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didn't can use "fdisk"!

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  didn't can use "fdisk"! fuf <fuflono@gmail.com> - 2023-12-01 20:30 +0100
    Re: didn't can use "fdisk"! Tom Furie <tom@furie.org.uk> - 2023-12-01 20:40 +0100
    Re: didn't can use "fdisk"! Greg Wooledge <greg@wooledge.org> - 2023-12-01 20:40 +0100
    Re: didn't can use "fdisk"! Andy Smith <andy@strugglers.net> - 2023-12-01 20:50 +0100
      Re: didn't can use "fdisk"! Greg Wooledge <greg@wooledge.org> - 2023-12-01 21:10 +0100

#264054 — didn't can use "fdisk"!

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Hello all.
I'm embarrassed because didn't can use "fdisk"!
I work as normal user, open the terminal, switch to "root" user but get:
root@debian:/sbin# fdisk  -l
bash: fdisk: command not found

whereas:
root@debian:/sbin# ls -al
.....
-rwxr-xr-x  1 root root    169520 Mar 23  2023 fdisk
....
why?
I reinstalled "util-linux" and "fdisk" by "Synaptic" but nothing varied.

What is matter?, give me any advice, please.
    --fuf

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#264057

fuf <fuflono@gmail.com> writes:

> Hello all.
> I'm embarrassed because didn't can use "fdisk"!
> I work as normal user, open the terminal, switch to "root" user but
> get:
> root@debian:/sbin# fdisk  -l
> bash: fdisk: command not found
>
> whereas:
> root@debian:/sbin# ls -al
> .....
> -rwxr-xr-x  1 root root    169520 Mar 23  2023 fdisk

It would seem that /sbin isn't in your $PATH. What method did you use to
become root?

Cheers,
Tom

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#264059

On Fri, Dec 01, 2023 at 07:06:58PM +0000, fuf wrote:
> I'm embarrassed because didn't can use "fdisk"!
> I work as normal user, open the terminal, switch to "root" user but get:
> root@debian:/sbin# fdisk  -l
> bash: fdisk: command not found

https://wiki.debian.org/NewInBuster#Changes

Or the tl;dr version:

    echo 'ALWAYS_SET_PATH yes' >> /etc/default/su

After this, exit from your root shell, and "su" again, and this time
the PATH will be correctly set.

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#264061

Hi,

On Fri, Dec 01, 2023 at 07:06:58PM +0000, fuf wrote:
> root@debian:/sbin# fdisk  -l
> bash: fdisk: command not found
> 
> whereas:
> root@debian:/sbin# ls -al
> .....
> -rwxr-xr-x  1 root root    169520 Mar 23  2023 fdisk
> ....
> why?

My first guess is that you may have done "su" which results in you
not having /sbin in your path. So you need to execute it as
/sbin/fdisk, or "su -", or become root by some other means.

    https://sources.debian.org/src/util-linux/2.33.1-0.1/debian/util-linux.NEWS/
    https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=833256#80

This has been the case since the release of Debian 10 (buster).

If it's not that, please state Debian version, how you became root,
and

$ ls -la /sbin/fdisk

Thanks,
Andy

-- 
https://bitfolk.com/ -- No-nonsense VPS hosting

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#264062

On Fri, Dec 01, 2023 at 07:46:28PM +0000, Andy Smith wrote:
> My first guess is that you may have done "su" which results in you
> not having /sbin in your path. So you need to execute it as
> /sbin/fdisk, or "su -", or become root by some other means.

At this point, we no longer need to guess.  It's immediately clear.
Using "su -" is an acceptable solution, though not my preferred one if
this is your own system, as opposed to one where you are a "guest admin".
I'd rather fix the problem permanently, by putting appropriate content
into the /etc/default/su file.

unicorn:~$ cat /etc/default/su
ALWAYS_SET_PATH yes
unicorn:~$ su
Password: 
root@unicorn:/home/greg# declare -p PATH
declare -x PATH="/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin"
root@unicorn:/home/greg# 

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