hadoop kerberos

Today, trying to configure Kerberos on the Hadoop 2.x development cluster, I've encountered some problems and recorded Set up Hadoop security Core-site.xml Hadoop.security.authentication default is simple, that is, based on the Linux operating system authentication method, the client calls the WhoAmI command, and then RPC call to the server, It is easy

, and there is no dependency, you can continue with this section. Otherwise can jump to the following sectionStart > All Programs > AccessoriesLaunch a Command Prompt as an administratorTo add the dependency, type the following command: "SC config c2wts depend= cryptsvc"Note that a space was required between the equal sign and the valueYou can then go back to the Services list and check for the ' Claims to Windows Token ' service that the dependency have been Added SharePoint 2013 Platform

As the saying goes, everything starts hard. In software development, environment deployment is the first threshold. In MRv1 mode, cdh5.0.2.tar.gz is successfully integrated with Kerberos Security Authentication and is in full-distributed mode. After this installation process, we have a deep understanding of hadoop. Now, after you build the ring As the saying goes, everything starts hard. In software develop

authenticated user 3.2.3 Certified User Kinit-kt/xx/xx/kerberos.keytab HDFS/HADOOP1 3.2.4 deletes the current authenticated cache Kdestroy 3.3 FAQ 3.3.1 See if ticket is renewable View through the klist command If the value of the valid starting is the same as the renew until, the principal of the ticket is not renwable. 3.3.2 Ticket cannot be updated If you pass the expires, you can update the ticket by command Kinit–rBut if ticket cannot update [root@vmw201 ~]$ kinit-r k

/changepw 5. edit/etc/services# Kerberos (Project Athena/MIT) Services# Kerberos 88/udp KDC # Kerberos 5 KDC# Kerberos 88/tcp KDC # Kerberos 5 KDC# Klogin 543/tcp # Kerberos rlogin-kfall# Kshell 544/tcp krcmd #

The Microsoft Windows Server 2003 operating system implements the authentication protocol for Kerberos version 5. Windows Server 2003 also extends public key authentication. The client for Kerberos authentication is implemented as a SSP (security support provider) that can be accessed through SSPI (Security Support Provider Interface. Initial User Authentication was integrated with Winlogon's Single Sign-On

From: http://technet.microsoft.com/zh-cn/magazine/ee914605.aspx Although SharePoint provides multiple authentication options and authentication regions, the two most common options implemented by enterprises in the Intranet solution are NTLM and Kerberos. Both protocols are used to integrate Windows Authentication in a typical question/response solution. NTLM relies on IIS to generate a token during the Query Process, send the token to the cli

(from cache or ticket). In such cases, it's prudent to throw a runtime exception if we receive a saslexception from the underlying Authenticati On implementation, so there are no retry from the other high level (for eg, HCM or hbaseadmin). Other than that:[Org.apache.hadoop.security.UserGroupInformation] not attempting to re-login since the last Re-login is attempted less th An seconds before.This error is actually caused by a hard code value in Usergroupinformation, min_time_before_relogi

Http://blog.163.com/jobshot/blog/static/947091982008118105524719/ I. Basic Principles Authentication solves the problem of "how to prove that a person is indeed the one he or she claims. For how to authentication, we adopt this method: If a secret exists only in A and B, then one person claims to B that he is, B asks a to provide this secret to prove that this person is the he or she claims. This process actually involves three important aspects about authentication: How to express

A few days ago in explaining how Windows was authentication through Kerberos, it was a long time to talk about the man and almost put himself in. Then think of the following two points: for a person who does not fully understand Kerberos, the whole authentication process of Kerberos does not really understand--a moment to encrypt this key, and then another key to

BackgroundToday, when using JAVAAPI to connect sqoop1.99.7, I encountered an error.The error message is as follows:0 [main] WARN org.apache.hadoop.util.nativecodeloader-unable to load Native-hadoop library for your platform ... using Builtin-java classes where applicableexception in thread "main" org.apache.sqoop.common.SqoopException:CLIENT_0004: Unable to find valid Kerberos ticket cache (kinit) at Org.ap

KerberosThe Kerberos protocol is primarily used for the identification of computer networks (authentication), which is characterized by the ability for a user to enter authentication information to access multiple services (Ticket-granting ticket) with this authentication, which is SSO ( ON). Because a shared secret is established between each client and service, the protocol is quite secure.conditionsFirst look at the prerequisites for the

Today, trying to configure Kerberos on the Hadoop 2.x development cluster, I've encountered some problems and recorded Set up Hadoop security Core-site.xml Hadoop.security.authentication default is simple, that is, based on the Linux operating system authentication method, the client calls the WhoAmI command, and then RPC call to the server, It is easy for

in this article we will cover the entire process of configuring an NFS share based on Kerberos authentication. Suppose you have configured an NFS server and a client. If not, you can refer to installing and configuring server for NFS [2]-it lists the dependent packages that need to be installed and explains how to initialize the configuration on the server before proceeding to the next step. In addition, you may also need to configure SELinux[3] and F

1 August 2010 22:07:51The conversation about Kerberos (MIT)Athena and ZeusAthena and Zeus ' dialogue on the keeper of the Gates of HellKerberos:network Authentication ProtocolThe term Kerberos is derived from the Greek mythology "three-head dog-the gate Keeper of Hell" Kerberos is a network authentication protocol designed to provide a powerful authentication ser