Questions tagged [multiuser]

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Categorizing Debian Linux VPS

I like to Categorize or Divide one Debian VPS for different Tasks and Testing. For Example two Apache Web Servers with no any connection between both. Something like installing apache2 web server only ...
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1 vote
0 answers
29 views

systemd resource control -- all users/root

I'm using Debian Bullseye with systemd 247. I have more than a hundred of users and I would like to enforce some limits using cgroups. I use set-property, which works as expected, for example for the ...
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-8 votes
2 answers
62 views

How Does Unix Interpret $? [closed]

[orca@orcacomputers public_html]$ adduser Jé$$è+rèè adduser: invalid user name 'Jé28956è+rèè' I am unable to use $ when adding users in CentOS7. Karen goes "WHY THE HELL WOULD YOU DO THAT!?&...
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1 vote
0 answers
97 views

PulseAudio ignoring seat assignment when plugging in USB audio device

I'm trying to create a multiseat setup for two seats, with a monitor, keyboard, mouse, and USB soundcard for each seat. With my primary user logged in, I created a second seat with its own monitor, ...
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2 votes
2 answers
225 views

How do I keep track of when each user is actively using the GUI on Ubuntu?

I have a different user for each of my own work areas on my system. This is to keep bookmarks, files and other defaults separate. Several "users" are generally logged in at once and I just ...
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  • 23
3 votes
1 answer
233 views

mount.cifs not supporting 'multiuser'?

I was going to use the "multiuser" option for mount.cifs, but /var/log/messages reports: kernel:CIFS: unknown mount option multiuser Kernel is 2.6.18-433 mount.cifs is 1.12RH I can't find ...
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  • 33
4 votes
0 answers
101 views

How to run script when switching to specific (already logged in) user

There's plenty of info out there on how to run a script at login (add it to .xprofile etc.), but I'm looking for a solution that will run a script/command not just at login but also every time a ...
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2 votes
0 answers
250 views

Applications suspended when switching user?

I've using 2 user and switch them between works using this command: dm-tool switch-to-user workuser1 and using Ctrl+Alt+F7 /F8 to switch users after logged+ in. But when I switch user, some ...
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  • 8,123
0 votes
1 answer
243 views

USER shown in `ps aux` but not found /etc/passwd

ps aux output (only line of interest shown) USER PID %CPU %MEM VSZ RSS TTY STAT START TIME COMMAND 472 24070 0.0 0.7 1636608 59416 ? Ssl May09 10:53 grafana-server --....
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  • 213
0 votes
2 answers
55 views

Setting up a git server with ssh access

I want to set up a server that hosts git repositories over ssh and https with client certificates. I don't want any snazzy GUI or anything like that (i.e. not Bitbucket, GitLab, etc) I want a bare ...
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3 votes
3 answers
12k views

Is there a GUI to edit/add users and groups

Is there a graphical tool that shows (edits) all users and groups on the system, so that one can avoid editing /etc/passwd and /etc/group directly? GNOME Settings (gnome-control-center) Users view ...
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0 answers
46 views

User environment separation clarification

I need to have multiple environment on my laptop and I want to have them separated in the way that one user action can not break another user environment and so that the users can use different ...
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  • 101
0 votes
1 answer
978 views

runlevel + what is runlevel 5 3 in redhat linux

we know that runlevl of multi user mode is N 5 but on our redhat 7.2 we get the following runlevel 5 3 what is the meaning of this run-level ? how to change this machine to multi user mode ( ...
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0 votes
1 answer
635 views

Rootfs permissions design

I wonder how design permissions in root file system should look for embedded device, with busybox onboard (buildroot environment). Several ordinary users may login to the system using ssh. My ...
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6 votes
1 answer
1k views

Debian 9.9: Can I set up a multi-lingual, multi-user system with locale?

In Debian I have set up multiple users. The OS was installed in English. Next I ran sudo dpkg-reconfigure locale and selected multiple other languages (such as German, Spanish, and French) and ...
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9 votes
3 answers
6k views

How to restrict OpenVPN client's connection to single system user?

I have a multi-user setup (Ubuntu) (simultaneously logged in users on different TTYs). When I connect to NordVPN from one account using nordvpn connect, all users are now connected to the internet ...
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0 votes
1 answer
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How secure is switching TTY sessions vs GNOME "Switch User"?

On my personal laptop I'm using Fedora 29 and have two user accounts for myself; let's call them "personal_admin" and "personal_user". My personal_admin account is strictly for administrative tasks (...
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3 votes
0 answers
258 views

Sound on multi-seat system? [closed]

I have set up a multi seat system, distribution of input devices and displays is working. Now I want to assign Audio devices to the users. Audio is supposed to be played over HDMI, so the displays ...
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0 answers
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Is there a recommended way to access files owned by a non-user UID?

Suppose a multiboot computer on which two GNU/Linux distributions are installed, each with its own user(s). Say those users don't share the same UID over the two systems. Now one needs to access the ...
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9 votes
4 answers
4k views

How does Linux identify users?

I mean, if two users have the same name, how does the system know that they're actually different users when it enforces file permissions? This doubt came to my mind while I was considering to rename ...
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0 votes
0 answers
39 views

Where are you supposed to put user-specific programs? [duplicate]

Say I'm a non-admin user who wants to put an executable somewhere in his path so that he can run it like a regular program. What is the "proper" accepted location for that path? is it ~/bin? ~/.local/...
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  • 2,903
0 votes
1 answer
1k views

Giving access to user-installed python distribution to another linux user

(I'm not sure exactly what SE site my question belongs, I hesitated between stackoverflow, serverfault and superuser. Feel free to give suggestions about this in the comments.) Here is my problem: I ...
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  • 229
0 votes
1 answer
467 views

Running two git commands in parallel

What happens if two git pull command are run simultaneously in the same directory?
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  • 2,036
1 vote
3 answers
44k views

How to create user and password in one script for 100+ users

I have written a script for adding and setting password for 100+ users. Eg: for setting password of the user I want to set in "user+123" format for all the users I.e user will change according to the ...
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  • 51
1 vote
0 answers
57 views

Limit a process or users physical memory share

I have a system running many processes on behalf of other users. Virtual memory space with 64bit operating systems is less of a concern, but my users will still often use up all the physical memory ...
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0 votes
1 answer
316 views

Is there a limit to # of users connected to a screen

When using screen -x NAME is there a max number of connections to a single screen?
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  • 103
1 vote
1 answer
171 views

Who suspends my programs when I switch to another X session?

I always thought that on Linux all non-root users get the same treatment and always run in parallel, the kernel does not care whose X session is currently active. But now there seems to be some kind ...
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2 votes
1 answer
1k views

Multiuser Homebrew privileges

I have two users on my Mac. Both are me, but one is work mode, the other is non-work mode. I have an ongoing issue with installing via homebrew. $ brew install x Error: Can't create update lock in /...
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  • 355
1 vote
1 answer
132 views

Rsnapshot multiuser

I have setup a server. In this server I have made several users and those people are logging in on a regular basis. I want to offer everyone to setup their own rsnapshot, so that they can take ...
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  • 1,640
0 votes
3 answers
156 views

Shared, read-write, photo directory tree, for normal users

I.e. what I want is the Linux equivalent of Windows Public/Pictures. The problem is that Linux file manager Nautilus doesn't apply default ACLs when you move a file into a folder/directory (nor good ...
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  • 44.5k
3 votes
1 answer
2k views

OOM-kill a process from user with highest memory consumption?

I have a multi-user system, where active users should get a fair share of the available memory. Can I set up Linux to kill a process of the user with the highest total memory consumption? This will ...
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  • 231
0 votes
1 answer
2k views

Change user passwd with UID

Is it possible to change a user's password by UID? [root@CentOS7 ~]# id usera uid=1000(usera) gid=1000(usera) groups=1000(usera),10(wheel) [root@CentOS7 ~]# man passwd [root@CentOS7 ~]# passwd 1000 ...
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  • 161
2 votes
3 answers
71 views

Users withouth password (at least for login)

I have a desktop pc with 3 users on it. (Linux Mint 17 Rafaela) These 3 users are mine, I use this configuration to isolate my work files and settings from the university files and my personal stuff. ...
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-1 votes
2 answers
2k views

Is MacOS (OSX) a multi-user-operating-system?

We had to set up a MacOS (OSX) for testing iPhone app-development, but it was really awful to realize that mouse speed and input language, or applications that run as services (teamviewer) can be ...
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  • 988
4 votes
0 answers
3k views

Two users with the same 'home' folder but different '.profiles'

I would like to have at least two users signing in the same home folder, so them need to have full access to this folder, but with different 'profile' behavior. host-foo: user1 : /home/foo-folder -&...
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  • 1,119
3 votes
1 answer
8k views

Linux/Unix username length limit

Would it be difficult to increase the limit or would it just be a one-place change? I have a system that could really elegantly make use of the Unix multiuser model for process isolation but I'd need ...
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  • 26.3k
2 votes
1 answer
722 views

Can multiple users issue commands simultaneously using tmate with separate cursors in the same session?

I've just installed tmate and tmate-slave on a VM and am wondering if when more than one user is part of the session, can tmate allow both users to work in synchronous mode, meaning each has their own ...
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  • 241
2 votes
1 answer
742 views

Auto-start multiple background user sessions in Linux Mint

I could use some help with what I think is a basic request on the newest edition of Linux Mint (which I think would also be applicable to Ubuntu). I have a home system with 3GB of RAM and accounts ...
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5 votes
2 answers
21k views

How to create permanent aliases on Unix-like systems?

I am looking for a simple way to create a permanent alias for all users. So ~/.bashrc or ~/.bash_profile is not an option. Hasn't anybody created a program for this? I think it should be a very ...
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  • 153
-1 votes
2 answers
1k views

Linux for use in a cyber café? [closed]

My friend owns a cyber café and is facing lot of problem with various Windows operating systems. I thought about using Linux Mint or an Ubuntu flavor for the cyber café. I've seen Linux Mint's user ...
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29 votes
3 answers
47k views

Sharing a terminal with multiple users (with screen or otherwise)

I am setting up a server where there are multiple developers working on multiple applications. I have figured out how to give certain developers shared access to the necessary application directories ...
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  • 2,196
2 votes
0 answers
469 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 ...
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8 votes
1 answer
332 views

Can swap be encrypted per user?

The problem arises for a multiuser computer with encrypted swap, as to how to allow each user to hibernate and resume from hibernation without compromising the security of the other users. I'm ...
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11 votes
8 answers
13k views

Is there a multi-user webdav server available for linux?

I'm looking to completely decommission my SMBA service and replace it with a WebDav service. All the google searches so far have pointed me to using Apache / Webdav. This is close to what I need but ...
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2 votes
0 answers
255 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 % of ...
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1 vote
0 answers
1k views

How can I hide a command line from (e.g.) top & htop? [duplicate]

I know that both support specifying the username, which can be forced using an alias in root-owned ~/.bashrc, but one can temporarily disable the alias by prepending the command with \, so what are ...
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9 votes
2 answers
29k views

Making ruby available to all users

I intend to use Ruby when programming my Raspberry Pi which is running the Debian based Occidentals. Via SSH, I executed: curl -L https://get.rvm.io | bash -s stable --ruby which downloaded the ruby ...
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4 votes
2 answers
7k views

Mate desktop breaks with no panels and tens of caja windows on user switching?

I'm using Sabayon GNU/Linux with Mate-Desktop. I have my computer set up for multiple users so my girlfriend and the kids can use it too. ~ $ uname -a Linux 3.9.0-sabayon #1 SMP Thu Jun 27 07:53:45 ...
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  • 2,198
4 votes
2 answers
229 views

Fully separate two accounts without installing separate operating systems?

Our class is finally installing Mint Linux on our machines. The problem is our teacher is scared that we'll play war games against the two classes that use the computers. His solution is to install ...
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  • 499
5 votes
2 answers
147 views

Is it a good practice to have different users for different contexts?

I'm a software developer and I have a new laptop with Ubuntu. I plan to set up this laptop as a development workstation where I'll do my professional work (for my company) and also I'll develop some ...
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