【问题标题】:CentOS doesn't see python3.8 after installingCentOS安装后看不到python3.8
【发布时间】:2020-07-05 22:47:44
【问题描述】:

我已在本教程的帮助下安装了最新版本的 Python:https://computingforgeeks.com/how-to-install-python-on-3-on-centos/

“哪个”看到 python3.6 但没有看到 python3.8

[nikolay@nikovm ~]$ which python3.6
/bin/python3.6
[nikolay@nikovm ~]$ which python3.8
/usr/bin/which: no python3.8 in (/home/nikolay/.local/bin:/home/nikolay/bin:/sbin:/bin:/usr/sbin:/usr/bin) 

[nikolay@nikovm ~]$ python3.8
bash: python3.8: command not found  

[nikolay@nikovm ~]$ python3.6
Python 3.6.8 (default, Nov 21 2019, 19:31:34)
[GCC 8.3.1 20190507 (Red Hat 8.3.1-4)] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>>     

[nikolay@nikovm ~]$ ls /usr/local/lib
libpython3.8.a  pkgconfig  python3.6  python3.8
[nikolay@nikovm ~]$  

[nikolay@nikovm ~]$ ls /bin/ | grep python
python3
python3.6
python3.6m
unversioned-python

[nikolay@nikovm ~]$ ls /usr/bin/ | grep python
python3
python3.6
python3.6m
unversioned-python

旧版本 python (3.6) 可以工作。

我重装了python3.8很多次,还是不行。

请帮帮我)

【问题讨论】:

    标签: python linux bash installation centos


    【解决方案1】:

    默认情况下,在 CentOS 上,python 3.8 安装到 /usr/local/bin 中,根据您的“which”输出,它不在您的路径中。

    (/home/nikolay/.local/bin:/home/nikolay/bin:/sbin:/bin:/usr/sbin:/usr/bin)

    查看python3.8和其他3.8二进制文件是否在/usr/local/bin中

    如果是这样,请将其添加到您的路径中

    PATH=$PATH:/usr/local/bin
    

    然后再试一次。

    【讨论】:

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