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How-to-Create-Delete-Update-Format-Disk-Partitioning-in-Linux

How to Create/Delete/Update/Format Disk Partitioning in Linux

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Partitioning is very important task and regular task for the Linux / Hadoop admins. Usually when we start doing the build activity when come to work with disks first tasks is to...
Luks-setup-in-linux.png

Luks Encryption Setup in Linux

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LUKS (Linux Unified Key Setup). It is a disk encryption specification created by Clemens Fruhwirth in 2004. It operates on Linux and is based on an enhanced version of cryptsetup.1. LUKS is...
Install-anaconda-python-linux-centos-without-internet

How to Install Anaconda Python on Linux Centos/Redhat without Internet

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Anaconda is a free and open source of distribution for Python language. Anaconda manages many pre installed packages and that packages are helpful for data science,Machine Learning and Artificial intelligence applications.it also...
how-to-create-sudo-user-in-linux-centos-redhat-without-modifying-sudoers-file

How To Create Sudo User in Linux Centos/RedHat without Modifying Sudoers file

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If you are working in linux environment root is the super user and normal user accounts don't have that much privileges like root account. Giving root password to all other linux users...
How-to-Fix-Crontab-Permission-Denied-issue-in-linux

How to Fix Crontab Permission Denied issue in linux

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One of the good feature in linux is crontab, by using crontab you can scheduled the scripts to run at a particular time with out any manual interruption. By default root user...

Shell Script to Install Ambari Agent on all nodes from One node

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If we want to add new datanodes to your existing hadoop cluster first we need to install ambari agents on all nodes. Ambari agents we can install two ways.
Shell Script to Run Commands on Multiple Servers from One Server

Shell Script to Run Commands on Multiple Servers from One Server

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If you have 100 nodes cluster and you want to find out uptime of all 100 servers. If any tool installed on your node, that can help you to run commands on...
Another app is currently holding the yum lock; waiting for it to exit Issue in CentOS/Redhat

Another app is currently holding the yum lock; waiting for it to exit Issue...

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Everyone defiantly faced an above error another app is currently holding the yum lock; waiting for it to exit while working on centos or redhat linux environments. Generally the above error comes...
difference-between-hadoop-2-and-hadoop-3

Difference Between Hadoop 2 and Hadoop 3

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Hadoop 3 version was released on 2017 and comes with some new features to override the drawbacks in hadoop 2 version. In this article we can learn what are the major and...

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