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Understand Core Components of Ansible - Modules
Using built-in modules is one of the ways to extract a lot Ansible's power. In this lab, we go through managing file ownership, copying information, installing software, and managing services. *This course is not approved or sponsored by Red Hat.*

Lab Info
Table of Contents
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Challenge
Collect Facts
If we're going to populate index.html with facts from the server, we need to collect them first.
ansible localhost -m setup --tree /tmp/facts
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Challenge
Install Apache
Rather than using
yum
to installhttpd
we're going to use Ansible.ansible localhost -m yum -a "name=httpd state=present" --become
We need to use the
--become
flag so that Ansible knows to elevate for root priveleges. -
Challenge
Copy the Server's Facts into `index.html`
If we look in the directory we used in the first task, there's a file named 127.0.0.1 with all the server's facts. Using Ansible we can just copy that into
index.html
.ansible localhost -m copy -a "src=/tmp/facts/127.0.0.1 dest=/var/www/html/index.html mode=0600 owner=apache group=apache" --become
We need to use
--become
because/var/www/html
isn't writable unless you're the apache or root user and we're trying to make the file owned by someone who isn't ansible. -
Challenge
Make Sure Apache is Running
We've installed Apache, but it isn't running by default. Luckily we can start and manage services with Ansible.
ansible localhost -m service -a "name=httpd state=started enabled=yes" --become
Again, we need to use
--become
because only root can start a service.
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