Questions tagged [shadow]
The shadow tag has no usage guidance.
25
questions
25
votes
4
answers
25k
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Why is the file permission for /etc/shadow set to 600?
The permissions of /etc/shadow are 600, which means it is not readable for anyone except root.
However, as all passwords inside it are not stored in clear text but as hashes (which means it is ...
9
votes
2
answers
3k
views
Why can I start a root shell with sudo even with a '! ' in its shadow entry?
$cat /etc/passwd |grep -i root
root:x:0:0:root:/root:/bin/bash
$sudo cat /etc/shadow |grep -i root
root:!:17179:0:99999:7:::
In the second field of shadow file, ! means root user cannot login but ...
- 2,041
7
votes
1
answer
519
views
Trusting non human users
When looking into /etc/passwd and /etc/shadow I found many non human users. I read a bit about it and know what they do (as a group, though specifically I see many I have no clue about). All of them (...
- 95
4
votes
1
answer
415
views
How to Get Rid of the Shadow Above the Launcher Icon
I'm wanting to know how to get rid of the black/gray shadow above the launcher icon and below the panel that stretches across the top of the screen. It's on the the top 6-7 pixels (vertically across ...
4
votes
1
answer
741
views
What is the correct way to allow accounts without passwords to chsh?
I hope I have phrased this question correctly, it's a bit of an odd one.
I have an Ubuntu 18.04 host with many users on it. All of the users log into their account on the host via SSH public key. All ...
- 163
3
votes
1
answer
186
views
bring back the shadow of context menu
How do I bring back the shadow of context? There is not outline shadow around context menu in all software I use. (In some software this is very annoying to find difference between background and the ...
- 8,010
2
votes
1
answer
4k
views
Compton: Incorrect shadow display (favourite settings)?
I am experiencing problems with the shadow display of the Compton composite manager. In certain situations, the frame for the shadows exceeds the window it is applied to, leaving a visible border and ...
- 990
2
votes
1
answer
440
views
Is there a way to avoid the heavy _animation_ when switching between windows? It's too slow for me!
Whenever I move my mouse, the window where the mouse is gets the focus. That's the only true way of a good windowing system!
Only the default theme takes like 0.5 to 1 second to switch between ...
- 2,727
2
votes
0
answers
2k
views
Authentication token manipulation error after upgrade from 16.04 -> 18.04 -> 20.04
Introduction
I recently upgraded the Ubuntu release from 16.04 to 18.04 to 20.04 and after completing the upgrades and fixing outstanding issues with apps that were running on that local development ...
- 21
2
votes
0
answers
407
views
How to add shadow to the Xfce4 panel using Compiz?
I'm using Xfce4 currently with Compiz, which I installed following my own workflow here.
After some changes to my desktop setup, I would like to add a shadow to the Xfce panel, but I've been ...
- 990
2
votes
0
answers
419
views
FCITX Chinese-Black box appears instead of character options
Recently started having problems with the native pinyin input. It was working fine, then this week it stopped showing options for chinese characters. Instead, there is just a much larger black box. I ...
- 21
1
vote
2
answers
3k
views
Shadow PC client unable to connect to Shadow PC on Ubuntu. Error code R-0x7F
I cannot start my shadow pc. It starts up and acts like it will connect but then fails at the last moment with Error code: R-0x7F.
Attempts to fix the issue on my part:
Tried on android and ubuntu. ...
- 141
1
vote
1
answer
2k
views
How to change the shadow file manually?
I have a linux system and I create 20 users, after that I made a hash and import that into the shadow file instead of one of them(manually). I do that because of some educational things :)
user12:....
- 277
1
vote
1
answer
2k
views
How to use PATH env variable to read /etc/shadow file being regular user
So this was the project that I received and I'm stuck half way.
In most Linux distributions (Fedora and Ubuntu included), /bin/sh is actually a symbolic link to /bin/bash. To use zsh, we need to ...
- 21
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 ...
- 393
0
votes
2
answers
3k
views
Acceptable Hashes by shadow
What hash algorithms does /etc/shadow accept?
I've tried generating password hashes from PHP, using password_hash("password1234", PASSWORD_DEFAULT);, but that doesn't seem to work when I try to ...
- 69
0
votes
1
answer
143
views
How can I remove the font/icon shadow/s?
I'm using Ubuntu 22.04 LTS Desktop, how can I remove the font/icon shadow/s?
- 117
0
votes
0
answers
46
views
Where is the manpage of endsgent?
https://code.woboq.org/userspace/glibc/gshadow/gshadow.h.html
I don't find the manpage of endsgent. Does anybody know which package has the manpage for endsgent?
- 991
0
votes
0
answers
310
views
Mimic deluser command in linux
To delete a user without deluser in linux we have to do these things
Remove user from etc/passwd
Remove user from etc/shadow
Remove user's directory from /home/
(I used sudo rm -rf /home/username)
I ...
0
votes
1
answer
3k
views
How to customize window and panel shadow in KDE
I am satisfying with my theme, but I need to change the color of shadows for windows and panels. I tried to search for it in the settings and Kvantum but with no success.
The theme use Kvantum ...
- 789
0
votes
0
answers
1k
views
Shadow File Permissions
I have some issues with files /etc/passwd and /etc/shadow. Both of them are without permissions.
And I don't know how this happened or why. Basically I can't edit/remove these files or change ...
- 11
-1
votes
1
answer
766
views
Encrypting of /etc/shadow file
When I add a user by -useradd command, if I go to /etc/shadow the password isn't encrypted, and therefore I cannot login to that user. How can I encrypt that password in shadow file?
- 194
-1
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1
answer
542
views
How to change password in /etc/shadow to *
Looking at /etc/shadow, I see that system accounts have a * character in the password field, making it impossible to login as those accounts using a password.
I have a user account that I made, for ...
- 111
-3
votes
1
answer
34
views
Mouse pointer issue
I am facing problem with mouse pointer/cursor. whenever I am moving mouse I am getting this unwanted animation. I have not enabled this on purpose. Please help me with this issue.enter image ...
- 1
-4
votes
1
answer
2k
views
Display the username and passwords fetched from etc/passwd and etc/shadow files in a single file using cut and paste commands [closed]
i want username and password fetched from etc/passwd and etc/shadow files in a single file using cut and paste commands
- 1