# 安装 python3 {#安装-python3}

本文讲解 centos 系统上安装 python3 的步骤。

# 1. 约定 {#_1-约定}

操作系统：CentOS release 6.9 (Final)

# 2. 准备资源 {#_2-准备资源}

python 源码：/root/Python-3.6.4.tar.gz

# 3. 安装步骤 {#_3-安装步骤}

yum install gcc zlib-devel openssl-devel

tar -zxvf /root/Python-3.6.4.tar.gz -C /root
cd /root/Python-3.6.4
./configure --prefix=/usr/local/python3 --enable-shared
make
make install

vi /root/.bashrc

export PYTHON3_HOME=/usr/local/python3
export PATH=$PYTHON3_HOME/bin:$PATH

source /root/.bashrc

echo /usr/local/python3/lib/ > /etc/ld.so.conf.d/python3.conf
ldconfig

python3 --version