python2.7+或python3.5+python2.6+或python3.5+yum list ansible --showduplicates | sort -r
yum install ansible
#yum install ansible-2.9.15
准确指定版本号，我们不想每次安装的Ansible版本不一致
相关冗余输出
[root@192-168-31-106 ~]# yum list ansible --showduplicates | sort -r
ansible.noarch 2.9.15-1.el7 epel
[root@192-168-31-106 ~]# yum install ansible-2.9.15
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Package Arch Version Repository Size
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Installing:
ansible noarch 2.9.15-1.el7 epel 17 M
Installing for dependencies:
PyYAML x86_64 3.10-11.el7 base 153 k
libyaml x86_64 0.1.4-11.el7_0 base 55 k
python-babel noarch 0.9.6-8.el7 base 1.4 M
python-cffi x86_64 1.6.0-5.el7 base 218 k
python-enum34 noarch 1.0.4-1.el7 base 52 k
python-idna noarch 2.4-1.el7 base 94 k
python-jinja2 noarch 2.7.2-4.el7 base 519 k
python-markupsafe x86_64 0.11-10.el7 base 25 k
python-paramiko noarch 2.1.1-9.el7 base 269 k
python-ply noarch 3.4-11.el7 base 123 k
python-pycparser noarch 2.14-1.el7 base 104 k
python2-cryptography x86_64 1.7.2-2.el7 base 502 k
python2-httplib2 noarch 0.18.1-3.el7 epel 125 k
python2-jmespath noarch 0.9.4-2.el7 epel 41 k
python2-pyasn1 noarch 0.1.9-7.el7 base 100 k
sshpass x86_64 1.06-2.el7 extras 21 k
Transaction Summary
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安装的时候建议系统保持纯净，EPEL和PIP安装的软件有些不兼容 如果系统里的python是2.7版本，依赖却显示安装了很多python3的依赖，一般是因为yum源不够新，建议更换
[root@192-168-31-106 ~]# ansible --version
ansible 2.9.15
config file = /etc/ansible/ansible.cfg
configured module search path = [u'/root/.ansible/plugins/modules', u'/usr/share/ansible/plugins/modules']
ansible python module location = /usr/lib/python2.7/site-packages/ansible
executable location = /usr/bin/ansible
python version = 2.7.5 (default, Apr 2 2020, 13:16:51) [GCC 4.8.5 20150623 (Red Hat 4.8.5-39)]