RedHat7.0 安装 Python3

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1.下载

1.官网下载

https://www.python.org/ftp/python/3.6.8/Python-3.6.8.tgz

2.解压文档

tar -zxvf Python-3.6.8.gz

2.准备

1.编译环境

yum install gcc

2.安装依赖包

python的pip需要依赖zlib，openssl。

yum install zlib* openssl*

3.安装

1.进入目录Python-3.6.8

cd Python-3.6.8

2.预编译

./configure --prefix=/usr/python-3.6.8 --enable-optimizations

3.编译

make

4.安装

make install

4.配置环境变量

1.打开文件.bashrc

sudo vim ~/.bashrc

2.编辑文件.bashrc

在文件的最后一行新建一行PATH=$PATH:/usr/python-3.6.8/bin

# .bashrc

# Source global definitions
if [ -f /etc/bashrc ]; then
        . /etc/bashrc
fi

# Uncomment the following line if you don't like systemctl's auto-paging feature:
# export SYSTEMD_PAGER=

# User specific aliases and functions
PATH=$PATH:/usr/python-3.6.8/bin

3.保存退出.bashrc

Esc->:wq

4.应用配置.bashrc

source ~/.bashrc