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Questions tagged [login]

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

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1k views

Gain root access without using root's login shell

I bricked the login of my root user by removing zsh while it was still the default shell. Now as a result will login in fail, since on login will it try to use /bin/zsh(1), which is missing. Only one ...
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702 views

After recent update of Arch linux, GDM login screen is missing text

This is an Arch install with Cinnamon DE and GDM. I am still able to login at the screen but the text on the screen is mostly missing. What I mean is that there are two buttons that appear and the ...
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1k views

Errors after offline Kali installation on Dell XPS 13

Trying to get Kali Linux Rolling 2016.1 installed on an out-of-the-box brand new Dell XPS 13 Developer Edition (meaning it came with Ubuntu 14.04 LTS installed on it). I'm installing it with no ...
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1k views

How could a user log in via tty

I rented this cloud server, and it is kind of attacked recently. I can see a suspicious user logged in via tty. leetom@S152:~$ last -x ayn1 ayn1 tty1 Wed Oct 28 18:59 - ...
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1k views

Arch Linux problem: What is causing the black screen problem when logging into Cinnamon?

I first posted this in February, but I'm making the problem clearer because I had no responses in 6 months, and the problem still exists. My Arch boots to the terminal. I login as root. I start ...
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237 views

Fedora 28: Generate kerberos ticket on login

I'm trying to generate kerberos ticket when I login on my computer(Fedora 28). I want to achieve it using PAM. my /etc/pam.d/system-auth looks like this: auth required ...
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312 views

openSSH login slow for one user but not others

I'm running a server at home with Ubuntu 14.04. I have two users on the machine, say user1 and user2, each able to ssh into the box. While user1 logs in very quickly, user2 takes about 20 seconds to ...
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5k views

Failed to start Crash recovery kernel arming

When trying to login into CentOS 7 either through the Gnome GUI or the login shell, I get this: After a second, I get booted backed to the login shell, or login screen of Gnome. I've tried booting ...
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2k views

“map: vt01 => fb0” - what is that?

At startup of Rasbian on Raspberry PI, when console asks for login I can see the following text: map: vt01 => fb0 What does that mean? How can I disable it? (hide this message, I would only like ...
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216 views

Mint login screen different keyboard layout per user

Is there a possibility to have a different keyboard layout per user login in Mint 17.1?  If so, how? I am using a US keyboard layout; my girlfriend uses a German (DE) keyboard layout (on the same ...
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105 views

Trigger a login by plugging in a USB drive

OS: Linux, Mint. I want to have a system where I can insert a flashdrive into a computer, and using UDEV rules, have the system login a user account. I can do the UDEV part, but what command should I ...
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Autologin question with LightDM & Ubuntu 14.04

I have set up a batch of workstations at a library using DRBL. These workstations are running Ubuntu 14.04. I want these workstations to autologin to a specific user (a different one for each ...
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152 views

No Login on created on tty2 to 6

On my Debian Linux no Login is possible on terminals 2 to 6. Login on 1 works fine, xorg-session with XDM and awesome wm works, too. The Error Message shown on these 5 screens is: systemd-logind[...]...
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57 views

Stopping a systemd service when a user logs in to the GUI

Is it possible to stop a systemd service when a user logs in to a GUI? I'm guessing it would require some sort of custom target, or perhaps use logind? If so, then how can I do this? If that's too ...
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538 views

How to get video mode given by hwinfo when it doesn't work? And how to set login resolution?

I tried to follow the suggestion at this previous post: Use sudo hwinfo --framebuffer as described, choose a video mode you would like to see during boot in console, then add the option vga=nnn to ...
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417 views

Linux mint 18.1 does not boot. Shows error log always ending with end trace

After this login prompt: It should go to the user login menu, but instead it shows this log: Always ending with an end trace line.
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37 views

How can I set different sessions to be used for different users?

Is it possible to write a script that runs at login which will automatically run a custom session for a given user? I would like to have my personal user account login to my normal, entire KDE desktop,...
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453 views

How to local user login(PAM) with MySQL?

The MySQL server has already been configured and can be remotely accessed from the client. The client is debian and has installed 'libpam-mysql'. What additional settings should I set for the local ...
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640 views

Getting number of failed login attempts sins last successful login / CentOS 7

Trying to create a custom login statistical welcome for SSH login session but would like to keep the original message too, which is : Last failed login: Sun Feb 19 03:52:25 CET 2017 from 125.x.x.x ...
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26 views

What configuration is loaded at login after user config?

I’m trying to bootstrap Gentoo Prefix and I’m hitting a snag because Prefix insists that LD_LIBRARY_PATH is unset in a login shell. So I put unset LD_LIBRARY_PATH at the very end of both my ~/....
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634 views

ssh fails with “could not find home directory” (which exists and has permissions) even while a local terminal logs the same user in

I have a bizarre problem where ssh does not find a home directory for some users (that exists), yet the same user can login directly on my machine via a local terminal. Details follow: I maintain a ...
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62 views

Changing the word “password” at login

Wanted to know if there was a way to change the word password here to say passcode? We use a custom application that authenticates users through passcodes and to not confuse users, I wanted to change ...
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592 views

/etc/pam.d configuration

This is an example of the /etc/pam.d/sshd configuration file on a FreeBSD 11.0 freshly-installed system: # # $FreeBSD: releng/11.0/etc/pam.d/sshd 197769 2009-10-05 09:28:54Z des $ # # PAM ...
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134 views

The auto login configuration can't pass the first appeared screen after reboot/shutdown

Because the device is a tablet, I would like to can use it "take away" also without the attached wireless keyboard, that's why, I intend to use the auto login. I would like to resolve if it is ...
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254 views

How to lock keyboard layout on login screen in Gnome

I use Gnome 3.xx desktop manager on openSUSE 42.xx and two keyboard layouts. I would like to lock the keyboard layout on the Gnome login screen, so it is always US layout. Basically, I want logins and ...
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40 views

possible to adjust volume on my laptop up or down without having to log in?

Is there any way to adjust the output volume of my speakers with the physical buttons on the keyboard without having to log in ? If my screen is locked and an annoying song starts to play, I need ...
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3k views

Login/logout loop on Ubuntu 14.04

I am running Ubuntu 14.04 inside VMware workstation 11.1. I testing changing the color depth and now I am hitting a login/logout loop. When the login screen comes up I select my account, type in the ...
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5k views

How do I view multiple users groups using sssd?

SETUP OS = RHEL 6.4 Workstation System is part of an LDAP domain and was originally configured to authenticate using nscd. All recommended SSSD packages have been installed. [root@sssd_system]#...
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533 views

Users authenticating via AD are no longer being prompted for password

Platforms: Oracle Linux 5, Oracle Linux 6 PowerbrokerOpen V7.01 What we want to happen: Users are able to login to the Linux command line using their Active Directory username and password. What'...
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394 views

account login slow in Centos

My centos server recently found that the login is too slow. I use SSH to connect the server but it seems no the problem about SSH. Because Last login: Mon Jan 26 12:11:04 2015 from XXXXX appear ...
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103 views

Start text terminal shell from Linux DM?

Is it possible to start a shell in a text terminal from a Linux Desktop Manager such as GDM, MDM or KDM? I have a user that has a .profile with a bash select loop offering the option to startx (where ...
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170 views

“login -qf” as root results in “Login incorrect” error

I'm trying to install pow on an OS X machine.* Some of pow's components have to run as root, so part of the setup process involves running an installation script with sudo. The problem is, this setup ...
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0answers
158 views

User specific script on login independent of login handler

I am trying to run a script automatically under the following circumstances: A specific user logs in. Independently of how the user is logging in: be it through the shell, a desktop environment ...
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0answers
2k views

Lightdm does not start after using webkit greeter

I am using lightdm. And I compiled the lightdm-webkit-greeter from source. Here are my /etc/lightdmlightdm.conf settings: [LightDM] [SeatDefaults] xserver-allow-tcp=false greeter-session=lightdm-...
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54 views

Blank login screen

When I boot into Linux, then I should get a login screen where I enter my password. But I actually a black and a blank screen, literally. Because I know this is the screen where we enter the password ...
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306 views

ubuntu 18.04 - too long to show login

it takes on average 2 minutes showing the splash screen before the login widget is made visible. blame did not show anything suspicious (this is after removing splash and quiet optiona off in grub): ...
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34 views

How can I change (volume) hotkey permissions on debian login screen?

usually I use the laptop to hear music at home while doing things off the computer. As it is supposed, after some time of inactivity the screen saver starts on my debian (stretch) system. To change ...
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157 views

Where does a bash process get its default signal handlers/traps?

From https://stackoverflow.com/questions/50606753/do-getrlimit-and-setrlimit-work-by-reading-from-and-writing-to-etc-sec#comment88227414_50607042 Bash doesn't have a special handler for SIGQUIT ...
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0answers
316 views

Using pam_succeed_if to restrict user login to single group

I'm running Debian 9. What I want to do is restrict user logins to uids that are members of the "goodgroup" group. I forget where I got this solution originally, but this is what I have in my /etc/...
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39 views

private key flash drive for server login

is there a way to make it so with my servers when I want to get into the console I can just plug in a flash drive with private keys on them that are trusted like the ones I have for ssh from my ...
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0answers
742 views

Automatic Login with cURL without php

I'm working in a little project using a script to do scraping. I'm trying login in https://www.plusdede.com/login, it's a simple login with a numeric captcha. The code which is important is: <div ...
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0answers
172 views

Root login doesn't work with Synaptic and Apper

I have an odd problem. I have tried to use Synaptic so I can install a package. The system asks for the root password but won't accept it. I can start a terminal window and start su with the root ...
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0answers
700 views

Change `lxlock` login screen in Debian Stretch LXDE

After having trouble with my python I had to reinstall my LXDE with apt-get install task-lxde-desktop All my settings remained working except one I don't know if it depends on the reinstallation or ...
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0answers
569 views

What Can I Do To Setup a Root Login In Debian 9?

I have been using Debian steadily since Sarge. In each version I have been able to login as root, with GUI, to do my administrative needs. I NEVER use root for day to day use. I want to be able to ...
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0answers
205 views

Trace sequence of scripts/commands executed upon ssh

I am executing ssh myuser@myserver. Is there any way to trace all actions performed and the names of files being sourced? (similarly as with bash -x) PS: I executed bash -x at the command prompt ...
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0answers
363 views

login using touchscreen software keyboard on raspberry pi

I am trying to get a keyboard for the login screen but I am having some difficulties. I have tried editing /etc/lightdm/lightdm-gtk-greeter.conf as per the page here: Virtual Keyboard on Login Screen ...
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0answers
323 views

Black screen after upgrade to fedora 26

I upgraded my system from Fedora 25 to 26, and after upgrading it rebooted and I got a black screen with a mouse pointer in middle but no GUI to make a login. There is an error on booting which says ...
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0answers
2k views

Change Icon User Login Screen, and Background, CentOS 7

I have CentOS 7 and I want the Icon User on the Login Screen... I was trying in the System Settings -> Account Details, Click over Image But this method doesn't work... The Second Part, is changing ...
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0answers
40 views

Debian not logged in with proper password after upgrade

Just after upgrade my system start to fail when I try to login as normal user both via gdm and tty. However it's not possible to login as root too. When try to login via tty it outputs 'Login ...
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0answers
36 views

CentOS7 user authentication

I've set up a VM in VBox 5.1.22 running CentOS7 Everything release. I've done some work in it and left to check some stuff on my host OS, Win7. After 10-15 minutes I checked the VM again and it went ...