Ansible basic environment configuration method

This article mainly introduces "ansible basic environment configuration method". In daily operation, I believe many people have doubts about ansible basic environment configuration method. The editor has consulted all kinds of materials and sorted out simple and easy-to-use operation methods. I hope it will be helpful for you to answer the doubts about "ansible basic environment configuration method". Next, please follow the editor to study!

I. basic environmental configuration

Modify the hostname and install the epel source

[root@localhost ~] # hostnamectl set-hostname ansible [root@localhost ~] # bash [root@ansible] # curl-o / etc/yum.repos.d/CentOS-Base.repo https://mirrors.aliyun.com/repo/Centos-7.repo[root@ansible ~] # wget-O / etc/yum.repos.d/epel.repo http://mirrors.aliyun.com/repo/epel-7.repo[root@ansible ~] # yum clean all & & yum makecache fast

# what I use here is Ali Source

Install ansible and configure ssh secret-free authentication

[root@ansible ~] # yum-y install ansible [root@ansible ~] # ssh-keygen-t rsa [root@ansible ~] # ssh-copy-id-I. ssh / id_rsa.pub root@10.4.7.112 [root@ansible ~] # ssh-copy-id-I. ssh / id_rsa.pub root@10.4.7.113

Declare group node members and test

[root@ansible ~] # vim / etc/ansible/hosts [web] 10.4.7.11210.4.7.113 [root@ansible ~] # ansible web-m ping

[root@ansible ~] # ansible web-a "df-Th"

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