diff --git a/pkg/hostman/guestfs/fsdriver/drivers.go b/pkg/hostman/guestfs/fsdriver/drivers.go
index 1884bd207d..44993d48c3 100644
--- a/pkg/hostman/guestfs/fsdriver/drivers.go
+++ b/pkg/hostman/guestfs/fsdriver/drivers.go
@@ -42,8 +42,9 @@ func Init(initPrivatePrefixes []string, cloudrootDir string) error {
 	}
 
 	linuxFsDrivers := []newRootFsDriverFunc{
-		NewFangdeRootFs,
-		NewCentosRootFs, NewFedoraRootFs, NewAnolisRootFs, NewGalaxyKylinRootFs, NewRhelRootFs,
+		NewCentosRootFs, NewFedoraRootFs,
+		NewFangdeRootFs, NewUnionOSRootFs,
+		NewAnolisRootFs, NewGalaxyKylinRootFs, NewRhelRootFs,
 		NewFangdeDeskRootfs, NewUKylinRootfs,
 		NewDebianRootFs, NewCirrosRootFs, NewCirrosNewRootFs, NewUbuntuRootFs,
 		NewGentooRootFs, NewArchLinuxRootFs, NewOpenWrtRootFs, NewCoreOsRootFs,
diff --git a/pkg/hostman/guestfs/fsdriver/linux.go b/pkg/hostman/guestfs/fsdriver/linux.go
index 36d7cb9dc6..9ee887c68b 100644
--- a/pkg/hostman/guestfs/fsdriver/linux.go
+++ b/pkg/hostman/guestfs/fsdriver/linux.go
@@ -133,6 +133,11 @@ func (l *sLinuxRootFs) ChangeUserPasswd(rootFs IDiskPartition, account, gid, pub
 		} else {
 			secret, err = utils.EncryptAESBase64(gid, password)
 		}
+		// put /.autorelabel if selinux enabled
+		err = rootFs.FilePutContents("/.autorelabel", "", false, false)
+		if err != nil {
+			return "", errors.Wrap(err, "fail to put .autorelabel")
+		}
 	} else {
 		return "", fmt.Errorf("ChangeUserPasswd error: %v", err)
 	}
diff --git a/pkg/hostman/guestfs/fsdriver/uos.go b/pkg/hostman/guestfs/fsdriver/uos.go
new file mode 100644
index 0000000000..57b6b433a5
--- /dev/null
+++ b/pkg/hostman/guestfs/fsdriver/uos.go
@@ -0,0 +1,81 @@
+// Copyright 2019 Yunion
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package fsdriver
+
+import (
+	"strings"
+
+	"yunion.io/x/jsonutils"
+
+	"yunion.io/x/onecloud/pkg/cloudcommon/types"
+	deployapi "yunion.io/x/onecloud/pkg/hostman/hostdeployer/apis"
+)
+
+type SUnionOSRootFs struct {
+	*sRedhatLikeRootFs
+}
+
+func NewUnionOSRootFs(part IDiskPartition) IRootFsDriver {
+	return &SUnionOSRootFs{sRedhatLikeRootFs: newRedhatLikeRootFs(part)}
+}
+
+func (d *SUnionOSRootFs) GetName() string {
+	return "UOS/Server"
+}
+
+func (d *SUnionOSRootFs) String() string {
+	return "UOSSrvRootFs"
+}
+
+func (d *SUnionOSRootFs) RootSignatures() []string {
+	sigs := []string{"/etc/UnionTech-release"}
+	for _, sig := range d.sRedhatLikeRootFs.RootSignatures() {
+		if sig != "/etc/redhat-release" {
+			sigs = append(sigs, sig)
+		}
+	}
+	return sigs
+}
+
+func (d *SUnionOSRootFs) GetReleaseInfo(rootFs IDiskPartition) *deployapi.ReleaseInfo {
+	rel, _ := rootFs.FileGetContents("UnionTech-release", false)
+	var version string
+	if len(rel) > 0 {
+		relStr := string(rel)
+		endPos := strings.IndexByte(relStr, '(')
+		if endPos > 0 {
+			relStr = strings.TrimSpace(relStr[:endPos])
+		}
+		dat := strings.Split(relStr, " ")
+		version = dat[len(dat)-1]
+	}
+	return deployapi.NewReleaseInfo(d.GetName(), version, d.GetArch(rootFs))
+}
+
+func (d *SUnionOSRootFs) DeployNetworkingScripts(rootFs IDiskPartition, nics []*types.SServerNic) error {
+	relInfo := d.GetReleaseInfo(rootFs)
+	if err := d.sRedhatLikeRootFs.deployNetworkingScripts(rootFs, nics, relInfo, true); err != nil {
+		return err
+	}
+	return nil
+}
+
+func (c *SUnionOSRootFs) EnableSerialConsole(rootFs IDiskPartition, sysInfo *jsonutils.JSONDict) error {
+	return c.enableSerialConsole(c, rootFs, sysInfo)
+}
+
+func (c *SUnionOSRootFs) DisableSerialConsole(rootFs IDiskPartition) error {
+	return c.disableSerialConcole(c, rootFs)
+}