Questions tagged [users]

For questions related to users, user accounts, user permissions or guest accounts.

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New Kubuntu 20.04 user accounts without group memberships

I recently experienced strange problems when creating user accounts on freshly installed Kubuntu 20.04 PCs. The user account created during installation of the OS works as expected. It is member of ...
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anyone had any experience with DFI GHF51? [closed]

Here is the thin. My supervisor gave me a motherboard called GHF51 ,and asked me to study it. At first, I google it,and I found it can support Ubuntu and OpenCV. I didn't see any user reported GHF51 ...
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31 views

ubuntu LiveCd enable user login

I am customizing Ubuntu 18.04 and want to boot from a USB drive. As the LiveCD does automatically log in, I Want to enable user login while booting. Can someone pls help me to enable user login for ...
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33 views

Manage users and groups on Ubuntu Server 18.04

Is there any way to manage 10 users divided into 3 groups on Ubuntu Server 18.04?
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1answer
42 views

Limit user1 access to allow wired connection only, allow user2 access to wired and wireless access

I have a VPN client router installed behind my normal router. My laptop is hard wired to the VPN router and is connected wireless to the normal router. I would like to limit user1 access to the web to ...
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15 views

Networking and managing users

I want to teach Programming to student from low income families in Nigeria. So I wish to know how I can network computers so that each student will have a unique login details and can access the ...
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32 views

Lubuntu login screen doesn't show users

Hello i have just bought a cheap vps with ubuntu on it and installed lubuntu for UI with tasksel, now i rebooted and tried to log in but it shows me the login screen asking me to choose my user, but ...
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25 views

Linux Ubuntu 20.04 not working after adding second user

I added a new user to my Dell laptop with Ubuntu 20.04 version installed on it. After I added the new user and restarted my computer it will not show any icons or images at all. I can open some ...
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1answer
34 views

`sudo -iu user` getting error `-sh: 1: source: not found`

When I switch from my root account to my new sudoer account I get the message -sh: 1: source: not found. # sudo -iu user -sh : 1: source: not found I then do bash and I get the user showing $ bash ...
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1answer
20 views

How do I have `w` command output 10 characters for USER?

w command shows who is logged on and what they are doing which outputs only first 8 characters at most by default for USER. How do I let it output more characters, say 10?
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3answers
72 views

Bash: Copy to home directory

A bash script is used to copy a file to startup directory. It works fine when the username (ashok) is explicitly given: #!/bin/sh sudo cp /usr/share/applications/syncthing-start.desktop /home/ashok/....
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46 views

Bash script: Create a New User, then Delete the Existing User

I am trying to write a script, to create a new user, then delete the existing user. The script does not show any errors or warnings, but the existing user is not getting deleted, when running from ...
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Ubuntu 20.10 Lost all files with usermod when added user 1001 to group 1002 accidentally

I was adding a new user {rasa} to my Ubuntu studio 20.10. I was adding rasa uid:1002 gid:1002 groups=rasa (1002) To the audio group for privileges to change cpu to performance and set jack settings. ...
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1answer
28 views

giving write permission to a user inside a protected area

For instance, I don't need to be a super user to write inside a /home/username/dir folder, yet system locations like /usr/bin/folder1 or /etc/bin/folder2 are protected, in that they require super user ...
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1answer
21 views

Add user to virtual box to fix Vm USB problem

Could someone explain why does the user needs to be added to the virtual box, please/ How to add users to vboxusers to enable USB usage The problem is described and solved in the above link.
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3answers
122 views

No permission to access to any usb drive

On Ubuntu 20.04 recently cloned from a USB drive to my internal SSD, I can't access to any USB drive. It gives me for every USB sticks I plug into my computer. I verified that I had access to them ...
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0answers
21 views

After boot gui login forgets about user

Hello ubuntu community, I hope you can help me to learn more about ubuntu and get my system starting correct again. What happend I used the system with ubuntu 20.04 LTS for two month without any ...
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2answers
41 views

Change directory owner/group from root to a user

when trying to change the ownership of a directory i get the error: chown: changing ownership of '/home/tadpoles': Operation not permitted I even get the above message when i do sudo -s and ...
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2answers
82 views

Error when creating a new user

I tried to create a new user account. The following error occurred when I tried to run sudo adduser bob [root@IU:~# sudo adduser bob Adding user `bob' ... Adding new group `bob' (1007) ... ...
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1answer
52 views

CHMOD and how the permissions thing works? [closed]

So I got few questions about CHMOD and permissions in general. I know there are 3 groups: user(the creator of the file, the admin user (?) ) groups others My questions are: Can I create more than 1 ...
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2answers
44 views

How to allow another user in a group to read a file [duplicate]

I need help in this question please I have tried several times. Create a file, /home/jack/secretf7b079, containing the string secret5cd51b. Make sure the file is owned by jack. Use a group to enable ...
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0answers
34 views

How do I switch between users, without logging out?

I am using Lubuntu, my desktop environment is lxQt and screensaver is xScreensaver. I'm trying to figure out a way to switch between users, (e.g. when pressing Meta + L). Even though, it is possible ...
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20 views

Sudo password is not wokring although user in sudo group

I have a user and I check by writing groups username it shows me your user is in sudo group. But When I wrote sudo some_commands it doesnot accept my password by saying Incorrect password . I thought ...
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13 views

Syncing preference folders among users (specifically Rhythmbox)

I have two users, call them A and B, on Ubuntu 18.04.5. I would like to share the same rhythmbox library between the two, giving both the ability to update play counts, ratings, playlists, etc. The ...
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1answer
75 views

how to run firefox as a different user?

how do I determine whether this is starting firefox literally as a different user: nicholas@mordor:~$ nicholas@mordor:~$ xhost + access control disabled, clients can connect from any host nicholas@...
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21 views

20.04 / Gnome: How to reset all configurations of a user [duplicate]

I have been running Ubuntu for years now with only LTS upgrades. root and /home are separate partitions so I have always kept /home and that served me fine until now. There is only the one user, ...
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1answer
55 views

Can't add group to user

For ROCm 4.0 in Ubuntu 20.04 I need to add the 'render' group to the user. I do this with pete@black:~$ groups pete adm cdrom sudo dip plugdev lpadmin lxd sambashare pete@black:~$ sudo usermod -a -G ...
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19 views

How to convert one user account to another?

My company use a cloud directory service to manage our users. Long story short I need to use a new user account on my machine, but would like to import or clone my old user account over it so I can ...
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24 views

Polkit Window doesn't allow user selection, how to pick different admin

I'm running the latest Ubuntu 20.04.1 It seems like polkit(I could be wrong here) isn't working as expected. When a regular, non-admin, user tries to do something that needs admin, they get a dialog ...
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72 views

Using SSSD and realmd to join domain on Ubuntu 18.04 desktop, but after idle period users IDs not recognized

Running Ubuntu 18.04, I can join a machine to the domain successfully, and if I log in to the machine immediately via the GUI with an AD account it will work and I will be able to run id <username&...
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0answers
23 views

logins I want them to open Google Chrome on a specific website, without access to the desktop. Minimum system

Good afternoon ! How do I customize my ubuntu 20.04.1, I want to create a user that doesn't have many accesses. As soon as the user Login I want he to open google chrome on a specific website, without ...
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1answer
31 views

Why is useradd -p option not recommended?

I've read that it is good practice with regards to security to run docker containers as non-root user, so I create a user in my Dockerfile and switch to that user in the end of the Dockerfile: // ...
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0answers
20 views

User not found in the Setting

Today when i turn on my laptop , After booting Ubuntu(20.04) showed me a "create an user" page instead of login page. So i created a new user and when i logged there was an upgrade ...
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0answers
53 views

Prevent user from mounting USB Key

How to prevent users from mounting a USB Key which is mounted automatically on boot with with line on /etc/fstab: /dev/disk/by-uuid/64A5-F009 /media/usb-Samsung auto uid=1000,nodev,umask=000,nofail 0 ...
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1answer
41 views

How can I find out which users are logged in on my computer?

When I go to shut down the computer every time it says someone is logged in as guest and "do you still want to shut down?". I used the action /var/auth.log but it says permission denied. ...
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106 views

Finger print login option is not shown in ubuntu 20.04 in lenovo thinkpad e14

I am using ubuntu 20.04 and my lenovo thinkpad e14 supports fingerprint scanner but in user setting doesn't show any add your fingerprint option. I tried so many things like fprint gui and other stuff ...
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1answer
33 views

how to set different login and root password [duplicate]

I want to use different password to logging into desktop from what I can use for sudo -s or sudo -s -u root on terminal/bash. And also I don't want any additional users with different desktops(like ...
0
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1answer
138 views

bash.bashrc not working for all users

So I have 2 users on my PC when I add the line alias abc='echo Hello' in /etc/bash.bashrc file and log back in it only works for the first user. (the one that I changed the file) I even rebooted my PC ...
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0answers
35 views

How do I recreate user and link to home directory? My Ubuntu user account has disappeared

My user account seems to have been deleted. After running sudo rm -rf var/log/* and then rebooting I get the Ubuntu setup screen (for setting language, location, username and password). The default ...
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0answers
37 views

How to create permision for each user

hi i want to create multiple user and each user only can access their directory, for example: user1 have home/user1 user2 have home/user2 user1 only can listing/execute/read/write their own directory ...
4
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1answer
400 views

Users who are logged in more than 2 times - bash script

I'm trying to write a script that will check if users (as arguments) are logged more than one time simultaneously. So far I have a script then checks the first argument and it works fine. But how do I ...
0
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1answer
26 views

Other users unable to access shared Directory

I created a directory in /home and changed its group from root to sharing. Other users in the group sharing are unable to access the directory. I have tried a lot of ways to solve this problem but I ...
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2answers
81 views

Giving Windows user permissions in Samba shares

I'm pretty new to Linux and especially to Samba. so, I installed samba and created a share. my Windows server and client PC's can connect to it. but I want to give the different Windows users ...
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0answers
20 views

pass argument to a variable and set it as a password for the users, and this password will expire within a week

I have a bash script file and I want to pass an argument as the users password, and this password will expire within a week. With this script, I want to be able to set the users password by the user ...
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0answers
85 views

Why my messages in /etc/motd are not showing?

My welcome message is not showing, how do I check if it is enabled or disabled
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0answers
58 views

How to ask a user to enter a welcome message? Then, how to do I print this custom message to other users?

I should execute necessary bash commands to print this custom message automatically to other users.
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0answers
37 views

VirtualBox booting from USB as disk [duplicate]

I installed Virtualbox on Ubuntu 20LTS, I have some questions you may help me solve. I am trying to run a Ubuntu VM from an USB as a disk About Users & Groups: which groups needs the user to have ...
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0answers
24 views

What user is running VMs in VMPlayer?

How do I find what user is running VMs in VMPlayer? I ask because i want to attach vmdk file as read only and want to make sure file is readonly for vmpalyer.
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0answers
33 views

User not showed in login

A few days ago I tried to customize the gnome terminal and in trying to return to the default configuration I touched something too much. At boot Ubuntu 20.04 forces me to create a new user as if it ...
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0answers
46 views

How can I remove all the users and groups associated with removed (purged) programs?

How can I remove all the users and groups associated with removed (purged) programs? For example, I install exim. It created a group and a user named Debian-exim. I then use it for a while, and remove ...

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