I’m new of the Ansible World, and for the moment i used just to hardening some linux systems using every time the command locally:
ansible path_to_my_playbook.yml
There is a way to run this commant to a remote computer? i tried adding a remote computer in the hosts files but or i make a mistake or it does not work
could you recommend some links that can help me? as far i will have time i will start more in details how ansible works…but now i have to hader lots of Linux systems 
A.
I'm new of the Ansible World, and for the moment i used just to hardening some linux systems using every time the command locally:
ansible path_to_my_playbook.yml
There is a way to run this commant to a remote computer? i tried adding a remote computer in the hosts files but or i make a mistake or it does not work
Try
ansible-playbook path_to_my_playbook.yml
instead
Sorry i made a mistake…i used the command
ansible-playbook path_to_my_playbook.yml
and in the hosts files i added the hostname and then the IP address of the remote Computer where i want apply the configurations. But does not work…
Below are real files of mine. Only difference is that I changed the hostname:
file: hosts
[test]
testcentos
testfedora
File: host_vars/testcentos.yml
Can you post the output with the error message you are getting?
–John
For sure i’m making some mistake…
however the secure.yml file i have:
- name Secure
become: yes
hosts:
secured
roles: - ubuntu18,04-desktop.cis (downloaded by github)
in the hosts file i put
[secured]
192.168.1.126
fatal: [192.168.1.126]: UNREACHABLE! => {“changed”: false, “msg”: “Failed to connect to the host via ssh:”
but for the user account i use i don’t have any problem to ssh manually in that workstation, even without password because i have exported the key. however the problems seems that the ssh connection via ansible is not permitted. I suppose i have something to configure. but what?
Do you have ssh keys set up between the ansible control node and the host you are running this against? If not, you need to specify the username and password as well. -u is the switch for user and then you would need -k or - Kk as well, depending on whether you have sudoers set up to allow you to execute passwordless root access or not.
Elaborating on what John said,
1. Try something like
ansible secured -m setup
Get the above running first. As he said, you may need to do something like
ansible secured -k -m setup
if you are not using ssh keypairs and/or
ansible secured -u USERNAME -k -m setup
if the login user is not the user you are running as (plus password).
2. If that works,
ansible --become -k -K secured -m shell -a "sudo pwd"
(adding user or not as needed based on results from previous step)
3. If the above works, here is the config file for my testubuntu box:
raub@desktop:~/dev/ansible$ cat host_vars/testubuntu.yml