Questions tagged [login]

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

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How to log in via desktop environment?

I am using Ubuntu for my terminal. I am unable to access my Desktop and when I type "ls" nothing shows up. How do I log in via desktop environment in order to access my desktop files? huque@RNB:~$ ...
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unable to change MTU for ssh_exchange_identification: Connection closed by remote host

When I try to login to remote server by ssh, it stucks at expecting SSH2_MSG_KEX_ECDH_REPLY and then exists ssh_exchange_identification: Connection closed by remote host But I can login using ...
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Login Loop Black Screen when opening terminal

I'm having a huge problem that is made of different small problems. I'm Caught in a login loop but when I call a terminal to fix the problem I end with a black screen asuming there is something wrong ...
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How to force hiDPI scaling mode on boot in Pop!_OS/Gnome

I asked a similar question about hiDPI scaling here. This question regards a universal hiDPI mode, the other question is about fixing scaling on a specific application. I am using a 4k monitor in ...
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1answer
27 views

How to exclude a specific user from not getting locked-out after the inactive days

I know the PAM rule using pam_faillock to lock-out dormant users and not allowing them to login via console or ssh after certain number of inactive days. But I want to exclude a specific user from ...
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How to diagnose slow gnome login on rhel7

Summary Recently my RHEL7 workstation at work has been taking a long time (minutes) to go from entering my password on the GUI login screen and my desktop actually appearing. I would like to know ...
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Display managers don't log me into my user account

I have been using Arch Linux for more than 5 years now (and linux for about 10 years). Never had such a problem. Searching the internet also did not reveal any answers to this ---- Here are the ...
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1answer
69 views

Aborting 'wrong username' logins

Occasionally when I SSH or Telnet into a remote server (using Putty) I fat-finger my username and don't realize it until after I hit ENTER. The subsequent 'password' prompt of course never works ...
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Linux Mint: Normal boot after login turns screen black

If I do a standard boot of Linux Mint, it goes to the Login Screen, but as soon as I login, it flashes the desktop then the entire screen switches off - including the back light. Luckily, if I boot to ...
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Password not typing in after chromeum update

Chromeum said to update from within my program, not knowing there may be conflicts (deleted cinnamon), after reboot it won't acknowledge my password. I used crtl+alt+f3 and the curser just flashed ...
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I have filled with zero sdc and can't login at gui

When I tried to format to default my usb thumb ( /dev/sdb ) by mistake I have filled /dev/sdc with zeros with the next command: dd if=/etc/zero of=/dev/sdc My last device added was the thumb, so I ...
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1answer
93 views

Cannot login again since 6 days!

I have delete timeshift complete with sudo apt remove timeshift and I set the root-reserved percentage on the root filesystem from 5% to 0% because here (https://bugs.launchpad.net/ubuntu/+bug/1738065)...
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Execute a script before login screen

I am trying to run a script before the login screen in Ubuntu 19.04. The script checks if there is an external monitor connected to my notebook and if there is one it changes the resolution to ...
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Fedora 30 log in loop

I have a problem and can't figure it out on my own so I thought maybe someone here could help. I'm using Fedora 30 5.1.15-300.fc30.x86_64, GNOME 3.32.2. When I try to log in it looks like it's gonna ...
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Disable any and all screen locks/sign ins etc on Ubuntu 19.04

I don't want any security on my ubuntu box. This is because it is a virtual box, when I open it up I just want it to be ready to roll, and not need to type "osboxes.org" or hit enter etc. This is ...
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Proxy git user's SSH login to internal GitLab CE container

I have a metal box with Ubuntu and I have set up GitLab CE inside a Docker container (whose IP address is only accessible within the docker0 network), so there's only one public IP for the whole ...
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What are the directories and configuration files used to set the umask by the superuser in Solaris UNIX?

One file I can think of is the .profile file in the user's home directory. However what are the absolute paths (directories and file names) that are used to set the UMASK level at the operating ...
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creating a systemd service to mount the encrypted home

I hope my message is posted in the right section, i'll try being as precise as i can. i'm running: arch-linux with LTS kernel (4.19.52-1-lts) zfs on root (0.8.1). systemd: 242 (242.29-1-arch) ...
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1answer
47 views

how to start a shell that will display login / password prompt?

lets say that I have a program that is running in tty1 displaying a menu, one of the entry of this menu is to have access to the shell, which command can I start to be able to have a prompt asking for ...
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My Linux Mint machine does not ask for a password on boot [duplicate]

When I boot my Linux Mint machine, and when I wake it, it logs me in automatically. I wanted that when I installed my OS, but now I want to be asked for a password. If I go to Control Center > Users ...
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Run script if phrase is typed in bash's password prompt

Is there a way to run a shell script if a specific incorrect password is entered in the bash login? (ie. my actual password is dog, but when I type in only cat it runs a script. I'm hoping to use this ...
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1answer
61 views

New User unable to login via ssh

I'm trying to set up two new accounts in a Redhat 6.10 environment. The first account that I created works fine no issues. I used the same steps and the second account is unable to login via ssh with ...
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1answer
22 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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1answer
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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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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 ...
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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 ...
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2answers
79 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 ...
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1answer
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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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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 ...
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87 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 ...
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22 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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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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1answer
71 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 ” )...
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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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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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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 ...
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51 views

Abnormal behavior on Debian 9 after crashes

After I tried to install swift on my Debian 9 machine, Suddenly I faced a big problem (I couldn't access Debian GUI) I solved this issue by some terminal command like sudo apt-get install gdm3 and ...
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1answer
92 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-...
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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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1answer
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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 ...
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1answer
59 views

Mint - disk is full (prevents login)

I had 0 bytes free and even when I deleted something the number of free bytes stayed still zero. So I tried to restart it and I can't login now. I tried console Ctrl+Alt+F1, but I don't know login. I ...
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1answer
52 views

logout/login not enough to update group membership

I just added myself to "docker" group on my workstation. I dutifully logged out and in again on my desktop environment but I'm still not on the group: mcon@cinderella:~$ id uid=1000(mcon) gid=1000(...
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1answer
60 views

Centos Installation base environment only showing basic functions

I am currently interested in learning how Linux works. I have followed the tutorial How to Install CentOS 7 on VMware Workstation 14 Pro? The problem is, every time I install the only available Base ...
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2answers
144 views

What does the Unix login program/command do?

I am reading APUE and it keeps refering to the login program, but I still don't know what it is doing in my operating system (Ubuntu). §8.11: Normally, the real user ID is set by the login(1) ...
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4answers
714 views

How can I track script which gives me “command not found” right after the login?

When I login, I have these messages: -bash: $'\r' : command not found -bash: $'\r' : command not found -bash: $'\r' : command not found It is quite clear that it is caused by Windows-style line ...
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102 views

Ubuntu 16.04 - Cannot SSH with root user, login successfully but closed immediately with return code 254?

I could SSH to 1 server with a non-root user. However, I tried to enable root login at /etc/ssh/sshd_config with this content: # Package generated configuration file # See the sshd_config(5) manpage ...
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When I connect my Wacom to the PC, Debian gets stuck to Login screen

As title says; also: everything was working fine, I followed all the steps I found in the Linux Wacom Project https://linuxwacom.github.io/ and at the end of the process I could use the tablet with no ...
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Can some or all profile/login scripts be bypassed on local console login?

The situation I'm thinking of is that something in /etc/profile or ~/.profile or ~/.login or similar is causing you to be logged out immediately or some other problem/mischief, and you're at a text-...
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3answers
59 views

Seeing user two times

Consider I have created a user 'test' during Installation which I use to login to my system. My root user is 'root'. I further open two terminal sessions for each of the users respectively. Now the ...
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106 views

Very slow login, logout and su on Centos 6.8

It's been two weeks that ssh login, logout and using su to other users on a CentOS 6.8 server been very slow, it takes around 20 seconds to 45 seconds for the login or logout or su to take effect. All ...