old_contents: #
  # Copyright 2014 Microsoft Corporation
  #
  # 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.
  #
  # Requires Python 2.4+ and Openssl 1.0+
  #
  
  import os
  import re
  import pwd
  import shutil
  import socket
  import array
  import struct
  import fcntl
  import time
  import base64
  import azurelinuxagent.common.logger as logger
  import azurelinuxagent.common.utils.fileutil as fileutil
  import azurelinuxagent.common.utils.shellutil as shellutil
  import azurelinuxagent.common.utils.textutil as textutil
  from azurelinuxagent.common.osutil.default import DefaultOSUtil
  
  class DebianOSUtil(DefaultOSUtil):
      def __init__(self):
          super(DebianOSUtil, self).__init__()
  
      def restart_ssh_service(self):
          return shellutil.run("service sshd restart", chk_err=False)
  
      def stop_agent_service(self):
          return shellutil.run("service azurelinuxagent stop", chk_err=False)
  
      def start_agent_service(self):
          return shellutil.run("service azurelinuxagent start", chk_err=False)
  
  
new_contents: #
  # Copyright 2014 Microsoft Corporation
  #
  # 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.
  #
  # Requires Python 2.4+ and Openssl 1.0+
  #
  
  import os
  import re
  import pwd
  import shutil
  import socket
  import array
  import struct
  import fcntl
  import time
  import base64
  import azurelinuxagent.common.logger as logger
  import azurelinuxagent.common.utils.fileutil as fileutil
  import azurelinuxagent.common.utils.shellutil as shellutil
  import azurelinuxagent.common.utils.textutil as textutil
  from azurelinuxagent.common.osutil.default import DefaultOSUtil
  
  class DebianOSUtil(DefaultOSUtil):
      def __init__(self):
          super(DebianOSUtil, self).__init__()
  
      def restart_ssh_service(self):
          return shellutil.run("systemctl --job-mode=ignore-dependencies try-reload-or-restart ssh", chk_err=False)
  
      def stop_agent_service(self):
          raise NotImplementedError
  
      def start_agent_service(self):
          raise NotImplementedError
  
      def start_network(self):
          raise NotImplementedError
  
      def remove_rules_files(self, rules_files=""):
          pass
  
      def restore_rules_files(self, rules_files=""):
          pass
  
      def get_dhcp_lease_endpoint(self):
          return self.get_endpoint_from_leases_path('/var/lib/dhcp/dhclient.*.leases')
  
subject: apply patch from Debian (#565)