diff --git a/has-project/has-client/src/main/java/org/apache/kerby/has/client/HasInitClient.java b/has-project/has-client/src/main/java/org/apache/kerby/has/client/HasInitClient.java
new file mode 100644
index 0000000..5d28867
--- /dev/null
+++ b/has-project/has-client/src/main/java/org/apache/kerby/has/client/HasInitClient.java
@@ -0,0 +1,123 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you 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
+ * <p>
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * <p>
+ * 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 org.apache.kerby.has.client;
+
+import com.sun.jersey.api.client.Client;
+import com.sun.jersey.api.client.ClientResponse;
+import com.sun.jersey.api.client.WebResource;
+import com.sun.jersey.api.client.config.ClientConfig;
+import com.sun.jersey.api.client.config.DefaultClientConfig;
+import com.sun.jersey.client.urlconnection.HTTPSProperties;
+import com.sun.jersey.core.util.MultivaluedMapImpl;
+import org.apache.kerby.has.common.HasConfig;
+import org.codehaus.jettison.json.JSONException;
+import org.codehaus.jettison.json.JSONObject;
+import org.glassfish.jersey.SslConfigurator;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import javax.net.ssl.HostnameVerifier;
+import javax.net.ssl.SSLContext;
+import javax.net.ssl.SSLSession;
+import javax.ws.rs.core.MultivaluedMap;
+import java.io.File;
+import java.io.IOException;
+import java.io.InputStream;
+import java.net.HttpURLConnection;
+import java.net.URL;
+
+/**
+ * HAS client API for applications to interact with HAS server
+ */
+public class HasInitClient {
+
+    public static final Logger LOG = LoggerFactory.getLogger(HasInitClient.class);
+
+    private HasConfig hasConfig;
+    private File confDir;
+
+    public HasInitClient(HasConfig hasConfig, File confDir) {
+        this.hasConfig = hasConfig;
+        this.confDir = confDir;
+    }
+
+    public File getConfDir() {
+        return confDir;
+    }
+
+    private WebResource getWebResource(String restName) {
+        Client client;
+        String server = null;
+        if (hasConfig.getHttpsPort() != null && hasConfig.getHttpsHost() != null) {
+            server = "https://" + hasConfig.getHttpsHost() + ":" + hasConfig.getHttpsPort()
+                    + "/has/v1/" + restName;
+            LOG.info("Admin request url: " + server);
+            HasConfig conf = new HasConfig();
+            try {
+                conf.addIniConfig(new File(hasConfig.getSslClientConf()));
+            } catch (IOException e) {
+                throw new RuntimeException("Errors occurred when adding ssl conf. "
+                    + e.getMessage());
+            }
+            SslConfigurator sslConfigurator = SslConfigurator.newInstance()
+                    .trustStoreFile(conf.getString("ssl.client.truststore.location"))
+                    .trustStorePassword(conf.getString("ssl.client.truststore.password"));
+            sslConfigurator.securityProtocol("SSL");
+            SSLContext sslContext = sslConfigurator.createSSLContext();
+            ClientConfig clientConfig = new DefaultClientConfig();
+            clientConfig.getProperties().put(HTTPSProperties.PROPERTY_HTTPS_PROPERTIES,
+                    new HTTPSProperties(new HostnameVerifier() {
+                        @Override
+                        public boolean verify(String s, SSLSession sslSession) {
+                            return false;
+                        }
+                    }, sslContext));
+            client = Client.create(clientConfig);
+        } else {
+            client = Client.create();
+        }
+        if (server == null) {
+            throw new RuntimeException("Please set the https address and port.");
+        }
+        return client.resource(server);
+    }
+
+    public void startKdc() {
+        WebResource webResource = getWebResource("init/kdcstart");
+        ClientResponse response = webResource.get(ClientResponse.class);
+        try {
+            JSONObject result = new JSONObject(response.getEntity(String.class));
+            if (result.getString("result").equals("success")) {
+                System.out.println(result.getString("msg"));
+            } else {
+                System.err.println(result.getString("msg"));
+            }
+        } catch (JSONException e) {
+            System.err.println(e.getMessage());
+        }
+    }
+
+    public InputStream initKdc() {
+        WebResource webResource = getWebResource("init/kdcinit");
+        ClientResponse response = webResource.get(ClientResponse.class);
+        if (response.getStatus() == 200) {
+            return response.getEntityInputStream();
+        }
+        return null;
+    }
+}
diff --git a/has-project/has-server/src/main/java/org/apache/kerby/has/server/HasServer.java b/has-project/has-server/src/main/java/org/apache/kerby/has/server/HasServer.java
index e14e619..8608bf0 100644
--- a/has-project/has-server/src/main/java/org/apache/kerby/has/server/HasServer.java
+++ b/has-project/has-server/src/main/java/org/apache/kerby/has/server/HasServer.java
@@ -141,6 +141,23 @@
         setHttpFilter();
     }
 
+    public File initKdcServer() throws KrbException {
+        File adminKeytabFile = new File(workDir, "admin.keytab");
+        LocalKadmin kadmin = new LocalKadminImpl(kdcServer.getKdcSetting(),
+            kdcServer.getIdentityService());
+        if (adminKeytabFile.exists()) {
+            throw new KrbException("KDC Server is already inited.");
+        }
+        kadmin.createBuiltinPrincipals();
+        kadmin.exportKeytab(adminKeytabFile, kadmin.getKadminPrincipal());
+        System.out.println("The keytab for kadmin principal "
+            + " has been exported to the specified file "
+            + adminKeytabFile.getAbsolutePath() + ", please safely keep it, "
+            + "in order to use kadmin tool later");
+
+        return adminKeytabFile;
+    }
+
     private void setHttpFilter() throws HasException {
         File httpKeytabFile = new File(workDir, "http.keytab");
         LocalKadmin kadmin = new LocalKadminImpl(kdcServer.getKdcSetting(),
diff --git a/has-project/has-server/src/main/java/org/apache/kerby/has/server/web/WebServer.java b/has-project/has-server/src/main/java/org/apache/kerby/has/server/web/WebServer.java
index 15e817c..abf3a9a 100644
--- a/has-project/has-server/src/main/java/org/apache/kerby/has/server/web/WebServer.java
+++ b/has-project/has-server/src/main/java/org/apache/kerby/has/server/web/WebServer.java
@@ -28,6 +28,7 @@
 import org.apache.kerby.has.common.HasConfig;
 import org.apache.kerby.has.common.HasException;
 import org.apache.kerby.has.server.HasServer;
+import org.apache.kerby.has.server.web.rest.AsRequestApi;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
@@ -58,6 +59,16 @@
         return conf;
     }
 
+    private void init() {
+
+        final String pathSpec = "/has/v1/*";
+
+        // add has packages
+        httpServer.addJerseyResourcePackage(AsRequestApi.class
+                .getPackage().getName(),
+            pathSpec);
+    }
+
     public void defineFilter() {
         String authType = conf.getString(WebConfigKey.HAS_AUTHENTICATION_FILTER_AUTH_TYPE);
         if (authType.equals("kerberos")) {
@@ -170,6 +181,8 @@
             throw new HasException("Errors occurred when building http server. " + e.getMessage());
         }
 
+        init();
+
         try {
             httpServer.start();
         } catch (IOException e) {
diff --git a/has-project/has-server/src/main/java/org/apache/kerby/has/server/web/rest/HasApi.java b/has-project/has-server/src/main/java/org/apache/kerby/has/server/web/rest/AsRequestApi.java
similarity index 97%
rename from has-project/has-server/src/main/java/org/apache/kerby/has/server/web/rest/HasApi.java
rename to has-project/has-server/src/main/java/org/apache/kerby/has/server/web/rest/AsRequestApi.java
index eaa3587..6415161 100644
--- a/has-project/has-server/src/main/java/org/apache/kerby/has/server/web/rest/HasApi.java
+++ b/has-project/has-server/src/main/java/org/apache/kerby/has/server/web/rest/AsRequestApi.java
@@ -53,7 +53,7 @@
  * HAS web methods implementation.
  */
 @Path("")
-public class HasApi {
+public class AsRequestApi {
 
     @Context
     private ServletContext context;
@@ -146,6 +146,6 @@
             }
             return Response.ok(js).type(MediaType.APPLICATION_JSON).build();
         }
-        return Response.status(403).entity("HTTPS required.\n").build();
+        return Response.status(Response.Status.FORBIDDEN).entity("HTTPS required.\n").build();
     }
 }
diff --git a/has-project/has-server/src/main/java/org/apache/kerby/has/server/web/rest/HadminApi.java b/has-project/has-server/src/main/java/org/apache/kerby/has/server/web/rest/HadminApi.java
index a7febc1..f81a266 100644
--- a/has-project/has-server/src/main/java/org/apache/kerby/has/server/web/rest/HadminApi.java
+++ b/has-project/has-server/src/main/java/org/apache/kerby/has/server/web/rest/HadminApi.java
@@ -54,7 +54,7 @@
 /**
  * HAS Admin web methods implementation.
  */
-@Path("/admin")
+@Path("/hadmin")
 public class HadminApi {
 
     @Context
diff --git a/has-project/has-server/src/main/java/org/apache/kerby/has/server/web/rest/InitApi.java b/has-project/has-server/src/main/java/org/apache/kerby/has/server/web/rest/InitApi.java
new file mode 100644
index 0000000..6e1cc6e
--- /dev/null
+++ b/has-project/has-server/src/main/java/org/apache/kerby/has/server/web/rest/InitApi.java
@@ -0,0 +1,96 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you 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
+ * <p>
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * <p>
+ * 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 org.apache.kerby.has.server.web.rest;
+
+import org.apache.kerby.has.common.HasException;
+import org.apache.kerby.has.server.HasServer;
+import org.apache.kerby.has.server.web.WebServer;
+import org.apache.kerby.kerberos.kerb.KrbException;
+import org.codehaus.jettison.json.JSONObject;
+
+import javax.servlet.ServletContext;
+import javax.servlet.http.HttpServletRequest;
+import javax.ws.rs.GET;
+import javax.ws.rs.Path;
+import javax.ws.rs.Produces;
+import javax.ws.rs.core.Context;
+import javax.ws.rs.core.MediaType;
+import javax.ws.rs.core.Response;
+import java.io.File;
+
+/**
+ * HAS initialize methods implementation.
+ */
+@Path("/init")
+public class InitApi {
+
+    @Context
+    private ServletContext context;
+
+    @Context
+    private HttpServletRequest httpRequest;
+
+    @GET
+    @Path("/kdcinit")
+    @Produces(MediaType.TEXT_PLAIN)
+    public Response kdcInit() {
+        if (httpRequest.isSecure()) {
+            final HasServer hasServer = WebServer.getHasServerFromContext(context);
+            String msg;
+            try {
+                File adminKeytab = hasServer.initKdcServer();
+                return Response.ok(adminKeytab).header("Content-Disposition",
+                    "attachment; filename=" + adminKeytab.getName()).build();
+            } catch (KrbException e) {
+                msg = "Failed to initialize KDC, because: " + e.getMessage();
+                WebServer.LOG.error(msg);
+                return Response.status(Response.Status.INTERNAL_SERVER_ERROR).entity(msg).build();
+            }
+        }
+        return Response.status(Response.Status.FORBIDDEN).entity("HTTPS required.\n").build();
+    }
+
+    @GET
+    @Path("/kdcstart")
+    @Produces(MediaType.TEXT_PLAIN)
+    public Response kdcStart() {
+        if (httpRequest.isSecure()) {
+            final HasServer hasServer = WebServer.getHasServerFromContext(context);
+            JSONObject result = new JSONObject();
+            String msg;
+            try {
+                hasServer.startKdcServer();
+            } catch (HasException e) {
+                msg = "Failed to start kdc server, because: " + e.getMessage();
+                WebServer.LOG.error(msg);
+                return Response.status(Response.Status.INTERNAL_SERVER_ERROR).entity(msg).build();
+            }
+            try {
+                msg = "Succeed in starting KDC server.";
+                result.put("result", "success");
+                result.put("msg", msg);
+                return Response.ok(result.toString()).build();
+            } catch (Exception e) {
+                msg = "Failed to start kdc server, because: " + e.getMessage();
+                WebServer.LOG.error(msg);
+                return Response.status(Response.Status.INTERNAL_SERVER_ERROR).entity(msg).build();
+            }
+        }
+        return Response.status(Response.Status.FORBIDDEN).entity("HTTPS required.\n").build();
+    }
+}
diff --git a/has-project/has-server/src/main/java/org/apache/kerby/has/server/web/rest/KadminApi.java b/has-project/has-server/src/main/java/org/apache/kerby/has/server/web/rest/KadminApi.java
index 1e8e82c..6445156 100644
--- a/has-project/has-server/src/main/java/org/apache/kerby/has/server/web/rest/KadminApi.java
+++ b/has-project/has-server/src/main/java/org/apache/kerby/has/server/web/rest/KadminApi.java
@@ -45,6 +45,7 @@
 /**
  * Kadmin web methods implementation.
  */
+@Path("/kadmin")
 public class KadminApi {
     @Context
     private ServletContext context;
diff --git a/kerby-dist/has-dist/bin/hasinit.sh b/kerby-dist/has-dist/bin/hasinit.sh
new file mode 100644
index 0000000..2bbbf6a
--- /dev/null
+++ b/kerby-dist/has-dist/bin/hasinit.sh
@@ -0,0 +1,56 @@
+#!/usr/bin/env bash
+
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you 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.
+
+CONF_DIR=$1
+APP_MAIN=org.apache.kerby.kerberos.tool.HasInitTool
+
+# Reset HAS_CONF_DIR if CONF_DIR not null
+if [ "$CONF_DIR" != "" ]; then
+  if [ ! -d "$CONF_DIR" ]; then
+    echo "[ERROR] ${CONF_DIR} is not a directory"
+    usage
+  fi
+else
+  if [ "$HAS_CONF_DIR" != "" ] && [ -d "$HAS_CONF_DIR" ]; then
+    CONF_DIR=${HAS_CONF_DIR}
+  else
+    echo "[ERROR] HAS_CONF_DIR is null or not a directory"
+    exit
+  fi
+fi
+
+# Load HAS environment variables
+if [ -f "${CONF_DIR}/has-env.sh" ]; then
+  . "${CONF_DIR}/has-env.sh"
+fi
+
+# Get HAS_HOME directory
+bin=`dirname "$0"`
+HAS_HOME=`cd ${bin}/..; pwd`
+cd ${HAS_HOME}
+
+for var in $*; do
+  if [ X"$var" = X"-D" ]; then
+    DEBUG="-Xdebug -Xrunjdwp:transport=dt_socket,address=8011,server=y,suspend=y"
+  fi
+done
+
+echo "[INFO] conf_dir=$CONF_DIR"
+HAS_OPTS="-DHAS_LOGFILE=kdcinit"
+
+java ${DEBUG} -classpath target/lib/*:. ${HAS_OPTS} ${APP_MAIN} ${CONF_DIR}
diff --git a/kerby-dist/has-dist/conf/hadmin.conf b/kerby-dist/has-dist/conf/hadmin.conf
new file mode 100644
index 0000000..e950aea
--- /dev/null
+++ b/kerby-dist/has-dist/conf/hadmin.conf
@@ -0,0 +1,6 @@
+[HAS]
+    https_host = plusplus-desktop
+    https_port = 8092
+    admin_keytab = /etc/has/admin.keytab
+    admin_keytab_principal = kadmin/HADOOP.COM@HADOOP.COM
+    filter_auth_type = kerberos
diff --git a/kerby-dist/has-dist/pom.xml b/kerby-dist/has-dist/pom.xml
index bea34d4..882be35 100644
--- a/kerby-dist/has-dist/pom.xml
+++ b/kerby-dist/has-dist/pom.xml
@@ -19,6 +19,11 @@
       <artifactId>has-server</artifactId>
       <version>${project.version}</version>
     </dependency>
+    <dependency>
+      <groupId>org.apache.kerby</groupId>
+      <artifactId>has-tool</artifactId>
+      <version>${project.version}</version>
+    </dependency>
   </dependencies>
 
    <build>
diff --git a/kerby-tool/has-tool/pom.xml b/kerby-tool/has-tool/pom.xml
new file mode 100644
index 0000000..36328ed
--- /dev/null
+++ b/kerby-tool/has-tool/pom.xml
@@ -0,0 +1,28 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <parent>
+        <artifactId>kerby-tool</artifactId>
+        <groupId>org.apache.kerby</groupId>
+        <version>1.1.1-SNAPSHOT</version>
+    </parent>
+    <modelVersion>4.0.0</modelVersion>
+
+    <artifactId>has-tool</artifactId>
+
+    <dependencies>
+      <dependency>
+        <groupId>org.apache.kerby</groupId>
+        <artifactId>has-client</artifactId>
+        <version>${project.version}</version>
+      </dependency>
+      <dependency>
+        <groupId>org.apache.kerby</groupId>
+        <artifactId>has-common</artifactId>
+        <version>${project.version}</version>
+      </dependency>
+    </dependencies>
+
+
+</project>
\ No newline at end of file
diff --git a/kerby-tool/has-tool/src/main/java/org/apache/kerby/kerberos/tool/HasInitTool.java b/kerby-tool/has-tool/src/main/java/org/apache/kerby/kerberos/tool/HasInitTool.java
new file mode 100644
index 0000000..bd0a466
--- /dev/null
+++ b/kerby-tool/has-tool/src/main/java/org/apache/kerby/kerberos/tool/HasInitTool.java
@@ -0,0 +1,108 @@
+/**
+ *  Licensed to the Apache Software Foundation (ASF) under one
+ *  or more contributor license agreements.  See the NOTICE file
+ *  distributed with this work for additional information
+ *  regarding copyright ownership.  The ASF licenses this file
+ *  to you 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 org.apache.kerby.kerberos.tool;
+
+import org.apache.kerby.has.client.HasInitClient;
+import org.apache.kerby.has.common.HasConfig;
+import org.apache.kerby.has.common.HasException;
+import org.apache.kerby.has.common.util.HasUtil;
+import org.apache.kerby.kerberos.kerb.KrbException;
+import org.apache.kerby.kerberos.tool.cmd.InitKdcCmd;
+import org.apache.kerby.kerberos.tool.cmd.StartKdcCmd;
+import org.apache.kerby.kerberos.tool.cmd.InitCmd;
+import org.apache.kerby.util.OSUtil;
+
+import java.io.File;
+import java.util.Scanner;
+
+public class HasInitTool {
+    private static final String PROMPT = HasInitTool.class.getSimpleName();
+    private static final String USAGE = (OSUtil.isWindows()
+            ? "Usage: bin\\hasinit.cmd" : "Usage: sh bin/hasinit.sh")
+            + " <conf-file>\n"
+            + "\tExample:\n"
+            + "\t\t"
+            + (OSUtil.isWindows()
+            ? "bin\\hasinit.cmd" : "sh bin/hasinit.sh")
+            + " conf\n";
+
+    private static final String LEGAL_COMMANDS = "Available commands are: "
+            + "\n"
+            + "start_kdc, start\n"
+            + "                         Start kdc\n"
+            + "init_kdc, init\n"
+            + "                         Init kdc\n";
+
+    public static void main(String[] args) {
+        if (args.length < 1) {
+            System.err.println(USAGE);
+            System.exit(1);
+        }
+        String confDirPath = args[0];
+        File confFile = new File(confDirPath, "hadmin.conf");
+        HasConfig hasConfig;
+        try {
+            hasConfig = HasUtil.getHasConfig(confFile);
+        } catch (HasException e) {
+            System.err.println(e.getMessage());
+            return;
+        }
+
+        System.out.println(LEGAL_COMMANDS);
+        System.out.println("enter \"<cmd> [?][-help]\" to get cmd help.");
+        Scanner scanner = new Scanner(System.in, "UTF-8");
+        System.out.print(PROMPT + ": ");
+        String input = scanner.nextLine();
+
+        HasInitClient hasInitClient = new HasInitClient(hasConfig, new File(confDirPath));
+        while (!(input.equals("quit") || input.equals("exit") || input.equals("q"))) {
+            try {
+                execute(hasInitClient, input);
+            } catch (KrbException e) {
+                System.err.println(e.getMessage());
+            }
+            System.out.print(PROMPT + ": ");
+            input = scanner.nextLine();
+        }
+    }
+
+    private static void execute(HasInitClient hasInitClient, String input) throws KrbException {
+        input = input.trim();
+        if (input.startsWith("cmd")) {
+            System.out.println(LEGAL_COMMANDS);
+            return;
+        }
+        String[] items = input.split("\\s+");
+        String cmd = items[0];
+
+        InitCmd executor;
+        if (cmd.equals("start_kdc")
+            || cmd.equals("start")) {
+            executor = new StartKdcCmd(hasInitClient);
+        } else if (cmd.equals("init_kdc")
+            || cmd.equals("init")) {
+            executor = new InitKdcCmd(hasInitClient);
+        } else {
+            System.out.println(LEGAL_COMMANDS);
+            return;
+        }
+        executor.execute(items);
+    }
+}
diff --git a/kerby-tool/has-tool/src/main/java/org/apache/kerby/kerberos/tool/cmd/InitCmd.java b/kerby-tool/has-tool/src/main/java/org/apache/kerby/kerberos/tool/cmd/InitCmd.java
new file mode 100644
index 0000000..c03d5bd
--- /dev/null
+++ b/kerby-tool/has-tool/src/main/java/org/apache/kerby/kerberos/tool/cmd/InitCmd.java
@@ -0,0 +1,42 @@
+/**
+ *  Licensed to the Apache Software Foundation (ASF) under one
+ *  or more contributor license agreements.  See the NOTICE file
+ *  distributed with this work for additional information
+ *  regarding copyright ownership.  The ASF licenses this file
+ *  to you 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 org.apache.kerby.kerberos.tool.cmd;
+
+import org.apache.kerby.has.client.HasInitClient;
+import org.apache.kerby.kerberos.kerb.KrbException;
+
+public abstract class InitCmd {
+
+    private HasInitClient client;
+
+    public InitCmd(HasInitClient client) {
+        this.client = client;
+    }
+
+    protected HasInitClient getClient() {
+        return client;
+    }
+
+    /**
+     * Execute the kdc init cmd.
+     * @param input Input cmd to execute
+     */
+    public abstract void execute(String[] input) throws KrbException;
+}
diff --git a/kerby-tool/has-tool/src/main/java/org/apache/kerby/kerberos/tool/cmd/InitKdcCmd.java b/kerby-tool/has-tool/src/main/java/org/apache/kerby/kerberos/tool/cmd/InitKdcCmd.java
new file mode 100644
index 0000000..63fe30a
--- /dev/null
+++ b/kerby-tool/has-tool/src/main/java/org/apache/kerby/kerberos/tool/cmd/InitKdcCmd.java
@@ -0,0 +1,90 @@
+/**
+ *  Licensed to the Apache Software Foundation (ASF) under one
+ *  or more contributor license agreements.  See the NOTICE file
+ *  distributed with this work for additional information
+ *  regarding copyright ownership.  The ASF licenses this file
+ *  to you 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 org.apache.kerby.kerberos.tool.cmd;
+
+import org.apache.kerby.has.client.HasInitClient;
+import org.apache.kerby.kerberos.kerb.KrbException;
+
+import java.io.File;
+import java.io.FileNotFoundException;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.io.InputStream;
+
+/**
+ * Remote init kdc cmd
+ */
+public class InitKdcCmd extends InitCmd {
+
+    public static final String USAGE = "Usage: init_kdc [-p] [path]\n"
+        + "\tExample:\n"
+        + "\t\tinit_kdc\n";
+
+    public InitKdcCmd(HasInitClient client) {
+        super(client);
+    }
+
+    @Override
+    public void execute(String[] items) throws KrbException {
+        if (items.length >= 2 && (items[1].startsWith("?") || items[1].startsWith("-help"))) {
+                System.out.println(USAGE);
+            return;
+        }
+        File path = getClient().getConfDir();
+        if (items.length >= 3 && items[1].startsWith("-p")) {
+            path = new File(items[2]);
+            if (!path.exists() && !path.mkdirs()) {
+                System.err.println("Cannot create file : " + items[2]);
+                return;
+            }
+        }
+        File adminKeytab = new File(path, "admin.keytab");
+
+        HasInitClient client = getClient();
+        InputStream content = client.initKdc();
+
+        if (content == null) {
+            System.err.println("Failed to init kdc.");
+            return;
+        }
+
+        FileOutputStream fos = null;
+        try {
+            fos = new FileOutputStream(adminKeytab);
+        } catch (FileNotFoundException e) {
+            System.err.println("the admin keytab file not found. " + e.getMessage());
+        }
+        byte[] buffer = new byte[4 * 1024];
+        int read;
+        try {
+            while ((read = content.read(buffer)) > 0) {
+                fos.write(buffer, 0, read);
+            }
+            fos.close();
+            content.close();
+        } catch (IOException e) {
+            System.err.println("Errors occurred when getting the admin.keytab. " + e.getMessage());
+        }
+
+        System.out.println("admin.keytab has saved in : " + adminKeytab.getAbsolutePath()
+            + ",\nplease safely save it to use kadmin.");
+
+    }
+}
diff --git a/kerby-tool/has-tool/src/main/java/org/apache/kerby/kerberos/tool/cmd/StartKdcCmd.java b/kerby-tool/has-tool/src/main/java/org/apache/kerby/kerberos/tool/cmd/StartKdcCmd.java
new file mode 100644
index 0000000..05c9932
--- /dev/null
+++ b/kerby-tool/has-tool/src/main/java/org/apache/kerby/kerberos/tool/cmd/StartKdcCmd.java
@@ -0,0 +1,52 @@
+/**
+ *  Licensed to the Apache Software Foundation (ASF) under one
+ *  or more contributor license agreements.  See the NOTICE file
+ *  distributed with this work for additional information
+ *  regarding copyright ownership.  The ASF licenses this file
+ *  to you 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 org.apache.kerby.kerberos.tool.cmd;
+
+import org.apache.kerby.has.client.HasInitClient;
+import org.apache.kerby.kerberos.kerb.KrbException;
+
+/**
+ * Remote start kdc cmd
+ */
+public class StartKdcCmd extends InitCmd {
+
+    public static final String USAGE = "Usage: start_kdc\n"
+        + "\tExample:\n"
+        + "\t\tstart\n";
+
+    public StartKdcCmd(HasInitClient client) {
+        super(client);
+    }
+
+    @Override
+    public void execute(String[] items) throws KrbException {
+        if (items.length >= 2 && (items[1].startsWith("?") || items[1].startsWith("-help"))) {
+                System.out.println(USAGE);
+                return;
+        }
+
+        if (items.length != 1) {
+            System.err.println(USAGE);
+            return;
+        }
+        HasInitClient client = getClient();
+        client.startKdc();
+    }
+}
diff --git a/kerby-tool/pom.xml b/kerby-tool/pom.xml
index af99196..4fd24d3 100644
--- a/kerby-tool/pom.xml
+++ b/kerby-tool/pom.xml
@@ -28,6 +28,7 @@
   <modules>
     <module>client-tool</module>
     <module>kdc-tool</module>
+    <module>has-tool</module>
   </modules>
 
 </project>