centOS安装python3

Linux 环境安装

cd /tmp
1.  yum install openssl-devel bzip2-devel expat-devel gdbm-devel readline-devel sqlite-devel  mysql-devel gcc gcc-devel python-devel  
2.  wget "https://www.python.org/ftp/python/3.5.0/Python-3.5.0.tgz"
3.  tar -zxvf Python-3.5.0.tgz
4.  mkdir /usr/local/python3
5.  Python-3.5.0/configure --prefix=/usr/local/python3
6.  make
7.  make install
8.  ln -s /usr/local/python3/bin/python3 /usr/bin/python3

安装pip3 和 virtualenv

ln -s /usr/local/python3/bin/pip3 /usr/bin/pip3
pip install virtualenv
ln -s /usr/local/python3/bin/virtualenv /usr/bin/virtualenv
virtualenv -p /usr/bin/python3 环境名称