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

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2
votes
3answers
3k views

Problem with Winbind/Samba

I've been having an issue on my network that has completely vexed me. I have three workstations running Ubuntu 13.04, one Windows 7 workstation, and three servers on Ubuntu Server 12.04. One of the ...
0
votes
1answer
30 views

Do I need lvm password and passeord for my user-account

Just install an new copy of Ubuntu 13.10 Now it give me the option to make an password on my lvm-volume.. But then I have to password to write, to do an full login! My lvm-password and password for ...
0
votes
1answer
195 views

How do I change my logname? [duplicate]

How do I change my logname?For e.g: xyz@ubuntu in the terminal how do I change xyz? I have tried this command usermod -l *newname* -d /home/*newname* -m *oldname* but that gave me an error user ...
1
vote
2answers
148 views

Is there a way to check if others are logged into server when you are?

I am logged into Ubuntu server via ssh and I would like to know if another user is logged in via SSH as well. Is there a command that I can run to accomplish this?
0
votes
1answer
243 views

sudo useradd wont make home directory

I have an automatic script which works, only it just never makes a home directory. The data is extracted from a database. Heres the script: $SQL -s -e "SELECT uid, password FROM registrations WHERE ...
0
votes
1answer
201 views

sudo deluser --remove-home root

When I type sudo deluser --remove-home root it says that 'it may make the whole system unusable so stopping now without performing any action" and it doesn't work. Can you explain me why? Thank you
0
votes
1answer
52 views

How many users can I create with useradd without having a visible performace degradation

Assuming that I have a PC with 2GHz processor, 4GB RAM. How many users can I create with useradd without noticing a visible change in performance in server file operations like (copying files form ...
0
votes
1answer
207 views

Giving www-data access to files with 750 permissions

I have a situation where I want to prevent users of the system to browse each other's home dirs. So all home dirs have 750 permissions, instead of 755. Some users have www folders where they host ...
1
vote
2answers
69 views

How do I disable the administrators account?

My school gave me this Ubuntu laptop and it still has its schools administrators account on it. How can I get rid of it?
0
votes
1answer
197 views

I can not get 'motion' working… seems to ignore changes to .conf file

I am trying to use 'motion' to setup some simple video surveillance in Ubuntu 12.10. I installed motion and edited the /etc/motion/motion.conf file, but it seems like the program is ignoring the ...
11
votes
1answer
249 views

Create file for new user

I'm creating custom build of Ubuntu with some installed packages. My question is how to put a file on desktop automatically after creating new user? For example something.txt containing some text.
1
vote
3answers
63 views

Create Ubuntu version that refreshes after each restart

This is my first time posting on this forum so I hope what I am asking for makes sense. On weekends I admin the computers in a small learning center in my city where underprivileged kids can come and ...
1
vote
1answer
2k views

sudo mysqldump : Permission denied

I am trying to run sudo mysqldump with user account but I get : Permission denied message If I switch to sudo su then it works. The question is why sudo gives permission denied? should i give ...
2
votes
4answers
14k views

How to add users to vboxusers

So I want to use my flashdrive in Windows XP, which I am currently running in Virtualbox, but when I open up the settings to enable usb usage, I get an error: Failed to access the USB subsystem. ...
0
votes
1answer
42 views

Session User login problem, when I wake-up my Laptop from suspend

After I upgraded to 13.10, there are many few problem about login when I wake-up from suspend, after I have done the other activity. Illustration: When I wake-up from suspend in my laptop and I login ...
13
votes
6answers
18k views

Home directory not being created

I am trying to understand system administration on Ubuntu. So, as an example, I create a dummy user using sudo useradd -d /home/linda linda and the passwd to create a the password. I check that an ...
0
votes
1answer
62 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
224 views

Locate a user's bashrc file

Really confused. Upon running cat etc/passwd I have found this: postgres:x:117:126:PostgreSQL administrator,,,:/var/lib/postgresql:/bin/bash meaning I have a postgres user, right? I want to ...
0
votes
1answer
3k views

How can run sudo commands inside another user, or grant a user the same privileges as an admin?

Noob here, so just please tell me if this is stupid. Apologies also if the jargon in the title is a little off. Here's my problem. I have a user, postgres which I use for all tasks involving the ...
4
votes
1answer
332 views

Lost privileges since upgrading to 13.10

Since upgrading to 13.10, I no longer have the 'privileges' to do the following things: Mount USB/CDROM drives Run software centre or software updater Press the GUI shut down or restart buttons ...
0
votes
1answer
194 views

Reading mail from system user

When I log into a server, I get You have mail. With alpine and sudo alpine I've deleted all my and root's emails, but there is also a file /var/spool/mail/smmsp. How can I check email from that user? ...
0
votes
1answer
543 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 ...
1
vote
1answer
246 views

Reserved UIDs/GIDs and semi-reserverd UIDs/GIDs

When installing a new system, depending on selected packages, some uids for some packages aren't always the same. eg: 'sshd' may be UID 102, sometimes another value. On the other hand, 'www-data' is ...
0
votes
2answers
2k views

change default username that appears in the terminal

i wanna change something@something-pcname:~$ to somethingElse@somethingElse-pcname:~$. i have already tried changing the user name from something to somethingElse but the terminal still displays ...
0
votes
1answer
547 views

Remove postgresql and daemon user entries in Ubuntu Logon Screen

I installed ubuntu 13.10 and installed some software. Now I see two new users in the logon screen called daemon and postgres. How can this happen? Is there a way to remove these entries from logon ...
0
votes
2answers
242 views

Standar Users and wifi connection

I just can´t find the way to make that the system doesn´t ask for Admin pass when an standard users want to change their wifi connection.
1
vote
3answers
156 views

Move data from others user accounts in my user account

I had problems with compiz setting and I make multiple accounts, now I want to transfer my information from all deleted users in my current account, some data I can not copy because I am not right to ...
3
votes
1answer
277 views

How to change the UID of a user with an encrypted home directory

How can I change the UID of a user with an encrypted home directory?
0
votes
1answer
2k views

This location could not be displayed You do not the permissions necessary to view the contents of www

I cant acces /var/www all of the sudden... also I would like to just give the user "loko" all the permissions. How can i get the error I am getting all of the sudden and how to fix it? Yesterday it ...
1
vote
1answer
265 views

Should I use a separate 'admin' user as my “root sudo” or grant sudo to my 'app' user?

I'm still wrapping my brain around the Ubuntu 'nullify root' user management philosophy (and Linux in general) and I'm wondering if I should 'replace' my root user with a user called 'admin' (which ...
1
vote
0answers
348 views

useradd -p broken in 12.04 LTS?

I have a mail benchmarking application that I need to set up, and part of that includes setting up at least several hundred dummy user accounts. I had this scripted so I could easily recreate the ...
0
votes
1answer
147 views

How do I automatically change to a specific folder on login for an account with no home folder?

Typically I would create a user account and in the home folder, place the cd command in the ~/.bashrc file. For system users, however, with on home folders, the /etc/bash.bashrc file is used instead ...
0
votes
1answer
46 views

vpn connection shortcut for different usersnames and passwords?

can anyone tell me how to create a vpn connection in my desktop that requires both username and password each time ... cuz Im going to install ubuntu 10.04 on an old computer with more than 200 ...
1
vote
0answers
77 views

How to setup custom user write permissions

I've searched Ask Ubuntu's stack, referenced the documentation for FilePermissions and reviewed the User Management documentation on how I can create custom user settings that would write only NEW ...
4
votes
0answers
1k views

What is the “Light Display Manager” user account? [closed]

I installed Ubuntu 13.10 and suddenly I see a new user account to log in to (besides mine), called "Light display manager". Could someone explain why this account appears?
-2
votes
1answer
56 views

Data structure altered in user login

What data structure gets altered when a user logs in?
1
vote
1answer
2k views

Invalid User vs. User Not Allowed in ssh log

When looking at the auth.log: From a security perspective, what is the difference between "Invalid User" and "User Not allowed because not listed in "AllowUsers." Examples: Nov 6 10:42:37 ...
2
votes
1answer
568 views

How to access drives that are mounted by other users?

On my PC, I have three user accounts. Suppose I open a drive from the file manager in one account, it gets mounted and can be accessed fine. But when I try to access the same drive from another ...
1
vote
1answer
275 views

Ubuntu errouneously telling me that a username is already taken

I've just installed Ubuntu on my PC, and so far the only user is the one set up through the install process (called master). I'm trying to add a standard user account, but it's not letting me. Every ...
0
votes
1answer
94 views

Standard user password

I'm using Ubuntu 12.04. I was wondering when a standard user is asked for his password, other than on login or lock screen, I am thinking about disabling it completely.
1
vote
2answers
1k views

How to limit user access to selected applications?

I would like to give a user (mom and dad) only access to these 4 applications: Google Chrome Libreoffice Calc and Writer vlcplayer Of course they are locked in the user home directory. And also of ...
0
votes
1answer
118 views

Users not created during installation

I've successfully installed Ubuntu 12.04. On re-booting I was presented with the logon screen and on entering the password for the user, I get an invalid password error. On searching for a solution, ...
0
votes
0answers
24 views

How to create user with sudo privileges from shell script? [duplicate]

I am writing a shell script that will create a user that I will use for deployments. I want to add that user to be able to use sudo without a password. How can I create this user from a shell script ...
1
vote
2answers
435 views

Run program with group execution permission

I want to run program with execution permissions set to group. Unfortunately bash says "Permission denided". How can I run program as user different that root without giving ownership to this user? ...
0
votes
1answer
1k views

How to become administrator user?

I'm new to this ubuntu 13.04 so in terminal i allways need to start my xampp as a root so please help me i wanna convert my current account as an administrator(root) user.
0
votes
2answers
471 views

Can't paste items into directory if it is made by another user

I can't add documents to directories made by other users of my samba file server. Say I'm user1, and there is another person user2. If user2 makes a folder, and I (user1) try to add something to it, ...
1
vote
2answers
140 views

What happens if I manually change the USER environment variable

After running env in the terminal to check if some of my other variables were persistant across settings I noticed the USER=xxx environment variable. I've had to reinstall Ubuntu before after fooling ...
3
votes
2answers
234 views

Prevent user from viewing and editing /var/www folders

I need to be able to restrict a secondary user that I'm creating from even viewing /var/www as it contains some sensitive information in its PHP files. Currently, the user is able to view the files ...
6
votes
4answers
904 views

Why there are many guest accounts on my system?

After I saw this answer, I realized that there are many guest accounts on my system: grep guest /etc/passwd guest-jzXeRx:x:117:127:Guest,,,:/tmp/guest-jzXeRx:/bin/false ...
1
vote
0answers
21 views

Set logon hours for user accounts [duplicate]

I want to stop a user account from logging in after a specified time. I know how to do this on Windows, but I can't seem to find an a way to do this on Linux.