I am using CentOS following these instructions https://www.digitalocean.com/community/tutorials/additional-recommended-steps-for-new-centos-7-servers on a new droplet. Any idea what’s wrong?
$ **sudo systemctl start firewalld**
[sudo] password for xxx:
Failed to start firewalld.service: Unit not found.
$
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This question was answered by @wyattbiker:
nvm. I had to first: sudo yum install firewalld
The tutorial makes no mention of it.
Thanks!
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