Questions about Computer Administration

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1
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2answers
229 views

How does the system admin gets the ethernet address of computers in the network?

I am very new to system administration. Have a doubt, how does the system admin gets the Ethernet address information of the computers in the network. Actually my doubt is how does he determine the ...
1
vote
2answers
535 views

Monitor RAM and CPU usage on Remote Server?

I want to monitor the CPU and RAM usage on my remote server and set up a notification system which notifies me when the RAM usage is high and automatically kill that process. I tried the Nagios ...
0
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2answers
45 views

New program development - need help

I would like to develop a new program for Ubuntu that will monitor the user's activity ,If user frequently uses a particular software "X" in certain time (like 8:00 A.M - 10:00 A.M ) ,when the time ...
3
votes
1answer
84 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 ...
2
votes
1answer
261 views

How can I restore the administration menu?

I do not know how I did it but I am now missing my administration menu. I am using 12.04 (but with all upgrades) and GNOME FALL-BACK. Could anyone direct me on how to restore it? I have tried adding ...
2
votes
1answer
2k views

WMI Windows Management Instrumentation on Ubuntu

Is there a tool for accessing windows'wmi interface? I know once there was wmic-client (hardy) but it has been removed. I'd like to administrate some windows machines remotely trough shell: i.e. ...
2
votes
1answer
263 views

Create shared shortcuts for Guest login

I have decided to use Ubuntu as my base OS for my internet cafe machines, and also for the thin clients that connect to my Windows terminal server running 2008 R2. 8 machines in internet cafe room, ...
1
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1answer
76 views

Don't bother non-admin users with admin questions

My wife and kids use ubuntu laptops which I administer. How do I prevent the system from, e.g., offering them software updates? (I know I can disable that for the whole box, but that is just one ...
1
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1answer
1k views

How do I get around administrator priviliges are required for this task when installing real vnc?

When I try to install real VNC and enter in the registration code I get administrator privileges are required for this task. How do I get around this? I am the only user on the computer and already ...
0
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1answer
25 views

Add two root users during installation during installation + managing it - Ubuntu server

I would like to ask you all, that is it possible to enter some kind of script before entering the setup screen to be able to add 2 root users instantly. I am at the beginning of creating 190 virtual ...
0
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1answer
545 views

Lubuntu 14.10 won't update or shutdown

I started up my computer and used the terminal to check some network settings, but when I tried to turn it off again, a message shows up at the bottom of the shut down menu: "GDBus.Error:org....
0
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1answer
393 views

Mounting Extra Hard Disk in Ubuntu

I have bought a new 1TB hard disk and formatted in ext4 file system type and attached to my CPU(Already having a HD with Ubuntu installed). Following the answer given here, I tried mounting the ...
0
votes
1answer
127 views

Can not Install on a Dell Latitude laptop --

The laptop always boots winXP and requests an Administrator password. I went into the setup where I attempted to reset all passwords and the start up order but the Admin password is still demanded. ...
0
votes
1answer
98 views

how to do administartive tasks from remote X SSH

I forwarded X over ssh. From unity-control-center I couldn't perform any of the administrative tasks like changing audio input, changing wifi network etc. How can I do them remotely. Its the same ...
0
votes
1answer
28 views

forgot "administrator's name'

I still have the password but I no longer have the name I used to create the administrator's account. As I'm a novice in all this, I'm not sure I can safely go root without royally messing things up. ...
0
votes
1answer
113 views

Why no PGAdmin in launcher for standard user?

I have installed PGAdmin and it all works well. But when I log in as a Standard User on Ubuntu 12.04 I don't see PGAdmin in the launcher. I have other programs like Libre Office, Lazarus and ...
2
votes
0answers
218 views

How much context switching is too much?

I am running Ubuntu Server 14.04 on an Lenovo IdeaCentre d400. The load average is never under 1.0. So I started to take a deeper look. I do not find anything that could be responsable for this load. ...
2
votes
0answers
73 views

How to get administrator rights?

I am the administrator and only user of my laptop with a new installation of 14.04. I created a bootable USB and when it is used I find this file "PRJ_20071023" that I can not read or delete. I get a ...
2
votes
0answers
124 views

How to administer, manage & update 40 to 50 Kubuntu laptops?

I have a custom developed application presently running on about 40 Kubuntu laptops (& more planned). Every few months I have to update the application. I also have to run Ubuntu updates and a few ...
2
votes
0answers
118 views

Forcing screensaver lockout time for all users in Unity

I am using Ubuntu 12.04 and Unity. Is there a way to force the screensaver lockout time using an admin account? By default each user can change their lockout time. I need to be able to prevent this....
2
votes
0answers
65 views

Limited access accounts for a low maintenance deployment?

Forgive me if I haven't done quite as much digging trying to solve this on my own as I could have: I'm currently in Zambia, and my internet access is unpredictible and slow when it's working. I'm ...
1
vote
0answers
125 views

Change notification email subject - Nagios

Anyone can give an idea about, how can I change my Nagios email alert subject? I have google for sometime and every result says to change the command(notify-host-by-email) definition in commands.cfg ...
1
vote
0answers
35 views

User login directly into LXC container

Is it possible to setup host system so that some users will be immediately in corresponding LXC container after logging in?
1
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0answers
23 views

Automatic software management for user groups

When adding new users, is it possible to install software based on their user groups? For example a Netbeans IDE for say a 'Java development' group or a LAMP stack for a 'web development' group. Then,...
1
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0answers
208 views

Application Whitelisting

How does an Ubuntu administrator implement application whitelisting? For example, if I create a LAMP server and I only want SSH, Apache, MySQL and PHP to be able to execute. How can I prevent any ...
1
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0answers
101 views

Is it possible to install packages from iso?

I browsed through the iso file for Ubuntu_14.04_LTS, I found that majority of data were contained in a single file: casper/filesystem.squashfs (922 MB). there is no *.deb files under dists/trusty/main/...
1
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0answers
144 views

Recommend way to setup a terminal program to run in the background on boot?

I'm running Ubuntu 11.10 Server edition. Currently I boot up the server, log in, run the application "screen", run an existing terminal program to do some work, and then use screen to lock the ...
0
votes
0answers
26 views

Giving r-x permissions to directories of other users

I have an Ubuntu 14.04.1 server with the such permissions scheme (given below in user:group format): root: root super: sudo master master1: master master2: master user1: simple1 user2: simple2 ... ...
0
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0answers
37 views

sudoers_policy, 'sudo' doesn't work?

When I open a terminal and type sudo in order to install or remove applications, it shows: sudo: error in /etc/sudo.conf, line 0 while loading plugin `sudoers_policy' sudo: /usr/lib/sudo/sudoers.so ...
0
votes
0answers
59 views

Alias remained after removing a package. How to remove it?

I had some errors with nodejs so i wanted to reinstall it. I removed it with sudo apt-get purge nodejs But now if i type nodejs it says bash: /usr/local/bin/node: No such file or directory So ...