Centos-安装py3

# 1 安装依赖
yum install gcc openssl-devel bzip2-devel expat-devel gdbm-devel readline-devel sqlite-devel libffi-devel tk-devel wget curl-devel
# 2 wget下载链接
cd /tmp
wget https://www.python.org/ftp/python/3.7.4/Python-3.7.4.tgz
# 3 解压tgz包
tar -zxvf Python-3.7.4.tgz
# 4 编译安装
cd Python-3.7.4
./configure prefix=/usr/local/python3
make && make install
# 5 创建软链接
ln -s /usr/local/python3/bin/python3 /usr/bin/python3
ln -s /usr/local/python3/bin/pip3 /usr/bin/pip3