From: http://perl.apache.org/docs/general/perl_reference/perl_reference.html Use (), require (), Do (), % INC and @ INC explained
The @ INC Array
@ INCIs a special Perl variable which is the equivalent of the shell'sPathVariable. WhereasPathContains a list of directories to search for executables,@ INCContains a list of directories from which Perl modules and
1.1 DescriptionCDH official installation Deployment documentation, and step detailsHttp://www.cloudera.com/content/cloudera/zh-CN/documentation/core/v5-3-x/topics/installation_installation.htmlHere is the first way Cloudera Manager installs automaticallyCloudera Manager 5 requirements and supported versions specific detailsHttp://www.cloudera.com/content/cloudera
transferred from: http://perl.apache.org/docs/general/perl_reference/perl_reference.html
Use (), require (), do (),%inc and @INC explained
The @INC array
@INC is a special Perl variable which is the equivalent of the shell ' s PATH variable. Whereas PATH contains a list of directories to search for executables,
When I ran the Perl script today, I found an error where "recursive. PM" could not be found:
Can't locate file/copy/recursive. PM in @ INC (@ INC contains:/opt/local/lib/perl5/site_perl/5.12.4/darwin-thread-multi-2level
Begin failed -- Compilation aborted at xxxx. pl line 6.
The solution is to install the missing recursive. PM and run the following command:
Android: antt Lee $ Perl-mcpan-e install "Ins
Hadoop Foundation----Hadoop Combat (vi)-----HADOOP management Tools---Cloudera Manager---CDH introduction
We have already learned about CDH in the last article, we will install CDH5.8 for the following study. CDH5.8 is now a relatively new version of Hadoop with more than hadoop2.0, and it already contains a number of components and components in the Hadoop ecosystem that we need to learn next.
Environment
Cl
install Nginx on the server today, report the following error: Can ' t locate extutils/embed.pm in @INC (@INC contains:/USR/LOCAL/LIB64/PERL5, thought it was not loaded Perl, Go to yum Install Perl Perl-dev are installed, or did not solve the problem, finally found a foreigner forum to know how to solve. System: CentOS 6.3 64-bit workaround: Yum install Cpan-yyum install Perl-extutils-cbuilder Perl-extutils
This document is suitable for all versions of Cloudera Manager 5 and is upgraded using Tarballs tarballs contains Cloudera Manager server and Cloudera manageragent.
Https://www.cloudera.com/documentation/enterprise/latest/topics/cm_ag_ug_cm5_tarballs.html#cm_ag_ug_cm5_tarballs
In most scenarios, upgrading Cloudera Man
Cloudera Manager and CDH 5.14.0 Installation Process in CentOS 7
As we all know, the configuration of Apache Hadoop is cumbersome and fragmented. For this reason, Cloudera provides the Clouder Manager tool and encapsulates Apache Hadoop, flume, spark, hive, hbase and other big data products form CDH products with their own characteristics, and then use CM for installation. This facilitates cluster construct
Use Cloudera Manager to install Hadoop
Hadoop is composed of many different services (such as HDFS, Hive, HBase, Spark, and so on). These services also have some dependencies. If you directly download the original Apache package, it is troublesome to download multiple times and configure multiple times. As a result, some companies have customized Hadoop, such as Cloudera, Hortonworks, and MapR. These compan
Create a cloudera-SCM user (with a branch, This is a Linux Command ,)
[[emailprotected]cloudera-manager-5.1.0]$sudouseradd--system--home=/opt/cloudera-manager-5.1.0/run/cloudera-scm-server--no-create-home--shell=/bin/false--comment"ClouderaSCMUser"cloudera-scm
Change server_
or download the Word document: http://download.csdn.net/download/xfg0218/9747346
about CDH and Cloudera Manager
CDH (Cloudera's distribution, including Apache Hadoop), is one of the many branches of Hadoop, built from Cloudera maintenance, based on the stable version of Apache Hadoop, and integrates many patches, Can be used directly in production environments.
Cloud
1. Cloudera ManagerCloudera Manager is an end-to-end application that manages CDH.Role– Management– Monitoring– Diagnostics– Integration• architecture Server– Management Console server and application logic– Responsible for software installation, configuration, start-up and stop services– Management Service runs the clusterAgent– Installed on each host– Responsible for starting and stopping processes, configuring, monitoring hostsManagement Servi
Recently engaged in the installation of Cloudera Manager, experienced a lot of frustrations, summed up:
Also referred to a number of other people's posts such as:
http://blog.csdn.net/a921122/article/details/51939692
Http://www.aboutyun.com/forum.php?mod=viewthreadtid=9086extra=page%3D1
http://www.aboutyun.com/forum.php?mod=viewthreadtid=10852highlight=%C0%EB%CF%DF%B0%B2%D7%B0Cloudera% 2BManager
The approximate method is feasible. System Environment4
local Yum software source installation Cloudera Manager 5
Cloudera Manager 5 (hereinafter referred to as cm) by default online installation, to the Internet or network is not easy to bring users inconvenience, due to network problems, repeated failure of the frustration, so that the first learning CDH users really experience the beginning of everything difficult. This article explains that in the CentOS
A brief introduction to CDHEveryone often says CDH, whose full name is: Cloudera's distribution including Apache Hadoop, simply Cloudera's Hadoop platform, is encapsulated and reinforced on the basis of Apache native Hadoop components. What is there in CDH? Such as:So how does this CDH software install? Cloudera Company provides a set of software to install CDH, manage and maintain CDH components, called Cloudera
1. Save the RPM package and the necessary dependent files to Linux according to the directory structure.
Download URL: e-primary.cloudera.com/cm5/redhat/6/x86_64/cm/5.9.0/
All in Node0.
Only agents and daemons are deposited in the node1-3.
Parcel incoming Linux/opt/cloudera/parcel-repo, change permissions 755.
2. Backup
Http://www.cloudera.com/content/www/zh-CN/documentation/enterprise/5-3-x/topics/cm_ag_db_for_cm_upgrades.html Upgrade Database Consid
http://site.clairvoyantsoft.com/migrate-cloudera-scm-database-from-postgresql-to-mysql/
http://node0:7180/api/v14/cm/deployment--– the correct URL. 1. Discontinue service;
1. In the UI interface, stop the cluster;
2. In the UI interface, stop all services such as CM service,monitor;
3. In Linux, stop Agent service: Service cloudera-scm-agent stop
2. Backup cm configuration, via api--
$ curl-v-u admin:adm
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