[root@squid ~]# sed -i 's#keepcache=0#keepcache=1#g' /etc/yum.conf
[root@squid ~]# grep keepcache /etc/yum.conf
keepcache=1
[root@squid ~]# ls /var/cache/yum/x86_64/6/base/packages/
yum groupinstall "Development tools"
yum -y install zlib-devel bzip2-devel openssl-devel ncurses-devel sqlite-devel readline-devel tk-devel
tar -Jxvf Python-3.4.3.tar.xz
mkdir /usr/local/python3
cd Python-3.4.3/
mkdir /usr/local/python3
cd Python-3.4.3/
./configure --prefix=/usr/local/python3
make
make install
cd /usr/bin/
ln -s /usr/local/python3/bin/python3 /usr/bin/python3
ln -s /usr/local/python3/bin/pip3 /usr/bin/pip3
[root@squid ~]# pip3
[root@squid ~]# python3
Python 3.4.3 (default, Jun 17 2016, 13:34:53)
[GCC 4.8.5 20150623 (Red Hat 4.8.5-4)] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>>
vim /usr/bin/yum
#!/usr/bin/python2.7
vim /usr/libexec/urlgrabber-ext-down
#! /usr/bin/python2.7
mv python python2.6
mv python python2.7
1. 准备
安装模块
# yum groupinstall "Development tools"
# yum install zlib-devel bzip2-devel openssl-devel ncurses-devel sqlite-devel readline-devel tk-devel
Python3.4 安装
下载代码 configure → make → make altinstall
# cd /usr/local/src
# wget https://www.python.org/ftp/python/3.4.3/Python-3.4.3.tgz
# tar -zxvf Python-3.4.3.tgz
# cd Python-3.4.3
# ./configure --prefix=/usr/local/python
# make && make altinstall
安装Python3.4 ：公用库的安装
# echo "/usr/local/python/lib" >> /etc/ld.so.conf
# ldconfig
安装Python3.4： 4. /usr/local/bin/
# ln -s /usr/local/python/bin/python3.4 /usr/local/bin/python
安装Python3.4 ：5. 确认是否安装正确
# /usr/local/python/bin/python3.4 -V
# python -V
安装Python3.4 Easy_Install
# cd /usr/local/src
# wget https://pypi.python.org/…/s/setuptools/setuptools-18.0.1.zip
# unzip setuptools-18.0.1.zip
# cd setuptools-18.0.1
# /usr/local/bin/python setup.py install
# ln -s /usr/local/python/bin/easy_install /usr/local/bin/easy_install
安装Python3.4 ：Pip
# /usr/local/bin/easy_install pip
# ln -s /usr/local/python/bin/pip /usr/local/bin/pip
安装Python3.4： Virtualenv
# pip install virtualenv
# ln -s /usr/local/python/bin/virtualenv /usr/local/bin/virtualenv
安装Python3.4 ：Virtualenvwrapper
# pip install virtualenvwrapper
安装Python3.4 ：参数设定
$ vim ~/.bashrc
if [ -f /usr/local/python/bin/virtualenvwrapper.sh ]; then
export WORKON_HOME=$HOME/.virtualenvs
source /usr/local/python/bin/virtualenvwrapper.sh
fi