CentOS 6.9编译安装Python-2.7.14(python升级)

参考

Python官网:https://www.python.org/

阿里云 https://www.aliyun.com/jiaocheng/517192.html

一、查看CentOS版本和系统默认Python版本:

#cat /etc/redhat-release

#python -V

二、编译安装Python-2.7.14:

1、安装依赖软件包及包组:

#yum -y groupinstall "Developmenttools" （在线、离线yum均可使用）

#yum -y install zlib-devel bzip2-devel openssl-devel ncurses-devel sqlite-deve xz gcc readline-devel tk-devel gdbm-devel db4-devel xz-devel man （在线、离线yum均可使用）

#yum -y install libpcap-devel （仅在线yum可使用）

2、设置CentOS 6.9当前系统时间:

# date 071017452017.20

# date

3、编译安装Python-2.7.14:

# cd /usr/src

# wget https://www.python.org/ftp/python/2.7.14/Python-2.7.14.tar.xz

# tar -xf Python-2.7.14.tar.xz -C /usr/src

# cd /usr/src/Python-2.7.14

# ./configure --prefix=/usr/local/python2.7.14 --enable-shared--enable-profiling --disable-ipv6 --with-signal-module --with-dec-threads--with-threads --with-pth --with-doc-strings --with-tsc --with-pymalloc--with-wctype-functions --with-fpectl | tee /tmp/python2.7.14.out

# less /tmp/python2.7.14.out

# make

# make install

4、更改CentOS 6.9的默认Python版本为2.7.14:

# mv /usr/bin/python /usr/bin/python2.6.6-old

# ln -s /usr/local/python2.7.14/bin/python2.7 /usr/bin/python

5 、添加至PATH环境变量:

vim /etc/profile

/export PATH //找到设置PATH的行，添加

export PATH=$PATH:/usr/local/python2.7.14/bin

# echo $PATH

重启操作系统

6、 配置头文件:

# ln -s /usr/local/python2.7.14/include /usr/include/python2.7.14

7、配置库文件:

# echo "/usr/local/python2.7.14/lib" >/etc/ld.so.conf.d/python2.7.14.conf

# cat /etc/ld.so.conf.d/python2.7.14.conf

# ldconfig

8、 配置man帮助文档:

# vim /etc/man.config,新增如下代码:

MANPATH /usr/local/python2.7.14/share/man

9、 查看配置后的Python版本:

# python -V

# python2 -V

# python2.6.6-old -V

10、修改旧的pip，并将默认的pip指向2.7

# mv /usr/bin/pip /usr/bin/pip2.6.6-old

# ln -s /usr/local/python2.7.14/bin/pip2.7 /usr/bin/pip

11、升级pip9.0到pip10.0

下载好pip10.0.1的安装包，链接为：https://files.pythonhosted.org/packages/ae/e8/2340d46ecadb1692a1e455f13f75e596d4eab3d11a57446f08259dee8f02/pip-10.0.1.tar.gz

#tar -zxvf pip-10.0.1.tar.gz

#cd pip-10.0.1

#python setup.py install

12、解决yum无法使用的问题：

#cd /usr/bin/

#vi yum

将第一行的 #!/usr/bin/python 改为 #!/usr/bin/python2.6.6-old 将yum指向旧的python2.6.6