is a config management tool,sample inventory file is /etc/ansible/hosts
sudo apt install ansible or pip install ansible and /etc/ansible/ansible.cfg is the config file
ansible -m ping localhost --ask-pass will give a message that sshpass needs to be installed, install using sudo apt install sshpass
ssh user@localhost, will ask for ssh password of the user you are logging in once
successful run ansible -m ping localhost --ask-pass again you should see succesful ping pong message
# This is the default ansible 'hosts' file. It should live in /etc/ansible/hosts
## green.example.com
## 192.168.100.1
[webservers]
## alpha.example.org
## beta.example.org
192.168.33.10 ansible_user=vagrant
## www[001:006].example.com
## [dbservers]
## db01.intranet.mydomain.net
## db02.intranet.mydomain.net
## db-[99:101]-node.example.com
[appservers]
192.168.33.11 ansible_user=vagrant
[webservers:vars]
ansible_password=vagrantansible -m ping localhost --ask-pass
sudo ansible localhost -m "date" --ask-pass
ansible -m setup localhost --ask-pass
ansible -b -m apt -a "name=ntp state=present" localhost --ask-pass -vvvv # -vvvv is verbose
ansible -b -a "service ntp start" localhost -k # k is the same as ask-pass
ansible -b -a "service ntp stop" localhost -k
ansible -m ping localhost -k
ansible localhost -b -a "tail /var/log/nginx/error.log" -k
ansible localhost -b -m shell -a "tail /var/log/nginx/error.log" -k
** ansible-doc command **
ansible-doc service for example
Playbook files are YAML files, Be careful with indentation and do not use tab and always spaces
ansible-playbook --syntax-check playbooktest.yml
- hosts: centos
remote_user: root
gather_facts: no
tasks:
- name: test ping
ping:
remote_user: root
- name: check ssh
service:
name: sshd
state: started
- name: check nginx
service:
name: nginx
state:started
where centos is a group of servers,remote_user will run as root,facts are disabled