python3.x Linux安装

# 下载最新版本cd /usr/local/src/sudo wget http://www.python.org/ftp/python/3.3.2/Python-3.3.2.tar.bz2sudo chmod 777 Python-3.3.2.tar.bz2 sudo tar -jx -f Python-3.3.2.tar.bz2# 安装cd Python-3.3.2/./configure --prefix=/usr/local/Python-3.3.2/sudo makesudo make install# 浏览旧版本cd /usr/bin/ls -l python*# 配置新版本：echo $PATHPATH=$PATH:/usr/local/Python-3.3.2/binecho $PATH# 链接新版本cd /usr/bin/sudo rm -rf pythonsudo ln -s /usr/local/Python-3.3.2/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 pythonsudo ln -s /usr/bin/python2.6 ./python