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Sudo

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  Sudo Frank Jones <sandyman45@sky.com> - 2016-03-19 17:40 +0100
    Re: Sudo humbert.olivier.1@free.fr - 2016-03-19 17:50 +0100
    Re: Sudo Andrew McGlashan <andrew.mcglashan@affinityvision.com.au> - 2016-03-19 18:10 +0100
      Re: Sudo doug <dmcgarrett@optonline.net> - 2016-03-19 18:40 +0100
        Re: Sudo John Hasler <jhasler@newsguy.com> - 2016-03-19 18:50 +0100
          Re: Sudo Keith Bainbridge <keithrbaugroups@gmail.com> - 2016-03-20 06:10 +0100
            Re: Sudo Adam Wilson <moxalt@riseup.net> - 2016-03-20 09:30 +0100
            Re: Sudo Dan Ritter <dsr@randomstring.org> - 2016-03-20 16:30 +0100
      Re: Sudo Joe <joe@jretrading.com> - 2016-03-19 19:40 +0100
        Re: Sudo Sven Arvidsson <sa@whiz.se> - 2016-03-19 20:10 +0100
          Re: Sudo Joe <joe@jretrading.com> - 2016-03-19 20:40 +0100
            Re: Sudo Adam Wilson <moxalt@riseup.net> - 2016-03-20 09:30 +0100
              Re: Sudo Michael Milliman <michael.e.milliman@gmail.com> - 2016-03-21 05:40 +0100
                Re: Sudo Wolf Halton <wolf.halton@gmail.com> - 2016-03-21 06:30 +0100
                  Re: Sudo Michael Milliman <michael.e.milliman@gmail.com> - 2016-03-21 17:10 +0100
                    Re: Sudo Charlie Kravetz <cjk@teamcharliesangels.com> - 2016-03-21 18:00 +0100
                      Re: Sudo Richard Hector <richard@walnut.gen.nz> - 2016-03-21 22:30 +0100
                Re: Sudo Richard Hector <richard@walnut.gen.nz> - 2016-03-21 09:50 +0100
                  Re: Sudo <tomas@tuxteam.de> - 2016-03-21 10:20 +0100
                    Re: Sudo Richard Hector <richard@walnut.gen.nz> - 2016-03-21 22:40 +0100
                      Re: Sudo <tomas@tuxteam.de> - 2016-03-22 09:00 +0100
                Re: Sudo Thomas D Dial <tdial@cox.net> - 2016-03-24 03:00 +0100
                  Re: Sudo Stefan Monnier <monnier@iro.umontreal.ca> - 2016-03-24 14:50 +0100
                    Re: Sudo David Wright <deblis@lionunicorn.co.uk> - 2016-03-24 15:50 +0100
                      Re: Sudo Stefan Monnier <monnier@iro.umontreal.ca> - 2016-03-24 16:20 +0100
                        Re: Sudo David Wright <deblis@lionunicorn.co.uk> - 2016-03-25 06:00 +0100
                        Re: Sudo Curt <curty@free.fr> - 2016-03-25 11:30 +0100
                Re: Sudo Adam Wilson <moxalt@riseup.net> - 2016-04-03 20:40 +0200
                  Re: Sudo Michael Milliman <michael.e.milliman@gmail.com> - 2016-04-04 16:00 +0200
    Re: Sudo Charlie Kravetz <cjk@teamcharliesangels.com> - 2016-03-19 18:20 +0100
    Re: Sudo John Hasler <jhasler@newsguy.com> - 2016-03-19 18:40 +0100
    Re: Sudo Gene Heskett <gheskett@shentel.net> - 2016-03-19 19:50 +0100
    Re: Sudo <tomas@tuxteam.de> - 2016-03-19 22:50 +0100
      Re: Sudo Lisi Reisz <lisi.reisz@gmail.com> - 2016-03-20 01:30 +0100
        Re: Sudo Ric Moore <wayward4now@gmail.com> - 2016-03-20 01:50 +0100
          Re: Sudo Lisi Reisz <lisi.reisz@gmail.com> - 2016-03-20 02:00 +0100
            Re: Sudo Charlie Kravetz <cjk@teamcharliesangels.com> - 2016-03-20 02:40 +0100
    Re: Sudo Jude DaShiell <jdashiel@panix.com> - 2016-03-21 06:00 +0100
      Re: Sudo Lisi Reisz <lisi.reisz@gmail.com> - 2016-03-21 11:00 +0100
        Re: Sudo shawn wilson <ag4ve.us@gmail.com> - 2016-03-21 12:00 +0100

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#165814

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On Tue, Mar 22, 2016 at 10:32:57AM +1300, Richard Hector wrote:
> On 21/03/16 21:35, tomas@tuxteam.de wrote:

[...]

> > depending on your preferences. It's all in the manpage :)
> 
> It is indeed - thanks :-) I try and remember such things, but it's
> harder when the old way works fine as well :-)

That's the way it is with most of us, I think.

That said, I do appreciate being prodded from time to time, that's why
I try to offer this service to others as well :-)

regards
- -- tomás
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#165888

On 03/20/2016 10:30 PM, Michael Milliman wrote:
> On 03/20/2016 03:26 AM, Adam Wilson wrote:
>> On Sat, 19 Mar 2016 19:30:57 +0000
>> Joe <joe@jretrading.com> wrote:
>>
>>> On Sat, 19 Mar 2016 19:57:56 +0100
>>> Sven Arvidsson <sa@whiz.se> wrote:
>>>
>>>> On Sat, 2016-03-19 at 18:38 +0000, Joe wrote:
>>>>> I've never seen sudo installed by default in any Debian, and I
>>>>> begin with expert minimal netinstalls of stable, and I've never
>>>>> seen it offered as an option there. My first two actions on
>>>>> reboot are to install sudo and mc.
>>>>      By default you are asked to provide a password for the “root”
>>>>      (administrator) account and information necessary to create one
>>>>      regular user account. If you do not specify a password for the
>>>>      “root” user this account will be disabled but the sudo package
>>>> will be installed later to enable administrative tasks to be carried
>>>> out on the new system.
>>>>
>>>> From https://www.debian.org/releases/stable/amd64/apas03.html.en
>>>>
>>>>   
>>> OK, I didn't know that.
>>>
>> When you carry out a net install (or any installation, in fact) if you
>> decline to provide a root password then sudo is automatically installed
>> and configured for you, with the first user you create able to become
>> root with sudo.
>>
>> This is all explained in the installer at the root password stage-
>> there is no need to install sudo manually post-installation.
>>
>> If you want sudo, just don't provide a root password in the
>> installation.
> On the other hand, I use both su and sudo.  If I have a protracted
> session with several different tasks that I need to complete all
> requiring root access I su to the root user.  If on the other hand, I
> only need to perform a single command, or so, I use sudo.  Both have
> their uses, though as already noted, Debian generally does one or the
> other as a default.  I install with a root password, and then bring in
> the sudo package post-installation.
> 

Or simply "sudo bash --login"

I haven't needed to use root login for years, including on Ubuntu
systems on which, as far as I can tell, no direct root login is available.

Tom Dial

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#165908

> Or simply "sudo bash --login"
> I haven't needed to use root login for years,

In which sense is this not a "root login"?
Or would "su -" not be considered a root login either?
What about "ssh root@localhost"?


        Stefan

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#165910

On Thu 24 Mar 2016 at 09:42:51 (-0400), Stefan Monnier wrote:
> > Or simply "sudo bash --login"
> > I haven't needed to use root login for years,
> 
> In which sense is this not a "root login"?

You don't log in. You don't get the shell specified in /etc/passwd.
You're just running bash as a login shell, ie it starts up differently.

> Or would "su -" not be considered a root login either?

No.

> What about "ssh root@localhost"?

Yes. Type w and you'll see the time at which you just logged in.

Try all these methods as an ordinary user. Then touch /etc/nologin
and try them again. Shells work, logins don't.

Cheers,
David.

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#165912

> Yes. Type w and you'll see the time at which you just logged in.

That seems to me like a completely unimportant detail, with little to
no consequence.  When compared to the consequences of having a shell
with uid==0 this seems like nitpicking.

So, it confirms my suspicion that "root login" is used to refer to
a distinction that is pretty much irrelevant (tho I guess there is the
fact the root access occurs via some other local user, so you get
a tiny little bit of a trace).


        Stefan "who usually uses `su -` but thinks of it as a `root login`"

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#165929

On Thu 24 Mar 2016 at 11:15:35 (-0400), Stefan Monnier wrote:
> > Yes. Type w and you'll see the time at which you just logged in.
> 
> That seems to me like a completely unimportant detail, with little to
> no consequence.  When compared to the consequences of having a shell
> with uid==0 this seems like nitpicking.
> 
> So, it confirms my suspicion that "root login" is used to refer to
> a distinction that is pretty much irrelevant (tho I guess there is the
> fact the root access occurs via some other local user, so you get
> a tiny little bit of a trace).
> 
> Stefan "who usually uses `su -` but thinks of it as a `root login`"

Whether the distinction is important to you or not doesn't change the
meaning of the words themselves. Besides, I didn't think there were
any unimportant details when dealing with security. "Sloppy usage
usually implies, and certainly encourages, sloppy thinking." (CJ Date)

Cheers,
David.

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#165933

On 2016-03-24, Stefan Monnier <monnier@iro.umontreal.ca> wrote:
>
> So, it confirms my suspicion that "root login" is used to refer to
> a distinction that is pretty much irrelevant (tho I guess there is the
> fact the root access occurs via some other local user, so you get
> a tiny little bit of a trace).
>

http://www.linfo.org/root.html

 A critical means for preventing users from directly damaging Unix-like systems
 or increasing the vulnerability of such systems to damage by others is the
 avoidance of using the root account except when absolutely necessary, even by
 knowledgeable and experienced system administrators. That is, rather than
 routinely logging into the system as root, administrators should log in with
 their ordinary user accounts and then use commands, such as su, kdesu and sudo,
 that provide them with root privileges only as needed and without requiring a
 new login.

 For example, to become root with su merely requires typing

    su

 at the command line (i.e., in the all-text mode), pressing the Enter key and
 supplying the root password. The account of the previous user can be returned
 to by pressing the Ctrl and d keys simultaneously or by typing the word exit
 and then pressing the Enter key. 


>         Stefan "who usually uses `su -` but thinks of it as a `root login`"
>
>


-- 
Hypertext--or should I say the ideology of hypertext?--is ultrademocratic and
so entirely in harmony with the demagogic appeals to cultural democracy that
accompany (and distract one’s attention from) the ever-tightening grip of 
plutocratic capitalism. - Susan Sontag

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#166288

[Multipart message — attachments visible in raw view] — view raw

On Sun, 20 Mar 2016 23:30:03 -0500
Michael Milliman <michael.e.milliman@gmail.com> wrote:

> 
> 
> On 03/20/2016 03:26 AM, Adam Wilson wrote:
> > On Sat, 19 Mar 2016 19:30:57 +0000
> > Joe <joe@jretrading.com> wrote:
> >
> >> On Sat, 19 Mar 2016 19:57:56 +0100
> >> Sven Arvidsson <sa@whiz.se> wrote:
> >>
> >>> On Sat, 2016-03-19 at 18:38 +0000, Joe wrote:
> >>>> I've never seen sudo installed by default in any Debian, and I
> >>>> begin with expert minimal netinstalls of stable, and I've never
> >>>> seen it offered as an option there. My first two actions on
> >>>> reboot are to install sudo and mc.
> >>>      By default you are asked to provide a password for the “root”
> >>>      (administrator) account and information necessary to create
> >>> one regular user account. If you do not specify a password for the
> >>>      “root” user this account will be disabled but the sudo
> >>> package will be installed later to enable administrative tasks to
> >>> be carried out on the new system.
> >>>
> >>> From https://www.debian.org/releases/stable/amd64/apas03.html.en
> >>>
> >>>   
> >> OK, I didn't know that.
> >>
> > When you carry out a net install (or any installation, in fact) if
> > you decline to provide a root password then sudo is automatically
> > installed and configured for you, with the first user you create
> > able to become root with sudo.
> >
> > This is all explained in the installer at the root password stage-
> > there is no need to install sudo manually post-installation.
> >
> > If you want sudo, just don't provide a root password in the
> > installation.
> On the other hand, I use both su and sudo.  If I have a protracted 
> session with several different tasks that I need to complete all 
> requiring root access I su to the root user.  If on the other hand, I 
> only need to perform a single command, or so, I use sudo.  Both have 
> their uses, though as already noted, Debian generally does one or the 
> other as a default.  I install with a root password, and then bring
> in the sudo package post-installation.
> 

What's wrong with sudo su?

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#166354

On 04/03/2016 01:33 PM, Adam Wilson wrote:
> On Sun, 20 Mar 2016 23:30:03 -0500
> Michael Milliman <michael.e.milliman@gmail.com> wrote:
>
>>
>> On 03/20/2016 03:26 AM, Adam Wilson wrote:
>>> On Sat, 19 Mar 2016 19:30:57 +0000
>>> Joe <joe@jretrading.com> wrote:
>>>
>>>> On Sat, 19 Mar 2016 19:57:56 +0100
>>>> Sven Arvidsson <sa@whiz.se> wrote:
>>>>
>>>>> On Sat, 2016-03-19 at 18:38 +0000, Joe wrote:
>>>>>> I've never seen sudo installed by default in any Debian, and I
>>>>>> begin with expert minimal netinstalls of stable, and I've never
>>>>>> seen it offered as an option there. My first two actions on
>>>>>> reboot are to install sudo and mc.
>>>>>       By default you are asked to provide a password for the “root”
>>>>>       (administrator) account and information necessary to create
>>>>> one regular user account. If you do not specify a password for the
>>>>>       “root” user this account will be disabled but the sudo
>>>>> package will be installed later to enable administrative tasks to
>>>>> be carried out on the new system.
>>>>>
>>>>>  From https://www.debian.org/releases/stable/amd64/apas03.html.en
>>>>>
>>>>>    
>>>> OK, I didn't know that.
>>>>
>>> When you carry out a net install (or any installation, in fact) if
>>> you decline to provide a root password then sudo is automatically
>>> installed and configured for you, with the first user you create
>>> able to become root with sudo.
>>>
>>> This is all explained in the installer at the root password stage-
>>> there is no need to install sudo manually post-installation.
>>>
>>> If you want sudo, just don't provide a root password in the
>>> installation.
>> On the other hand, I use both su and sudo.  If I have a protracted
>> session with several different tasks that I need to complete all
>> requiring root access I su to the root user.  If on the other hand, I
>> only need to perform a single command, or so, I use sudo.  Both have
>> their uses, though as already noted, Debian generally does one or the
>> other as a default.  I install with a root password, and then bring
>> in the sudo package post-installation.
>>
> What's wrong with sudo su?
Probably nothing wrong with it, but sudo -i works for access to root 
user.  sudo su seems kind of redundant to me.

-- 
Mike

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#165629

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On Sat, 19 Mar 2016 16:15:01 +0000 (UTC)
Frank Jones <sandyman45@sky.com> wrote:

>I have only been using Linux for a short time why cant I use SUDO on theterminal with Debian I use it with Linu Mint.


Linux Mint does not install a root user. It installs Sudo instead. In
Debian, if you did not tell it leave it blank, you installed a root
user password. That created the root user. The command used instead of
"sudo" is "su" in terminal. Instead of "sudo -i" or "sudo -s", use "su
- -l". Of course, these are without quotes.

- -- 
Charlie Kravetz
Linux Registered User Number 425914
[http://linuxcounter.net/user/425914.html]
Never let anyone steal your DREAM.   [http://keepingdreams.com]
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#165630

Install the sudo package.
-- 
John Hasler 
jhasler@newsguy.com
Elmwood, WI USA

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#165637

On Saturday 19 March 2016 12:15:01 Frank Jones wrote:

> I have only been using Linux for a short time why cant I use SUDO on
> theterminal with Debian I use it with Linu Mint.

Are you first user? s/b #1000 I believe.

Cheers, Gene Heskett
-- 
"There are four boxes to be used in defense of liberty:
 soap, ballot, jury, and ammo. Please use in that order."
-Ed Howdershelt (Author)
Genes Web page <http://geneslinuxbox.net:6309/gene>

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#165643

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On Sat, Mar 19, 2016 at 04:15:01PM +0000, Frank Jones wrote:
> I have only been using Linux for a short time why cant I use SUDO on theterminal with Debian I use it with Linu Mint.

Possibly you have to add yourself to the sudoers file: it's in
/etc/sudoers -- best edit it (as root) with visudo.

Make sure there is an entry (perhaps there is one) like

  %sudo   ALL=(ALL:ALL) ALL

(that means that users belonging to the sudo group may do everything
can do; you can refine permissions if you want)

Then add yourself to the sudo group. As root, do

  adduser <yourself> sudo

You'll need to login again for the changes to take effect.

regards
- -- tomás
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#165646

On Saturday 19 March 2016 21:13:14 tomas@tuxteam.de wrote:
> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
>
> On Sat, Mar 19, 2016 at 04:15:01PM +0000, Frank Jones wrote:
> > I have only been using Linux for a short time why cant I use SUDO on
> > theterminal with Debian I use it with Linu Mint.
>
> Possibly you have to add yourself to the sudoers file: it's in
> /etc/sudoers -- best edit it (as root) with visudo.
>
> Make sure there is an entry (perhaps there is one) like
>
>   %sudo   ALL=(ALL:ALL) ALL
>
> (that means that users belonging to the sudo group may do everything
> can do; you can refine permissions if you want)
>
> Then add yourself to the sudo group. As root, do
>
>   adduser <yourself> sudo
>
> You'll need to login again for the changes to take effect.

The OP probably didn't install sudo.

Lisi

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#165648

On 03/19/2016 08:22 PM, Lisi Reisz wrote:
> On Saturday 19 March 2016 21:13:14 tomas@tuxteam.de wrote:
>> -----BEGIN PGP SIGNED MESSAGE-----
>> Hash: SHA1
>>
>> On Sat, Mar 19, 2016 at 04:15:01PM +0000, Frank Jones wrote:
>>> I have only been using Linux for a short time why cant I use SUDO on
>>> theterminal with Debian I use it with Linu Mint.
>>
>> Possibly you have to add yourself to the sudoers file: it's in
>> /etc/sudoers -- best edit it (as root) with visudo.
>>
>> Make sure there is an entry (perhaps there is one) like
>>
>>    %sudo   ALL=(ALL:ALL) ALL

or

# User privilege specification
root	ALL=(ALL:ALL) ALL
ric	ALL=(ALL:ALL) ALL

Note only root and user5 ric has permissions to sudo


>>
>> (that means that users belonging to the sudo group may do everything
>> can do; you can refine permissions if you want)
>>
>> Then add yourself to the sudo group. As root, do
>>
>>    adduser <yourself> sudo
>>
>> You'll need to login again for the changes to take effect.
>
> The OP probably didn't install sudo.

Heh, that will help immensely! Ric

-- 
My father, Victor Moore (Vic) used to say:
"There are two Great Sins in the world...
..the Sin of Ignorance, and the Sin of Stupidity.
Only the former may be overcome." R.I.P. Dad.
http://linuxcounter.net/user/44256.html

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#165649

On Sunday 20 March 2016 00:40:52 Ric Moore wrote:
> On 03/19/2016 08:22 PM, Lisi Reisz wrote:
> > On Saturday 19 March 2016 21:13:14 tomas@tuxteam.de wrote:
> >> -----BEGIN PGP SIGNED MESSAGE-----
> >> Hash: SHA1
> >>
> >> On Sat, Mar 19, 2016 at 04:15:01PM +0000, Frank Jones wrote:
> >>> I have only been using Linux for a short time why cant I use SUDO on
> >>> theterminal with Debian I use it with Linu Mint.
> >>
> >> Possibly you have to add yourself to the sudoers file: it's in
> >> /etc/sudoers -- best edit it (as root) with visudo.
> >>
> >> Make sure there is an entry (perhaps there is one) like
> >>
> >>    %sudo   ALL=(ALL:ALL) ALL
>
> or
>
> # User privilege specification
> root	ALL=(ALL:ALL) ALL
> ric	ALL=(ALL:ALL) ALL
>
> Note only root and user5 ric has permissions to sudo
>
> >> (that means that users belonging to the sudo group may do everything
> >> can do; you can refine permissions if you want)
> >>
> >> Then add yourself to the sudo group. As root, do
> >>
> >>    adduser <yourself> sudo
> >>
> >> You'll need to login again for the changes to take effect.
> >
> > The OP probably didn't install sudo.
>
> Heh, that will help immensely! Ric

It might suggest that there is no point in telling him/her how to use it, or 
what group to add him/herself to, until the previous advice to install it has 
been followed. :-/

Lisi

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#165651

On Sun, 20 Mar 2016 00:52:23 +0000
Lisi Reisz <lisi.reisz@gmail.com> wrote:

>On Sunday 20 March 2016 00:40:52 Ric Moore wrote:
>> On 03/19/2016 08:22 PM, Lisi Reisz wrote:  
>> > On Saturday 19 March 2016 21:13:14 tomas@tuxteam.de wrote:  
>> >> -----BEGIN PGP SIGNED MESSAGE-----
>> >> Hash: SHA1
>> >>
>> >> On Sat, Mar 19, 2016 at 04:15:01PM +0000, Frank Jones wrote:  
>> >>> I have only been using Linux for a short time why cant I use SUDO on
>> >>> theterminal with Debian I use it with Linu Mint.  
>> >>
>> >> Possibly you have to add yourself to the sudoers file: it's in
>> >> /etc/sudoers -- best edit it (as root) with visudo.
>> >>
>> >> Make sure there is an entry (perhaps there is one) like
>> >>
>> >>    %sudo   ALL=(ALL:ALL) ALL  
>>
>> or
>>
>> # User privilege specification
>> root	ALL=(ALL:ALL) ALL
>> ric	ALL=(ALL:ALL) ALL
>>
>> Note only root and user5 ric has permissions to sudo
>>  
>> >> (that means that users belonging to the sudo group may do everything
>> >> can do; you can refine permissions if you want)
>> >>
>> >> Then add yourself to the sudo group. As root, do
>> >>
>> >>    adduser <yourself> sudo
>> >>
>> >> You'll need to login again for the changes to take effect.  
>> >
>> > The OP probably didn't install sudo.  
>>
>> Heh, that will help immensely! Ric  
>
>It might suggest that there is no point in telling him/her how to use it, or 
>what group to add him/herself to, until the previous advice to install it has 
>been followed. :-/
>
>Lisi
>

My guess would be he doesn't know how to use su to install sudo. The
advice to install as root fails when one has never had to use su.


-- 
Charlie Kravetz
Linux Registered User Number 425914
[http://linuxcounter.net/user/425914.html]
Never let anyone steal your DREAM.   [http://keepingdreams.com]

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#165746

Because in Debian you're probably not mentioned in /etc/sudoers.  If 
your user account were frank, going to root using su you could do 
something like:
echo 'frank ALL=(ALL) NOPASSWD:ALL' >>/etc/sudoers <enter>.
then type exit to get back to the frank account and type:
sudo -H -i <enter> and see what happens.

When you installed LinuMint I'm going to make a wag here and figure you 
didn't put a password in for root and because of that LinuMint put your 
user account in /etc/sudoers as part of its installation routine.

On Sat, 19 Mar 2016, Frank Jones wrote:

> Date: Sat, 19 Mar 2016 12:15:01
> From: Frank Jones <sandyman45@sky.com>
> To: "debian-user@lists.debian.org" <debian-user@lists.debian.org>
> Subject: Sudo
> Resent-Date: Sat, 19 Mar 2016 16:33:09 +0000 (UTC)
> Resent-From: debian-user@lists.debian.org
> 
> I have only been using Linux for a short time why cant I use SUDO on theterminal with Debian I use it with Linu Mint.
>

-- 

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#165760

On Monday 21 March 2016 04:51:35 Jude DaShiell wrote:
> When you installed LinuMint I'm going to make a wag here and figure you
> didn't put a password in for root and because of that LinuMint put your
> user account in /etc/sudoers as part of its installation routine.

I don't think that Linux Mint offers a root account during installation.  It 
doesn't use root by default.

Lisi

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#165764

[Multipart message — attachments visible in raw view] — view raw

On Mar 21, 2016 5:56 AM, "Lisi Reisz" <lisi.reisz@gmail.com> wrote:
>
> On Monday 21 March 2016 04:51:35 Jude DaShiell wrote:
> > When you installed LinuMint I'm going to make a wag here and figure you
> > didn't put a password in for root and because of that LinuMint put your
> > user account in /etc/sudoers as part of its installation routine.
>
> I don't think that Linux Mint offers a root account during installation.
It
> doesn't use root by default.
>

Uh it kinda has to. AFAIK, the kernel doesn't allow ring 0 without being
uid 0 / gid 0 (or root). Call the user "mud"  if you want, at that point it
doesn't really matter.

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