1.下载
cd /usr/local/src/
sudo wget http://www.python.org/ftp/python/3.6.0/Python-3.6.0.tgz
sudo chmod 777 Python-3.6.0.tgz
sudo tar -xzvf Python-3.6.0.tgz
2.安装
cd
Python-3.6.0/
./configure –prefix=/usr/local/Python-3.6.0/
重新编译安装需要先执行make clean 和 make distclean
sudo make
报错:zipimport.ZipImportError: can’t decompress data; zlib not available
安装依赖包:yum -y install zlib*
sudo make install
浏览旧版本
cd
/usr/bin/
ls -l python*
配置新版本:
echo $PATH
PATH=$PATH:/usr/local/Python-3.6.0/bin
echo $PATH
要永久生效:
vi /etc/profile 在末尾添加:
export PATH=$PATH:/usr/local/Python-3.6.0/bin
保存
source /etc/profile
链接新版本
cd
/usr/bin/
sudo rm -rf python
sudo ln -s /usr/local/Python-3.6.0/bin/python3 ./python
输入python检查是否更新,进入后可输入exit()退出python.
python
还原旧版本:
ll python*
sudo rm -rf python
sudo ln -s /usr/bin/python2.6 ./python