Questions tagged [administration]
Questions about Computer Administration
191
questions
0
votes
2answers
11 views
Systemd interaction with Minecraft server
As you do when you're bored, you set up a Minecraft server for you and your friends. I'm trying to make this constructive so I'm learning systemd.
My question is if there is a way to interact with ...
0
votes
1answer
34 views
Why can't I see the sudoer permissions for another user in Ubuntu 18.04?
I am very used to using sudo -l -U <user> to check another user's sudo capabilities but since version 18.04 I can no longer see this. It always comes back blank.
Is there some special setting I ...
0
votes
0answers
65 views
Cron job of new user high CPU usage
I have a fresh (3 weeks) install of Ubuntu server 18.04 LTS and about a week in I created 2 new users. If the cron systemd service is running, something is making my cpu really hurt, cause the load ...
0
votes
0answers
31 views
how to make environment variables persist?
For this bash script:
#!/bin/sh
export AccessToken=678
export AccessTokenSecret=wxy
export ApiKey=abc
export ApiSecret=123
How can I then ensure that printenv run at a later point in time will show ...
2
votes
2answers
217 views
how to use setenv to set an environment variable?
I've tried a few variations on setenv usage, including:
thufir@dur:~/powershell/helloPSTwitterAPI$
thufir@dur:~/powershell/helloPSTwitterAPI$ setenv ApiKey="57647625454354365"
Command 'setenv' not ...
1
vote
0answers
54 views
Active Directory with ubuntu compputer
How I open Ubuntu device by a user from active directory after joining this device to the active directory ?
2
votes
2answers
287 views
Is there a way to create a user with username “admin”?
Is there a way to create a user with username admin?
When I tried to pick a username admin I got this error/ warning message.
The username you entered (admin) is reserved for use by the system.
...
1
vote
1answer
553 views
How to open Nautilus as admin in Ubuntu 19.04
We have been cautioned not to use sudo nautilus to open Nautilus as root.
Have not been able to download gksu for 19.04.
Have also tried to install nautilus-admin to 19.04 without success.
Is it ...
0
votes
1answer
269 views
Proper way to run Rider without Missing Templates
I'm using Ubuntu x64 18.04 and Jetbrains Rider IDE 2019.1.3
If i download rider with snap or download & extract tar.gz file; I can run rider with clicking app icon on Ubuntu's launcher / unity.
...
-1
votes
2answers
107 views
Is it possible to update, upgrade and administer Ubuntu via the GUI and never touch a command line?
Hi I use Debian and Fedora and have since 2007.
It seems that Ubuntu has marketed and built itself to make Linux easier and more user friendly for daily use.
PROBLEM:
I am planning to use Linux in ...
0
votes
0answers
30 views
Record of file downloads
I'm a system administrator and I've been asked whether it is possible to keep a record of file downloads (both successful and unsuccessful ones) by users (yes, of files they already have access to via ...
0
votes
0answers
614 views
New restart error? “Authentication is required for rebooting the system while an application is asked to inhibit it.”
Okay, so this is a follow up question to my last one, about my “issue” installing VirtualBox off the Software Center. I did what I was asked to with the Software Center, as it looks like VirtualBox ...
0
votes
0answers
21 views
Ubuntu server - adduser and create home directory structure without logging in
I need to create a new user for an app (a standard user because it requires a user directory structure), however i noticed adduser only creates the user home directory structure after the first login ...
0
votes
0answers
23 views
no root access for user account [duplicate]
Sorry if the question is too simple. Is it possible for the root of a server to create account for a user so that his password ( the one of the user) will not be accessible to him (the root) ?
20
votes
2answers
9k 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 ...
2
votes
1answer
674 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 ...
1
vote
1answer
7k 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.
...
1
vote
2answers
4k 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 ...
1
vote
1answer
155 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
772 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
286 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
829 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
100 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 ...
9
votes
5answers
9k 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
36 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
636 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
25 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
578 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
152 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
117 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
869 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
165 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
74 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 ...
4
votes
3answers
5k 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
1k 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
45 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 ...
5
votes
1answer
5k views
How to uninstall all trackers (tracker-miner: fs, apps)
How can I uninstall this programs in Ubuntu 16.04? Permanently from being installed by updates.
2
votes
1answer
424 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
117 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
9k 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 ...
15
votes
2answers
57k views
Which is the process using apt-get lock? [duplicate]
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
4k 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
63 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
103 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
1k 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
385 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
1k 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.
...
6
votes
2answers
4k 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
35 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 ...
