python 下载安装:

1. ./configure --prefix=/ansible/python
2. make
3. make install
   报错: ModuleNotFoundError: No module named '_ctypes'
   解决方法:
   下载安装:libffi-devel-3.0.5-3.2.el6.x86_64.rpm
   重新编译安装python
4. 为python3建立软连接: ln python3 python
5. 在shell中指定环境变量PATH

ansible 下载安装两种方式:

https://releases.ansible.com/ansible/

1. 安装依赖包
2. python setup.py inslall
   https://releases.ansible.com/ansible/rpm/
3. 安装依赖包: python-jinja/sshpass
4. 安装ansible

ssh 免密码验证

1. client: ssh-keygen -t rsa
2. client: ssh-copy-id <user>@<server_ip>