Centos7下安装Python3.7
Centos7下安装Python3.7首先安装依赖包，centos里面是-devel，如果在ubuntu下安装则要改成-dev，依赖包缺一不可，笔者曾安装python3未成功就是因为没有安装libffi-deve
sudo yum -y groupinstall "Development tools"
sudo 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 libffi-devel
然后获取python3.7的安装包
wget https://www.python.org/ftp/python/3.7.0/Python-3.7.0a1.tar.xz
解压
cd ~/Download
tar -xvJfPython-3.7.0a1.tar.xz
配置python3的安装目录并安装
cd Python-3.7.0a1
./configure --preix=/usr/local/bin/python3
sudo make
sudo make install
创建软链接
ln -s /usr/local/bin/python3/bin/python3 /usr/bin/python3
ln -s /usr/local/bin/python3/bin/pip3 /usr/bin/pip3
最后在命令行中输入python3，能够进入python3终端即成功安装
http://i2.运维网.com/images/blog/201807/10/80d7bfc36228ae81fbf17d435a9d7bc4.png?x-oss-process=image/watermark,size_16,text_QDUxQ1RP5Y2a5a6i,color_FFFFFF,t_100,g_se,x_10,y_10,shadow_90,type_ZmFuZ3poZW5naGVpdGk=
转载链接：https://blog.csdn.net/elija940818/article/details/79238813
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