1.安装依赖包

# yum install zlib-devel bzip2-devel openssl-devel ncurses-devel sqlite-devel wget xz -y

2.编译安装python2.7

# cd ~ 

# wget --no-check-certificate https://www.python.org/ftp/python/2.7.9/Python-2.7.9.tar.xz

# tar xvfJ Python-2.7.9.tar.xz 

# cd Python-2.7.9

# ./configure --prefix=/usr/local

# make && make altinstall

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

退出SSH并重新登录

# python -V

Python 2.7.9

# which python

/usr/local/bin/python

3.安装python setuptools

# python ez_setup.py

# which easy_install

/usr/local/bin/easy_install

# /usr/local/bin/easy_install-2.7 pip

# ll /usr/local/bin

total 6136
-rwxr-xr-x 1 root root     101 Oct 29 02:34 2to3
-rwxr-xr-x 1 root root     323 Oct 29 02:42 easy_install
-rwxr-xr-x 1 root root     331 Oct 29 02:42 easy_install-2.7
-rwxr-xr-x 1 root root      99 Oct 29 02:34 idle
-rwxr-xr-x 1 root root     287 Oct 29 02:48 pip
-rwxr-xr-x 1 root root     289 Oct 29 02:48 pip2
-rwxr-xr-x 1 root root     293 Oct 29 02:48 pip2.7
-rwxr-xr-x 1 root root      84 Oct 29 02:34 pydoc
lrwxrwxrwx 1 root root      24 Oct 29 02:36 python -> /usr/local/bin/python2.7
-rwxr-xr-x 1 root root 6224569 Oct 29 02:34 python2.7
-rwxr-xr-x 1 root root    1687 Oct 29 02:34 python2.7-config
-rwxr-xr-x 1 root root   18547 Oct 29 02:34 smtpd.py

升级完毕