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Orarep is a pl/sqlhttp://www.aliyun.com/zixun/aggregation/17348.html "> Code fragment embedded in the shell script, Create a well-formed HTML report for a known database instance, providing you with a sample overview and some hints of performance tuning. It has been tested by Oracle 8.1.7, 9.0.1, and 9.2. OSPREP provides additional plug-ins for more detailed special questions ...

Overview Hadoop on Demand (HOD) is a system that can supply and manage independent Hadoop map/reduce and Hadoop Distributed File System (HDFS) instances on a shared cluster. It makes it easy for administrators and users to quickly build and use Hadoop. Hod is also useful for Hadoop developers and testers who can share a physical cluster through hod to test their different versions of Hadoop. Hod relies on resource Manager (RM) to assign nodes ...

To use Hadoop, data consolidation is critical and hbase is widely used. In general, you need to transfer data from existing types of databases or data files to HBase for different scenario patterns. The common approach is to use the Put method in the HBase API, to use the HBase Bulk Load tool, and to use a custom mapreduce job. The book "HBase Administration Cookbook" has a detailed description of these three ways, by Imp ...

People often ask me if they really should believe in Oss. In other words, the worry is: is the OSS the angel that brings us a good life, or is it a demon that destroys our lives? As a matter of fact, this problem has been raised since the beginning of Linux and various BSD (Berkeley Software distribution) operating systems. In reality, any organization or enterprise is very cautious in planning to use a free software that is not from a reputable merchant. As a routine, generally ...

Because of the booming game industry, more and more film directors are turning their eyes to them. A number of games have been adapted for the film, such as "Tomb Raider", "Biochemical Crisis", "Fist Emperor" series, although a part of most of the fans have been relegated to rotten film, but the integration of the game and the film will be the general trend, not only can attract a part of the game players into the cinema,　　And there will be more and more movie viewers can contact with this form of online games, is stone. The focus of the game adaptation movie is made by online games to make the movie simple, but it is not. Online games ...

Company Smartphone Security (a) - From APK to Golden Ticket: Initial Probing, Getting Domain Admin Access from an Android Smartphone, and More ... This article describes the potential dangers of using a personal smartphone in an enterprise network, These cases are typical after the actual case has occurred. It turns out that it is not difficult to trick an employee into installing a malicious application, bypassing network protection, accessing corporate networks, elevating and obtaining confidential information. In addition, it turns out that bypassing all protection mechanisms (including anti-virus software) without being discovered ...

Corporate Smartphone Security (C) - Aim at domain controllers and look for Golden Ticket. Before leaving the internal network, we decided to get the hash of the domain controller, especially the Kerberos account (krbtgt) and wanted to create a Golden Ticket *. Golden Ticket refers to the forged TGT (Ticket Granting Ticket). Similarly, the Silver Ticket is a forged TGS (Ticket Granting Server).

Objective the goal of this document is to provide a learning starting point for users of the Hadoop Distributed File System (HDFS), where HDFS can be used as part of the Hadoop cluster or as a stand-alone distributed file system. Although HDFs is designed to work correctly in many environments, understanding how HDFS works can greatly help improve HDFS performance and error diagnosis on specific clusters. Overview HDFs is one of the most important distributed storage systems used in Hadoop applications. A HDFs cluster owner ...

The intermediary transaction SEO diagnoses Taobao guest Cloud host technology Hall Everybody Good, I am the A5 security group Jack, today communicates with everybody about the Web server security related question. In fact, in terms of server and site security settings, although I have some experience, but there is no research, so I do this lecture today when the heart is very uncomfortable, always afraid to say wrong will be mistaken for other people's things, there are wrong places also please point out, today is all about the exchange. Perhaps you have a security master or a master of destruction to see what I said ...

Python is an object-oriented, literal translation of computer programming language, is also a http://www.aliyun.com/zixun/aggregation/17547.html "> Powerful and Perfect universal language, Has more than 10 years of development history, mature and stable. This language has a very simple and clear grammatical features that are suitable for performing various high-level tasks and can be run in almost all operating systems. At present, the relevant technology based on this language is developing rapidly, the number of users is urgent ...