ansible configuration instructions

A, ansibles configuration and testing

1, ansible mounting configuration

The use of public key batch management

[LB02 the root @ ~] # SSH-keygen - T # Create RSA public key 
[LB02 the root @ ~] # SSH -copy- ID -i ~ /. SSH /id_rsa.pub the root @ 192.168 . 11.206 # copied to the public key management host. SSH / authorized_keys file, password-free logon achieve remote management host 
[root @ LB02 ~] # SSH -copy- the above mentioned id -i ~ /. SSH /id_rsa.pub root @ 192.168 . 11.207 # to copy the public key management host SSH / authorized_keys file, password-free logon achieve remote management host 
Note: If a password is generated when the key is, when the ansible every command execution, will be prompted to enter the key password, you can use the following command Remember password. 
Agent-SSH BSH
 SSH-the Add ~/.ssh/id_rsa

2, control terminal installation program ansible

Online installation:

[root@LB02 ~]# yum install epel-release -y
[root@LB02 ~]# yum install ansible -y

Offline installation:

[root@LB02 ~]# rpm -ivh http://dl.fedoraproject.org/pub/epel/epel-release-latest-7.noarch.rpm
[root@LB02 ~]# yum install ansible -y

3, configuration ansible

[root @ LB02 ~] # vim / etc / ansible / hosts 
[web01] # client hostname 
192.168 . 11.206 # client IP address 

[web02] 
192.168 . 11.207 

[Web: Children] 
web01 
web02

4, authentication ansible, detecting a communication port through ssh

[root@LB02 ~]# ansible web -m ping  #能正常ping通客户端所有主机
192.168.11.206 | SUCCESS => {
    "ansible_facts": {
        "discovered_interpreter_python": "/usr/bin/python"
    }, 
    "changed": false, 
    "ping": "pong"
}
192.168.11.207 | SUCCESS => {
    "ansible_facts": {
        "discovered_interpreter_python": "/usr/bin/python"
    }, 
    "changed": false, 
    "ping": "pong"
}

5, test

[LB02 the root @ ~] # ansible Web --list- the hosts # view all connected hosts normally 
  the hosts ( 2 ):
     192.168 . 11.206 
    192.168 . 11.207

Two, ansible command syntax and modules