python - 如何在 sudo 状态下更改 python 路径？

Question

我的问题是当我这样做时：

$ which python => 我把 /a/b/c/python 作为我的目录

但是如果我执行 $ sudo which python => 我会得到 /d/e/python 作为结果

如何更改 sudo 以匹配正常情况，这使得无法从源代码安装库。

Answer 1

根据https://askubuntu.com/questions/477987/two-python-distributions-sudo-picking-the-wrong-one ，这是 secure_path（在 /etc/sudoers 中指定）覆盖您的正常 PATH 的结果。

我通过提供我要运行的二进制文件的路径来解决它。例如：

$ which pip
/opt/local/bin/pip
$ sudo /opt/local/bin/pip install foo

这并不理想，但它可以工作并且不会破坏secure_path。

Answer 2

I would first try this:

sudo -i which python

which (indirectly) causes the root user's profile to be run, including any non-default configuration of the path. (By default, sudo doesn't bother with that.)

If that doesn't work, then that tells you that /usr/local/bin isn't in the path set up by the root user's profile (or isn't before /usr/bin), so your options are either to change the root user's profile and use the above, or else to use:

sudo -E which python

to preserve your path (and the rest of your environment). This may be less secure.

For full details on each of these options, see the sudo man-page.

Answer 3

它使用在 $PATH 中找到的第一个

尝试做

echo $PATH

然后

sudo bash -c 'echo $PATH'

我敢打赌这些是不同的。

在任何情况下，您在 /root 和当前用户中使用的 shell 通常都有某种 rc 脚本，只需将环境变量中的路径重新排列为您想要的路径即可。