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LINUX-FUNDAMENTALS5 MIN READ

Sort Permission Changes by Risk

Classify Linux permission changes by risk before applying them.

Sort each permission change by its usual operational/security risk. Narrow and explainable Medium risk needs review High risk stop and redesign Add service user to the existing app group for read access Grant one named user read access with a documented ACL Add group read to one config file after confirming group membership Run chown -R app:app /srv/app on a mixed deployment tree Set group inheritance on an upload directory after confirming app group ownership Run chmod -R 775 across application code and data directories Run chmod 777 on a config file to unblock a deploy Make /srv/app world-writable so…

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