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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.
Hadoop Datanode Decommission tuning process

Hadoop Datanode Decommission Tuning Process

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Before start the decommission of hadoop datanode we better to recheck some key points to avoid issues in middle of decommission.Here i am sharing hadoop datanode decommission tuning process steps based on...
Hadoo Datanode Decommission Common Issues

Hadoop Datanode Decommission Common Issues

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When we are start doing the datanode service decommission process the best choice is to go with 1 or 2 servers depends on your no. of servers and rack configuration. Here i...
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...
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...
Disable-Kill-Application-button-in-Resource-Manager-web-UI

How to Disable Kill Application button in Resource Manager web UI

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In hadoop all jobs status we can check by using resource manager web ui. This RM web ui provide number of nodes details,memory,CPU,scheduler details options. As well as filtering the running jobs,finished...
Hadoop-hdfs-mapreduce-Smoketest

Hadoop Smoke Test Script For Hortonworks

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As a admin we will do lot of daily activities on our hadoop clusters. Some of them are minor/configuration changes and some are major changes like Patching / Upgrades. For the minor...
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...

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