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I followed instructions found online to install and configuring a "2 name nodes" + "10 data nodes" hadoop cluster on CentOS 8.

I created a wheel user called "hadoop" on all nodes and setup passwordless ssh under this user.

The install and configuration were done under root.

When I start up all services, ssh to all nodes are showing "access denied"

What user should I use for hadoop installation?

What user should I use for hadoop operations?

Root Loop
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1 Answers1

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Install services using the 'hadoop' user as you have already configure password-less ssh for this and also for post installation activities (you can use 'sudo' only if required).

Mehraj Patel
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