centos 安装python3.9
1.安装依赖
sudo yum groupinstall -y "Development Tools" sudo yum install -y zlib-devel bzip2-devel openssl-devel ncurses-devel sqlite-devel readline-devel tk-devel gdbm-devel db4-devel libpcap-devel xz-devel libffi-devel
2. 下载python3 源码
wget https://www.python.org/ftp/python/3.x.x/Python-3.x.x.tgz
3. 解压python 压缩包
tar xvf Python-3.x.x.tgz
4.编译安装
cd Python-3.x.x ./configure --enable-optimizations make altinstall
5.更新默认路径
export PATH=/usr/local/bin:$PATH