Questions about Computer Administration

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7
votes
2answers
521 views

What is a good starter Ubuntu book?

What is a up-to-date good book that talks about general usage of Ubuntu or Linux in general (but that applies to Ubuntu as well) ? Things like: what are the common commands (man, ls, etc.) basics of ...
0
votes
2answers
2k views

How to restrict users on accessing my machine through ssh and VNC?

I dont want other users to access my machine through ssh and VNC.How to restrict this?As a admin i want to view and access all other system through ssh and VNC. Also only for my system ssh access ...
11
votes
7answers
6k views

How to remove Change Desktop Background from right click?

I want to restrict users on changing wallpapers and themes. So can anyone say me how to remove Change Desktop Background option from right click? Note: I just totally want to remove that option ...
8
votes
1answer
547 views

how come sudo give root privileges for a user not in /etc/sudoers?

I just wonder how sudo privileges are found with ubuntu, from a technical point of view. Users with sudo privileges are not present in /etc/sudoers, so this looks a little bit exotic. Was the source ...
4
votes
3answers
2k views

I want a non admin user to install software. What commands do I need to add to sudoers?

I want to edit the /etc/sudoers file so that a non-admin user can install software via the Software Center in Linux Mint 10. The reason for this is that I want a user to have the capability to ...
7
votes
4answers
7k views

How do I enable GNOME system tools?

I am running Ubuntu 10.04 with GNOME 2.30.2. This is a VMWare workstation image provided by another company that I do not have support in this regard. I am trying to access the graphical tools for ...
5
votes
1answer
202 views

how to run applications on admin account while is not is use or active?

i want to have applications running (like deluge) in admin account even if admin account is not active or it's guest account or family account is in use. some times family account is in use and pc is ...
4
votes
2answers
251 views

Securing system admin account

As it is well known, it is recommended that the system administrator login to the system using a normal user (non-root). When the admin needs to do privileged tasks, sudo can be used to become ...
8
votes
2answers
2k views

ssh key administration for many users, servers

My company has some remote Ubuntu servers. The access to these servers is controlled by ssh keys. Managing these keys is quite a pain, especially when an employee leaves or joins the company. Is ...
8
votes
6answers
33k views

Get root access for copying files to /usr/share/…?

To be short, I want to copy a folder to a location /usr/share/screenlets/.... in Ubuntu 10.04 system. I tried by logging in as root from terminal giving su. I even changed my user account type to ...
3
votes
3answers
369 views

Which way is the best to manage a workstation from windows server 2008?

I mean, are there any tools to manage mixed networks with Windows and Ubuntu workstations from single Windows Server 2008? Some like GPO or Windows Managment Console.
0
votes
1answer
121 views

Is there a way to get the administrator lock opened? [duplicate]

I know that when a package is being installed, the root directory [I think?] gets an administrator lock and can't make an other installation at the same time. Is there a way to stop that ...
8
votes
3answers
571 views

Remote administration of a server?

I'm going to install a ubuntu server to provide email, ftp and maybe webserver services too. I dont want to install a gui for the server, but I'd like to administrate it remotely. I was thinking in ...
15
votes
3answers
547 views

Which logs should I pay attention to?

There are many logs in /var/log/ For a standard home installation, which ones should I be checking regularly?
20
votes
4answers
8k views

What are the common maintenance tasks?

When i was using windows, i used to run defrags, ccleaner and revouninstaller once a month to keep the system and the registry clean. I know ubuntu (and all linux distro) has a different system ...
34
votes
5answers
32k views

How are administrators supposed to read root's mail?

What is the Ubuntu way for system administrators to receive system notifications, which typically take the form of e-mail sent to the root account? Examples of such notifications are the output of ...
-2
votes
2answers
165 views

How can the rules that determine valid user passwords be changed? [closed]

Are there any particular rules on what a valid password is, speaking of length, upper- and lower and/or special characters, numbers, etc. and if so how they can be changed?
29
votes
10answers
20k views

How can I make shutdown not require admin password?

If more than one person is logged in on my computer, Ubuntu requires super user authentication when shutting down the computer. How can I make it so that any user can shutdown the computer without ...
5
votes
3answers
2k views

What Ubuntu server administration books does the community recommend?

What book would you recommend as a reference for Ubuntu server administration? I'd like to not limit this to server-edition. I'm biased toward development environments that need to strike a balance ...