Linux下Python安装
系统环境:centos 7.6
Python 版本:Python-3.6.8
1. 环境依赖
Python3.x 的安装需要依赖这四个组件:gcc, zlib,zlib-devel,openssl-devel;所以需要预先安装,命令如下:
yum install gcc -y
yum install zlib -y
yum install zlib-devel -y
yum install openssl-devel -y
2. 下载编译
Python 源码包下载地址: https://www.python.org/downloads/
# wget https://www.python.org/ftp/python/3.6.8/Python-3.6.8.tgz
3. 解压编译
# tar -zxvf Python-3.6.8.tgz
进入根目录进行编译,可以指定编译安装的路径,这里我们指定为 /usr/app/python3.6
:
# cd Python-3.6.8
# ./configure --prefix=/usr/app/python3.6
# make && make install
4. 环境变量配置
vim /etc/profile
export PYTHON_HOME=/usr/app/python3.6
export PATH=${PYTHON_HOME}/bin:$PATH
使得配置的环境变量立即生效:
source /etc/profile
5. 验证安装是否成功
输入 python3
命令,如果能进入 python 交互环境,则代表安装成功:
[root@hadoop001 app]# python3
Python 3.6.8 (default, Mar 29 2019, 10:17:41)
[GCC 4.8.5 20150623 (Red Hat 4.8.5-36)] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>> 1+1
2
>>> exit()
[root@hadoop001 app]#
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