Why echo 'password' | sudo -S sudo -s does not work whereas echo 'password' | sudo -S mount -a works?

[Robert Heller]

At Mon, 8 Feb 2021 09:54:16 +0800 "Ubuntu user technical support, not for general discussions" <ubuntu-users at lists.ubuntu.com> wrote:

> 
> Content-Type: text/plain
> 
> Why echo 'password' | sudo -S sudo -s does not work whereas echo
> 'password' | sudo -S mount -a works?

Why are you sudo from sudo?

Did you try

echo 'password' | sudo -S -s 

?

Would that not do what you want?





> 
> Here is the error message:
> 
> vk at localhost:~$ echo 'password' | sudo -S sudo -s
> /bin/bash: line 1: 1: command not found
> 
> I know that running a shell as root could be simply achieved by sudo
> -s(instead of the aforementioned comand).But I really need to invoke
> the said command indeed.
> 
> I would be grateful to have some help with this question.
> 

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