centos7环境下安装python3

• 安装依赖

yum install -y openssl-devel openssl-static zlib-devel lzma tk-devel xz-devel bzip2-devel ncurses-devel gdbm-devel readline-devel sqlite-devel gcc libffi-devel

• 下载Python

wget https://www.python.org/ftp/python/3.7.0/Python-3.7.0.tgz

• 解压文件

tar -zxvf ./Python-3.7.0.tgz -C /usr/local/Python-3.7.0

• 编译并安装

./configure --prefix=/usr/local/python3
make && make install

• 创建软连接

ln -s /usr/local/python3/bin/python3 /usr/bin/python3
ln -s /usr/local/python3/bin/pip3 /usr/bin/pip3

• 测试是否成功

python3 
pip3 list

• 后台运行Python程序

yum install coreutils # 安装nohub
nohup python -u xxx.py > test.log 2>&1 &
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