What TCP ports are used by ODBC to connect to the DB2/400?  8471/9471 http://search400.techtarget.com/answer/What-TCP-ports-are-used-by-ODBC-to-connect-to-the-DB2-400 Windows: netstat AS400:NETSTAT *CNN              enter Shift + F2 TCP/IP Ports Requ…

This article is an in-depth tutorial for using Kafka to move data from PostgreSQL to Hadoop HDFS via JDBC connections. Read this eGuide to discover the fundamental differences between iPaaS and dPaaS and how the innovative approach of dPaaS gets to t…

查看dojo源码过程中,发现这三个模块名并不以dojo.dijit.dojox开头,在dojo加载器中属于特殊模块名. require 这是一个上下文智能的加载器. 我们通过dojoConfig配置了一个package:myApp,现在对myApp目录下的文件可以使用如下方式请求: // this is "myApp/topLevelHandlers" define(["dojo"], function(dojo){ dojo.connect(dojo.byId(&…

1.使用connect框架 .use方法用于绑定中间件到connect服务器,它会配置一系列在接到请求时调用的中间件模块,此例中我们要配置的中间件有favicon logger static router app.get/post/put        写法:app.requestName('path', function(req, res, next){}); app-connect.js var connect = require('connect'); //npm install conn…

Gulp plugin to run a webserver (with LiveReload) Install npm can help us to install the plugin. PS C:\study\gulp> npm install --save-dev gulp-connect gulp-connect@ node_modules\gulp-connect ├── connect-livereload@ ├── event-stream@ (duplexer@, from@,…

引子: 本项目在老电脑上用的是oracle10g,换新电脑装的是oracle11g,但运行项目本没有什么关系,本来说创建个用户,用PLSQL手工导入数据,再改几下配置文件即可跑起来--但实际启动中遇到以下异常导致eclipse不能启动: 2016-01-25 11:34:39,694 DEBUG (com.mchange.v2.resourcepool.BasicResourcePool:1831) - An exception occurred while acquiring a poolab…

[Link] http://www.developer.com/java/data/manipulating-a-database-with-jdbc.html Manipulating a Database with JDBC March 26, 2014 By Manoj Debnath Bio » Send Email » More Articles » Java programs communicate with the database and manipulate its data…

第一章 命令行工具 mysqladmin:MySQL服务器管理工具 mysql:MySQL客服端链接工具 mysqldump 演示链接到服务器host=127.0.0.1,用户名为root,密码为空 mysql.exe -h 127.0.0.1 -u root >use test; >select*from example; >quit; 注:初始状态下,root密码为空 C/S架构(Client/Server) 一台主机运行MySQL 多台客服机同时链接. 第二章 2.1创建数据库 数…

数据库无法连接(JDBC) 用户名密码正确,但是一直报错:Connection timed out 后来知道了原因:我用的是BAE提供的云mysql数据库,对访问的IP有限制 ,所以在本机上无法连接. ~~~~(>_<)~~~~  Communications link failure due to underlying exception:    ** BEGIN NESTED EXCEPTION **    java.net.SocketException MESSAGE: java.ne…

0.概述 使用的都是CLI或者hive –e的方式仅允许使用HiveQL执行查询.更新等操作.然而Hive也提供客户端的实现,通过HiveServer或者HiveServer2,客户端可以在不启动CLI的情况下对Hive中的数据进行操作,两者都允许远程客户端使用多种编程语言如Java.Python向Hive提交请求,取回结果. HiveServer与HiveServer2的异同? HiveServer和HiveServer2都是基于Thrift.既然已经存在HiveServer为什么还需要Hiv…

http://www.cnblogs.com/netbloomy/p/6688670.html 0.概述 使用的都是CLI或者hive –e的方式仅允许使用HiveQL执行查询.更新等操作.然而Hive也提供客户端的实现,通过HiveServer或者HiveServer2,客户端可以在不启动CLI的情况下对Hive中的数据进行操作,两者都允许远程客户端使用多种编程语言如Java.Python向Hive提交请求,取回结果. HiveServer与HiveServer2的异同? HiveServer…

这是官方文档: http://www.firewalld.org/documentation/man-pages/firewall-cmd.html 想使用iptables的规则,firewall也可以做到 [--permanent] --direct --add-rule { ipv4 | ipv6 | eb } table chain priority args Add a rule with the arguments args to chain chain in table table …

首先虚拟机上已经安装好hive. 下面是连接hive需要的操作. 一.配置. 1.查找虚拟机的ip 输入 ifconfig 2.配置文件 (1)配置hadoop目录下的core-site.xml和hdfs-site.xml 在core-site.xml中添加下面配置: <property> <name>hadoop.proxyuser.hadoop.hosts</name> <value>*</value> </property> &…

hive在hive-site.xml中配置hive.metastore.uris属性,后启动异常 hive异常 [fan@master hive-0.13.1-cdh5.3.6]$ bin/hive Logging initialized using configuration in jar:file:/opt/modules/hive-0.13.1-cdh5.3.6/lib/hive-common-0.13.1-cdh5.3.6.jar!/hive-log4j.properties Excep…

******************************************************1********************************************************** 1 import java.sql.DriverManager; 2 import java.sql.ResultSet; 3 import java.sql.SQLException; 4 import java.sql.Connection; 5 import jav…

Security Checklist Website by     Michael Horowitz  Home | Introduction | Router Bugs | Security Checklist | Tests | Resources | About | The most expert person in the world can only make a router as secure as the firmware (router OS) allows. The foll…

http://technet.microsoft.com/en-us/library/bb742455.aspx Abstract Network Load Balancing, a clustering technology included in the Microsoft Windows 2000 Advanced Server and Datacenter Server operating systems, enhances the scalability and availabilit…

Beej's Guide to Network Programming Using Internet Sockets Brian "Beej Jorgensen" Hallbeej@beej.us Version 3.0.15July 3, 2012 Copyright © 2012 Brian "Beej Jorgensen" Hall Contents 1. Intro 1.1. Audience 1.2. Platform and Compiler 1.3. …

Introduction Log files are files that contain messages about the system, including the kernel, services, and applications running on it. There are different log files for different information. For example, there is a default system log file, a log f…

All Hadoop sub-projects such as Hive, Pig, and HBase support Linux operating system. Therefore, you need to install any Linux flavored OS. The following simple steps are executed for Hive installation: Step 1: Verifying JAVA Installation Java must be…

离线安装Cloudera Manager 5和CDH5(最新版5.1.3) 完全教程 关于CDH和Cloudera Manager CDH (Cloudera's Distribution, including Apache Hadoop),是Hadoop众多分支中的一种,由Cloudera维护,基于稳定版本的Apache Hadoop构建,并集成了很多补丁,可直接用于生产环境. Cloudera Manager则是为了便于在集群中进行Hadoop等大数据处理相关的服务安装和监控管理的组件,对集…

以下是微软官方提供的CRM端口号列表,收藏一下: 4.0 :https://msdn.microsoft.com/en-us/library/dd979226(v=crm.6).aspx This section describes the ports that are used for Microsoft Dynamics CRM. This information is useful and helpful as you configure the network when users co…

Bind是一款开放源码的DNS服务器软件,由美国加州大学Berkeley分校开发和维护的,全名为Berkeley Internet Name Domain它是目前世界上使用最为广泛的DNS服务器软件,支持各种unix平台和windows平台. 一.安装bind 1.检查是否已安装bind # dpkg -l |grep bind 2.安装bind9 # apt-get install bind9 再次检查,现在已经安装成功了. root@nfsserver:~# dpkg -l |grep bi…

Linux comes with a host based firewall called Netfilter. According to the official project site: netfilter is a set of hooks inside the Linux kernel that allows kernel modules to register callback functions with the network stack. A registered callba…

Referenced:http://www.petenetlive.com/KB/Article/0000869 Problem I had to set this up for a client this week, I’ve setup a DMZ on a 5505 before and I’ve setup other VLANs to do other jobs, e.g. visitor Internet access. But this client needed a second…

安装过程中,由于网络终端,导致下面问题: 问题1:安装停止在获取安装锁/tmp/scm_prepare_node.tYlmPfrT using SSH_CLIENT to get the SCM hostname: 172.16.77.20 33950 22 opening logging file descriptor 正在启动安装脚本...正在获取安装锁...BEGIN flock 4 这段大概过了半个小时,关闭selinux ! disabled 问题2:不能选择主机 安装失败了,重新不能…

1.  安装VM14的方法在 人工智能标签中的<跨平台踩的大坑有提到> 2. CentOS分区设置: /boot:1024M,标准分区格式创建. swap:4096M,标准分区格式创建. /:剩余所有空间,采用lvm卷组格式创建 其他按需要设置就好, 配置好后使用 vi /etc/sysconfig/network-scripts/ifcfg-eno16777736 设置网络连接; HWADDR=00:0C:29:B3:AE:0E TYPE=Ethernet BOOTPROTO=static…

1. Banner grabbing with Netcat Netcat is multipurpose networking tool that can be used to perform multiple information gathering an d scanning tasks with kali linux ,this specific recipe will demonstrate how to use Netcat to acquire service banners i…

Hadoop 存档 每个文件均按块存储,每个块的元数据存储在namenode的内存中,因此hadoop存储小文件会非常低效.因为大量的小文件会耗尽namenode中的大部分内存.但注意,存储小文件所需要的磁盘容量和存储这些文件原始内容所需要的磁盘空间相比也不会增多.例如,一个1MB的文件以大小为128MB的块存储,使用的是1MB的磁盘空间,而不是128MB. Hadoop存档文件或HAR文件,是一个更高效的文件存档工具,它将文件存入HDFS块,在减少namenode内存使用的同时,允许对文件进行…

Zipkin is a used for capturing timing data, it also has a centralized repository, and a microweb server that allows you to display, and search through spans and traces of your distributed programs or websites. We can configure Zipkin by deploying it…