下載地址：

https://www.python.org/ftp/python/2.7.10/Python-2.7.10.tgz

下載文件到指定目錄

[root@operations ~]# cd /usr/local/

[root@operations local]# wget https://www.python.org/ftp/python/2.7.10/Python-2.7.10.tgz

--19:12:59-- ?https://www.python.org/ftp/python/2.7.10/Python-2.7.10.tgz

Resolving www.python.org... 103.245.222.223

Connecting to www.python.org|103.245.222.223|:443... connected.

ERROR: cannot verify www.python.org's certificate, issued by `/C=US/O=DigiCert Inc/OU=www.digicert.com/CN=DigiCert SHA2 Extended Validation Server CA':

? Unable to locally verify the issuer's authority.

To connect to www.python.org insecurely, use `--no-check-certificate'.

Unable to establish SSL connection.

注：建立連接失敗，原因是目標網站證書不可用，使用`--no-check-certificate'進行忽略。

[root@operations local]# wget https://www.python.org/ftp/python/2.7.10/Python-2.7.10.tgz --no-check-certificate

2. 解壓文件

[root@operations local]# tar zxvf Python-2.7.10.tgz

[root@operations local]# ls |grep Python

Python-2.7.10

Python-2.7.10.tgz

3. 安裝

[root@operations local]# cd Python-2.7.10

[root@operations Python-2.7.10]# ls

aclocal.m4 ? ?Demo ? ? ? ?Lib ? ? ? ? ? ? ?Modules ?pyconfig.h.in ?Tools

config.guess ?Doc ? ? ? ? LICENSE ? ? ? ? ?Objects ?Python

config.sub ? ?Grammar ? ? Mac ? ? ? ? ? ? ?Parser ? README

configure ? ? Include ? ? Makefile.pre.in ?PC ? ? ? RISCOS

configure.ac ?install-sh ?Misc ? ? ? ? ? ? PCbuild ?setup.py

[root@operations local]# cd Python-2.7.10

[root@operations Python-2.7.10]# ./configure --prefix=/usr/local/python2.7.10

[root@operations Python-2.7.10]# make && make install

4. 更新系統環境變量

[root@operations ~]# cd /usr/local/Python-2.7.10

[root@operations Python-2.7.10]# cd ../python2.7.10/

[root@operations python2.7.10]# ll

total 16

drwxr-xr-x 2 root root 4096 Aug 23 20:34 bin

drwxr-xr-x 3 root root 4096 Aug 23 20:34 include

drwxr-xr-x 4 root root 4096 Aug 23 20:34 lib

drwxr-xr-x 3 root root 4096 Aug 23 20:34 share

[root@operations python2.7.10]# python -V ??

Python 2.4.3 ? [目前還是2.4.3版本]

[root@operations python2.7.10]# whereis python

python: /usr/bin/python /usr/bin/python2.4 /usr/lib/python2.4 /usr/include/python2.4 /usr/share/man/man1/python.1.gz

方法1：

[root@operations python2.7.10]# mv /usr/bin/python /usr/bin/python2.4.3

在/etc/profile文件中添加以下兩行

PATH=$PATH:/usr/local/python2.7.10/bin

export PATH

[root@operations python2.7.10]# . /etc/profile

[root@operations python2.7.10]# python -V

Python 2.7.10

方法2：設置軟連接

[root@operations python2.7.10]# mv /usr/bin/python /usr/bin/python2.4.3

[root@operations profile.d]# ln -s /usr/local/python2.7.10/bin/python /usr/bin/python

[root@operations profile.d]# ll /usr/bin/python

lrwxrwxrwx 1 root root 34 Aug 23 20:43 /usr/bin/python -> /usr/local/python2.7.10/bin/python

[root@operations profile.d]# python -V

Python 2.7.10

轉載于:https://blog.51cto.com/19901007/1687449

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