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Linux Newbie (2)

In continuation to http:Q_21868145.html (which does NOT mean only those experts can get involved):
I have read few basic things about Linux file systems, and basic folders (home, bin, etc) -- and I admit I have not understood them fully! ;)

1) Is it that only ONE user (root) can do the administrative activities (like having access to all files?) Can't we have other levels of administration with other users? Don't we have something similar to Windows' Administrators group?

2) Where to learn more about Linux? Things more advanced than ls command!

For those following me from the previous Q, I'm reinstalling Linux! I changed the screen resolution, and this silly M$ Virtual PC messed the whole screen up!
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huji
Asked:
huji
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3 Solutions
 
xDamoxCommented:
Hi,

1) Yes/No if you want users to also administratr the box you can setup sudo users type this in your termianl:

man sudo

2) Nearly all linux programs are free you can get the packages either off your distobutions website or through there package manager.

What distrobution are you using
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Lee W, MVPTechnology and Business Process AdvisorCommented:
Hi huji,
> 1) Is it that only ONE user (root) can do the administrative activities
> (like having access to all files?) Can't we have other levels of
> administration with other users? Don't we have something similar to
> Windows' Administrators group?

You use SUDO and SU - you don't WANT to run the computer as an administrator - Linux is NOT windows, don't treat it like it is.  You shouldn't run Windows as an Administrator either - everyone does because they are either used to doing so or don't realize how bad that really is.

Using SUDO and SU there is no need for elevated privilages like that.

There are goups in Linux, but I wouldn't do that.


> 2) Where can I download Linux freeware programs? How do I install them?
> -- I know it is a very general question, but I need one simple answer
> that I can reproduce on my machine right now.

If you were using debian, then you could just use APT - which you can then search the cache and display the available programs.

Is there a program you're looking for?  Usually I just search google for "linux program-type" - for example "Linux Desktop Publishing" and you get Scribus.



> For those following me from the previous Q, I'm reinstalling Linux! I
> changed the screen resolution, and this silly M$ Virtual PC messed the
> whole screen up!


Cheers!
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slyongCommented:
Hi Juji,

1) You can assign a group to users.  The tutorial of managing users and groups can be found here: http://yolinux.com/TUTORIALS/LinuxTutorialManagingGroups.html
Administrators has the groupid of 0 normally.

2) http://www.tuxfiles.org/linuxhelp/cli.html
    http://www.mediacollege.com/linux/command-tutorial/index.html
are some of the links...
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hujiAuthor Commented:
xDamox, I edited the question while you were answering it, but your second answer is still valueable for me. I'm using Linux XP (www.linux-xp.com, made by a russion team, I'm just playing with it, untill I install FC-5 later.)

What can sudo users do?

PS: This page is fun: support.microsoft.com/?kbid=247804 !!!!
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Lee W, MVPTechnology and Business Process AdvisorCommented:
sudo users can do whatever you allow them to do.  As xDamox wrote, reference the man page.

http://www.courtesan.com/sudo/man/sudo.html

You can let them do specific things or everything - you just have to run sudo before the command you want to execute.  
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xDamoxCommented:
Ok :)

Huju to configure the display in Fedora you can do the following as root:

system-config-display

This will allow you to configure your X Windows server e.g. your screen resolution etc. Also to get software install
on your Fedora box just type:

yum update

That will update all your softwar to the latest security, then you can do

yum install software_package_name

Sudo users can perform root privelges activities but without having the root password. for example you can set a sudo users
so he can restart the apache server.
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hujiAuthor Commented:
It is Huji, not Huju !

Well, my mistake. I meant to run a command by root, and not logging in by root, but I didn't express it that way, it seems. However, root can do any thing. User can do few things. What is in the between? Well, you've given the answer indeed. I'm checking the links.

Thanks
Huji
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