All Questions
95
questions
-1
votes
0
answers
32
views
Ubuntu Login Loop because of $PATH problems
I need your help. I'm stuck with the Ubuntu Login Loop and I guess, it happened because I tried to add the PATH for Laravel to .bashrc. This went wrong and now I tried a lot to put into .bashrc, ....
- 9
2
votes
1
answer
513
views
non-login shell sources $HOME/[.local/]bin to $PATH and I can't find why
OS: Ubuntu Desktop 22.04
I am initially logged in as user carl. I open a shell and echo $0, I get the confirmation that I am in a non-login shell. ("bash", no dash)
But when I then echo $...
- 23
0
votes
1
answer
124
views
Not at home after login
I have installed Ubuntu 22.04 in WSL2. I expect that the bash shall be started in the home directory that I find in /etc/passwd as
harper:x.1000:1000:,,,,:/home/harper:/bin/bash
But after starting ...
- 113
2
votes
0
answers
110
views
Custom modt script prevents me from logging in on server. Am I doing something wrong?
I am running Ubuntu 22.04 LTS Server on an old computer I have, and I would like to have a custom script be run when I login to print useful information.
I have the script (linked below), placed it in ...
- 21
1
vote
0
answers
69
views
how to perform commands from the "login shell"
I noticed that several programs (ie webstorm) run with their own manager, and thus through the login shell (running through the jetbrains toolbox to manage versions and updates smoothly), which I ...
- 381
0
votes
0
answers
135
views
Error found then loading /etc/profile
An error was encountered while loading /etc/profile:
tr: symbol lookup error: tr: undefined symbol: waiting, version GLIBC_2.2.5
The result of the session will be the wrong mood.
You need to fix the ...
0
votes
0
answers
308
views
How to change default $PATH for root user in WSL2 (Ubuntu version)
In the Ubuntu version running in WSL2 (on Windows 11), how do you change the default $PATH for the root user? I've tried adding the following lines to the root user's ".profile" script:
if [ ...
0
votes
1
answer
1k
views
.profile not read anymore after upgrade to 22.04. How to debug?
Yesterday I upgraded my desktop to 22.04.1.
Somehow my custom commands in ~/bin/ are not found anymore.
It seems I have to manually source .profile in every terminal.
Yes, I have a manually created ....
- 5,799
1
vote
0
answers
582
views
Start KeePassXC on unprotected PC without password on boot
I have a laptop at my home and I have no password at startup. I also have gnome keyring autologin enabled. The only thing that really bugs me, is that I need to enter my 40 character password for ...
- 2,520
1
vote
1
answer
312
views
Change password via BASH script using UID
I've created a post-installation automation BASH script for Ubuntu installations. The last thing I want the script to do, is to set the password of UID 1000's password (the user I've created while ...
- 1,478
10
votes
1
answer
2k
views
when you login to the shell, what program handles evaluation of the credentials?
when you first boot, and you're greeted with the warm glow of a black screen and flashing prompt, what program is that? What program handles evaluation of the credentials? Or rather, what component of ...
- 14.9k
2
votes
1
answer
1k
views
Is there a default way to run commands on user's logout?
I want to log the logins/logouts of my users.
For the logins I only need to modify /etc/profile and add my command or edit any .profile for an specific user.
But for the logouts I don't know if there ...
- 121
0
votes
1
answer
103
views
Scheduling tasks a certain amount of time after login
I have written a python program that reads from email. If a certain string is received from email then it does nothing. But if the python program does not receive that string, it runs a bash script, ...
4
votes
3
answers
3k
views
How can I view the stdout / stderr from the bash login shell?
I'm trying to debug a strange issue with my ~/.bash_profile, and I'd like to be able to see if there are any errors / etc printed when it's run. Is there some log or such somewhere that contains the ...
- 141
2
votes
1
answer
179
views
Wrong logname at login in Ubuntu 21.10
I upgraded my Ubuntu 21.04 to 21.10 yesterday and am running into serious problems after rebooting.
Troubles with graphical drivers (solved)
This is solved, but maybe I broke something by solving this ...
- 41
0
votes
1
answer
113
views
Unable to login to desktop 20.04
I cannot login to Ubuntu 20.04 after installation of zsh-shell
I added an exec zsh on top of my .bashrc file to change my default terminal to make zsh my default shell. On reboot, I couldn't log in.On ...
- 141
0
votes
1
answer
689
views
login shell check is not working in .profile
Ubuntu 20.04, 5.8.0-63-generic, gnome-shell, gdm3
My login shell is set to /bin/sh
and I have this line in my $HOME/.profile file:
shopt -q login_shell > /dev/null 2>&1 || export SHELL=/bin/...
- 238
2
votes
2
answers
3k
views
Lubuntu 20.04 Run a script at login which executes in a terminal window
My Goal:
Execute a shell script after login which runs with root privileges and takes the appropriate user input from a terminal window to determine its next course of action.
The Script:
The script I'...
0
votes
0
answers
582
views
Ubuntu 20.04.2 login loop due to segmentation fault in libpcre.so.3.13.3
Out of sudden I got this login loop issue in my laptop. From var/log/syslog I can able to find out it is segfault issue
gnome-session-b[2739]: segfault at 7ffe34d8xx50 ip 00007ffe34d8dxxx error 6 in ...
- 1
0
votes
1
answer
469
views
Cannot login 20.04 LTS login loop
I am using Ubuntu 20.04. I can now no longer login to my machine. Attempting to login will make the screen go black, and then I get thrown back to the purple login screen.
This is the timeline of the ...
0
votes
1
answer
1k
views
Can you run a login shell in Xterm?
I'm trying to get a hold of all the interactive/non-interactive login/non-login shells types, and I have a little question to help me put this puzzle together:
I understand that when you e.g. login to ...
- 125
4
votes
3
answers
2k
views
Which bash profile file should I use for each scenario?
I have seen many detailed explanations on how .bashrc, .bash_profile and the various other profile files interact, so I'm not after an explanation of how they fit together (I've read many such ...
- 323
0
votes
0
answers
128
views
Login and password on script
I need your help to creat a script for my company , the script must execute a bin script by a command line, once it launches the command the service asks for a login and a password, after this step ...
- 41
1
vote
1
answer
392
views
How to change keyboard layout for each user?
I am setting up user accounts for family members on my laptop. I use Dvorak (by touch type) but they will all use QWERTY. How can I set each user to have a different keyboard layout?
2
votes
0
answers
441
views
How to make a script execute on failed physical login?
So I have setup the PAM for my laptop in such way that if there is a failed login attempt, a bash script is executed by which webcam takes a shot and on three consecutive failed login attempts a siren ...
user938929
1
vote
1
answer
833
views
LightDM: How can I trigger a bash command everytime someone fail to login?
I'd like to take and save a picture from the webcam, every time someone tries to login into the system and fails. I know I can do that with:
mplayer -vo png -frames 1 tv://
The question is: How can ...
- 301
1
vote
0
answers
72
views
How to find out which shell is asking for super user login?
I am running Ubuntu 18.04.
Since a few weeks, whenever I start my PC, there is a window popping up and asking my password with this message :
It is neccessary to authenticate so that /bin/sh can be ...
- 171
1
vote
0
answers
200
views
Is `.bashrc` executed when ubuntu 18 logging in?
I added a line at the beginning of .bashrc which is:
exit
No terminal will be opened (the usual way), but Ubuntu 18.04 never been able to log in (to the user interface).
I was able to log in later by ...
- 119
-1
votes
1
answer
1k
views
Run command automatically on login [duplicate]
I have a command to run a python program. I do not want to run this command manually after login, I want this command should run automatically after I logged in to my ubuntu. I am using Ubuntu 16.04.
...
0
votes
1
answer
348
views
bash_login file
I read somewhere, I should be able to find .bash_login file in my home directory.
Well, I cannot find it. Where could be the problem ?
I have only these files :
- 1,896
1
vote
0
answers
405
views
How to simulate logging via login screen in ubuntu 16.04 desktop/server from terminal
Some ubuntu commands need a user to have been logged in via the login screen. Example is: running pacmd list-sink-inputs from the terminal without the user first logged in via the login screen would ...
- 139
1
vote
1
answer
1k
views
how to lock login terminal on a server
is there a way to lock a login console of a server after a certain time of inactivity? just lock; not log the user out.
if found vlock (and physlock) that seems to do a decent job of locking the ...
- 1,555
1
vote
1
answer
2k
views
`exec /bin/bash -il` fails in .profile
The Bash manpage says:
After reading that file (/etc/profile), it looks for ~/.bash_profile, ~/.bash_login, and ~/.profile, in that order, and reads and executes commands from the first one that ...
- 23
4
votes
5
answers
8k
views
bash: /usr/bin/locale-check: No such file or directory error after i downgraded from ubuntu 18.10 to 18.04
After downgrading my Ubuntu from 18.10 to 18.04 when ever trying to login I am getting the following error:
And opening the terminal following error displays
bash: /usr/bin/locale-check: No such ...
0
votes
1
answer
273
views
Login Loop in Ubuntu 16.04 after editing the Path
I was editing the path as said in this page: Source
After I did that, I logged out, and ever since that, I was not able to Login.
I have tried various Login Loop Remedies said in this Exchange, but ...
- 103
0
votes
1
answer
3k
views
Is it possible to run a command within a login shell using sudo or su?
I'm trying to run a non-interactive command within a login shell (using su - or sudo -i) but couldn't make it work so far.
Within ~/.bashrc I have sourced a script which sets all variables my ...
- 1
0
votes
0
answers
272
views
error found when loading /home/[username]/.profile (after installing OpenFOAM)
I recently installed OpenFOAM by this youtube video https://www.youtube.com/watch?v=cKyHFwfGpVQ the software seems working but when I restart my PC and log in I find this error message
Error found ...
- 1
2
votes
1
answer
506
views
~/.profile doesn't run after upgrading to Ubuntu 17.10
After upgrading Ubuntu from 17.04 to 17.10, ~/.profile file has suddenly stopped running on login.
Therefore, the script below, which is located in ~/.profile isn't run
# set PATH so it includes user'...
- 123
5
votes
2
answers
9k
views
mkpasswd -m sha-512 produces incorrect login
I'm running into trouble trying to set passwords for my new users.
I found a tutorial indicating that mkpasswd -m sha-512 "my password here" would produce a salted and hashed password that can be ...
- 233
2
votes
1
answer
99
views
How can I login with my bash terminals running in interactive mode?
I am using a domain controller (oldap) to authenticate my hosts. It all works great except for the fact that my ldap users are initializing with non-interactive shells.
I know the issue is not with ...
- 211
2
votes
1
answer
10k
views
One liner for login using su
I know you can use su to switch users within the terminal. As the account I use is non-root (without superuser permissions), it brings up a password prompt for the user I log into.
Is there a way to ...
- 185
3
votes
2
answers
1k
views
Track logins made via non-interactive shells
This is in reference to this question.
I wanted to log everytime someone logged in via ansible.
I put my script in ~/.bash_profile file. Here is the script,
#!/bin/bash
now=$(date +"%T")
echo "$...
- 5,847
0
votes
2
answers
3k
views
How do I recover a deleted or overwritten bash
I have overwritten /bin/bash with another executable I wanted to mv to the /bin
Now I have login loop in normal usr login as well as in the ctrl+alt+F1 terminal which u can access before login.
...
- 1
2
votes
1
answer
776
views
users with bin/bash access
I was following the guide here and listed all users in passwd. There I found the following problems:
/bin/false aparently allows channels and some form of forwarding
nm-openconnect:x:122:130:...
- 69
1
vote
0
answers
431
views
Ubuntu login loop lightdm-session errors [duplicate]
I have been trying to solve this problem for over a month now, so of course I have tried all the 3 common solutions which are all over the internet. I think I am getting close and my problem resembles ...
1
vote
0
answers
874
views
Run a script with root privileges, but only at very first login of any user
How can I run a script that requires root privileges at login of a (or any) user?
I am building an Ubuntu 16.04 Docker image. I need to update the list of libraries with the ldconfig -v command but ...
- 11
63
votes
5
answers
66k
views
Differentiate Interactive login and non-interactive non-login shell
I'm trying to differentiate these four terms login, non-login, interactive and non-interactive:
interactive - login shell
interactive - non-login shell
non-interactive - login shell
non-interactive - ...
- 5,511
4
votes
1
answer
2k
views
Script doesn't run at startup no matter what
I have a script located at /opt/capslock_delay_fix.sh.
I want the script to run after login.
I've tried everything. From Startup Apps, to .bash_rc, to .profile. It just won't run the script. I wonder ...
- 163
0
votes
1
answer
266
views
Run Executable After login [duplicate]
So I have an executable (output of gcc compiling a C program), that I would like to run after login so it is the first thing a user sees upon login. It is a graphical menu that displays system ...
- 123
6
votes
1
answer
465
views
How to set a new home directory at every login?
I'm in the process of building a kiosk system and need to give the guest user a new temporary home directory at every login.
I wrote a little bash script that takes care of that but when it tries to ...
- 111