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Description of feature

While running a remediation playbook from Insights UI, the remediation should backup the existing configuration file before making any changes in it.
It will be helpful in comparing the changes and rollback the change if required.

Steps to Reproduce

1. Create a remediation playbook for a configuration change
2. Execute the playbook on the host

Actual Behavior

Currently, the remediation does not backup the configuration file before making changes in it.

Expected Behavior

The remediation should backup the existing configuration file before making any changes in it.

Business Impact / Additional info

Any changes always should have a backup copy of the file that has been changed, for comparison or rollback. 
Standard system admin practice is to always create a backup copy of any file you change.