认真学习也是有前提的:
好的学习环境, 好的学习方法, 好的学习状态
缺一不可哟!
CentOS安装Python3.7
1.下载Python源代码:
https://www.python.org/ftp/python/3.7.0/Python-3.7.0.tgz
2.解压缩
gunzip Python-3.7.0.tgz
3.解归档
tar -xvf Python-3.7.0.tar
4.安装底层依赖库
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
5.安装前的配置
./configure --prefix=/usr/local/Python37 --enable-optimizations
6.构建安装
make && make install
##7.配置环境变量
export PATH=$PATH:/usr/local/Python37/bin
##8.注册软连接(符号链接)
ln -s /usr/local/Python37/bin/python3 /usr/bin/python3
硬链接 - 文件的引用,只要引用数不为0,文件就不会被删除
软链接 - 相当于是文件的快捷方式,如果文件被删除,软链接就会失效
ln -s 带完整路径的文件名,链接文件名