su or sudo "command not found"

rogsf · Post by **rogsf** » Mon Mar 16, 2015 1:12 am

Hi,

Trying to do "su - admin" or "sudo", and I got "command not found".

Is there some env parameters that I need to set?

[~] # su - admin
-sh: su: command not found
[~] # sudo
-sh: sudo: command not found
[~] #

Thanks in advance.

forkless · Post by **forkless** » Mon Mar 16, 2015 3:18 am

Your 'admin' user is uid 0 (root)

rogsf · Post by **rogsf** » Mon Mar 16, 2015 6:03 am

Hi Forkless,

Thanks for replying. How about "sudo" command? it's said it's not found.

pwilson · Post by **pwilson** » Mon Mar 16, 2015 6:54 am

rogsf wrote:Hi Forkless,

Thanks for replying. How about "sudo" command? it's said it's not found.

Sudo is not part of the Firmware image. It never was.

You can install "sudo" via both Optware and Entware.

schumaku · Post by **schumaku** » Tue Mar 17, 2015 11:01 pm

..to su from admin uid:0 or sudo to admin uid:0 ... ? If login using admin you are already admin (uid:0 .. elsewhere named root).

pwilson · Post by **pwilson** » Wed Mar 18, 2015 10:21 am

schumaku wrote:..to su from admin uid:0 or sudo to admin uid:0 ... ? If login using admin you are already admin (uid:0 .. elsewhere named root).

as evidenced with:

Code: Select all

/usr/bin/id -a
uid=0(admin) gid=0(administrators) groups=0(administrators),100(everyone),1012(kvm),1013(libvirtd)

rogsf · Post by **rogsf** » Sun Mar 22, 2015 1:18 pm

Thanks Patrick and schumaku for your help

erdems · Post by **erdems** » Sun May 03, 2015 2:11 pm

Found this one while looking for a solution to the same problem.

In case you want to su to another user in your NAS for whatever reason (i.e. run a cron job with that user in that user's home etc.); an alternative is to install coreutils package:

Code: Select all

ipkg update ; ipkg install coreutils

Cheers,
Erdem

spamkutu · Post by **spamkutu** » Fri Aug 14, 2015 12:45 am

pwilson wrote:You can install "sudo" via both Optware and Entware.

What is Entware and how to install please and also Optware in Qnap..

dolbyman · Post by **dolbyman** » Fri Aug 14, 2015 1:11 am

check

http://forum.qnap.com/viewtopic.php?f=320&t=100843

schumaku · Post by **schumaku** » Fri Aug 14, 2015 1:17 am

For Entware, start here -> http://forum.qnap.com/viewtopic.php?f=3 ... &start=135

Optware is an obsolete package manager, much more incomplete.

But ey, what for you need sudo if there is no login for any users different from admin anyway? Better don't expose the non-default OpenSSH sshd to the Internet - seriously...

spamkutu · Post by **spamkutu** » Fri Aug 14, 2015 1:27 am

schumaku wrote:
But ey, what for you need sudo if there is no login for any users different from admin anyway? Better don't expose the non-default OpenSSH sshd to the Internet - seriously...

Maybe he could disable default admin and put to another users as a substitute a sudoers to fear somethings corrupt.

musabasjo · Post by **musabasjo** » Fri Aug 28, 2015 3:44 pm

I know very little. Statement.

I apparently need the command sudo to get a beta weather program called cumulus to work on my QNAP 212P NAS. I have winscp and putty programs and copied cumulus files to /usr/bin/CumuluxMX folder. I need to run mono (already installed via qpkg) and cumulusmx.exe and told to type
sudo mono CumulusMX.exe

There is no version of Outward for qnap that I can find and entware looks very complicated to get on to the qnap. I need very simple instructions on how to install sudo .

Can anyone help?

David

schumaku · Post by **schumaku** » Fri Aug 28, 2015 4:30 pm

Hi David,

Appears a pre-requirement for CumulusMX is the availability of Mono. To keep the story short - here the part applicable to U**x-derivatives, to the QNAP NAS in general, and your TS-212 in special.

- sudo is a program for U**x-like computer operating systems that allows users to run programs with the security privileges of another user, by default the user with hte uid:0, often named root.
- On the QNAP NAS, admin _is_ running as uid:0 - so no need for sudo.
- QNAP does offer Mono for x86 based (Intel, AMD) NAS models only - either form the App Center, or form the community builds -> http://forum.qnap.com/viewtopic.php?f=2 ... 46#p477383

To conclude (your?) thread here ... http://sandaysoft.com/forum/viewtopic.php?f=27&t=14232 ... the problem is not sudo ... much more mono. And then the fact that QNAP does not add each and every binary path to the path variable, and you might have to call the binary by using it's relative or full path. But that's beyond of the scope here.

Last ... just "blindy" using copy or move commands workable on generic U*x platforms will cause issues on an embedded system as we have here on the QNAP NAS. I'm shuddering to read about ideas of copy a what is supposed to be a Web application to /root or to /usr/bin ...

Regards,
-Kurt.

musabasjo · Post by **musabasjo** » Fri Aug 28, 2015 7:45 pm

Ah..... time to give up and perhaps dig out my old HP ProLiant microserver (runs on windows home server).
Many thanks for your full and understandable explanation.

Regards. David.

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