)

		// Since cache was updated, we update the timestamp.
		defer func() {
			cache.updatedAt = time.Now()
		}()

		// 1. Start with updating user-group memberships

	if idx < 0 || idx >= len(x.versions) {
		return errFileNotFound
	}
	update := &x.versions[idx]
	prevMod := update.header.ModTime
	update.meta, err = ver.MarshalMsg(update.meta[:0:len(update.meta)])
	if err != nil {
		update.meta = nil
		return err
	}
	update.header = ver.header()
	if prevMod != update.header.ModTime {
		x.sortByModTime()
	}
	return nil
}

	svcAdmClient.SetCustomTransport(s.TestSuiteCommon.client.Transport)

	// Attempt to update the policy on the service account.
	err = svcAdmClient.UpdateServiceAccount(ctx, cr.AccessKey,
		madmin.UpdateServiceAccountReq{
			NewPolicy: fullS3PolicyBytes,
		})

	if err == nil {
		c.Fatalf("service account should not be able to update policy on itself")
	} else if !strings.Contains(err.Error(), "Access Denied") {

// - Range over all the available buckets
// - Check if a bucket has an entry in etcd backend
// -- If no, make an entry
// -- If yes, check if the entry matches local IP check if we
//
//	need to update the entry then proceed to update
//
// -- If yes, check if the IP of entry matches local IP.
//
//	This means entry is for this instance.
//
// -- If IP of the entry doesn't match, this means entry is
//

// update metadata.
func (er erasureObjects) CopyObject(ctx context.Context, srcBucket, srcObject, dstBucket, dstObject string, srcInfo ObjectInfo, srcOpts, dstOpts ObjectOptions) (oi ObjectInfo, err error) {
	if !dstOpts.NoAuditLog {
		auditObjectErasureSet(ctx, "CopyObject", dstObject, &er)
	}

	// This call shouldn't be used for anything other than metadata updates or adding self referential versions.

   * {@code factory}, and the multimap contents are all serializable.
   *
   * <p>The multimap is not threadsafe when any concurrent operations update the multimap, even if
   * {@code map} and the instances generated by {@code factory} are. Concurrent read operations will
   * work correctly. To allow concurrent update operations, wrap the multimap with a call to {@link
   * #synchronizedMultimap}.
   *

		for _, erObj := range z.sets {
			resultIndex++
			wg.Add(1)
			go func(i int, erObj *erasureObjects) {
				updates := make(chan dataUsageCache, 1)
				defer xioutil.SafeClose(updates)
				// Start update collector.
				go func() {
					defer wg.Done()
					for info := range updates {
						mu.Lock()
						results[i] = info
						mu.Unlock()
					}
				}()
				// Start scanner. Blocks until done.

common:rbe_linux_cuda --config=cuda_clang_official
common:rbe_linux_cuda --config=rbe_linux_cpu
# For Remote build execution -- GPU configuration
common:rbe_linux_cuda --repo_env=REMOTE_GPU_TESTING=1
# Update UMD version when RBE CUDA driver is updated.
common:rbe_linux_cuda --repo_env=HERMETIC_CUDA_UMD_VERSION="13.0.1"

common:rbe_linux_cuda_nvcc --config=rbe_linux_cuda
common:rbe_linux_cuda_nvcc --config=cuda_nvcc

	}
}

func TestScanNullValue(t *testing.T) {
	user := GetUser("scan_null_value", Config{})
	DB.Create(&user)

	if err := DB.Model(&user).Update("age", nil).Error; err != nil {
		t.Fatalf("failed to update column age for struct, got error %v", err)
	}

	var result User
	if err := DB.First(&result, "id = ?", user.ID).Error; err != nil {