Skip to main content

All Questions

Tagged with
Filter by
Sorted by
Tagged with
0 votes
1 answer
86 views

What's the real meaning of "!!" in /etc/shadow on Ubuntu

The stackexchange link says "it is not possible to login to the account using a password", but the baeldung link says "anyone can log in to the account without any password". The ...
stackbiz's user avatar
  • 393
0 votes
1 answer
188 views

Trouble logging Active Directory from Windows Server 2022 to an Ubuntu Desktop 22.04 LTS

I actually joined the realm, but the problem is when I try to log in with an Active Directory user, I can't. I added the machine to the active directory via installation and everything is ok. running ...
Alex Morales Luna's user avatar
0 votes
1 answer
2k views

Ubuntu 22.04 login loop, Failed to start GNOME Display Manager

I'm facing an issue with my Ubuntu system. GNOME Display Manager fails to start at boot and I am unable to login into another tty. Any attempt to login will get me back to credentials prompt. The only ...
Serban M's user avatar
0 votes
0 answers
69 views

MySQL SQLSTATE root and normal login not function

Hello guys i have little problem with MySQL and Pterodactyl. When i try add databases i got this problem. There was an error while trying to connect to the host or while executing a query: "...
Pavlik Abraham's user avatar
0 votes
1 answer
97 views

Is it possible to have different ssh keys for ssh login and sftp on the same ubuntu user

Is it possible to have different ssh keys for ssh login and sftp on the same ubuntu user, I've tried a lot of things until now and I was not successful, through chatGPT,i tried searching on google but ...
Bardhyl Sllamniku's user avatar
0 votes
2 answers
744 views

Stuck in login loop, but only for one user

I was working on my Lenovo Idea Pad with Ubuntu when suddenly the screen froze, I could move the mouse and see the cursor moving, but clicking or pressing the keyboard keys had no effect, so I decided ...
Geropellicer's user avatar
0 votes
0 answers
636 views

Loop login - /tmp permission issue

I am facing loop login issue on Ubuntu 22.10. I was able to log into the shell and observed the following /tmp permissions: drwxr-xr-x 20 arnaud arnaud 60K mars 24 08:55 tmp I was able work around ...
iguanito's user avatar
0 votes
0 answers
31 views

How can I post an answer to a question? This is for those stuck in a login loop and if their chrome browser keeps crashing [duplicate]

Ok so if you are stuck on a login loop and or your Chrome webbrowser keeps crashing. Try emptying your system disk of data files. I have been reading posts on here for ages and then realised it is ...
Guy Anderton's user avatar
0 votes
2 answers
1k views

After logging in with my AD credentials, why can I not change any settings?

I've been setting up a new machine with Ubuntu 22.04 Desktop. And since I'm on the IT team, I've been using it as an opportunity to broaden my knowledge of configuring Ubuntu for a work environment, ...
Peter Walker's user avatar
1 vote
1 answer
7k views

Enable ssh login with password for a user

I am the admin of a Ubuntu 20.04 server and I want to enable ssh login for a user through password, rather than using key pairs. The /etc/ssh/ssh_config file on the host looks like this (<username&...
A.Manfreda's user avatar
0 votes
0 answers
97 views

Loop Login Ubuntu 22.04

Today, when I went to log into my pc, I just couldn't. The system returned to the user select page even with the password entered correctly. I found it strange that when entering the shell with the ...
babukuinha's user avatar
1 vote
1 answer
204 views

Ubuntu login loop, but have another user account

I cannot login to my main user account. I have entered the password right. When I enter the password correctly, the ubuntu login window freezes for around 3 seconds and then just returns to the login ...
Kevin Smith's user avatar
0 votes
0 answers
2k views

How can I give a non-root user SSH access

I purchased a Digital Ocean Droplet and enabled SSH authentication rather than password authentication. I was able to configure the root SSH key correctly and can login on my laptop under the root ...
darkshadowtrail's user avatar
2 votes
1 answer
646 views

I get automatically logged out instantly after logging in

In ubuntu terminal whenever I try to log in it instantly logs me out. On one account it just logs me out for no reason and on all other accounts it says Could not chdir to home directory /home/tom: ...
Tomsoz's user avatar
  • 21
5 votes
2 answers
3k views

Can't login to Samba share with any user other than my own user

I've followed the usual steps for adding a new user to Samba: create new Linux user with useradd [user] set its password with passwd [user] set its Samba password with smbpasswd -a [user] But when I ...
Za-'s user avatar
  • 51
0 votes
0 answers
288 views

ssh multiple users key and password

I have set up my sshd to require both the key and a password from a ssh client, this works fine for my main root account. I tried to make a separate account that does not have root access, the key ...
Juin's user avatar
  • 1
0 votes
2 answers
37 views

login impossible after the modification of the group for the folder /etc

Due to some permission purposes I have changed the group of all folders in /etc. Now I can't log in any more. Is there a way to go back. (I'm using ubuntu 20.04 on a VM) Many thanks in advance.
Christine's user avatar
0 votes
0 answers
190 views

Ubuntu login loops, unable to access root, sudo command throwing error

Ubuntu desktop version is 20.04LTS. I used a usb to make a bootable file.Then I see usb is not permitted by roots then I have done a little bit change on home folder that is opend properties and ...
Ridoy Dey's user avatar
0 votes
0 answers
2k views

Can't login to Ubuntu VM running on ProxMox via Terminal - Permission denied (publickey,password)

I have Ubuntu runing as a virtual server under Proxmox. From within Proxmox I can enter the console, login with my username and password with no problems. But when I try to login from my Mac Terminal ...
Mark Prince's user avatar
0 votes
1 answer
521 views

setfacl broke my ubuntu installation

I'm not 100% sure but I think I ran setfacl with the wrong argument and changed acl stuff for everything under(non recursively?) '/' instead of './' , immediately half the applications I had running ...
user avatar
0 votes
1 answer
313 views

Unable to login to root/sudo user

I have this Ubuntu 20.04 VPS which was working fine an hour back, but now I am unable to login to my sudo user. The root login is also disabled. When it was working, I deployed a static website and ...
s.khan's user avatar
  • 111
0 votes
0 answers
313 views

Can't login mysql db access denied for user 'root'

after installing mysql-server using sudo apt install mysql-server and login by typing mysql ALTER USER 'root'@'localhost' IDENTIFIED WITH mysql_native_password BY 'very_strong_password';. After that I ...
Muzaffer's user avatar
2 votes
1 answer
795 views

I changed permissions in my /home dir to 750 and files in it now I'm not able to connect the server [duplicate]

I changed the /home dir to 750 and files in it. Now I'm not able to connect the server with SSH public key. It’s showing the error Permission denied (publickey).
raviteja's user avatar
1 vote
0 answers
2k views

AD user login error using GDM-password with sssd?

We have a Ubuntu 18.04 machine that had an issue where AD users were unable to log in with their credentials. I found a error that pointed to a GPO that was causing issue. A quick search showed that ...
jjevid's user avatar
  • 13
1 vote
0 answers
2k views

Xauthority file inside /run/user/1000/gdm/Xauthority instead of my home directory

I'm currently experiencing the log-in loop bug, and I found out that the .Xauthority file isn't in my home drive at all, but rather inside /run/user/1000/gdm/Xauthority. None of the websites I used to ...
shao12138's user avatar
1 vote
0 answers
122 views

Only account loses admin privileges when restarting

I am pretty new to linux, but I am running into an issue and it seems to break everything. I have tried searching, but can't find a similar problem anywhere. I am running Ubuntu 20.4. When I first ...
motosaurus's user avatar
0 votes
0 answers
55 views

login to server only via SSH (disallow all other users / groups to login)

I am willing to rent a server from a hosting provider. I will SSH to that machine. I do not want anyone else (specially those who has physical access to the machine) to login. I only want to permit to ...
Ahmad Ismail's user avatar
0 votes
0 answers
57 views

Ubuntu 18.04 unable to login as user, but can login in tty3

I accidentally messed up the permissions by typing sudo chown -R root:root /usr. It was supposed to usr instead of /usr. anyway, I lost sudo function and showed the error message sudo: /usr/bin/sudo ...
linux_lover's user avatar
0 votes
0 answers
45 views

How does login gain permission to check for secrete files?

I don't see the sticky bit set for /usr/bin/login. Does anybody know how it gains the permission to check for secrete files so that it can check the password of a user? $ ls -lgG $(which login) -rwxr-...
user15483624's user avatar
3 votes
3 answers
2k views

How to set umask to u=rwx,g=rwx,o=rx for all ways of logging in without root privileges on 20.04.2?

I am working on an Ubuntu 20.04.2 box that I do not have root privileges on. I would like to set my umask to u=rwx,g=rx,o=rx (aka 022) no matter how I log in. I want to set it for GNOME sessions ...
Adam L. Taylor's user avatar
0 votes
1 answer
2k views

How can I move the contents of my home folder to the home folder of another account?

After I updated to Ubuntu 20.04, I've been locked out of my main account (after typing my password it takes me to the "Oh no. Something has gone wrong" page). I've been logging into my ...
TenFrickens's user avatar
3 votes
0 answers
3k views

Can't unlock certain GUI system settings + unusual authentication notifications on login and power off

I am running a recent upgrade to 20.04LTS. I am not using the Ubuntu on Wayland session as it won't recognise my login; I'm therefore logging into the Ubuntu session. Since the upgrade there are a ...
rothermere's user avatar
0 votes
0 answers
448 views

Switch user to root GUI and return

For many tasks, I find sudo too cumbersome. I also authorized root to have a standard window manager Xwindow GUI session to which I get by the switch user from my ordinary user Xwindow MATE GUI ...
Yasha Karant's user avatar
  • 1,103
0 votes
0 answers
195 views

currently logged in user account disappeared after removing a different user

I am running Ubuntu 20.04 on a Thinkpad Extreme Gen 2, with Nvidia Drivers 450 from the default repos (if that changes anything) Was doing some development in Objective-C on another user (referring to ...
izder456 dev's user avatar
0 votes
1 answer
200 views

Logged as main user but can't access anything

After ordinary use of Ubuntu 20.04 yesterday I shut it down, and today after logging in as user "biowar", I cannot access any app, for example Nautilus: This location could not be displayed ...
Петр Воротинцев's user avatar
0 votes
1 answer
159 views

Ubuntu 18.04 stuck in login loop for one account

since yesterday I am stuck in an infinite login loop for one of my users on Ubuntu 18.04. I can log in to another account but not the one I need to login to. I tried hours of different fixes from the ...
Vincent Mayer's user avatar
1 vote
0 answers
572 views

My user does not have administrative permission on Ubuntu Software Update

I use Ubuntu 20.04. I can't get administrative permission to install programs in the Ubuntu Store, nor in Software & Updates. At the Ubuntu Store or GNOME Software, as soon as I send an ...
Wagner da Silva Arestides's user avatar
0 votes
1 answer
403 views

Accidentally lost all files

I'm using Ubuntu 20.04 LTS. I am new to Ubuntu. I recently swapped over from Windows 10 after my OS became virtually unusable and exceptionally slow. I was tinkering one day and suddenly found ...
JMTLLB's user avatar
  • 1
0 votes
1 answer
537 views

User not appearing but exists, cannot give it sudo privileges

My user has been edited somehow so it does not appear on login or in my settings. However, I can still login if I use not listed and type it in, and if I try and add a user with the same name this is ...
jakeant2's user avatar
0 votes
2 answers
339 views

Can't login after chown command [closed]

I just installed elementary OS dual booted with windows 10. After the installation. I saw that the / root directory has every file and folder locked. I can't rename, delete or create anything there. ...
Pera's user avatar
  • 21
0 votes
0 answers
51 views

Missing write permission with a specific directory on Ubuntu 18.04

Recently, I have installed Ubuntu 18.04 with Windows 10 dual-boot. Issue is, when I boot the PC and login directly in Ubuntu I can access the shared directory with only read-only access. But, if I ...
tuxtu's user avatar
  • 3,175
1 vote
0 answers
132 views

Create user with access to other users

Our team is 3 people : anna ben carl They do web development so each site has its own user : site1 is a user for website #1 site2 is a user for website #2 We want each user to login with their ...
Maxime's user avatar
  • 111
0 votes
1 answer
994 views

What does "user account" in samba share actually mean?

I'm returning to Ubuntu after many years, but in my LAN I still need some machines with Windows 7. Right now I'm running Ubuntu 19.10 and I want to share a folder. I did the following steps: browse ...
Mark's user avatar
  • 527
1 vote
0 answers
67 views

Messed up my user account while probably changing default shell, need fix please

I can't exactly explain what's gone wrong, but i was trying to change (back) my default shell via chsh -s and was confronting the "PAM: Authentication failure". Then I read and tried different ...
roxch's user avatar
  • 253
0 votes
2 answers
2k views

SSH Connection Permission Denied (publickey)

I am being blocked from connecting to linode using my root and using my user. I have read all the other threads and none of the solutions are working for me. While I was connect to ssh before, I ...
Sara Abu- Hattab's user avatar
1 vote
0 answers
240 views

Root on Ubuntu Server 19.04 [duplicate]

my question about Ubuntu Server 19.04 is that my root isn't activating. I did anything I could find. Problem is when I want to login on my Server with Root it pops-up "Access denied". Also when I ...
Baki's user avatar
  • 11
0 votes
1 answer
208 views

How to enable Root Login when installing Ubuntu 16.04.3

all. I couldn't set root Login when installing ubuntu-server-16.04.3; does anyone know how to setup that? (enable when install system, not after that.)
Charing Lau's user avatar
1 vote
1 answer
947 views

Login as user hdfs failed:su: Authentication failure

I ran this script to create users and groups groupadd hadoop useradd -g hadoop yarn useradd -g hadoop hdfs useradd -g hadoop mapred But if I try to login miki@miki:~$ su - hdfs Password: ...
MikiBelavista's user avatar
20 votes
4 answers
41k views

Please login as the user “ubuntu” rather than the user “root”

I launched an Ubuntu 18 instance on EC2. I connected to the server using ubuntu user. I created a new user named newuser and added it to the sudo group. Then I ran: rsync --archive --chown=newuser:...
Alon's user avatar
  • 615
0 votes
3 answers
344 views

Enter any administrator account when Ubuntu requests authorization

When you perform an operation that requires administrator permission in Ubuntu, you will see the admin account and the password box under it. What I want is: To be able to write our own user name and ...
erkankyn1's user avatar