linux 安装python3

【linux 安装python3】1 安装依赖包

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 gcc

2 下载解压Python3.7
# 2 下载 wget http://www.python.org/ftp/python/3.7.1/Python-3.7.1.tar.xz

# 3 解压 tar -xvf Python-3.7.1.tar.xz

# 4 切换目录 cd Python-3.7.1

3 执行配置文件,编译,安装
mkdir /usr/local/python3 ./configure --prefix=/usr/local/python3 make make install

4 建立软连接
ln -s /usr/local/python3/bin/python3.7 /usr/bin/python3 ln -s /usr/local/python3/bin/pip3.7 /usr/bin/pip3

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