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

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1
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2answers
63 views

Is it safe to revoke group other access to every directory in a file system?

I'm trying to secure an account on our server called ssh_user that is used purely for connecting via SSH to our server. Everyone on our team logs into this account via a PSK secured ssh connection ...
0
votes
0answers
18 views

Give access to restart network services/eth0 without root access [duplicate]

I am creating a support account on a Ubuntu server and given it access to specific folders and log files I would like this account to also be able to either reset the eth interface sudo ifdown eth0 &...
1
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1answer
35 views

CUPS what command do we use to get information about the user?

I'd like to know if there's a command that let you get information about the user of the printer like how much pages he had printed ...etc ?
0
votes
0answers
10 views

How can I re-enable LDAP authentication?

I was attempting to create a new account for a user on a machine via LDAP. He could authenticate via terminal with his LDAP account, but not into the display manager (lightdm). After unsuccessfully ...
1
vote
0answers
30 views

How to stop logging user login history?

I have noticed a History button in System Settings > User Accounts on my newly installed Ubuntu 15.10 system. It brings up a log of recent login sessions for the selected user. How can I disable ...
0
votes
0answers
18 views

How to log in to an account which is hidden from the lightdm login screen? [duplicate]

I followed the accepted answer of How do I hide a particular user from the login screen? (the one about modifying /var/lib/AccountsService/users/USERNAME) to hide the user guest-config from my lightdm ...
1
vote
1answer
30 views

Add a user with an already existing home directory

I recently reinstalled Ubuntu. Since I had a separate partition for /home, I was able to keep my old files. Now I need to add another user, let's say named "bob." The /home/bob directory already ...
0
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0answers
18 views

Increment Space to users /home

I need add or increment Space to users /home but I don't now How can i do this? For example I have userA with space 1G and userB with 1G. Now I need increment space userA to 4G How can do this?
1
vote
2answers
35 views

how to run an application from a different user than the user that installed the application

I have 2 user accounts, user_1 and user_2. I installed intellij under user_1 before creating the user_2 account. After I created user_2 and logged in as user_2, I cannot see the intellij application ...
1
vote
2answers
108 views

Sudo is not asking for password on Ubuntu 16.04

Ever since I update to 16.04 I notice whenever I use any sudo command the terminal does not ask me the password before executing the command,The command is directly executed.I am the admin and I have ...
0
votes
0answers
17 views

Avoid duplicates in active users

Currently I use gnome-shell and ubuntu 16.04. Everytime (even after reboot) I have at least 5 active users at same time. Here my command line output. Total count: users | wc -w 5 Users list: ...
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votes
1answer
72 views

permission denied target 'xyz' is not a directory [closed]

Please help with this question : Create a new user called hos with password 123. In the home directory of this user, create a file called xyz, containing a list of all files and directories from /etc ...
0
votes
1answer
37 views

Why won't Ubuntu let me create a user account named “games”?

I downloaded the source for "nethack", and it suggests I create a user and group named "games". But when I click on (gear symbol) -> System settings -> User accounts from the menu bar, Ubuntu will ...
0
votes
0answers
31 views

No passwd entry for hadoop [on hold]

I have install Hadoop 2.7.2 in /usr/local directory. When I run hadoop version it gives the output correctly as hadoop 2.7.2 Subversion https://git-wip-us.apache.org/repos/asf/hadoop.git -r ...
0
votes
0answers
15 views

Can't modify settings, can't change the background, all the icons docked on the launchpad disappear

I am suffering from a weird problem. I can't change my background or power settings, and every icon I dock onto the Launcher disappears after reboot. The launcher resets to the original after every ...
0
votes
0answers
15 views

How to recover administrator permission and media access for normal user?

I have a dell pc with ubuntu 14.04 lts version for my work. On a spring day, my system administrator removed my system's administrator permissions and removed my media access. He used the following ...
0
votes
1answer
28 views

Adding users and giving special permissions

I have tried different things with chmod and adduser commands but it will take too much time for me to do this. Here is what I try to do: Lets say I will add 3 users to my system. Each user can read ...
3
votes
2answers
26 views

How to transfer all my files to another user, including permissions

I have to create another user and transfer all my files to "him". The problem on Linux is that the new user will not be able to access them/edit them. Is there a fast command to transfer all files AND ...
1
vote
0answers
29 views

How do I mark a group in polkit as administrator?

I am using authentication via smb and want all users of the admins group as local administrators. For this I created the /etc/polkit-1/localauthority.conf.d/60-local.conf file as described in ...
17
votes
1answer
918 views

Get email notification for using 'sudo' by a specific user

I have a server set-up and I let somebody that I trust with a little bit of sudo access have it. However, I also want an email anytime that they use sudo. I know that I can use Defaults ...
0
votes
1answer
63 views

Software package fails installing because of permissions

I'm busy installing WS02 on Ubuntu 16.04 LTS Server edition, right now I am facing some problems regarding permissions I guess below is my terminal log. I checked the directory with $JAVA_HOME and ...
2
votes
4answers
359 views

How to find which users are currently logged in?

uptime shows among others 4 users, should I be worried? According to man uptime uptime gives a one line display of the following information. The current time, how long the system has been ...
0
votes
0answers
34 views

How to reduce Bandwidth using squid delay pools in a LAN

I have a LAN with user PCs that managed by linux squid proxy server. IP ranges : User1 category : 192.168.1.2-192.168.1.12 User2 catogory : 192.168.1.13-192.168.1.23 User3 catogory ; 192.168.1.24-...
0
votes
0answers
15 views

VNC connect to background user

Is it somehow possible to allow local VNC connection to background user to other people while I'm myself working as the main user?
0
votes
3answers
35 views

Do files/directories belong to a user AND a group?

I'm trying to understand how file permissions work in Ubuntu. However, I can't understand the difference between user and group permissions. In here it says: Owner permissions − The owner's ...
0
votes
0answers
47 views

Ubuntu Live User Password

We've all seen the question before; "What is the password to the live user on Ubuntu?" This is always coupled with the same, correct, answer; "There is none." But how does that work? If I were to ...
8
votes
1answer
337 views

How to add new Users to Ubuntu tablet BQ M10?

I have just unboxed my all-new BQ Aquaris M10 Ubuntu Edition and started it for the first time. The device comes with Ubuntu 15.04 pre-installed. While playing around, I was unable to find any setting ...
1
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0answers
32 views

Member of group cannot cd into directory

I have a folder testfolder with owner tuser1 and group testgroup. ls -l shows this: drwxr-x--- 24 tuser1 testgroup 4096 Apr 17 13:33 testfolder tuser2 also belongs to testgroup. getent group ...
0
votes
0answers
17 views

Problem with an user

I was trying to follow a video tutorial to install ldap in Ubuntu with a client and a server. The tutorial's girl said about create an user in a new file, "usuario.ldif". This is what I wrote: dn: ...
0
votes
2answers
57 views

How to display the group-memberships for every user of the system?

I need a command that displays the system’s users and groups from /etc/passwd and /etc/group. For each user I want to display the username, UID and all groups the user is a member of. I tried cat /...
0
votes
1answer
17 views

Recovering user data after misinformed username change

I wished to change my username. To acheive this, I made the unfortunate choice to simply edit "/etc/passwd", replacing the respective username. Now I cannot log in anymore as that user. I assume this ...
1
vote
0answers
50 views

Firefox 45.0.1 doesn't play videos when run as a different user on ubuntu 15.10

If something similar has already been posted somewhere: sorry about that; I am noobish... I have a newly installed Ubuntu 15.10 and I'm trying to run firefox as a different user (lets call this user ...
2
votes
1answer
89 views

How to check the list of packages and applications installed along with the name of the users that installed them.? [duplicate]

I have a Ubuntu desktop which is accessed by many other users. Is there an option or a command to check all the packages/application that was installed by a particular user. Thanks
1
vote
1answer
58 views

Disable features for a specific user

I want to disable all features on a specific user, on my Ubuntu 15.10. I want him to: Don't change the wallpaper I followed this How to restrict users on changing their wallpapers? , but my ...
0
votes
0answers
38 views

Ubuntu Mate Default Settings for User

I want when I create a new user, this user loads automatically a default setting file with a pre-made desktop environment. I had tried to add my config to /usr/share/glib-2.0/schema/99_default....
0
votes
0answers
21 views

Running my process in a different user

I have a simple Node JS script running on my Ubuntu VPS on the root user, the VPS will be used for nothing else, doesn't use excessive CPU or RAM or allocated memory space. Should I create a new user ...
0
votes
0answers
112 views

how do I set the libreoffice icon style for new users?

My organisation wants to have a common icon-style for libreoffice - they want to change from "Tango" to "sifr" for all new users. Obviously a user can set the icon-style themselves via The ...
0
votes
1answer
34 views

PAM configuration error can cause “The system is running in low-graphics mode” error

I want to add this information to the question 'How to fix “The system is running in low-graphics mode” error?', but I'm newly registered and don't have the reputation to comment on that question. ...
3
votes
1answer
36 views

Where does Ubuntu store the default groups new users are added to?

Is there a file that contains the list of default groups that all newly created users will belong to? An answer to the following question provides a work-around for creating users with certain group ...
0
votes
0answers
16 views

How to reset the default users [duplicate]

I was having some trouble with virtualenv and sudo and such and I found a solution which involved running chown on a directory. Instead of doing what the instructions said I did the completely wrong ...
7
votes
4answers
389 views

Terminal: List all directories for which a user or group has write permission

I'd like to list all the directories for which a user or group has write permissions. I found this question on ServerFault, but it addresses a Windows Server, so I'm optimistic there's something ...
0
votes
1answer
47 views

How to create new user with Public key authentication?

I have Ubuntu Server 14.04 LTS. I have Public key authentication enabled by default. I used the following command to create new user: sudo useradd -m -c "John T." john -s /bin/bash The command ...
-1
votes
1answer
49 views

It doesnt open the Users Settings, System Settings

Every time i click in Users Settings, in System Settings, it closes the window. A million times trying and it stills keep closing. Would somebody help me on this?
-1
votes
1answer
34 views

Ubuntu Server/Samba

I've installed Ubuntu Server and added Samba to use as a very basic file server with a few different users with their own accounts. Should I create the users and the groups in Ubuntu or in Samba, or ...
1
vote
1answer
58 views

Why do users created from System settings > user accounts not appear in sudoers?

I'm running Ubuntu 15.10 on different machines. On one of those I had to create a new user from command line (adduser) and then I added it to /etc/sudoers to give admin authorizations to that user. ...
0
votes
1answer
40 views

Find out which program requested authentication

I get password prompts like the one below every now and then. Usually they say: Authentication is required to change your own user data But I have not requested to do so. This often happens ...
1
vote
1answer
23 views

How to make user account always use default configuration

I need to set up a student account on school computers so that it always uses default configuration - windows sizes, apps layout etc. and also always deletes files after reboot or log out. It's ...
0
votes
1answer
60 views

Why is “/bin/false” required to install the packages?

I'm installing ntp package by giving the configuration as useradd -c "Network Time Protocol" -d /var/lib/ntp -u 87 \ -g ntp -s /bin/false ntp In the above command what does /bin/false ...
-1
votes
1answer
109 views

Adding users from text file [duplicate]

I'm trying to add multiple users from a text file and then to a group but I keep getting this error: 'seradd: invalid user name 'srogers My current script is: for i in $(cat users.txt) do echo $...
0
votes
0answers
13 views

logout isnt working [duplicate]

What is the command to log out using the terminal? my logout button isnt working. Im sure I can exit using sudo pkill lightdm is that the command, or is there something else? I’m using Ubuntu mate 15....