1.python 下载:
wget https://www.python.org/ftp/python/3.5.0/Python-3.5.0.tar.xz
2.解压安装包并安装
tar Jxvf Python-3.5.0.tar.xz #解压下载的源码包
cd Python-3.5.0 #换到源码包的目录下
./configure --prefix=/opt/python3.5 #说明:指定按装目录:/opt/python3.5
make && make install #编译并且安装
3.配置软连接:
#python软连
ln -s /opt/python36/bin/python3.6 /usr/bin/python3
ln -s /opt/python36/bin/pip3 /usr/bin/pip3
4.配置环境变量
PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/root/bin:/opt/python3.5/bin
保存退出
读一下这个/etc/profile 使得生效
source /etc/profile
5.查看python是否安装成功 Python3,如图所示安装成功