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  • 默认python版本的更改

    [root@localhost bin]# cd /usr/local/bin
    [root@localhost bin]# ll
    total 5040
    -rwxr-xr-x 1 root root     367 Jan 19 17:45 pip
    -rwxr-xr-x 1 root root     369 Jan 19 17:45 pip2
    -rwxr-xr-x 1 root root     373 Jan 19 17:45 pip2.7
    -rwxr-xr-x 1 root root      84 Jan 21 12:26 pydoc
    -rwxr-xr-x 1 root root     223 Jan 19 17:47 pygmentize
    lrwxrwxrwx 1 root root      18 Feb  7 13:40 python -> /usr/bin/python2.6
    lrwxrwxrwx 1 root root       9 Jan 21 12:28 python2 -> python2.7
    -rwxr-xr-x 1 root root 4635628 Jan 21 12:27 python2.7
    -rwxr-xr-x 1 root root    1624 Jan 21 12:28 python2.7-config
    lrwxrwxrwx 1 root root      16 Jan 21 12:28 python2-config -> python2.7-config
    lrwxrwxrwx 1 root root      14 Jan 21 12:28 python-config -> python2-config
    -rwxr-xr-x 1 root root   18547 Jan 21 12:26 smtpd.py
    -rwxr-xr-x 1 root root   97298 Jan 19 22:11 sqlite3
    [root@localhost bin]# rm python
    rm: remove symbolic link `python'? y
    [root@localhost bin]# ln -s /usr/local/bin/python2.7 /usr/local/bin/python  # 改为2.7版本
    [root@localhost bin]# python -V
    Python 2.7.3
    [root@localhost bin]# rm python
    rm: remove symbolic link `python'? y
    [root@localhost bin]# ln -s /usr/bin/python2.6 /usr/local/bin/python  # 改为2.6版本
    [root@localhost bin]# python -V
    Python 2.6.6

    记录:为安装Numpy和Scipy,下载了python2.7,并把系统默认的python指向python2.7。但在使用setup配置时,发现网络配置点下去没有反应,报错" No module named snack ",怀疑python版本原因,故将系统默认的python指向python2.6,再将[ ln -s /usr/bin/python2.6 /usr/bin/python ]问题解决。

    参考:http://www.cnblogs.com/wnzhong/p/6308669.html

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  • 原文地址:https://www.cnblogs.com/wnzhong/p/6373784.html
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