CentOS下安装Python3.4

系统环境：CentOS 7.2　　

CentOS7安装Python3.4 ，让Python2和3共存

编译需要的一些包：

yum -y groupinstall "Development tools"
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　　

下载解压并编译

# 国内源 https://www.python.org/ftp/python/3.4.3/Python-3.4.3.tgz

# 下载
wget https://www.python.org/ftp/python/3.4.3/Python-3.4.3.tgz

# 创建目录
mkdir /usr/local/python34 -pv

# 解压并编译
tar -zxvf Python-3.4.3.tgz 
cd Python-3.4.3
./configure --prefix=/usr/local/python34
make && make install

# 创建链接
ln -s /usr/local/python34/bin/python3 /usr/bin/python3
ln -s /usr/local/python34/bin/pip3.4 /usr/bin/pip3　　

可选! 删除编译过后的文件和所依赖的包

yum groupremove "Development tools" --remove-leaves
yum remove zlib-devel bzip2-devel openssl-devel ncurses-devel sqlite-devel readline-deve