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Build a blockchain

I'm following substrate documentation in that build a blockchain tutorial while following the monitoring node metrics tutorial. I got stuck while installing prometheus on my ec2 instance is there any ...
Preethi M's user avatar
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I got this error while building a blockchain (building a local blockchain)

when i run node template without --ws external its producing blocks but when i run with --ws external its giving me error please help me fix this im new to substrate.
Preethi M's user avatar