python3环境搭建，,安装依赖环境yum

python3环境搭建，,安装依赖环境yum

安装依赖环境

yum -y install zlib-devel bzip2-devel openssl-devel ncurses-devel sqlite-devel readline-devel tk-devel gdbm-devel db4-devel libpcap-devel xz-devel  

下载python3

centos系统下安装

wget https://www.python.org/ftp/python/3.7.1/Python-3.7.1.tgz

安装python3

//移动到一个合适的目录方便查找mkdir -p /usr/local/python3mv Python-3.7.1.tgz /usr/local/python3//解压包tar -zxvf Python-3.7.1.tgz//指定编译位置，就是当前位置./configure --prefix=/usr/local/python3//安装make && make install//建立软链接ln -s  /usr/local/python3/bin/python3 /usr/bin/python3//.bash_profile添加查找路径PATH=$PATH:$HOME/bin:/usr/local/python3/bin//更新source ~/.bash_profile

报错处理

1. ModuleNotFoundError: No module named ‘_ctypes 安装 yum install -y gcc 2. configure: error: no acceptable C compiler found in $PATH 安装  yum install -y libffi-devel  3. python链接已存在 改名 mv /usr/bin/python  /usr/bin/python.bak

python3环境搭建