I have tried to install Mathematica 12.1.1 on my Linux system. But the WolframScripts installing asked me that I should install it by root or sudo. I cannot get the root account and I want to install it just for my current user. How can I do that?

I have installed it with rpm2cpio, then I add all the [path]/bin paths to the ~/.bashrc and source it. But there is another question that occurred when I run wolframscript directly:

[quanfeng@XEON ~]$ wolframscript
/home/quanfeng/software/wolfram/bin/WolframKernel: line 15: uname: command not found
Cannot determine operating system.

However, if I run WolframKernel directly, there is no any question:

[quanfeng@XEON bin]$ WolframKernel
Mathematica 12.1.1 Kernel for Linux x86 (64-bit)
Copyright 1988-2020 Wolfram Research, Inc.

In[1]:= Exit[]

So, what does the message Cannot determine operating system mean and what should I do?

I found that the wolframscript cannot find the system command such as uname correctly, why and how to fix it?

  • $\begingroup$ IIRC, just tell the install script to use paths in your local tree, then add whatever path used for the binaries to your path list. $\endgroup$ – ciao Aug 14 at 0:43
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    $\begingroup$ @ciao , hello. I have renewed my question, and can you help me? $\endgroup$ – Fenyutanchan Wu Aug 14 at 2:24

I have already solved this problem. The critical point is that the root user has installed the Mathematica 11.2 with its WolframScript and the command rpm2cpio wolframscript.rpm | cpio -ivdm will extract the link file ./usr/bin/wolframscript linking to the file /opt/.../wolframscript which is for Mathematica 11.2. Therefore, I run export PATH=[The path of the binary file named "wolframscript" you have extracted before]:$PATH and WolframScript runs correctly.

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