Password question.
Eberhard Roloff
tuxebi at gmx.de
Mon Nov 24 00:50:05 UTC 2008
Steven Vollom wrote:
> Eberhard Roloff wrote:
>> Steven Vollom wrote:
>>
>>> Eberhard Roloff wrote:
>>>
>>>> Steven Vollom wrote:
>>>>
>>>>
>>>>> I would like to set a password that allows me to enter my system that is
>>>>> very secure, however, when I am in the system, I would like to have a
>>>>> very simple password to enter root, perhaps as small as a couple of
>>>>> letters. Is this possible?
>>>>>
>>>>> Steven
>>>>>
>>>>>
>>>>>
>>>>>
>>>> With Linux, genarally anything is possible.;-)
>>>>
>>>> While this is possible, I would not advise to implent it. The Ubuntu
>>>> concept of the first user i.e. the admin user is that you use a rather
>>>> secure password to login and then use the same to "su" to root, as needed.
>>>>
>>>> You can alter this and there are howtos to separate root to use its own
>>>> password.
>>>>
>>>> It's actually quite simple but I would not advise you to do it since you
>>>> are already familiar with the "Ubuntu way" of doing things. This is
>>>> because, when you do it, your system will behave differently afterwards
>>>> and you will need to treat it differently.
>>>>
>>>> Kind regards
>>>> Eberhard
>>>>
>>>>
>>>>
>>>>
>>> Sorry I wasn't paying adequate attention to what you just wrote. I was
>>> already thinking of possible reasons for avoiding this. How does it
>>> change my system? What change in behavior would be anticipated? In my
>>> situation, is it more insecure? TIA, friend.
>>>
>>> Steven
>>>
>>>
>> Hi Steven,
>>
>> Well, I cannot answer this. There are numerous discussions around
>> whether the Ubuntu way is more secure or not than "the other way round",
>> which is, just for example, the SuSe or Red Hat way.
>>
>> Although I surely have my own opinion about this, I will not divulge it,
>> there are to many flames around. ;-)
>>
>> What are the differences?
>>
>> Now you are just doing sudo fsck /dev/sda1
>> alternatively when you need to be root for any length of time, you will do:
>> sudo -i
>> Password
>>
>> With a separate root account, it is similar but not at all identical.
>> For example, sudo "something" will no longer work (except if you go and
>> configure it) and you will most likely use "su -" to become root and
>> then "exit" or "Ctrl+D" to exit root.
>>
>> Furthermore, I think you REALLY might prefer to use a strong root
>> password and a weaker user password, since it is root where a
>> compromised security will have potentially disastrous consequences.
>>
>> Again, if you are familiar with the Ubnutu way, I would strongly
>> recommend to leave it at that.
>>
>> If you insist to have a separate password for root, you might google this:
>> http://www.ubuntux.org/how-to-change-the-root-password-in-ubuntu
>>
>> Kind regards
>> Eberhard
>>
> Dear Eberhard,
>
> I know you understand my limitations; I am old, inexperienced, and do
> not know all the ramifications of what I ask. Nonetheless, until
> someone can convince me that I can lose more than the OS and some data,
> I am willing to chance that, in favor of the great benefit it will serve
> me. I don't think my advisers here in the forum believe I will ever use
> the safer Shell. I think they believe I will just stay in Root. I also
> believe that they probably have their computers set up to work much the
> same as I want mine, for ease of operation, unless they are subject to
> security issues which I am not.
>
> Now I want to be sure I understand. I can retain a logged in and
> password protected sudo shell, and still have a more safe [not password
> protected] Shell to work from. _I do not want to be in Root all the
> time_. _I just want to be able to enter that security without have to
> type it in more than once per session_. I don't feel that I am mistake
> proof, if I stay in Root all the time. I believe _I am 100% safe with
> an already logged in Root Shell, if I can work from a secured shell, and
> when all I need to do is click on the Session menu item in the shell
> program and open Root Shell and already be logged in._ The contrast of
> their appearance will always be a reminder that I am on dangerous
> ground, and I will be careful. I have to do that and be careful when I
> get sudo privileges anyway, don't I?
>
> _I DO NOT want to change to a root password, if I cannot have a safer
> shell to work from_. It is important. I am always a little stressed
> when I enter a root command. I am certain before I press the enter
> key. Please respond one more time to confirm that I can do what I want
> to do and still have a safer Shell to work from. With gratitude. And
> lastly, I promise that if my decision is foolish, and I screw up, I will
> post the truth and eat the necessary crow, so that the forum can prosper
> from loss. I actually believe that it is only appropriate as a solution
> for people with a similar problem, or for those who have an equally
> important reason for doing it.
>
> The feature I am struggling to get back is one I regretted losing, when
> I upgraded from Feisty to Gutsy. That feature helped me a lot. And I
> used it the way I described. _Please answer, I won't go to that website
> if you don't.
> _
> Steven
>>
>>
>
>
ok. Back to square one. What I understand:
You want to have a root shell always open to accept root commands.
This is somewhat different from what I originally understood, i.e. you
want a root user with a different password.
Now:
Given that there are a multitude of possibilities, only two come to my mind:
1.
You can have a root shell, opened once and open all the time until you
log out without any change to the system.
Simply open a shell of your choice at startup and then issue the command
"sudo -i" without the quotes
After giving your password this shell will be open until you close it.
2.
If you want to have a seperate user password for root AND have a
permanently open root shell, then go to the webpage I googled for you,
follow the very easy instructions there, and finally change root's
password to something that you like.
Then after your system starts up, you open a shell or a KDE rootshell,
enter your password (in the KDE rootshell) or issue the command:
"su -" (in the regular user shell). After giving your newly created root
password, this shell will remain open as long as you do not close it.
Hopefully I now covered what you are needing.
If not, I am sorry
Kind regards
Eberhard
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