Questions tagged [login]
The process of logging in: from the login prompt, through user authentication, to session startup.
1,107
questions
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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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1answer
37 views
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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0answers
8 views
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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1answer
45 views
Can I reboot and log back in, without a password, in one command?
Can I reboot and log back in without a password, in one command?
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58 views
The account is locked due to 3 failed logins - can I have this echoed in a terminal emulator?
Sometimes I get the password wrong, and it doesn't work anymore. Ok, fine, but sudo keeps saying the same thing, Sorry, try again, I since I forget about this from one episode to another, I got really ...
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29 views
Keyboard layout on login
Debian GNU/Linux 9 (stretch), no GUI
Recently something happened to my SSH, so I need to login to my debian locally. I stuck on login (GUIless) because of keyboard layout, which by default is likely ...
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1answer
26 views
Bash logon script strange behavior
I am currently making a honeypot which will record all user input once they login successfully through SSH.
Here's how it works: I have my honeypot user admin's default shell set to a bash script:
...
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2answers
57 views
Copied root filesystem, now user/root logins not working
I copied my root filesystem to another partition today, using cp -r --preserve=all, as I want to have a backup in case I have an issue with my main system. I am using Parabola, which is a libre ...
0
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1answer
54 views
CentOS 8 Boot ISO asks for login?
The GUI of Cent OS installer makes the server freeze for some reason, so I'm trying to install it from command line. (persistant across # images & medias)
I've appended the following to the kernel ...
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1answer
36 views
is there a distribution that makes running and logging in as root workable out of the box?
all I ever use linux for is things that require root, e.g., modifying partitions on usb drives. I'd like to just log in as root and run X11 without being hassled about it every time I turn around. Is ...
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1answer
69 views
sudo -i and ~/.pam_environment
I have switched to using ~/.pam_environment for setting my user environment variables, and it works quite well. PAM takes care of setting everything, regardless of what shell I'm using, how I'm using ...
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3 views
I cannot see sshuttle session log
Is there anyway to see the login history for sessions created using sshuttle?
I see no results using last command
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10 views
How to authenticate user without agetty login prompt?
I want to write a shell script based on cdm which not only lets the user choose which session to run, but also asks for their username and password.
Just to give some details: it uses dialog, which ...
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0answers
31 views
Config file for enable-linger / disable-linger?
I know that loginctl enable-linger <user> and loginctl disable-linger <user> can be used to enable/disable linger for a user, and the status shown with loginctl show-user <user> (...
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0answers
23 views
Kali linux login problem
When I install kali in the installation they asked me for a name and a user to which I put whyth and I put a password everything was fine, when I turned on my laptop my username came out with its ...
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17 views
Run login user through PAM before systemd-user
My user@.service does not start properly due to /etc/pam.d/systemd-user failing to provide a password interactively (of course) to pam_mount; so consequently paths it needs are missing.
# pam.d/...
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14 views
Is it possible to switch to active Linux installation from Recovery mode?
Noob here. I have Pop OS 20.04 installed on my laptop. I've been getting these sudden freeze-outs where I get dialogues like "disk is read-only" when I'm doing something. Then I restart, and ...
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29 views
“last” command for the past 7 days
I have a script which asks for a username and then outputs the login history for the user for the last 7 days. The last command displays everything for the last year but I am struggling to narrow it ...
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1answer
17 views
How to login with a non-login shell user?
How do I login as a non-login shell user such as the apache user?
If I run sudo su - apache I get:
This account is currently not available.
And in /etc/passwd I have:
apache:x:48:48:Apache:/var/www:...
0
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1answer
20 views
When I log in, on a tty instance it immediately asks for my sudo password
So I am attempting to log in on a tty, and it looks something like this :
Arch Linux (tty1)
hostname login: _
Password: _
Last Login at (Date) on (tty1)
[sudo] password for user: _
And I think ...
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0answers
28 views
Alternative ways to enter English letters in Ubuntu
I don't know how but the English layout was removed from Ubuntu. At the moment I can't log in, because my password contains English letters. Also, when I'm starting it in advanced mode as root, I ...
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50 views
GNOME Desktop Environment Initialization Delay
Specs
Display Manager: lightdm 1.30.0
Desktop Environment: gnome 3.36.3
Distro: Ubuntu 20.04 Focal Fossa
Problem/Background
Once I login, all I can see (for at least a minute) is the wallpaper and ...
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0answers
25 views
All the ways to run bash command without blocking
I wrote a small tutorial that uses rclone to mount a network drive at login. Then I had to get on a usb stick & remove the rclone line from .bash_profile, as rclone opens in the current process &...
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29 views
what is the load order for configuration files post login
I've never found a good explanation of this and I figured this would be a good place to ask.
What is the load order of files during login? say you have an i3 or sway session launched from a console (...
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0answers
10 views
Console keyboard input broken due to boot messages
I've setup network bonding on a DELL PowerEdge server and after it went up the next time, the tty was shown asking for login (using iDRAC), but immediately additional boot messages about both network ...
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2answers
45 views
Limit ssh login for specific user based on IP address
How can I limit ssh login for a specific user to be allowed from just one IP address?
I have a user named foo in server with e.g. IP address 127.0.0.5 (my first server) and I left its login via ssh ...
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1answer
22 views
Login prompt is not output correctly, thus not able to log into Linux through ttyS0
My system is a intel Atom based board without a vedio card, communication can be carried out through serial port(at baut rate of 115200) and ethernet port. I installed CentOS through PXE, after ...
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59 views
Gnome 3 - Remember root log in credentials
When I log in as root gnome does not remember root as it does for normal users.
I can use down arrow to switch to another user, to insert root credentials.
Also it does not remember the selected sub-...
0
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1answer
80 views
I want to able to run a script on login
I'm running KDE Manjaro. I have a background changer script which I want to run on login, but the thing is it doesn't do that. What I want it to do is run it every time I login doesn't matter how, ...
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86 views
Logging in just returns me to the login prompt - sddm authorization file issue
I just upgraded to Fedora 32, running KDE. By default it seems SDDM is the login greeter. When I log in the screen flickers and I am immediately returned to the greeter login prompt. Switching to a ...
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0answers
21 views
How to require password if single-user mode is selected Solaris 11?
I want to demand root password when running single-user mode on Solaris 11. Unfortunately any of the guides seem to work in my case.
The /etc/default/sulogin is commented as required, uncommenting and ...
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1answer
91 views
Shell loading issue - bash: /root/.bash_profile: Permission denied
I am trying to login with regular user over ssh. User login successfully. But user bash not loaded properly. I am getting the below message on my login screen
Last login: Mon Jul 27 01:12:45 2020 from ...
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1answer
27 views
How to access Xorg before login in user service that needs some X features and started by user lingering
I have a user service in ~/.config/systemd/user which needs some X features (it needs to make some painting and image manipulation features). The unit file is something like:
[Unit]
Description=A ...
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0answers
32 views
Where is the “delay on a wrong password login” at the KDE login?
Please note this is a "mechanism, not policy" question. That means I do NOT want to discuss security policies, just the mechanism that implements them.
I am using the latest Kubuntu 20.04 ...
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0answers
127 views
How to start user session (login user graphically) from CLI?
We can use loginctl in modern distributions with systemctl to control the user sessions, seats etc. E.g. with it is is trivial to logout users and works on all desktop environments.
However, can I ...
1
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1answer
138 views
Default username when using TTY login
I'm a single user on my laptop and I want username to be automatically entered when trying to login to TTY1. I use Arch Linux.
For example:
Turn on computer
Linux boots
I enter password
I'm logged in ...
3
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0answers
36 views
Help with using VNC on remote Fedora Linux machine at login screen
I have a linux machine at work running Fedora 29 / gnome. I always leave it logged on at work so that when I get home I can remote VNC to it and keep working.
In previous Fedora's (16 I think) I ...
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0answers
19 views
Debian 10 Authentication error on sign in screen as soon as I click on my user name
As it says in the title, I am using Debian 10 on my laptop and I am facing a bit of a situation, as I am stuck in a login loop. The system allows me to type in my password sometimes, but most of the ...
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31 views
Are failed login credentials logged?
Are failed login credentials logged in any way in Linux, especially what is being entered as the username? Would it be possible that, when someone accidentally enters the login password into a ...
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0answers
21 views
Intermittent operation in perl loops when using non-login shell in Cygwin
I'm running perl inside cygwin under Windows (both 8 and 10). File loop.pl repeatedly calls another perl script worker.pl (simplified to make the problem clearer):
loop.pl:
for my $i (1..2500)
{
...
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0answers
25 views
mount: can't find /run/user/65534 in /etc/fstab on startup
When I reboot my system and log into LxQt, I get a pop-up dialog that reads:
(X)
mount: can't find /run/user/65534 in /etc/fstab
[ OK ]
While my fstab is really ...
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0answers
40 views
Cannot login with correct password after fresh install: the disk is full
I've installed CAE Linux (Ubuntu 16.04) with USB-stick. I cannot login with GUI mode with my login and password, but it is possible to login another (CLI) terminal. And it is possible to login with ...
0
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1answer
39 views
PASS_MIN_LEN missing from login.defs
I've noticed that the PASS_MIN_LEN is missing from the password aging controls section inside /etc/login.defs (Ubuntu 20.04 LTS). At the end of the file there is a note that it's obsolete, alongside ...
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0answers
29 views
I can't login to the dekstop on Debian 10 buster kde plasma dekstop
i've installed linux debian recently (3 days ago), and after hours of usage, i turned on my laptop and couldn't login, i type the correct password and click enter but nothing happens, so after ...
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1answer
49 views
iptables doesn't filter my ssh failed logins any more [closed]
I have a rule on iptables to block too many failed attempted logins on ssh. On my new server however it seems not to work any more, in the sense that I can still login straight away even if I fail for ...
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0answers
44 views
Stuck on the login screen
I installed xubuntu DE on my machine and when I rebooted, my ubuntu got stucked on the login screen.
Even the command to bring up the terminal CTRL + ALT + F2 is not working and everytime I enter the ...
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2answers
370 views
terminal stuck at “login” - blank screen (after installing oh-my-zsh, I think)
(I originally posted this on apple.stackexchange but then I found this one which is probably a better place)
I have a big problem. I've freshly installed mac os and was setting up my terminal. I ...
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0answers
51 views
Debian Buster 10 KDE Plasma Login Screen not logging me in
I'm not new to Debian but I haven't really done any command line stuff. My laptop recently went through an upgrade and now I can't go passed the login screen. I'm using KDE Plasma and not even the ...
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0answers
89 views
How can I change the resolution of the login screen?
I have Linux Mint 20 running on my laptop. I have a dual monitor setup connected by VGA. The laptop monitor is 1366x768 and the external one is 1360x768. I went through a lot of hoops to get the ...
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51 views
Linux kali 5.6.0-kali2-amd64 - blank screen after login
After updating the latest snapshot with apt update && apt upgrade, my Kali encounters a blank screen after login, but this error will disappear after few attempt of logging in. Just now, I ...
