CentOS安装python3.6

CentOS安装python3.6

编译时要提前装好gcc编译器和zlib zlib-devel

yum install -y gcc zlib zlib-devel

1、下载Python安装包

wget https://www.python.org/ftp/python/3.6.0/Python-3.6.0.tgz

2、解压

tar -zxvf Python-3.6.0.tgz

3、进入解压目录

cd Python-3.6.0

4、编译安装包

./configure --prefix=/usr/local/python
make && make install

5、添加环境变量

echo PATH='/usr/local/python/bin/:$PATH' >> /etc/profile
source /etc/profile

6、检查是否成功，执行下面代码

python3.6
Python 3.6.0 (default, Jun  1 2017, 14:01:43)
[GCC 4.4.7 20120313 (Red Hat 4.4.7-17)] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>> print('hello word')
hello word

7、软连接

rm -f /usr/bin/python
ln -s /usr/local/bin/python3.6 /usr/bin/python
rm -f /usr/bin/pip
ln -s /usr/local/bin/pip3.6 /usr/bin/pip

8、更改yum为python2

vi /usr/bin/yum   python改为python2
vi /usr/libexec/urlgrabber-ext-down
vi /usr/bin/yum-config-manager