Questions about Computer Administration

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1
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2answers
1k views

Ubuntu 14.04 Unknown Display

I have installed Ubuntu 14.04 in my machine(with Gigabyte motherboard), having an Acer 19" Monitor. Unfortunately its resolution not working properly. See the image. This is my xrandr -q output. ...
3
votes
1answer
75 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
233 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
1k 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
220 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
vote
1answer
2k views

Is there a central configuration tool for ubuntu such as yast on opensuse?

In openSUSE there is a set up tool called YaST working on GUI and command line. Is there such tool for Ubuntu for instance on YaST one can configure samba and the services. Here is a picture for ...
1
vote
1answer
75 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 ...
0
votes
1answer
33 views

Best practices for installing packages on a brand new production Linux server

Background: I am deploying an open-source web application, that requires PHP 5.6, nginx and MariaDB, as a VMWare virtual machine. The application will be accessed by fewer then 50 people for about ...
0
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1answer
16 views

How do I unlock system tools such as users and date and time

I'm using Ubuntu Server 14.04 with Gnome and suddenly I can't unlock system settings such as Users and time & date: the unlock icon is grayed out even though I'm an administrator and terminal ...
0
votes
1answer
46 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
28 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
34 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
56 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 ...
0
votes
1answer
977 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 ...
2
votes
0answers
68 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
40 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
102 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
101 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 ...
2
votes
0answers
59 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
26 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
vote
0answers
37 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 ...
1
vote
0answers
33 views

Distributing automounter maps to NIS clients

I am working to get automounter maps distributed to our group's workstations via NIS. All the workstations are clients, with one master server. Is it possible to distribute automounter maps through ...
1
vote
0answers
124 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
5 views

Trying to implement NIS, portmap is not present

I am trying to follow directions from the Ubuntu NIS howto: https://help.ubuntu.com/community/SettingUpNISHowTo It fails at the step /etc/init.d/portmap restart portmap does not exist (during ...
0
votes
0answers
58 views

how to install and configure Glassfish 4

How do I install Glassfish 4.x and run it on port 80? While it's easy enough to download Glassfish and unzip it, should it go in a particular directory? Which user should start and stop the server? ...
0
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0answers
17 views

Website sometimes won't load

I'm not sure if this is the proper forum that I can use to address my concern. I was working on a server and suddenly the client reported that the site stopped to load awhile ago and now it's working ...
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0answers
30 views

System - Administration tab is missing

I am told that I need to go to System - Administration - however, I do not have Administration under my System Tab. 14.10 Ubuntu.
0
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0answers
39 views

Graphical pkexec require username and password

I am wondering if there is a way to have the graphical authentication part of pkexec ask for a username as well as a password instead of just a password. The computer I am trying to get set up is on ...
0
votes
0answers
150 views

How do I administer, test and fix my RTL8192ce wifi card on the command line? It can't connect to router and external sites

I've been using a Realtek RTL8192ce wlan card on Ubuntu 10.04 and Ubuntu 14.04. Previously the built-in kernel module 'rtl8192ce' worked fine. There'd be some occasional, random blips, but I could get ...
0
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0answers
60 views

nis user can't do su

I setup a nis client and its working fine but I can't do "su" as a nis user(Error: Wrong passwort - But it's correct). Also the login with the local root user is not possible. I only can login as root ...
0
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0answers
56 views

when i run this script appear this msg

$ sudo sh mininetScript30923.sh mininetScript30923.sh: 5: mininetScript30923.sh: Script created by VND - Visual Network Description (SDN version) : not found from: can't read /var/mail/mininet.net ...