Most answered questions in Edureka Community

0 votes
1 answer

Error saying "E: This command can only be used by root." while installing docker

Try executing the following command: sudo su and ...READ MORE

Aug 6, 2019 in Docker by Ahmad
 • 6,318 views
0 votes
1 answer

Zookeeper: client.HConnnectionManager HConbectionImplementation: Cant get connection to Zookeeper:KeeperErrorCode

In edureka vm once you start hbase ...READ MORE

Aug 6, 2019 in Big Data Hadoop by Chiraya
 • 571 views
0 votes
1 answer

Puppet: an additional repository is added on ubuntu by apt package

Passing in an empty string for the ...READ MORE

Aug 6, 2019 in Puppet by Sirajul
 • 59,230 points • 2,732 views
0 votes
1 answer

Puppet server fails to start after a new installation

Try this: Remove the existing apt repository by ...READ MORE

Aug 6, 2019 in Puppet by Sirajul
 • 59,230 points • 873 views
0 votes
1 answer

How to create an AMI from the command line?

Yes, the CLI can be used to ...READ MORE

Aug 13, 2019 in AWS by Praveen
 • 700 points • 2,015 views
0 votes
1 answer

Upgrading the software in an AMI without creating a new one

When an EC2 instance is launched, AWS ...READ MORE

Aug 13, 2019 in AWS by Praveen
 • 700 points • 864 views
0 votes
1 answer

Unable to create table in Hive

It is looking like your Hadoop daemons ...READ MORE

Aug 6, 2019 in Big Data Hadoop by Yogi
 • 630 views
0 votes
1 answer

Connection getting lost when creating an AMI from an EC2 instance

AWS powers down the EC2 instance creates ...READ MORE

Aug 13, 2019 in AWS by Praveen
 • 700 points • 781 views
0 votes
1 answer

Different between Amazon Machine Image and Docker Image

AMI is a complete machine image which ...READ MORE

Aug 13, 2019 in AWS by Praveen
 • 700 points • 4,387 views
0 votes
1 answer

Puppet: error on running sudo puppet agent -t

The puppetmaster process is the one attempting ...READ MORE

Aug 6, 2019 in Puppet by Sirajul
 • 59,230 points • 1,797 views
0 votes
1 answer

Puppetfile to configure/install a module

The Puppetfile is like a Ruby Gemfile, ...READ MORE

Aug 6, 2019 in Puppet by Sirajul
 • 59,230 points • 1,687 views
0 votes
1 answer

How can I ensure that my jenkins build server is accessed only by authorized users?

Anyone can make use of the URL ...READ MORE

Aug 6, 2019 in Jenkins by Sirajul
 • 59,230 points • 619 views
0 votes
1 answer

Creating EC2 from the CLI using Python

All the AWS Resources created using the ...READ MORE

Aug 6, 2019 in AWS by Harish
 • 384 views
+1 vote
1 answer

Difference between an Edge Location and Availability Zone.

Both the Edge Locations (EL) and Availability ...READ MORE

Aug 6, 2019 in AWS by Yogi
 • 21,883 views
0 votes
1 answer

Preferred Region while working with AWS

The choice of the AWS Regions depends ...READ MORE

Aug 6, 2019 in AWS by Quill
 • 490 views
0 votes
1 answer

Using the same KeyPairs across Regions

The KeyPairs are Region specific and a ...READ MORE

Aug 6, 2019 in AWS by Esha
 • 365 views
0 votes
1 answer

Configuring the Regions with the AWS CLI

Once the AWS CLI has been installed run ...READ MORE

Aug 6, 2019 in AWS by Tina
 • 816 views
0 votes
1 answer

Find out time it took for a python script to complete execution

You can try the following code and ...READ MORE

Aug 6, 2019 in Python by SDeb
 • 13,300 points • 442 views
0 votes
1 answer

How can I make an EXE file from a Python program?

Auto PY to EXE - A .py ...READ MORE

Aug 6, 2019 in Python by SDeb
 • 13,300 points • 1,048 views
0 votes
1 answer

How to include css code in shiny r app?

To include a CSS file, use includeCSS(), ...READ MORE

Aug 30, 2019 in Data Analytics by anonymous
 • 33,030 points • 1,963 views
+1 vote
1 answer

how can i create bins with different sizes?

You can give a different value for all ...READ MORE

Aug 13, 2019 in Tableau by anonymous
 • 33,030 points • 5,775 views
0 votes
1 answer

How do I make my own context manager?

Context is an opening file, catching expressions, ...READ MORE

Aug 6, 2019 in Python by Yamini
 • 423 views
0 votes
1 answer

wcopyfind equivalent for python

Hi @Ashish, you can use the difflib ...READ MORE

Aug 6, 2019 in Python by Tara
 • 490 views
0 votes
1 answer

Error: Zookeeper address not found from MapRFilesystem

Hey, Yarn is configured with the "zero-configuration failover". So ...READ MORE

Aug 6, 2019 in Big Data Hadoop by Gitika
 • 65,910 points • 1,112 views
0 votes
1 answer

Python error "raise CommandFailedError(args) bench.utils.CommandFailedError: (’–site’, ‘all’, ‘migrate’)"

Install pyopenssl to your python pip install pyopenssl ...READ MORE

Aug 5, 2019 in Python by Kalgi
 • 52,360 points • 1,840 views
0 votes
1 answer

How to assign server access to client(s) through NFS export file?

Hi, You can create the export folder, you will ...READ MORE

Aug 5, 2019 in Big Data Hadoop by Gitika
 • 65,910 points • 521 views
0 votes
1 answer

err: Could not send report: SSL_connect returned=1 errno=0 state=SSLv3 read server certificate B: certificate verify failed

This error occurs when Windows agents' time isn't synced.  Windows agents ...READ MORE

Aug 5, 2019 in Puppet by Sirajul
 • 59,230 points • 831 views
0 votes
1 answer

How do I upgrade my pycharm from python 2.7 to python 3?

Install Python 3.7(latest version) from the following ...READ MORE

Aug 5, 2019 in Python by Varsha
 • 33,851 views
0 votes
1 answer

“dpkg: error: dpkg frontend is locked by another process”

First, find out the id of the ...READ MORE

Aug 5, 2019 in Puppet by Sirajul
 • 59,230 points • 1,632 views
0 votes
1 answer

Append r output in the title of rmarkdown document

Insert with `r <code> ` withion markdown ...READ MORE

Sep 10, 2019 in Data Analytics by priya
 • 523 views
0 votes
1 answer

Hadoop: ERROR: datanode.DataNode: java.io.IOException: Datanode state: LV = -32 CTime = 1377582559943 is newer than the namespace state: LV = -32 CTime = 0

Hey, You can do one thing, open the file ...READ MORE

Aug 5, 2019 in Big Data Hadoop by Gitika
 • 65,910 points • 837 views
0 votes
1 answer

Error: Could not find node statement with name 'default' or 'puppetserver.example.com, puppetserver.example, puppetserver, localhost' on node puppetserver.example.com

When you apply a catalog or a ...READ MORE

Aug 5, 2019 in Puppet by Sirajul
 • 59,230 points • 1,810 views
0 votes
1 answer

puppet agent --test Error: Could not request certificate: Connection refused - connect(2) for "puppet" port 8140 Exiting; failed to retrieve certificate and waitforcert is disabled

In the later versions of puppet we ...READ MORE

Aug 5, 2019 in Puppet by Sirajul
 • 59,230 points • 4,857 views
0 votes
1 answer

Hadoop: ERROR: datanode.DataNode: java.io.IOException: Incompatible namespaceIDs in /app/hadoop/tmp/dfs/data: namenode namespaceID = 1580775695; datanode namespaceID = 1494801914

Hi, Namenode generates new namespaceID every time you ...READ MORE

Aug 5, 2019 in Big Data Hadoop by Gitika
 • 65,910 points • 900 views
0 votes
1 answer

Windows agent doesn't request any certificates from puppet master?

Exiting; no certificate found and waitforcert is ...READ MORE

Aug 5, 2019 in Puppet by Sirajul
 • 59,230 points • 1,496 views
0 votes
1 answer

Hadoop: ERROR datanode.DataNode: All directories in dfs.data.dir are invalid.

Hi, Try this, first delete all contents from ...READ MORE

Aug 5, 2019 in Big Data Hadoop by Gitika
 • 65,910 points • 1,619 views
0 votes
1 answer

Puppet module path is not updating.

The puppet confdir depends on user that executes puppet ...READ MORE

Aug 5, 2019 in Puppet by Sirajul
 • 59,230 points • 700 views
0 votes
1 answer

Read an image into r

There are different packages that read images ...READ MORE

Aug 26, 2019 in Data Analytics by anonymous
 • 33,030 points • 2,606 views
0 votes
1 answer

ERROR org.apache.hadoop.hdfs.server.namenode.FSNamesystem: FSNamesystem initialization failed. java.io.FileNotFoundException: /app/hadoop/tmp/dfs/name/in_use.lock

Hi, You can change the owner to Hadoop ...READ MORE

Aug 5, 2019 in Big Data Hadoop by Gitika
 • 65,910 points • 1,510 views
0 votes
1 answer

Error: Could not find declared class firewall at /etc/puppetlabs/code/environments/production/manifests/site.pp

The modules that you install on master need ...READ MORE

Aug 5, 2019 in Puppet by Sirajul
 • 59,230 points • 1,857 views
0 votes
1 answer

Hadoop: error: Cannot lock storage /app/hadoop/tmp/dfs/name. The directory is already locked.

Hi, Check your dfs.name.dir and dfs.data.dir path in hdfs-site.xml. Or ...READ MORE

Aug 5, 2019 in Big Data Hadoop by Gitika
 • 65,910 points • 1,958 views
0 votes
1 answer

DJOB TRACKER : Can not start task tracker because java.lang.IllegalArgumentException: Does not contain a valid host:port authority: 127.0.0.1:9001

Hey, According to your property set up, there ...READ MORE

Aug 5, 2019 in Big Data Hadoop by Gitika
 • 65,910 points • 541 views
0 votes
1 answer

Puppet: certificate verify failed: [self signed certificate in certificate chain for /CN=Puppet CA: master-b]

Make new clean master b, and duplicate ...READ MORE

Aug 5, 2019 in Puppet by Sirajul
 • 59,230 points • 6,779 views
0 votes
1 answer

API key for Copyleaks Python sdk

Your API-KEY is available at your dashboard ...READ MORE

Aug 5, 2019 in Python by Kalgi
 • 52,360 points • 732 views
+1 vote
1 answer

Error while sending a transaction from Web3py to a Smart Contract in Remix

You get the revert error when a ...READ MORE

Dec 12, 2019 in Blockchain by Vivek
 • 1,539 views
0 votes
1 answer

Summarize only number or integer columns in the dataframe.

Hi, Payal. Use the below function. data frame %>% ...READ MORE

Aug 26, 2019 in Data Analytics by anonymous
 • 33,030 points • 477 views
0 votes
1 answer

Can I build a plagiarism checker using python?

Hey @Alessha, you can use an SDK ...READ MORE

Aug 5, 2019 in Python by Kalgi
 • 52,360 points • 3,270 views
0 votes
1 answer

Export the updated or manipulated dataframe or result as csv and excel file

Hi, Karthik. Check it out how to write ...READ MORE

Sep 10, 2019 in Data Analytics by sindhu
 • 383 views
0 votes
1 answer

Google Search Automation with Python Selenium.

You can simply automate pressing the "Enter" ...READ MORE

Aug 5, 2019 in Selenium by Payal
 • 11,068 views
0 votes
1 answer

MiniNAM error "ovs-vsctl: no bridge named s1, ovs-vsctl: no bridge named s2"

You are getting this error because you ...READ MORE

Aug 5, 2019 in Python by Haider
 • 1,985 views
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