Description: The ansible script written to automate the updation of security patches and important OS packages.
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cron_play_book.yaml : For creating a cron job in host machine. (This cron will run the playbook.yaml at specified intervals)
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playbook.yaml : Contains tasks to enable auto-install security updates service (unattended-service) and upgrade a list of important packages.
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vault_secret.sh : Fetches vault password from environment.
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inventory.ini : Contains host list. Encrypted using ansible-vault (for secure storage).