////////////////////////////////////////////////////////////////////////////////
/// @brief dba guide guide
///
/// @file
///
/// DISCLAIMER
///
/// Copyright 2012 triagens GmbH, Cologne, Germany
///
/// 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.
///
/// Copyright holder is triAGENS GmbH, Cologne, Germany
///
/// @author Dr. Frank Celler
/// @author Copyright 2012, triAGENS GmbH, Cologne, Germany
////////////////////////////////////////////////////////////////////////////////

////////////////////////////////////////////////////////////////////////////////
/// @page DbaManual ArangoDB's DBA Manual
///
/// @if LATEX
/// <ul>
///  <li>@ref DbaManualBasics</li>
///  <li>@ref ShellCollection</li>
///  <li>@ref ShellIndex</li>
///  <li>@ref IndexCap</li>
///  <li>@ref IndexGeo</li>
///  <li>@ref IndexHash</li>
///  <li>@ref IndexSkiplist</li>
///
///  @latexonly\appendix@endlatexonly
///  <li>@ref Glossary</li>
/// </ul>
/// @else
/// @copydetails DbaManualBasicsTOC
/// @copydetails ShellCollectionTOC
/// @copydetails ShellIndexTOC
/// @copydetails IndexesTOC
/// @copydetails DbaManualAuthenticationTOC
/// @endif
////////////////////////////////////////////////////////////////////////////////

////////////////////////////////////////////////////////////////////////////////
/// @page DbaManualBasicsTOC
///
/// <ul>
///  <li>@ref DbaManualBasics
///   <ul>
///    <li>@ref DbaManualBasicsDurability</li>
///    <li>@ref DbaManualBasicsMvcc</li>
///    <li>@ref DbaManualBasicsConfig</li>
///   </ul>
///  </li>
/// </ul>
////////////////////////////////////////////////////////////////////////////////

////////////////////////////////////////////////////////////////////////////////
/// @page DbaManualBasics Administrating ArangoDB
///
/// @EMBEDTOC{DbaManualBasicsTOC}
///
/// @section DbaManualBasicsDurability Mostly Memory/Durability
///////////////////////////////////////////////////////////////
///
/// Database documents are stored in memory-mapped files. Per default, these
/// memory-mapped files are synced frequently - storing all documents securely
/// at once (durability).
///
/// @section DbaManualBasicsMvcc AppendOnly/MVCC
////////////////////////////////////////////////
/// 
/// Instead of overwriting existing documents, a completely new version of the
/// document is generated. The two benefits are:
///
/// - Objects can be stored coherently and compactly in the main memory.
/// - Objects are preserved-isolated writing and reading transactions allow
///   accessing these objects for parallel operations.
///
/// The system collects obsolete versions as garbage, recognizing them as
/// forsaken. Garbage collection is asynchronous and runs parallel to other
/// processes.
///
/// @section DbaManualBasicsConfig Configuration
////////////////////////////////////////////////
///
/// @copydetails JS_PropertiesVocbaseCol
////////////////////////////////////////////////////////////////////////////////

////////////////////////////////////////////////////////////////////////////////
/// @page DbaManualAuthenticationTOC
///
/// <ul>
///  <li>@ref DbaManualAuthentication
///   <ul>
///    <li>@ref DbaManualAuthenticationCommandLine</li>
///   </ul>
///  </li>
/// </ul>
////////////////////////////////////////////////////////////////////////////////

////////////////////////////////////////////////////////////////////////////////
/// @page DbaManualAuthentication Authentication and Authorisation
///
/// @EMBEDTOC{DbaManualAuthenticationTOC}
///
/// ArangoDB only provides a very simple authentication interface and
/// no authorisation. We plan to add authorisation features in later
/// releases, which will allow the administrator to restrict access to
/// collections and queries to certain users, given them either read
/// or write access.
///
/// Currently, you can only secure the access to the HTTP client and
/// admin port in a all-or-nothing fashion.
/// The collection @LIT{_users} contains all user and the SHA256 of
/// their passwords. A user can be active or inactive. A typical document
/// of this collection is
///
/// @verbinclude user-document
///
/// If the server is started using the option 
///
/// @LIT{--server.http-auth yes}
///
/// then access via HTTP requires a user name and password using "basic
/// authentication". The user must exists in the @LIT{_users}
/// collection and must be active.
///
/// In order to generate an entry, you can use the supplied shell script
///
/// @LIT{/usr/sbin/arango-password \<username> [\<password>]}
///
/// Note that you must stop the @LIT{arangod} server before executing this
/// script.
///
/// @section DbaManualAuthenticationCommandLine Command-Line Options for the Authentication and Authorisation
/////////////////////////////////////////////////////////////////////////////////////////////////////////////
///
/// @anchor CommandLineArangoHttpAuth
/// @copydetails triagens::arango::ArangoServer::_httpAuth
////////////////////////////////////////////////////////////////////////////////

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