How to check yaml syntax

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sudo yum install gem

sudo gem install yaml-lint

yaml-lint /etc/puppetlabs/code/environments/production/hieradata/common.yaml
Checking the content of ["/etc/puppetlabs/code/environments/production/hieradata/common.yaml"]
File : /etc/puppetlabs/code/environments/production/hieradata/common.yaml, Syntax OK
Done.


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