Questions about Computer Administration

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3
votes
1answer
163 views

How to create a file in a specific location for every user?

I'm running an Ubuntu LTSP setup at a school with about 60 unique users. Occasionally, we need to share a document, create a directory or place a config file in every user's account. Obviously, it's ...
3
votes
2answers
103 views

Is there a simple web GUI for Apache that runs on Ubuntu?

Sadly, all the answers that Google turns up seem to be way out of date (Rapache for example no longer runs on Ubuntu it seems). I'm running Ubuntu Server 14.04 (Trusty Tahr) with a Lubuntu interface, ...
0
votes
0answers
8 views

permanent disabling ip_forward for ubuntu server happens be a problem

I have just installed the latest ubuntu server. This is the state of my server right after booting: root@vzu01-ubuntu:~# uname -a Linux vzu01-ubuntu 3.16.0-30-generic #40~14.04.1-Ubuntu SMP Thu Jan ...
0
votes
2answers
43 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
59 views

As an administrator how to restrict users from Installing certain packages?

I want to know how does an administrator disable users/groups from downloading certain packages. For example, let it be the youtube-dl package which enables download YouTube videos, or let it be ...
1
vote
2answers
65 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 ...
0
votes
2answers
25 views

Administrators can change passwords of other administrators

I seems that a user set as an "Administrator" can change passwords of not only "Standard" users, but also other administrators. Is there a way to make it so that administrators (there are multiple on ...
5
votes
2answers
122 views

useradd doesn't allow the user to log on

On an Ubuntu 14.04.2 LTS the following command: adduser fu and then entering a password bar and just pressing Enter on all other questions, creates a user that allows me to log on and has the ...
1
vote
2answers
82 views

Is there an SSH client which duplicates commands to multiple terminals?

I'd like to control several ssh connections from one terminal. For example, I would type ifconfig in the main terminal and all the other ssh connections would run ifconfig. That's what offered PuttyCM ...
1
vote
2answers
164 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 ...
1
vote
3answers
81 views

How to hide administrator account or root in Login screen? [duplicate]

I used Ubuntu 12.04 and I want to only user account appear on the Login screen without guest and administrator account. My administrator account cannot view to everybody when their Login. ...
0
votes
1answer
49 views

How to change permission to the users on ubuntu 12.04?

How to change permission to the users to restrict their accessibility? I want to cannot see or cannot access the System Files, Devices and Network in home folder? I used ubuntu 12.04 Thanks, Jerrick ...
0
votes
0answers
62 views

Restrict user with access home directory only on Ubuntu 12.04

I want to restrict the employees(users) using the computers in this company. How can I restrict user to their home directory to cannot see or use their the Devices, File System and Network on Ubuntu ...
0
votes
0answers
70 views

how to get jms connection factory details from the asadmin CLI for Glassfish

How do I get more specifics on jms/CrmConnectionFactory, using the get command, from the asadmin console? thufir@doge:~$ thufir@doge:~$ asadmin list-jms-resources jms/CrmQueue jms/CrmTopic ...
0
votes
0answers
16 views

How to prevent user from closing applicanions

i would like to see your thoughts on this problem: i have a computer class with 5 machines, teachers will need to play audio/video files, run presentations, surf the web, have access to home directory ...
0
votes
1answer
211 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: ...
0
votes
1answer
114 views

Prevent standard users from seeing and running some apps

How to control just some apps to be available on other accounts, Not all of them?
26
votes
5answers
1k views

What's a good back-up strategy for 1 desktop PC?

No, this is not a comparison of back-up tools, nor is it a solicitation on What to backup or Why and only a little bit about Where to backup and When to do it. It's basically a strategy question: ...
0
votes
1answer
71 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
166 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
0answers
35 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 ...
1
vote
0answers
64 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 ...
0
votes
1answer
61 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. ...
2
votes
1answer
42 views

Show all installed packages which are not dependencies

I would like to clean my fresh Xubuntu installation a bit. To do this I would like to print all installed packages that are not installed as dependencies. In other worlds I would like to list all ...
0
votes
1answer
806 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? ...
2
votes
1answer
132 views

how to make scripts which will run on installation of apt package

I have created a bash script which will store some data into a mysql database. Then I have created deb file with that script and made it available for installation by creating local apt repository. ...
0
votes
1answer
137 views

shutdown 5:30pm every day

for a five thirty pm shutdown, should I change this: 30 02 * * * /sbin/shutdown -h now to: 30 17 * * * /sbin/shutdown -h now see also: Crontab Shut down command didn't work
2
votes
4answers
6k 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. ...
0
votes
1answer
1k views

glassfish: Authorization has been refused for credentials [user: admin] given in this request

On Ubuntu 14.04 Tahr and Glassfish 4.1, I managed to reset my glassfish master password as so: ejb@ix:~$ ejb@ix:~$ glassfish4/glassfish/bin/asadmin change-master-password Enter the current master ...
0
votes
0answers
24 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 ...
2
votes
0answers
117 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. ...
0
votes
0answers
65 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.
1
vote
0answers
51 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 ...
2
votes
0answers
54 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 ...
0
votes
1answer
204 views

Howto enable spellchecking in Canadian English (incl in LibreOffice) for all users / system-wide

It seems that no one gets the benefit of spell-checking in LibreOffice on our Ubuntu computers. We have them generally set up with Canadian English as default languages, but apparently there is no ...
4
votes
3answers
244 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 ...
0
votes
0answers
67 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 ...
1
vote
2answers
602 views

Run program as root without using sudo

Can someone help me to run a ".run" on Ubuntu 12.04 LTS. My problem is I want to execute this program as super-user, but I don't want to use sudo to run it. I just want to run with ...
0
votes
1answer
57 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. ...
4
votes
1answer
198 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 ...
-1
votes
3answers
84 views

Can Ubuntu run without internet?

I have already installed Ubuntu on my laptop and I want to ask if Ubuntu can still run without internet.. Thanks!
0
votes
0answers
22 views

how do i fix this problem? [duplicate]

~$ sudo apt-get -f install E: Could not get lock /var/lib/dpkg/lock - open (11: Resource temporarily unavailable) E: Unable to lock the administration directory (/var/lib/dpkg/), is another process ...
1
vote
2answers
7k views

How to add my user account to admin group (13.10 desktop) [duplicate]

I was trying to extract a web template into the hosting folder /docroot on the web service, which is working, however I do not have permission to complete the action. I cannot stand being locked out ...
1
vote
1answer
41 views

What GID number assigning policy does have Ubuntu so I can asign my organization GID without conflict?

In order to assign fixed GID for departments in my organization, I would like to be sure not to choose an GID that would be selected in the future for another reason (like a new system group for a new ...
2
votes
1answer
4k 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 ...
0
votes
1answer
75 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
721 views

HELP! I'm locked out of all Ubuntu accounts

I was using these commands in terminal: sudo apt-get install gksu gksu nautilus I needed to move some files from one account into another & then I wanted to rename some of the accounts. I got ...
3
votes
2answers
2k views

How to prevent users from renaming files while providing write permissions on Linux

For some special purpose, I want to prevent non-root users of the Linux Server from changing or renaming the filenames. However, they can modify and write to the contents of the file. How to do this ...
2
votes
1answer
789 views

remove 8.04 repositories in 12.04?

after using ubuntu for about a year, it's time to pose my first question. I am running ubuntu 12.04.3 and recently I've had some issues with resynchronizing the package index files. sudo apt-get ...