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Questions tagged [administration]

Questions about Computer Administration

-1
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0answers
51 views

Becoming a Linux Expert [closed]

I'm not new to Linux in general, but I do not have expertise in it by far. I'd like to increase my abilities with Linux to the point that I can say I am a professional or an expert. What are some good ...
15
votes
2answers
2k views

How can one restrict the number of CPU cores each user can use?

We have a computer whose CPU has 32 cores and it's going to be used for running programs by a few different users. Is there any way to restrict the number of cores each user can use at any time so ...
0
votes
1answer
28 views

What is the best cgmanager alternative for Ubuntu 18.04 LTS?

I was using package cgmanager to automatically manage processes into memory cgroups in Ubuntu 16.04 LTS environment. However, I did a fresh install of Ubuntu 18.04 and package cgmanager is no longer ...
0
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0answers
32 views

Ubuntu 18.04 adminstration section and account setting unavailable [duplicate]

I am unable to access the admin section, printer, wifi, etc....controls , niether are the account settings available. I tap on the icon and nothing happens. Am running Ubuntu 18.04.
0
votes
1answer
665 views

Ubuntu 18.04 ethernet not configuring automatically

I have a laptop with Ubuntu 18.04 Desktop installed. The system is eager to configure and operate WiFi, but I need a wired connection because my adapter is slow compared to the 1000BASE-T Ethernet. ...
0
votes
0answers
20 views

Creating and retaining audit log data for 6 months before deletion

Disclaimer: I'm not an accredited nor very experienced sysadmin but have been tasked with some sysadmin responsibilities Task: Find a way to log all account management activities (e.g., account ...
1
vote
2answers
151 views

How do I change the boot partition from one drives partition to a different drives partition?

I have two hard drives each with one primary partition, each with their own Ubuntu 18.04 install sda1 40gb sdb1 512gb The only purpose of sdb1 is to hold compressed backups of sda1 Normally the ...
0
votes
0answers
20 views

How to setup a list of users using bash [duplicate]

I need to add many users on a Ubuntu machine. Is there a way to add a list of users using a text file? When using adduser it always asks for an individual password and extra information, else I would ...
0
votes
1answer
89 views

Install minimal Ubuntu like AWS EC2

Is there any way I can install a minimal version of Ubuntu (GUI-less) so that it would closely resemble the Ubuntu set up you get when you get a standard AWS EC2 system? is there a better choice that ...
2
votes
1answer
129 views

How do I check that my users and groups are correct?

I have many Ubuntu-powered devices around me. As far I know /etc/group, /etc/passwd, /etc/shadow are created during installation, so they do not belong to any package: $ dpkg -S /etc/passwd dpkg-...
0
votes
1answer
149 views

Cannot sign in my laptop after sudo admin problem in terminal

Whenever I open the terminal I'm Ubuntu 18.04 To run a command as administrator (user "root"), use "sudo <command>". See "man sudo_root" for details. After that, I can't get into any of my ...
1
vote
0answers
400 views

change permission of directory and all its sub-directories/files recursively

I have search around but can't find the correct answer. How do I change the permission of a directory and all its sub-directories/files then also when a user creates a file or directory this must ...
1
vote
0answers
59 views

Prevent AD users changing the background in Ubuntu 16.04 with Unity desktop [duplicate]

I run a high school computer science lab with 17 desktops running Ubuntu 16.04 with the standard Unity desktop rather than Gnome. The users log in with Windows Active directory IDs and have standard ...
4
votes
2answers
2k views

Is there a GUI tool for managing systemd on Ubuntu 18.04 (Bionic Beaver)?

Is there a GUI tool for managing systemd on Ubuntu 18.04 (Bionic Beaver)? I want to be able so see the status of services and/or units (and/or whatever else systemd calls them). Ideally, I could ...
0
votes
0answers
22 views

seperate permission for particular user

Can we set a particular permission for a single user user. Like I want to assign only ssh permission for a particular user. this user can't use any other command on server. Operating system centOS ...
0
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0answers
34 views

Ubuntu 16.04 and Chrome managment

First of all, I'd like to greet everyone, it's my first post on this forum. I got two questions about Chrome browser in Ubuntu 16.04 (Xenial Xerus). I need to find out how to manage it from Terminal ...
0
votes
1answer
308 views

share virtualbox os with multiple ubuntu users

i have an ubuntu install with user account of myself and my brother sister father. recently install windowsxp on virtualbox on myside. how can i let my other users (brother sister etc ) to have access ...
0
votes
0answers
23 views

Share one of the main linux directories on server for all network clients

I'm trying to setup a network that I share /usr folder on my server and use it for all my clients so I don't need to update my /usr/lib for all clients every time and just updating server for all the ...
0
votes
0answers
301 views

Add New user and password with sudo permission in Linux programmatically [duplicate]

Add New user and password with sudo permission in Linux using programmatically in C or C++ language. Exist solution like How can I add a new user as sudoer using the command line? ,In this case you ...
0
votes
0answers
21 views

nautilus-admin doesn't work in Ubuntu 17.10 [duplicate]

So yesterday I tried to use gksudo nautilus, but it resulted in (nautilus:3336): Gtk-WARNING **: cannot open display: :0 not connect: Connection refused I searched askubuntu and found suggestions ...
0
votes
0answers
123 views

Unable to make changes System > Administration menu (permissions)

So I've had this issue for some time now but I've never really been able to find a permanent fix. I am running Ubuntu mate 16.04 and through the GUI any of the options i select on the system > ...
1
vote
1answer
98 views

leafnode fetchnews: received bogus greeting (498)

How do I run some sort of diagnostic to check the connection to an upstream leafnode NNTP server running on the same network? thufir@arrakis:~$ thufir@arrakis:~$ telnet 192.168.1.7 119 Trying 192....
1
vote
2answers
413 views

How to centrally administer Ubuntu servers [duplicate]

I'm curious as to whether there is a convenient way to push updates to multiple Ubuntu servers from a central location instead of remoting into each one individually and manually updating them. Bonus ...
0
votes
1answer
90 views

System Adminstration

I have lots of instructions for various things that tell me to choose the Administration function from my System menu. It doesn't exist. What should I do?
1
vote
0answers
32 views

How to prevent cached temporary files from being removed?

I have Ubuntu14.4 on my machine, and also have downloaded Android-SDK to program for Android. When I install some package in Android-SDK, it does three things: first it downloads the package into a ...
2
votes
3answers
2k views

How should one name “admin” user?

The ubuntu has user "root" of unlimited privileges, apparently, it exists to not be used. The "admin" is already taken by something. So, assuming the computer is not connected into any sort of ...
0
votes
1answer
676 views

How to change shutdown/Suspend/ off the main panel in Ubuntu MATE 16.04

I want to log off and then shut-down my computer and those buttons are deprecated for me, I would like to change that Power button for log-out instead and the menu items too. How can I achieve this ?,...
0
votes
1answer
41 views

How to create an admin account after my admin account got deleted

My admin account has been deleted. This was because I had to use the dell recovery after a problem after one of the updates provided by Ubuntu. Now I only have the guest account. How do I go ...
2
votes
1answer
2k views

How to uninstall all trackers (tracker-miner : fs, apps)

How can I un-install this programs in buntu 16.04 ? (Permanently from being installed by updates.)
3
votes
1answer
288 views

Can Shutdown/Suspend/ be taken off the main menu in Unity?

I tried to take a screenshot of the main manu power icon. My main goal is to have these actions on the login screen only, leaving the log out action as the mediator. I'm currently using 16.04 64 bits
0
votes
0answers
81 views

How to make the TTY use my entire screen resolution

I've been using the TTY (CTRL + ALT + F1) and I need it to have full screen resolution. Is it the configuration for the Kernel or for SH I don't have any ideas.
5
votes
2answers
7k views

Job for fail2ban.service failed because the control process exited with error code

I have installed fail2ban on my server (OS: Ubuntu 16.0.4 LTS). When I try to start it, I get the following error message: Job for fail2ban.service failed because the control process exited with ...
9
votes
1answer
24k views

Which is the process using apt-get lock? [closed]

I don't have any package installations running, yet I get the following error when I try to install a DEB package. I thought about rebooting the system but that could corrupt the database. And it has ...
2
votes
1answer
2k views

How to factory reset /delete all users in ubuntu 14.04?

I am new to ubuntu. I purchased a laptop today which comes with Ubuntu preinstalled on it. On starting it asked me to create a user with a password. After logging in, I found that its specifications ...
0
votes
2answers
60 views

How do I install/uninstall software when I am not the administrator? [duplicate]

I bought a laptop from a guy who has reprogrammed it and is still the device administrator, which means I can not install or uninstall any software or programs and I have no control over my device.
0
votes
1answer
93 views

Linux Training courses [closed]

I am a fresh computer science graduate and I have been a Linux user for five years. I would say that my Linux skills are intermediate, Like I am very comfortable using the Command Line and carrying ...
1
vote
0answers
647 views

12.04 - Cannot unlock user account although it is an admin account

I am having problems similar to these, but in this post no one managed to solve it. How do I unlock system tools such as users and date and time This issued is bothering me a lot, because it also ...
0
votes
1answer
325 views

Alternative to remote desktop, more a remote screen

I'm using an Ubuntu pc for spotify, autoplay cd's, mediaserver with pictures synced by dropbox, that kind of stuff. In general it should be an automated pc which wont be monitored too often. It is ...
2
votes
0answers
742 views

How to clone a user's settings [closed]

I have to set up a bunch of computers and a bunch of user accounts to set up on Ubuntu Gnome. I'd like to set up a standard 'skel'eton as a base for new accounts. Here's what I've done so far. ...
4
votes
2answers
2k views

dpkg -V , What does the output mean?

I ran DPKG Verify on all packges and got this output and I don't know what it means : ??5?????? c /etc/lightdm/lightdm-gtk-greeter.conf ??5?????? c /etc/default/chromium-browser ??5?????? /usr/...
0
votes
1answer
33 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 ...
1
vote
2answers
140 views

Why does apt-get marks packages I dont want directly?

If I try to install metapackage apt-get install lubuntu-desktop and then see the output of apt-mark showmanual | grep lubuntu I see much more than just lubuntu-desktop: lubuntu-artwork lubuntu-core ...
1
vote
0answers
463 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
1answer
344 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?
2
votes
2answers
1k views

Is there a numbering convention for xorg.conf.d files?

I have had to set up custom xorg.conf.d files on several boxes and one nagging question finally can't be ignored: Is there a numbering convention for these files? Does the number control load priority ...
0
votes
1answer
50 views

What is the best tool to manage several Ubuntu stations over network? [duplicate]

Wich are the options for Ubuntu Desktop management over network? Not installation deployment over network. Management of more than 1000 Ubuntus desktop over network. Something like Red Hat ...
1
vote
0answers
36 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,...
3
votes
1answer
379 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 ...
5
votes
1answer
8k 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
2answers
54 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 ...