python2.7.2的安装

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1、下载
可从 http://www.python.org/进行下载

wget http://www.python.org/ftp/python/2.7.2/Python-2.7.2.tar.bz2

2、解压
tar jxvf Python-2.7.2.tar.bz2

3.进入目录安装：
./configure --prefix=/usr/local/Python2.7 --enable-shared

./configure --prefix=/usr --enable-shared(此处我修改为这个配置,这样就不需要下面增加软链接了)
make
make install

当出现 libpython2.7.so.1.0的错误时：
[root@CNC-BJ-5-3N1 bin]# ./python
./python: error while loading shared libraries: libpython2.7.so.1.0: cannot open shared object file: No such file or directory
[root@CNC-BJ-5-3N1 bin]# pwd
/usr/local/Python2.7/bin
[root@CNC-BJ-5-3N1 bin]# /usr/local/Python2.7/bin/python2.7
/usr/local/Python2.7/bin/python2.7: error while loading shared libraries: libpython2.7.so.1.0: cannot open shared object file: No such file or directory
[root@CNC-BJ-5-3N1 bin]# pwd
/usr/local/Python2.7/bin

/usr/local/Python2.7/lib

libpython2.7.so.1.0的错误时的解决办法：

（cp libpython2.7.so.1.0 /usr/lib64/）

(2) vi /etc/ld.so.conf 添加/usr/local/Python2.7/lib

/sbin/ldconfig
/sbin/ldconfig -v

参考：
http://www.cnblogs.com/amboyna/archive/2008/02/06/1065322.html

(3) 使用新安装的python:
mv /usr/bin/python /usr/bin/python.bak
ln -s /usr/local/Python2.7/bin/python2.7 /usr/bin/python

(4)因为yum默认的是使用python2.4,为了使yum命令能正确执行,需要修改
[root@CNC-BJ-5-3N1 bin]# vi yum
将#!/usr/bin/python 改为 #!/usr/bin/python2.4

./configure --prefix=/usr/local/Python2.7 --enable-shared

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hive thrift python 安装：

cp -r /usr/local/hive-0.9.0/lib/py /usr/lib/python2.7/site-packages

python 加入mysql模块：

rpm -ivh MySQL-shared-compat-6.0.9-0.rhel5.x86_64.rpm

rpm -ivh MySQL-python-1.2.3-0.1.c1.el5.x86_64.rpm