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

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0
votes
1answer
31 views

Unix permissions - what EXACTLY is the “owner group” (note: singular)?

I'm programming a Fuse file-system. So far so normal, didn't encounter unsolvable problems (except performance). However, I read the following articles: http://linuxcommand.org/lts0070.php ...
0
votes
0answers
13 views

How to prevent user from closing applicanions

i would like to see your thoughts on this problem: i have a computer class with 5 machines, teachers will need to play audio/video files, run presentations, surf the web, have access to home directory ...
2
votes
1answer
24 views

user not recognized from the recovery mode

I wanted to add my user account to another group so I booted into recovery mode and chosen the Drop to root shell option but when i type in the shell usermod -a -G aGroup myUsername it tells me that ...
85
votes
18answers
21k views

Why is it bad to login as root?

I've often come across posts on forums or other websites where you see people joking in such a manner about running/logging in as root as if it's something awful and everyone ought to know about it. ...
0
votes
0answers
6 views

give access right to a super user regarding other users directory when using ftp

when using ftp, and connecting with a ftp account, corresponding to a user account, it shows only the files for the connected user directory. I want to give to a specific user, the right to explore ...
0
votes
1answer
15 views

xubuntu 14.04 user file access

Running Xubuntu 14.04. I have several user accounts set up as "desktop users", but when they are logged in, they are unable to open ANY files in their HOME folder. Error messages vary, but typically ...
18
votes
6answers
46k views

Move home folder to second drive

I have 2 HDD drives in my computer. At the moment second drive is mounted as /media/storage. How can I move my user data from /home to /media/storage/home? Can I just move the data over there and ...
0
votes
0answers
17 views

Permission of files which are in a folder doesn't change from root

I had a problem with installing Virtualenv, Python3.4 and Django 1.7, so I entered as root and became successful to install them. but know I am being encountered with permission limitations. all of my ...
0
votes
3answers
47 views

Can I somehow pause all processes of an user logged in in background?

I have mainly two accounts on my 14.10 laptop: Mine (admin) and my brother's (restricted). Now when my brother is logged in and runs some applications like firefox with flash player, it consumes ...
0
votes
0answers
13 views

How to configure /va/lib/AccountsService/users/?

I know files in /va/lib/AccountsService/users/ are related to users configuration.But i can't find any documents about how to modify these configuration files. So is there any document? I even ...
0
votes
0answers
17 views

User doesn't get gksu dialog so apps just fail

I am using Ubuntu with Xfce on Android in a chroot (via Linux Deploy). When I try to run some software that requires admin/root access the GUI does not prompt me for the admin password like it does ...
6
votes
4answers
24k views

How can I find out my user name?

How do I know my username? I've installed Ubuntu, but I don't know my username, only my password. I can't access my laptop and it can't be opened.
0
votes
1answer
47 views

Switch user on live session gives “no passwd entry”

I cannot access my Ubuntu-system anymore (see this question). Now I'm booting my computer with a bootable-Ubuntu-usb-stick, this works and I try to access my files to keep my files on the hard drive ...
6
votes
4answers
891 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 ...
8
votes
4answers
593 views

I need some data on the distribution of Ubuntu users

I'm a research scholar in JNU (Jawaharlal Nehru University, New Delhi). Now I'm doing a paper in International Political Economy of Windows and Ubuntu. These are two similar products that use ...
0
votes
0answers
9 views

what are the recommended “users and groups” settings for groups to be checked

As I have created new users I have noticed they have different groups selected. For example one user has its own name selected the other does not. What groups should be selected by default and which ...
2
votes
1answer
6k views

Users and Groups Administration tool - What do the options in User Privileges tab of Advanced Settings do?

How does the "User Privileges" tab in the Advanced Settings of Users and Groups GUI work? I mean this window: Does it simply add or remove the user from certain groups, or is there something else? ...
0
votes
0answers
19 views

Unable to execute tdist command in ubuntu

Unable to execute tdist and tdisco command in tconcoord file. It is showing this command does not exist. I tried to install it by using sudo apt-get install, but it is showing it doesn’t contain in ...
-1
votes
0answers
13 views

How could hide a user from log in screen? /etc/lightdm/user.conf doesn't work!

I created a user from this command useradd -M -N -g sambashare share And i want to hide it from log in screen, and i followed How do I hide a particular user from the LightDM login screen?. ...
0
votes
0answers
28 views

How to recover a deleted user

I recently installed the last version of Ubuntu (14.04). I had 3 independent disks: /dev/sda1 mounted on / /dev/sdc1 mounted on /data /dev/sdb5 mounted on /home I installed the last Ubuntu version ...
0
votes
2answers
3k views

Upgrade to 13.04, user picture shows up on lightdm. Can I change it?

So, I recently upgraded my Xubuntu to 13.04, and afterwards I noticed that there is now a picture of me on the lightdm login screen. I have no idea where this picture came from, I don't remember it ...
2
votes
1answer
2k views

Allow chown command to www-data user

Is there a way to allow chown command to be run by www-data but limiting it in a way that the files owner can be changed only to uids greator than that of www-data user? I already researched a lot ...
0
votes
1answer
26 views

How to get all user details

How can I get groups, permissions, shell, etc from a desired user from command line? There is a tool to obtain all basic data for each user?
0
votes
2answers
540 views

What does the automatic login?

Under "User Accounts", there's a toggle option labeled Automatic Login: What does that do if it's tabbed to "on"? I haven't tried the function yet and I'd like advice from an expert.
1
vote
2answers
34 views

How to set permisions for groups?

I have a problem with Ubuntu server version. I need to set access permissions for groups (and user in group) (Sorry for my English) eg.: I have 3 group. developers managers administrators And a ...
1
vote
1answer
51 views

How to launch chromium with specific user

The chromium browser allows to have multiple users with individual bookmarks, extension etc. within chromium. Is it possible to launch chromium with parameters which specify which user to be loaded. ...
3
votes
2answers
8k views

How can I prevent users accessing anything but their own home directory?

How can I prevent users accessing anything but their own home directory? For example, I have a NTFS partition mounted under /media/ntfs, so if the user logs in through ssh he can reach this ...
6
votes
1answer
19k views

Granting a sftp user access to a /var/www directory

I've created a user and made his home directory /var/www/mysite/ftpdir I've also added a Match user entry for this user in sshd_config with a ChrootDirectory that points to /var/www/mysite I've ...
2
votes
1answer
121 views

Ubuntu no longer prompts for root privilege (but doesn't give it either)

So on 14.04 LTS I was playing around with some settings to solve another problem, and somehow managed to screw things up and now Ubuntu no longer asks for root privileges before trying to perform ...
3
votes
1answer
55 views

What is the normal reason for changing user ID?

A little discussions alike this what is a fame of Askubuntu hints me to ask for community opinion due to this is a "multipolar" theme and adequate answer written normal English at the normal user ...
0
votes
1answer
65 views

Prevent standard users from seeing and running some apps

How to control just some apps to be available on other accounts, Not all of them?
0
votes
2answers
44 views

How do you create a shell script?

I need to create a shell script that will create a user then put it into a group. How do I do it?
0
votes
0answers
39 views

adding and deleting users problem

I have a problem with users this problem is that I can't add or delete them. When I try to add or delete them I have those logs: I searched it on the internet and I found that these problems are ...
-1
votes
1answer
31 views

Do something in terminal that involve changing user [closed]

I want do something in terminal that involve changing user like: sudo su do something do something exit do something do something sudo su do something do something exit I've tried to do something ...
0
votes
1answer
31 views

How do I set-up user quotas limits on the file system?

I need to set-up a local file system limit of 2 - 5 GB per user. How do i configure that limit?
0
votes
1answer
30 views

How do i set password expiry for all users?

I need to set the password expiry time for ALL users at once with the terminal, or at least by group. Is there any way to do this? Without using suspicious or sketchy software/sites? Thankyou!
0
votes
2answers
31 views

Directly logged into Guest account

I have just one user in Ubuntu and that is guest and cannot do anything else. I installed Ubuntu and it directly logged me into a guest account. How do I create new accounts without proper access?
0
votes
0answers
18 views

Can't switch users anymore

I'm running Ubuntu 14.04 LTS and update regularly. I have 3 users on the system. I can log in to one user, but no longer can switch to another user without getting black screen and apparent crash. ...
0
votes
0answers
26 views

Give read/write rights for newly created files inside folder for users in group

I have created a user named ftpuser and a folder for him /home/ftpuser/files I added an existing user 'auser' to 'ftpuser' group sudo usermod -a -G ftpuser auser Last, I gave group ...
14
votes
1answer
21k views

Default groups for user in Ubuntu?

Installed HP Linux Imaging and Printing by using install script and something crashed. Now I'm only member of my own group and lp. Which are the default groups for users in for example Ubuntu 12.10? ...
2
votes
0answers
25 views

Samba 100 Users

I teach a class and would like to give 150 students their own folder and have each student's folder secure and accessible by only the student and myself. Is it possible to set up a Samba share with a ...
0
votes
1answer
59 views

Can't get to desktop after login

I need some help: I shut down my laptop (Ubuntu 14.04), forgetting I was installing software, and now I can't get to unity after logging in. I just see my background picture. Logging in a guest ...
1
vote
1answer
34 views

How to find the running network services and the port and user

I want to find a list of all network services running on my system, including details of the port and services and the users. I know that I need to use netstat, ps and fuser. but I don't know how to ...
-2
votes
2answers
37 views

I'm a compete linux noob [closed]

Where is the best place to start learning/studying about Ubuntu and What topic(s) should I focus on first ?
0
votes
0answers
18 views

Ubuntu User Log In

I am not very experienced with Ubuntu and now i messed up my system :'(. I had several problems and each time i tried to fix one it get worse. First i had problems with MySQL, i had an error 2002. One ...
0
votes
1answer
94 views

Difference between Login in Ubuntu 14.04 tty1 and Initial Login

I have installed Compiz Settings Manager and misconfigured something, its consequence was all things disappeared from window other than background. I found a solution for this issue. Now problem is ...
13
votes
6answers
17k 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 ...
1
vote
1answer
37 views

Can the root user change the owner of a file that he doesn't own?

My web server uses the user www-data to access/change files. This causes permission issues for php file upload etc. for files owned by root (or by any other user). I'd like to use the 755/644 ...
-1
votes
1answer
27 views

I can't create a group for my users how do i do it?

How do i create a group for users i have already created on Ubuntu? I have tried several things but it won't work.
0
votes
1answer
54 views

XAMPP installed as root. How to choose a different user?

I just installed XAMPP onto Ubuntu 14.04. However, it installed itself as root instead of the user I created for this purpose. I assume that this is a BAD IDEA and would like to change this. How can ...