Dry-run

• up2date --dry-run
• --check (Ansible) https://docs.ansible.com/ansible/2.3/playbooks_checkmode.html

• apt upgrade -s, --simulate, --just-print, --dry-run, --recon, --no-act

• kubectl --dry-run
• kubectl apply --dry-run
• helm --dry-run

Related

• ansible-playbook --check, -C

See also

• Test mode: nginx -t, sshd -T, crontab -e, visudo, Named-checkconf, dnsmasq --test, validate:
• Patching, Dry-run