linux下编译安装python 2.7
# 下载 Python 2.7.13 源码包wget https://www.python.org/ftp/python/2.7.13/Python-2.7.13.tar.xz
# 解压缩
tar -Jxvf Python-2.7.13.tar.xz
# 切换到 Python 源码目录
cd Python-2.7.13.tar.xz
# 编译前的配置
./configure --enable-optimizations
# 编译
make
# 安装
sudo make install
操作步骤如下:1)安装devtoolset
yum groupinstall "Development tools"
2)安装编译Python需要的包包
yum install zlib-devel
yum install bzip2-devel
yum install openssl-devel
yum install ncurses-devel
yum install sqlite-devel
3)下载并解压Python 2.7.9的源代码
cd /opt
wget --no-check-certificate https://www.python.org/ftp/python/2.7.9/Python-2.7.9.tar.xz
tar xf Python-2.7.9.tar.xz
cd Python-2.7.9
4)编译与安装Python 2.7.9
./configure --prefix=/usr/local
make &&make altinstall
5)将python命令指向Python 2.7.9
ln -s /usr/local/bin/python2.7 /usr/local/bin/python
6)检查Python版本
sh
sh-4.1# python -V
Python 2.7.9
系统默认自带2.7,要运行python3,终端运行python3就行了,千万别把系统默认python版本改成3,后果自负
直接用
apt-get
安装python3
Python多个版本是可以和谐共处的。