Questions about Computer Administration

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37
votes
5answers
35k 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 ...
31
votes
10answers
22k 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 ...
25
votes
7answers
7k views

See computer's uptime and history

I was wondering if it is at all possible to find out when the computer was switched on, what files where accessed what folders were opened, what programs run and when the computer was resumed and put ...
21
votes
4answers
9k 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 ...
15
votes
3answers
569 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?
15
votes
3answers
39k views

How do I add myself into the sudoers group? [duplicate]

Possible Duplicate: How do I add a user to the “sudo” group? I've added myself back into the admin's group I think, by following this. But I still can't do commands like: sudo aptitude ...
14
votes
3answers
2k views

How do I restrict user bandwidth usage?

I want to restrict each user to 300 gigabytes of internet usage per month. Are there any GUI or command-based tools to manager my users' bandwidth?
13
votes
1answer
47k views

How do I add a network printer in Ubuntu 12.04?

I know the name and the IP address of a network printer, but I can't seem to be able to search by IP address or name. Ubuntu developers love to move things around to make it difficult for users, so ...
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 ...
9
votes
1answer
15k views

The list of running daemons

How to get the list of daemons and theirs statuses (stopped, running, crashed, etc) for each runlevel? Like rc-status in gentoo.
9
votes
3answers
1k views

When Ubuntu asks for an admin user's password, how does it decide which administrative user to ask for?

I am setting up an Ubuntu (10.10) machine that will be used by several people. It is a shared machine in a small office. Its primary roles are hosting virtual machines with VirtualBox and serving ...
8
votes
3answers
585 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 ...
8
votes
1answer
560 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 ...
8
votes
2answers
4k views

I unexpetedly deleted administrator account and the other accounts are asking root password

I unexpectedly deleted my user account (the only administrator for the machine). I have another account which is standard account now i cant access my hard disk or anything with that standard account ...
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 ...
7
votes
2answers
38k views

How to give nopasswd access to multiple commands via sudoers?

Below is what I know: I have to add this below line in sudoers file to give rights to the user for particular task. user_name ALL=NOPASSWD: /usr/bin/apt-get install In this case I want to give ...
7
votes
5answers
7k views

Recommendation of web server admin control panel (free, open source, deb package)?

I'm looking for: a safe/secure web admin control panel for a web server preferably free and open source in official repositories or at least with regular updates and an easy way to update to newer ...
7
votes
2answers
523 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 ...
7
votes
1answer
9k views

What server control panels are available for Ubuntu Server?

As a dedicated Ubuntu server or as a VPS, I am looking for a web control panel, something like cPanel which is something like a web administrator for a server. I have not used any on Linux since I do ...
7
votes
2answers
3k views

How can I set a global timeout for the screensaver?

I am trying to to set a global screensaver and blanking idle timout (with screen locking) that will affect all new user accounts. I noticed that gnome-screensaver in 12.04 when configured by a user, ...
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 ...
6
votes
5answers
558 views

Single administrator computer for systems with only regular account on network

How can I have systems with only a regular account with administrative tasks managed by a single computer? EDIT I simply want be able to add/remove software on all computers from a single system. ...
6
votes
2answers
3k views

What is a user-friendly way to log off other users?

What is the Ubuntu equivalent of this interface? I am looking for a user-friendly method that the owner of a computer can use to log off other users without having to restart. The case I'm ...
5
votes
2answers
3k views

What are the equivalents of “gksu nautilus” in other Ubuntu Derivatives

How do I open the file manager in superuser mode in the same way as doing gksu nautilus in Ubuntu.
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 ...
5
votes
4answers
14k views

Deleted Myself from Admin Group - Now Getting Error usermod: cannot lock /etc/passwd; try again later [duplicate]

Possible Duplicate: Cannot lock '/etc/group' in recovery mode I have a laptop with Ubuntu 11.10 that is shared between myself and two other family members. My user id was setup as ...
5
votes
1answer
135 views

Preventing Users/Groups from accessing certain Domains

I have created a Study account which I use when doing anything school related work. It's purpose is to remove the distractions of my normal account, such as social media and news websites. I know ...
5
votes
1answer
49 views

How can I build an installer by tracking filesystem changes?

Ages ago I used to package software on Windows using InstallShield AdminStudio. I used it for building customized installers for company applications from existing app installers. I'd like to do ...
5
votes
1answer
204 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
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 ...
4
votes
2answers
260 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 ...
4
votes
1answer
193 views

Is there a utility for hopping in and out of a CLI?

Lets say I've got a bit of server software. I start it up and it provides an interface on stdin/stdout that I can use to enter commands during runtime. I want to be able to start it up over SSH, exit ...
4
votes
1answer
3k views

Allow non-admin users to mount drives via nautilus

I want to give mount privilege to the non-admin users to mount the drives via nautilus. I don't want them to give other admin privilege. I also don't want to use setuid method. How can I achieve ...
4
votes
3answers
162 views

New admin account asking for a password?

I've made new admin account. I did not set a password for that account and it now asks me for the password. Since I can access the account as it automatically logs on when the laptop is turned on, can ...
4
votes
1answer
11k views

Downloading and Installing Latest Version of KILE

In the TeX - LaTeX group of Stack Exchange, I posed a question about the versions of TeXLive under Ubuntu. As I have installed the latest version of TeXLive under Ubuntu, I want to be able to use it ...
4
votes
1answer
289 views

Guide or book for ubuntu server

Is there any detailed guide or book for Ubuntu server? For installation and administration. Free or commercial.
4
votes
2answers
67 views

How do I install browser plugins in a centralized way?

I have 5 users on an ubuntu box and I want each user to have AdBlock+ (and a few others) for both FireFox and Chrome. Is there a way to avoid logging in as each one with GUI and starting both ...
4
votes
1answer
321 views

What happened to the graphical PolicyKit settings?

Back in 8.04 or so, when PolicyKit was new, we had a GUI "browser" that enabled us to easily decide things like whether a user should be allowed to shutdown the system when other users were logged in ...
3
votes
1answer
8k views

ntpd vs ntpdate: pros and cons

In order to keep the time accurate on a Ubuntu system one can either: Run the ntpd (network time protocol daemon) which will run all the time and continuously adjust the system time when clocks ...
3
votes
1answer
6k views

How can I regain admin privileges?

I'm very new to Linux so I don't understand a lot of the terms you guys use. I need a basic answer on why I keep getting admin group does not exist. I accidentally changed my initial account from ...
3
votes
1answer
667 views

Locking down Systems in a Computer Lab School for Orphans

I am helping out an NGO, called Orphans Found Fund, here in Arusha Tanzania setup a computer lab to teach students about Ubuntu and open source applications. I have installed Ubuntu 10.10 on all the ...
3
votes
1answer
2k views

Removing popularity-contest without trashing the system?

I do want to uninstall the "popularity-contest" package from my system. While I know that I can disable it with $ dpkg-reconfigure popularity-contest it is still a package I want removed. ...
3
votes
3answers
378 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.
3
votes
2answers
2k views

Which script rotates /var/log/auth.log?

I cannot figure out where /var/log/auth.log is rotated. I found the file /var/log/auth.log.2013-09-16 on my system, which contains log entries previously found in /var/log/auth.log. Where does that ...
3
votes
2answers
272 views

How to create an image of an entire remote system for using on other (virtual) remote machines?

I have ordered several virtual machines from a hosting provider, which all need exactly the same setup: same users same programs installed same config (except for hostname) including cron-jobs Is ...
3
votes
2answers
230 views

Tutorial on making use of logs

I know I can find logs in /var/log/, they contain powerful information, but I don't really use them often (on desktop or server). Is there any good guide to learn how to make use of system logs on ...
3
votes
1answer
3k views

How to define an environment variable systemwide with /etc/environment?

I am trying to set an environment variable system wide. Following the ubuntu site recommendations , I set it up to my /etc/environment file. The thing is when I log out and log in again, I have to ...
3
votes
1answer
74 views

Methods for creating good admin documentation?

I want to document any change I do to my ubuntu system. I want to do this in a way that if I had to pass this system to another administrator, it would be easy and logical for him to access this ...
3
votes
0answers
339 views

How I can monitor traffic on a certain port with munin? [closed]

How I can monitor traffic on a certain port with munin? I already use plugin port_ to see number of connection on a certain port, but I also need to see the traffic.
2
votes
2answers
91 views

Changing groups as nonadmin

Recently, I accidently lowered my privledges on Ubuntu. I was trying to add vboxusers group to my account, and quickly googled to fund out I can add groups by sudo usermod -G vboxusers USER Unaware ...