Questions tagged [login]

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

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How do I remove login password for Centos6.5?

Question 1 On Centos 6.5, I have a username called admin. How can I make it so the system logs in automatically? Question 2 How can I configure system to login as root user when there are other ...
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1answer
27 views

Debian Testing not booting fully (display manager not loading)

Every time I boot my (fresh) Debian install with gnome-core with a couple of the packages added that come with gnome. I installed Debian without a desktop environment which boots and reaches the login ...
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1answer
23 views

Shell Script to fix minimum password age not working but no errors

The goal of this script is to change the minimum password age in the /etc/login.defs file. My issue is that this script runs, I don't get any errors but when I vi to the file, nothing has changed. I'...
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2answers
11k views

What does “Cannot make/remove an entry for the specified session” mean?

Instead of logging me in, PAM greets me with the message "Cannot make/remove an entry for the specified session" after I enter the password. What entry is it talking about (and what session)? The ...
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2answers
80 views

Is there a way to perform a full login as another user without being root?

In our setup, we are forced to use Microsoft Active Directory (AD) for ssh access to our Linux VM, so that when employees leave they can be blocked from accessing the VM once their AD account is ...
2
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1answer
384 views

Debian login loop, can't login with correct password

I've updated my repositories on synabtics the upgraded firefox to newer version, when I open it it crashes, while this I was having my hard drive plugged .. so I tried to reboot to fix Firefox crash .....
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34 views

Login incorrect after installing nfs-utils

I am attempting to install nfs-utils (and thus all its dependencies) in a stateless RHEL6.5 KVM VM. The VM is configured to have a read-only root via the /etc/sysconfig/readonly-root file, Linux magic ...
2
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1answer
2k views

Switch user and elevate to root as a single action?

I have a system that is setup to require a password both to elevate to root, and to switch to the only user that can do so, so currently if I need to do something as root from another account I would ...
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0answers
22 views

What are the performance overheads between logging in to another user account via ssh vs login

In Gnu/linux systems, I can perform a full local login (i.e. where logname returns the same output as whoami) by two methods: login: sudo login second_user (prompted for password) ssh: ssh ...
315
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5answers
164k views

Difference between Login Shell and Non-Login Shell?

I understand the basic difference between an interactive shell and a non-interactive shell. But what exactly differentiates a login shell from a non-login shell? Can you give examples for uses of a ...
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2answers
130 views

Question about login logs using “sudo su - username”?

While doing my Linux training I found this curiosity: If I do "sudo su - username" and log into that username account, it doesn't count as login when I do "finger username" Take this image where "...
3
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1answer
52 views

Why does rbash not apply any restrictions for a login shell on Debian 9 (Stretch)?

I am on Debian 9 (Stretch). I have a deploy user where I've set the shell to /bin/rbash. Here is the line from /etc/passwd: deploy:x:9000:9000::/home/deploy:/bin/rbash If I am the root user, and I ...
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0answers
31 views

How can I reduce failed login delay in Arch Linux with KDE?

I tried some /etc/pam.d modification and succeeded in reducing tty login delay. But in lockscreen it always takes 2 seconds delay with failed login. How can I reduce this? There was a possible ...
471
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10answers
2.0m views

How to switch between users on one terminal?

I'd like to log in as a different user without logging out of the current one (on the same terminal). How do I do that?
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0answers
151 views

How to customize linux mint cinnamon 19 login screen

I would like to know if there is a way to customize the Linux mint login screen. And by customize I don't mean the background, but for example can I move the password input box to the middle instead ...
2
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1answer
18k views

How to recover missing serverauth so user can startx?

I've been using PCLinuxOS. All was OK until the Hard Drive had a bad block. After some fsck repair, from the shell, I tried to startx: xauth: file /home/joe/.serverauth.2052 does not exist. ...
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0answers
53 views

Login Failed at Manjaro KDE no user can login

No user can login. I did the same as this post No users can log in I tried a lot of things and no one logged. Any solutions?
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1answer
99 views

CentOS XFCE stuck at splash screen

When I log a user on a CentOS workstation with XFCE, the machine get stuck on the splash screen. It just never disappear. Even if I set the Slash screen settings to None. Those users are part of an ...
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0answers
35 views

Fedora 28 hangs when logging in shortly after boot

I am running Fedora 28 on a ThinkPad T460s. On the first log in, directly after booting, the screen becomes grey with the mouse pointer visible, but I cant move it. It stays like that for a few ...
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2answers
2k views

How to start a script after login using gdm?

I am using arch linux with xmonad, and I login using gdm, but to make xmonad work properly I have to run a script directly after login (actually I want to run .xinitrc after login using gdm to set ...
0
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1answer
91 views

Change tty respawn in Debian 9 (Stretch )

I try to change respawn tty to some other bin file , before that I configure that on /etc/inittab But now this file doesn’t exist ; how can I do that ? ( my goal is “ call my binary instead of tty ” )...
4
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3answers
784 views

Explanation for the meaning of content of the /var/run/utmp file

I would like to understand the content of the following file system /var/run/utmp. When I use the command od to open it I see the following: [john@iceman ~]$ od -c /var/run/utmp 0000000 002 \0 \0 ...
2
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1answer
2k views

Login Keyring in Fedora 25

Whenever I login to my computer I get a window which says Enter password to unlock your login keyring and The password that you use to login to your computer doesn't match with the login keyring To ...
13
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4answers
8k views

Weird SSH issue, ssh works with -t but freezes without it

When I ssh into one of my servers, it seems to log in, but then hangs before giving me the prompt (message debug2: shell request accepted on channel 0 is the last log entry). Though the odd thing is ...
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1answer
123 views

Why does vsftp return 530 incorrect login?

I started a vsftpd server on my arch linux desktop and then tried to log in to it using using my normal user. But I get "530 Login incorrect" when I attempt to log in: $ systemctl start vsftpd $ ...
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0answers
48 views

Unable to login to Fedora 28 system

I'm unable to login to my Fedora 28 system. I have a dual boot system with Fedora 29 and 28. I often use the Fedora 29 system and now booting the Fedora 28 after long days say around 2 months. I'm ...
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2answers
1k views

Stuck in a login-loop in lightdm and gdm, but not with xfce and other systems

The interesting part is I found that I was able to login with xfce but not with either lightdm or gdm. (I am using Ubuntu 16.04)
3
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1answer
97 views

How to configure a shutdown at the xth wrong entered password?

Having an encrypted hard drive is all well and good, but chances are that if someone is gonna steal your laptop, it’s probably not going to be turned off. Most likely, it will be stolen in a powered-...
1
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2answers
2k views

Turn on bluetooth on login screen

Is it possible to have bluetooth turned on and use a bluetooth keyboard when at the login screen? So far I only managed to start the bluetooth daemon when logged in. I added it to systemd with ...
4
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0answers
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 ...
3
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1answer
1k views

Running a shell script on n failed login attempts

I'd like to run a script if the login on my machine fails 3 times (not ssh, but someone in terminal trying to login, or someone trying to physically login). Also, is if it is possible to configure the ...
0
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3answers
132 views

Is there a way to switch to “su -” after switching users through “su”?

Basically what I want to be able to do is to switch to having used "su -" instead of the traditional hyphenless "su" after already using "su" to switch to another account. My initial thought was to ...
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3answers
21k views

How do I enable auto-login in Mint 18?

Mint 18.2 64b Cinnamon 3.4.3 This is running in a VM on my machine so I'm not worried about login security. I've been looking around on the Mint forums and only found a lot of threads about ...
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1answer
4k views

Login incorrect on CentOS

I've downloaded a CentOS-7-x86_64-Minimal-1511 iso file for testing purposes. I also have Hyper-V on Windows 10. I loaded the image file and as far as configuring the below there was not much to do ...
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1answer
15 views

Unable to login for graphical session on Mint + Not available space on filesystem

I've been trying to start a graphical session with all users on my system but I've been always reverted to the login screen. After initiating a terminal with (Ctrl+Alt+F1) from there, I've been able ...
22
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7answers
33k views

How can I change what's displayed at a login shell?

I'm getting more familiar with tweaking the way things look in a shell via the prompt (.bashrc), but I'm now trying to change the initial stuff displayed when I first log in. On my EC2 instance, this ...
9
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4answers
3k views

Restrict the times a user is allowed to log in

We have several Backbox 3.13 systems built on Ubuntu 12.04. One of my teenagers does not understand the concept of this thing called "sleep" and tends to get up to play on the computer. I'm trying to ...
2
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1answer
4k views

Elementary OS: Accidentally installed Ubuntu Login Screen

When I restarted my Elementary OS Laptop today I was shocked, because I was on an Ubuntu-styled glitching Login Screen. I guess I accidentally installed it, by trying to get ubuntu-tweak-tools on my ...
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2answers
1k views

`xmodmap` not working on startup

I recently installed Debian 9 and inserted my usual ~/.Xmodmap file and added xmodmap ~/.Xmodmap to my .xsession. To my disappointment this didn't actually work. For reference, I run i3 from startx ...
0
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1answer
103 views

Recovering from a 'corrupt' theme installation on Debian

I recently installed a new theme on my Debian Stretch machine, however after rebooting, I am unable to get past the login screen. If I enter the incorrect log in details, the systems tells me that the ...
3
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1answer
390 views

Every AD SSH login starts with a failure in audit.log

Whenever I login to my Centos 7.x server I always get a transparent failure in the audit.log. This is making my attempts to have a daily script for failed logins very difficult as we can't be sure ...
3
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1answer
1k views

authentication failure on new arch install

I'm setting up a new machine running Arch and after going through the beginner's guide I rebooted into the machine and when trying to log in as my user or as root with correct passwords I get back the ...
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0answers
141 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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1answer
41 views

Trisquel:What to type when I set a blank password? [duplicate]

I recently installed trisquel on my computer. When I decided to use the terminal and sudo I was prompted to use a password despite the fact that I set a blank one. I want to know what I am supposed ...
0
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0answers
174 views

How to unlock the login for the root?

How to unlock the login for the root? In Ubuntu 14.xx and previous versions of Ubuntu, it was possible to log in to the graphical session as root. Now i can't do this anymore. How to unlock the root ...
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2answers
5k views

phpmyadmin blank page after login using nginx / php-fpm

i can access www.***/phpmyadmin to login. if i log in with mysql user just hit blank page with no error. System runs on raspbian. Installed : nginx 1.2.1 , php5.4.36 i tryed login from different ...
1
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1answer
124 views

Run script before anything is displayed to the screen after login

Last Login: Sun Aug 13 13:59:42 CDT 2017 on tty1 Welcome to Ubuntu 17.04 (GNU/Linux 4.10.0-30-generic x86_64 and so on... The text above is displayed immediately after login. I would like to run a ...
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2answers
1k views

Multiple PCs network centralized system authentication

(I couldn't really choose an accurate title as I don't know exactly what the feature I'm looking for is called. Sorry about that. I hope that the following lines may clear this aspect.) I own a dozen ...
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1answer
78 views

Can not login on Debian

After running once startx command in terminal i can not login as user anymore to my normal desktop. It still works as root. I am using the Mate desktop environment. Can any one help?
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2answers
3k views

Restore Mint logon screen

I'm using Mint 17.1. Yesterday I uninstalled cowsay and fortune as I never use them; fortune had dependencies that were also removed, I assumed because they were no longer needed. However, on ...