kerberos

Submit Oozie Job from another job's java action with Kerberos

由 允我心安 提交于 2020-07-20 03:56:04
问题 I am trying to submit an Oozie job using Java Client API from another Job's java action. The cluster is using Kerberos. Here is my code: // get a OozieClient for local Oozie String oozieUrl = "http://hadooputl02.northamerica.xyz.net:11000/oozie/"; AuthOozieClient wc = new AuthOozieClient(oozieUrl); wc.setDebugMode(1); // create a workflow job configuration and set the workflow application path Properties conf = wc.createConfiguration(); conf.setProperty(OozieClient.APP_PATH, wfAppPath); conf

Load a keytab from HDFS

由 情到浓时终转凉″ 提交于 2020-07-20 03:43:08
问题 I want to use Oozie with a Java Action which needs to use Kerberos. I have my keytab in HDFS. How could I say that the file is in HDFS? Configuration conf = new Configuration(); conf.set("hadoop.security.authentication", "Kerberos"); UserGroupInformation.setConfiguration(conf); UserGroupInformation.loginUserFromKeytab(kerberosPrincipal, kerberosKeytab); I have tried with a path like hdfs://xxxx:8020/tmp/myKeytab.keytab and I set conf.set("fs.defaultFS", "hdfs://server:8020"); as well but it

Load a keytab from HDFS

由 北战南征 提交于 2020-07-20 03:43:06
问题 I want to use Oozie with a Java Action which needs to use Kerberos. I have my keytab in HDFS. How could I say that the file is in HDFS? Configuration conf = new Configuration(); conf.set("hadoop.security.authentication", "Kerberos"); UserGroupInformation.setConfiguration(conf); UserGroupInformation.loginUserFromKeytab(kerberosPrincipal, kerberosKeytab); I have tried with a path like hdfs://xxxx:8020/tmp/myKeytab.keytab and I set conf.set("fs.defaultFS", "hdfs://server:8020"); as well but it

Can an application server outside a windows domain verify a user of that domain?

由 我只是一个虾纸丫 提交于 2020-07-10 10:27:42
问题 I am building a Winform App which includes an App server using C#. It's for a corporate client of mine and the client has it's own windows domain. However, the app server will NOT be in their domain. The app will sit in a cloud VM . The client (like any client) wants to make things easy for their users. They want to use their user's windows Id. They don't want their users having to log in again to access my App. As long as the user is part of a windows domain group , he/she should be given

login script to use machine password for kinit to obtain ticket at login

由 眉间皱痕 提交于 2020-05-31 04:02:46
问题 I syncronised my passwords/passphrases for logging in to my machine, unlocking my ssh keyfile ( ~/.ssh/id_rsa , see man ssh-keygen ) and for kerberos. When I log in, I enter the password once to access my local machine account, and as a bonus my ssh key file is also unlocked. I'd like to also automate my kerberos authentification, which also uses the same password. Essentially, I want a secure way to achieve the equivalent effect of putting this in my ´~/.bash_profile`: # PASSWORD SHOULD

Kerberos Authentication for validating card ID on windows 2012/2016 server

由 浪子不回头ぞ 提交于 2020-05-17 06:09:07
问题 I would like to perform windows domain authentication using kerberos (AS request) but all I have is a cardID provided by client. I do have username but no password. How to validate the card user as kerberos needs username and password. Any mechanisms to validate card ID using kerberos mechanism on windows 2012/2016 server ? 来源： https://stackoverflow.com/questions/61769720/kerberos-authentication-for-validating-card-id-on-windows-2012-2016-server

What is a keytab exactly?

由 南楼画角 提交于 2020-05-10 07:28:07
问题 I am trying to understand how Kerberos works and so came across this file called Keytab which, I believe, is used for authentication to the KDC server. Just like every user and service(say Hadoop) in a kerberos realm has a service principal, does every user and service have a keytab file? Also, does authentication using keytab work on symmetric key cryptography or public-private key? 回答1: To answer your two questions, every user and service does not need a keytab file and keytabs use

【Hadoop & Ecilpse】Exception in thread "main" org.apache.hadoop.security.AccessContr...

由 二次信任 提交于 2020-05-08 10:25:30
问题再现： 　　使用本机 Ecilpse (Windows环境) 去访问远程 hadoop 集群出现以下异常： 　　 问题原因： 　　因为远程提交的情况下如果没有 hadoop 的系统环境变量，就会读取当前主机的用户名，所以 hadoop 集群的节点中没有该用户名的权限，所以出现的异常。 问题解决： 　　a、如果是测试环境，可以取消 hadoop hdfs 的用户权限检查。打开 conf/hdfs-site.xml，找到 dfs.permissions 属性修改为 false （默认为true），然后配置分发到其它节点，然后重启集群。 此法没有效果。 　　b、修改 hadoop location 参数，在 advanced parameter 选项卡中，找到 hadoop.job.ugi 项，将此项改为启动 hadoop 的用户名即可。（注意第一次设置的时候可能没有 hadoop.job.ugi 参数，报错后再去看就有了）， 此法的参数没有找到！ 　　c、因为 Eclipse 使用 hadoop 插件提交作业时，会默认以 当前主机的用户名 的身份去将作业写入 HDFS 文件系统中，由于 当前主机的用户名 对 hadoop 目录 并没有写入权限 ，所以导致异常的发生。 　　　 解决方法为：放开 hadoop 目录的权限 ，命令如下 ： $ hadoop fs -chmod 777 /

数据仓库002

由 可紊 提交于 2020-05-08 03:57:38
1.echo 打印 。 echo 的作用是在屏幕上打印输出内容，与文件和持久化可以理解为没有丝毫关联。如：在屏幕上打印“ echo 的作用是打印文字！ ” 实例1：输出系统的环境变量名称 $PATH [root@localhost ~ ]# echo $PATH /usr/lib/qt- 3.3 /bin:/usr/kerberos/sbin:/usr/kerberos/bin:/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin:/root/ bin [root@localhost ~]# 　实例2：查看命令所属的路径在哪，首先先去$PATH找，如果找到第一个就返回结果并显示 [root@localhost ~ ]# which ls alias ls = ' ls --color=tty ' /bin/ ls [root@localhost ~]# 　实例3：PATH='' 只清空当前session 会话的变量 $PATH ，并没有全局生效。 [root@localhost ~]# PATH= '' [root@localhost ~ ]# echo $PATH [root@localhost ~ ]# which ls alias ls = ' ls --color=tty ' [root@localhost

JMeter进行Apache Kafka负载测试

由 随声附和 提交于 2020-05-06 12:30:18
1.卡夫卡负载测试 在这个 Apache Kafka 教程中，我们将了解如何使用Apache JMeter，如何在Apache Kafka上执行Kafka负载测试。 此外，这个Kafka负载测试教程教我们如何配置生产者和消费者，这意味着 使用JMeter 开发Apache Kafka Consumer 和Kafka Producer。 最后，我们将看到在Jmeter中构建Kafka负载测试场景。 然而，在Kafka负载测试之前，让我们学习Kafka的简要介绍，以便更好地理解其他工作。 使用JMeter进行Apache Kafka负载测试 2.什么是Apache Kafka？ 简而言之，Apache Kafka是分布式数据库和消息队列的混合体。 为了处理数TB的信息，许多大公司都在使用它。 此外，由于其功能，卡夫卡广受欢迎。 例如，像LinkedIn这样的公司使用它来传输有关用户活动的数据，而像Netflix这样的公司则使用它来为下游系统（如Elasticsearch，Amazon EMR，Mantis等）进行数据收集和缓冲。 此外，让我们了解Kafka的一些对Kafka负载测试很重要的功能： 让我们来测试你对卡夫卡的了解程度 默认情况下，长消息存储时间 - 一周。 由于顺序I / O，性能高。 此外，方便的群集。 要在群集中复制和分发队列，由于该功能，数据具有高可用性。
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