CentOS环境初始化指南-Python环境

6.Python环境

6.1 升级Python

1. 安装gcc

yum install gcc* openssl openssl-devel ncurses-devel.x86_64 bzip2-devel sqlite-devel python-devel zlib

1. 下载python

wget http://www.python.org/ftp/python/2.7.13/Python-2.7.13.tgz

1. 安装python

cd Python-2.7.13
./configure --prefix=/usr/local
make && make install

1. 替换原有的python

mv /usr/bin/python /usr/bin/python2.7.5
ln -s /usr/local/bin/python2.7 /usr/bin/python

1. 修改yum中的python路径

将#!/usr/bin/python 修改为 
#!/usr/bin/python2.7.5

1. 测试

[root@ecs-69d8-1 opt]# python
Python 2.7.13 (default, Jun 30 2017, 12:08:29)
[GCC 4.8.5 20150623 (Red Hat 4.8.5-11)] on linux2
Type "help", "copyright", "credits" or "license" for more information. 

6.2 安装pip

1. 下载setuptools

wget --no-check-certificate https://pypi.python.org/packages/source/s/setuptools/setuptools-1.4.2.tar.gz

1. 安装setuptools

tar -xvf setuptools-1.4.2.tar.gz
cd setuptools-1.4.2
python setup.py install

1. 下载安装pip

wget https://bootstrap.pypa.io/get-pip.py
python get-pip.py

1. 替换pip的源

mkdir ~/.pip
cat > ~/.pip/pip.conf << EOF
[global]
trusted-host=mirrors.aliyun.com
index-url=http://mirrors.aliyun.com/pypi/simple/
EOF 

6.3 安装ansible

1. 安装依赖包

yum -y install python-devel openssl-devel gcc python-setuptools epel-release
yum install libffi-devel -y

1. 安装ansible

pip install ansible 

1. 测试

[root@ecs-69d8-1 opt]# ansible --version
ansible 2.3.1.0
 config file =
 configured module search path = Default w/o overrides
 python version = 2.7.13 (default, Jun 30 2017, 12:08:29) [GCC 4.8.5 20150623 (Red Hat 4.8.5-11)]
 // nslookup
 yum install bind-utils