python3安装

首先要安装所有的安装依赖:

<code>yum install gcc patch libffi-devel python-devel zlib-devel bzip2-devel openssl-devel ncurses-devel sqlite-devel readline-devel tk-devel gdbm-devel db4-devel libpcap-devel xz-devel -y/<code>

下载Python

<code>wget https://www.python.org/ftp/python/3.6.7/Python-3.6.7.tar.xz   # (版本号自己可以去官网看)/<code>

解压、安装

<code>xz -d Python-3.6.7.tar.xz #去掉.xz压缩后缀/<code>
<code> tar -xvf Python-3.6.7.tar #解压缩 cd Python-3.6.7/<code>
<code>./configure --prefix=/usr/local/python3//<code>
<code>make && make install/<code>

注: 如何删除软链,用rm命令即可,例如


rm /usr/bin/pip3

查看版本号:

<code>python3 -m venv .py3/<code>


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