Test mode

• visudo
• nginx -t
• apache2 -t
• php-fpm7.4 -t
• php -l
• sshd -T, ssh -t
• crontab -e
• dnsmasq --test
• fail2ban-client -t
• ansible-playbook --check foo.yml
• terraform validate and terraform fmt -check
• apt upgrade --dry-run
• monit -t
• filebeat test

• gunzip -t
• zip -T

• promtool check config

Related terms

• test command
• --dry-run
• view
• vipw
• validate (Ansible)
• ping -t
• K8s datree
• docker run -t

See also

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