Centos 7 python升级（2.7.5-》2.7.11）

1.安装升级GCC

yum install gcc* openssl openssl-devel ncurses-devel.x86_64  bzip2-devel sqlite-devel python-devel zlib

2.下载python安装包

wget https://www.python.org/ftp/python/2.7.11/Python-2.7.11.tar.xz

3.解压

xz -d Python-2.7.11.tar.xz

tar -xvf Python-2.7.11.tar

4.编译安装

cd Python-2.7.11

./configure --prefix=/usr/local

make && make install

5.将老版本python更换

mv /usr/bin/python /usr/bin/python2.7.5

6.更换默认python

export PATH="/usr/local/bin:$PATH"

或者

ln -s /usr/local/bin/python2.7  /usr/bin/python

7.下载setuptools

wget --no-check-certificate https://pypi.python.org/packages/source/s/setuptools/setuptools-1.4.2.tar.gz

8.安装setuptools

tar -xvf setuptools-1.4.2.tar.gz

cd setuptools-1.4.2

python setup.py install

9.下载安装pip

wget "https://pypi.python.org/packages/source/p/pip/pip-1.5.4.tar.gz#md5=834b2904f92d46aaa333267fb1c922bb" --no-check-certificate

pip 安装命令为：

 tar -xzvf pip-1.5.4.tar.gz
 cd pip-1.5.4
 python setup.py install

pip install --upgrade pip升级

 

10.#修改 yum中的python 将#!/usr/bin/python改为 #!/usr/bin/python2.7.5

vim /usr/bin/yum

 

vi /usr/libexec/urlgrabber-ext-down
把头部的python改成和/usr/bin/yum中一样的