Anything related with user accounts and user management on Unix-like systems.

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6
votes
1answer
145 views

When running 'su - username', pam_group doesn't add additional groups from /etc/security/group.conf but sshd login does?

I am having trouble determining why su doesn't behave as the PAM configuration would imply. In short, using su to become another user should load secondary groups according to PAM configuration, but ...
3
votes
1answer
144 views

Ubuntu user disappeared from machine

Unsolved mystery - I was given a coworker's Ubuntu 12.04.1 LTS machine and set up my own (sudo/admin) user on there from the command line. I switched to my user (from his sudo/admin user) and ...
3
votes
1answer
219 views

What are the default openSUSE 13.1 user groups?

I just installed openSUSE 13.1, and I can't even start X on boot. I have to switch to another tty and type startx (after I set suid for xorg). On top of this, I can barely do anything without root ...
2
votes
1answer
83 views

Use current user environment variable in sudoers file

I want some of my users to be able to change their password with sudo command because at the time they log in, they are passwordless (ssh keys connection). My users have no password (and this is ...
2
votes
1answer
120 views

How can I investigate what other users are currently logged in?

Since the last few days I get an error message when I try to shut my laptop down: System policy prevents stopping the system when other users are logged in This error message includes a prompt ...
2
votes
1answer
60 views

SSH'd into a computer, uptime / who / users report 0 users?

I'm ssh'd into a server. Why doesn't the server report it? # uptime 21:54:28 up 13 days, 3:47, 0 users, load average: 1.18, 1.11, 1.13 # users # who I'm not really sure I understand it ...
2
votes
1answer
207 views

gnome “switch user” shortcut or command line

Is it possible to switch user of gnome desktop environment by single command or any shortcut key, in centos 6.0, or Can we create shortcut key? I found "fusa", but still unable to install it.
1
vote
1answer
203 views

Script to see if user has logged off

I have created this program to see if a user is logged on and it checks every minute. if [ "$#" -ne 1 ] then echo "Usage: mon user" exit 1 fi user="$1" until who | grep "^$user " > ...
1
vote
1answer
27 views

Grant rights to create / manage users

Is there a way I can grant a user or a group the permission to add/edit other users without the ability to alter anything else on the system? The idea is to give helpdesk agents the ability to grant ...
1
vote
1answer
128 views

Linux statistics script (Google analytics-like)

We own a few servers, each with about 100 users on it, some with 1 domain, some with a few. I'm looking for a script which runs in the background which can provide information about which users uses ...
1
vote
1answer
216 views

security concern around adding cron user to web application group

I have a permissions issue on my CentOS 5.6 machine with regards to the cron user. On my test/staging environment my cron user (picco-cron) is a member of one group - picco-cron, as below: ...
0
votes
1answer
21 views

Multiple users' access to directory

I'm running Arch Linux. My website's files are in /home/user/www/ directory. Another users also have their website's files in /home/foo/www/ directories. Now if I want to change something on their ...
0
votes
1answer
793 views

Grant FTP access to specific directory

I have setup CentOS on a box on my local network and installed httpd, PHP, Webmin (and UserMin) etc. I opted for ProFTPd and have opened up ports for FTP, Webmin and Apache. I can now access Webmin ...
0
votes
1answer
70 views

How to create user in Linux without attributes in default group?

I know, how create with attributes adduser -n username GROUP, we find in /etc/default/useradd. But in login.defs, we can add something.
3
votes
0answers
867 views

recommended procedure to create a user/group during RPM install

after trying hard to search for RPM best practices guides and finding virtually none, to my surprise, I resort to the community - I need to ensure that some users and groups exist after the ...
3
votes
0answers
251 views

Will a account get locked while logging in FTP mode to a remote server whose password has already expired in UNIX

I have a FTP user id to a remote server, the password for which has expired.The account is getting locked if connection is being made in FTP mode to the server with the old(expired) password. Is ...
2
votes
0answers
42 views

Catch/diagnose user process being killed - Inexplicably logged out automatically

Context: I'm using bash in Mac OSX Yosemite. Problem: I'm executing a (python) script that I expect to use alot of resources and take a few hours to run, redirecting stdout and stderr to a log file. ...
2
votes
0answers
41 views

Is it possible to register “virtual” user/group IDs in a Linux system?

Is there a standardized mechanism in Linux which can be used to tie usernames to user IDs without actually creating a system account that can log in? It would seem something like this is possible, ...
2
votes
0answers
63 views

How to use a separated user with GUI on OpenBSD?

A webbrowser is a GREAT attack vector since people use it to access the "dangerous" internet. Very bad things can come in through to the desktop. So in general for a desktop, we can do the ...
2
votes
0answers
35 views

How to set up networking on a per-user basis?

I would like to set up access to corporate VPN for just my user account on my computer; not for the other accounts and certainly not for the guest user. To achieve this, I presume, I need to ...
2
votes
0answers
98 views

Easiest way to sandbox an user

I'd like to sandbox a user so that they can only read files under /media/shared/somefolder. What's the easiest way to accomplish this? Users/groups? ACL? AppArmor? Some context: Plex Media Server is ...
2
votes
0answers
367 views

Add a user for Postgres on Mac

I've had a very difficult time trying to set up a postgres database. I am using Mac OS X 10.9.2. I am using this tutorial: http://tutorials.jumpstartlab.com/topics/environment/environment.html The ...
2
votes
0answers
4k views

Permission denied for user accessing mount

Using root I can mount another Linux share no problem. root@crunchbang:/mnt# mkdir javalib root@crunchbang:/mnt# mount -t cifs //10.1.3.7/javalib ./javalib -o username=guest Root can read/write to ...
2
votes
0answers
286 views

What user installs a .deb package?

I am experiencing a behavior in the installation of a .deb package that I don't really understand. I have a set of "things" in my computer that I deploy to remote computers using a .deb package. I ...
1
vote
0answers
37 views

Shell Script to change user shell

I am writing a script that would be invoked to change user shell. The basic requirement is that once user gets authenticated (e.g: thorough some web application) the script would be invoked to set the ...
1
vote
0answers
34 views

Linux user ssh connection disabled after execution of setfacl command

I have very little linux administration experience, after searching a lot stuff online, finally I decided that I must hope that someone helps. The problem is, I needed to share an account with a ...
1
vote
0answers
87 views

Stop all processes by a user: children of supervisord are still running

I'm trying to delete a user but it keeps saying that user is currently used by process ID x I tried everything here and here, nothing works, how do I kill all the process by a certain user in order ...
1
vote
0answers
29 views

How does autoconfig/autodiscover work?

I have a server with OpenLDAP/Kerberos authentication with 7 desktops/clients. Manually generating a new user and configuring a new profile (gnome, evolution mail accounts, evolution calendar/tasks ...
1
vote
0answers
20 views

How to create a master user for creating default settings in production programs?

I am interested in creating a master user whose default program settings are inherited by later users, like a template user. I know this used to be done in multiple-user Unix terminal settings such ...
1
vote
0answers
151 views

User Acces restrict to only one folder

I am trying to establsih SFTP User rights at a server to only one folder, following the guidelines here: ...
1
vote
0answers
982 views

Mount cifs using a credentials file

I am trying to mount a folder from my embedded Linux system to a windows 7 computer. I keep getting Permission Denied when I try using a credentials file. When I do it from command line as root it ...
1
vote
0answers
56 views

Cannot login to svn server

I have a SVN server on my Raspberry Pi (Raspbian). It has a project under the directory /welcome, I want to add users to it. My users would be admin with password admin and user2 with password ...
1
vote
0answers
32 views

Changing pasword for debian live

I have a hooks file, in the hooks folder, that looks like this: echo "root:rootpw" | chpasswd echo "user:userpw" | chpasswd After boot, Debian asks for user and password. When I type user along ...
1
vote
0answers
33 views

Change the HOME of a user during a graphical session

The other day I had the idea to create display manager independent guest session. My basic idea was to change the login shell to a custom program that creates a temporary home on the fly (f.e. ...
1
vote
0answers
29 views

How to block the user for a certain amount of time

Suppose, I am working in X environment, and I want to have an obligatory periodic rest. Is it possible to setup a root cron job, that will block my user for 5 minutes every 45 minutes? I am using ...
1
vote
0answers
65 views

Tracking user CPU hours

I am looking to work out which users on our system are using the most CPU resources. to check this? So I would like to find out: CPU-hours this month, (and % of total) CPU hours this week, (and % ...
1
vote
0answers
242 views

How is a username determined and can I hide the domain component in a winbind username?

Someone asked a question on Server Fault about a problem which I'm also having but no one has answered it so I'm posing a slightly different question to try and figure it out myself. I've configured ...
1
vote
0answers
78 views

How come the postfix user can't even read its own files?

I have a Postfix configuration file. Let's assume it's named /etc/postfix/somefile.cf. I have run the following command as root to change ownership of the file to the postfix (105) user: ...
1
vote
0answers
477 views

How to switch user if the Screen is Lock

Sometime this happen that when I had to do something on server I find that the screen is lock and I dont know the password of that user to unlock it and switch the user. So i need to know that How to ...
0
votes
0answers
25 views

When does the “/mnt/username_home_dir” appear?

The problem I have to solve requires the access to the /mnt/username_home_dir directory, but there is no such directory present, despite me creating a user and auto-creation of his /home/username ...
0
votes
0answers
12 views

What's a good setup for a web server with limited developer accounts?

If possible, I want to avoid giving root access to developers. What would be the best directory/user/permission setup to make sure they can access the web server directories, but nothing else? Should ...
0
votes
0answers
62 views

Create a user who cannot explore system directories

I have a Centos 6.5 machine. I add users with useradd username. These users cannot browse other users directory, but they can browse all the OS filesystem starting from / and see configuration, ...
0
votes
0answers
78 views

Vagrant user permissions

What I like about vagrant is that all the permissions work out of the box when provisioned with Puppet. However I can't get the same permissions to work on my digitalocean droplet. On my vagrant box, ...
0
votes
0answers
48 views

User that can be accessed only from other user account

I have a number of users (23) but I want to create another user that can be accessed only from one of the user account to do some specific task. How can I do it. And obviously this user cannot be ...
0
votes
0answers
151 views

can't find my user name in /etc/passwd nor name of my initial group in /etc/group

Here is what i get: [zehu@danville ~]$ groups apl vboxusers [zehu@danville ~]$ [zehu@danville ~]$ grep zehu /etc/passwd [zehu@danville ~]$ [zehu@danville ~]$ grep apl /etc/group [zehu@danville ...
0
votes
0answers
204 views

PHP running under “www-data” user

In PHP if I run get_curret_user() it prints www-data. This makes it impossible for me to use this function in order to test a FTP password from input. Is there any way to make PHP run under the ...
0
votes
0answers
52 views

“Suggest” to RPM install the UID of a user that is going to be created?

In an RPM it's possible to create a system account; is it possible to suggest the UID to use? For example; during the normal install say that the UID in use was going to be 100; but I want it to use ...
0
votes
0answers
151 views

Creating a Safe Web Server

Web server hosts multiple websites. Multiple users update each website. User home directory /home/user1 /home/user2 Web directory /var/www/site1 /var/www/site2 Each user uses SFTP to upload ...
0
votes
0answers
242 views

Buildroot: Unknown own user

I crated an image with buildroot. Everything went smooth. When I untarred the bz2 image in vmware and tried to boot into it then I observed an issue, in which, system is unable to recognize any user, ...
-2
votes
0answers
45 views

Longest/shortest Username in linux

I'm trying to configure a script that displays all the users on the computer, the groups they belong to, and the shortest/longest usernames. I have the first part set up with the users and groups but ...