Questions tagged [login]

The process of logging in: from the login prompt, through user authentication, to session startup.

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Ubuntu 14.04 - Gnome - No Login - Black screen and forcibly switched out from console terminal

I'll try to explain in detail cause this problem arose after trying to solve another problem: My laptop has Ubuntu 14.04 (GRUB dual boot with windows 10, single SSD with 3 partitions) and I got no ...
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Permission Denied after power failure

I have a single RHEL server that is not allowing users SSH access, but can access the front end web server via LDAP. We did have a power outage last week and the servers were without power for a few ...
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Kali GUI works when reboot but not when startup

Okay so this is driving me crazy. I need help. I have a Kali linux machine set up with VirtualBox which has been working fine until two days ago. Then, it started doing a super weird thing when I log ...
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Maxmium subuid (subordinate user id)

The default SUB_UID_MAX defined in login.defs(5) man page is 600100000. With this limit you can create 9156 users with 65536 subuids each. It is possible to raise this limit - but is there maximum?
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Empty login screen with two monitors (lightdm)

I'm using Kali Linux 2020.4 with xfce4=4.16 and lightdm=1.26.0-7. I have two monitors setup: HDMI 1920x1080 (shows up as 2nd, HDMI1 in xrandr) and VGA 1366x768 (shows up as 1st, DP1 in xrandr), using ...
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How to check if unix account has been created with “--disabled-login” and “---disabled-password”

In Linux distributions like RedHat you can create a user with options --disabled-login and ---disabled-password (see man page for command adduser link). I wonder if it is possible to check for an ...
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Circular reference in bash profile. How to sign in? [duplicate]

I was editing my .bash_profile and .bash_login, and I accidentally added a circular reference so that two files were including each other. After closing the session and trying to sign in again, the ...
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Accounts with no password - are these capable to be login?

When you install software on linux often users and groups get automatically created. I am wondering if during this user creation a "default" or "random" password will be set and if ...
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Does /usr/sbin/nologin have any side effects?

Background: We have a policy in the company to deactivate the login possibility as much as possible, which is understandable. I am just wondering if there are any other side effects if you specify /...
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pam_tally2 fails after password change

I am running Debian buster on several PCs. I used the pam_tally2 module to add some security to the systems. I tested on ssh and desktop login, and it worked very well. So, for an extra layer of ...
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Prevent user login before mount is complete

All our workstations are Ubuntu 18. The /home/ is a network mount (nas). This is how it looks in /etc/fstab: nas:/mnt/export/home /home nfs nfsvers=3,_netdev 0 0 The problem is: ...
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sudo commands not working, but login works

I am running feren os, january release, and I recently tried to enable the fingerprint sensor on my hp probook 440 g2. I edited /etc/pam.d/common-auth by adding auth [success=2 default=ignore] ...
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wpa_supplicant at login issue

I could not find on the internet a suitable information that helps me to solve the problem that i am explaining next. First of all i use artixlinux-runit and dwm as window manager. Every time i start ...
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lxQt and Lubuntu session options missing from login screen, after cloning user. How do get it back?

I found a script in this community that is supposed to clone users and it works, indeed. Although, after making logoff, I'm left with only the option of making login with Openbox (which has a loop bug)...
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Fingerprintd “swipe too short” brakes login

I'm running fprintd (v 0.9.0-1) lib to have my fingerprint auth. The version is fixed since it's the only compatible with my hardware on Archlinux at least. Usually login works fine but when the swipe ...
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kali user password not saved after reboot

I am running Kali on a persistent USB (in a nvme enclosure) and it works fine. But when i do "passwd aUserName" log out and back in, the new password is used like it should. However when i ...
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How do I know what happens immediately after I provide my user name and password in Linux?

I'm using Linux on embedded platform with ARM processor and FPGA. There's an Arch Linux Arm distro in rootfs, but probably this doesn't matter. When I log in, I type in the username and password, and ...
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Automated login to multiple user accounts

I have multiple test user accounts on a Linux box. These accounts have different (restricted) shells, with unique login scripts and crontabs configured. When I power up and log into my system using ...
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How to securely store credentials needed in a profile.d script?

Disclaimer: I'm working on Ubuntu 20.04, but I assume my question is unrelated to a specific Linux distribution. I've searched the Internet for quite some time and found lots of other similar ...
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lightdm: gkr-pam: no password is available for user - how to solve?

I know that this was also mentioned in Password for user is not asked anymore to a certain extent, however, the issue discussed there does not seem to unequivocally connected to this one. Changing ...
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Remove Pop!_OS login password

I know this has been asked before, but I couldnt find a solution that fits my needs. I am the only user on my PC (running Pop!_OS 20.10). Nobody has access to my computer because I live alone. This is ...
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Why does computer “forget” root password sometimes?

There are a few times where my computer will "forget" my root password. This effects my ability to use sudo as well using the login manager (ie. locking the computer and trying the password ...
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What counts as a “login” in GNU/Linux and how to set a proper maxsyslogins / maxlogins in limits.conf to limit simultaneous logins to e.g. 1?

When I run w or users && id && who -a I see that there are over 5 logins with my username: one for tty7 and the rest pts/0 pts/1 etc. Those pts are pseudo terminals (open consoles or /...
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Edit GDM login screen (not background)

I have fingerprint authentication enabled and password disabled. Still the login screen shows the rectangle where you write the password. I doesn't affect my login since it is disabled but I wish to ...
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Pending shutdown stops my ssh login

I have an Ubuntu server in AWS EC2, and created a service to shut down automatically after three hours, in case I forgot to. I added a shutdown -h 180 command to a service that is started on boot. ...
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Unlock ssh key on login

When in the graphical environment, seahorse unlocks my ssh key (locked with a passphrase) so I can ssh to another host without entering a passphrase. But when on the command line, I am still asked for ...
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36 views

sshfs mount on login with systemd and unmount on last logout

I'd like to mount (with sshfs) my documents directory - as unprivileged user - on first login and unmount it on last logout (not every logout, of course). I have key-based authentication working ...
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what makes the different behaviour between zsh login init and manually sourcing profile script?

I want to add a function to precmd_functions at ZSH login and avoid duplication. Since /etc/zprofile source the /etc/profile, which then source all the *.sh script under /etc/profile.d/, my solution ...
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Prevent ``/etc/profile.d`` from being sourced on login

I just noticed my environment is behaving erratically because at some point this alias got introduced in /etc/profile.d/vim.sh: $ command -v vim alias vim='__vi_internal_vim_alias' Looking through ...
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When I login to GNOME it take me back to login screen

I am trying to login in GNOME DE on fedora but it stucks me in a login loop , I had browsed very much but i didn't found a solution for me. DE - GNOME Distribution - Fedora
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Improper Xorg behavior after uninstalling lightdm from Debian Buster

My pc is a i686 personal pc running Debian Buster 10.7 with i3 window manager. Couple days back I uninstalled lightdm hopping to use my terminal tty1 as login manager and perform startx i3 from there ...
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Coredump during login (before password)

After rebooting my laptop, I am asked for a login archlinux login:, and I can fill a username, but then the screen simply redraws, instead of asking for a password. Booting from a live USB and using ...
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Debian stuck on login screen loop after homebrew install

I installed homebrew today on Debian buster. After a reboot, it's not going past the initial login screen even with correct password. But I am able to log onto console. I think I messed up the ./...
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root can log in over rdp but not locally from the box itself

I have just recently installed the Buster backport on an old VAIO box. It is the only OS on the machine. I also installed xrdp and it initially worked fine a couple of times with both root and non-...
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Cannot login to kali through virtual box

When login in to kali-linux even after entring correct username and password its not login in rather that it shows the same login screen again. Why is this happening and how to login?
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KDE black screen after login, problem with Qt libraries

I am using a clean OpenSUSE Leap 15.2 installation with KDE. I installed a list of packages for an application I am developing which require a number of Qt5 libraries, and for it to work, I have to ...
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F33 Emergancy mode - root login is locked. Screan says to press enter to continue, but brings back to the same screen

After a rain storm, some outside wires got wet on the outside of my house and blew the breaker my desktop is on. When I figured out the problem and powered back up, Fedora 33 wouldn't load. It ...
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Is it possible to make a user that can only log in using su?

I want to make a user that can only be accessed using su. I can see in the login.conf man page there are different authentication types, and one of the example types is su, but I am unable to discover ...
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Very low frame rate during the login screen of Ubuntu LTS 20.01.1

I installed Ubuntu Dekstop 20.04.1 LTS for x64 systems on a old HP Proliant ML110 G5. It works quite well since it recognizes the tape drive and the embedded SATA raid controller, but during the login ...
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After login gray screen is showing with working mouse cursor

I am facing a problem with Kali Linux. I had used these commands apt-get update & & apt-get upgrade to update the system. Before I ran these commands, I was facing another issue in which my ...
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I get taken back to the xeondm login screen after trying to login on OpenBSD

I am trying to start MWM by default. I edited the $HOME/.xsession script to make OpenBSD boot with MWM by default instead of FVWM, After I rebooted OpenBSD. I tried to login with xenodm, and all it ...
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Create own /bin/login program

I created a simple program using python-pam module that simply reads login, password and verifies them: #!/usr/bin/env python3 import subprocess import getpass import pam p = pam.pam() while True: ...
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38 views

starting into program instead into login

I have a Proxmox 6.2 HV (based on Debian10) in my chamber. I would like to see BPYTOP instead of the login-prompt on my direclty to the server attached monitor. If bpytop is closed, the login-prompt ...
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After certain number of logins, CentOS server hangs, closes all connections

So I normally like to maintain a lot of connections to the server, but after a server reboot, at about the eighth concurrent session, the login fails (times out), and every session to the server ...
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Siemens ID mouse and fprintd

does anyone have an idea if Siemens ID mouse with fingerprint reader can be used under linux. The driver is there - "The driver is included in all kernels from 2.6.11 upwards." mouse is ...
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How to solve “The login keyring did not get unlocked when you logged into your computer” after changing password on Debian/KDE?

When trying to run a backup with Vorta on Debian 10/KDE I'm prompted to enter my password "Enter password to unlock your login keyring" but after entering my current password it displays: ...
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Troubleshooting inability to log in remotely or via SSH (CentOS)

A server under my control recently was recovered after suffering hardware failure. We seem to have successfully retained all data, however no one has been able to actually sign in to the server ...
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CentOS7 Server Access

Our former SysAdmin left. Unfortunately, he changed the main password to one of our linux servers and did not leave that with us. We've reached out with no response. Are there any other options ...
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Getting rid of “stdin: is not a tty” with remote command execution through ssh

The problem is with a Debian Jessie server. I run a remote command with ssh like the following example. #! /bin/bash ssh root@srv01 << 'STOP_SERVER' touch /tmp/testFile STOP_SERVER This ...
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Allow LDAP login for selected users only on SLES 12 SP 5

I have configured a LDAP Client on SLES 12 SP5. Now I want to allow only a selected group of users to login to the system. This group comprises 2 or 3 users. For all other users login must be ...

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