The `useradd` command is used to create new users on a system.
Questions tagged [useradd]
233 questions
88
votes
4 answers
What does adduser do that useradd doesn't?
In addition to the more widespread useradd, Debian based systems also contain an additional adduser command which provides a higher level interface for adding users and some related tasks. There are various questions/answers on other SE sites which…
Graeme
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73
votes
4 answers
Add a user without password but with SSH and public key
I want to add a user to Red Hat Linux that will not use a password for logging in, but instead use a public key for ssh. This would be on the command line.
user119776
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38
votes
3 answers
User without a password - how can one login into that account from a non-root account
I have just started to use Scientific Linux (7.0) (although I assume this question might be distribution neutral..). The kernel version is 3.10.0-123.20.1.el7.x86_64.
Coming back to my question.
I switched to root account and from there created an…
Lavya
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34
votes
3 answers
Why is the home directory not created when I create a new user?
I created a new user (testuser) using the useradd command on an Ubuntu server Virtual machine. I would like to create a home directory for the user and also give them root provileges.
However, when I login as the new user, it complains that there is…
Beginner
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32
votes
3 answers
How do I set the password of a new user after the account has already been created?
I used the 'useradd' command to create a new account, but I did so without specifying the password. Now, when the user tries to log in, it asks him for a password. If I didn't set it up initially, how do I set the password now?
Paul
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29
votes
3 answers
bash: adduser: command not found [Debian Buster]
Question: What is the most-ideal way to add new users in Debian? adduser appears to be missing on my system, any tips?
Log:
bash: adduser: command not found
Edit:
adduser does appear to be installed
adduser is already the newest version…
Jefferysons
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25
votes
2 answers
Bash is not fully functional for a new user
I just created a new user on my system using useradd -d /home/users/john -m john (Using Ubuntu 11.04). This worked fine, but when I changed to john, my bash is not fully functional. That is, it has no autocomplete, I can not use they arrow keys…
user11780
25
votes
2 answers
Implications creating System Accounts "useradd -r" Linux Fedora/RHEL/CentOS
I want to know what are the implications of create an account using -r option?
# useradd -r ...
The help says:
-r, --system
Create a system account.
System users will be created with no aging information in /etc/shadow, and their
numeric…
QA_Col
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24
votes
3 answers
what does `adduser --disabled-login` do?
An install document I'm following instructs to add a user like so:
sudo adduser --disabled-login --gecos 'GitLab' git
The --disabled-login flag is absent from most man pages I have searched.
I've made two users, one with the --disabled-login…
spuder
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21
votes
1 answer
Why is /etc/shadow shortening the password that I've set with the command: useradd -p?
[root@P-dude dude]# useradd -p $6$Ic2PVlwi$2nf.IRWTMy0FHrPzaCjkahfu9IIxnzxPZL7yg8SsvOdbjEpoI0G8uy7AqduYKQOn2R/rnnaalRmfPMy.a0 bwong20
[root@P-dude dude]# cat /etc/shadow | grep…
PolkaRon
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19
votes
3 answers
What are the allowed group names for groupadd?
I followed these instructions to build Shadow, which provides the groupadd command. I am now getting an error when trying this:
$ groupadd automake1.10
groupadd: 'automake1.10' is not a valid group name
I checked alphanumeric names, and they work…
tshepang
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17
votes
2 answers
How to add a unix/linux user in a bash script
Here's my test bash script. I'm not able to get it to work. I'm seeing two errors:
Use of uninitialized value $answer in chop at /usr/sbin/adduser line 589.
Use of uninitialized value $answer in pattern match (m//) at /usr/sbin/adduser line…
MountainX
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16
votes
3 answers
How to set umask for a system-user?
Is it possible to set the umask for a system-user (created with useradd --system username)?
sid_com
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15
votes
1 answer
What steps to add a user to a system without using useradd/adduser?
I was browsing through some Linux questions and saw this interesting question.
What steps to add a user to a system without using useradd/adduser?
The one possible way that comes to my mind is,
Add an entry for the user in /etc/passwd file.
Add…
Ramesh
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13
votes
5 answers
How can I assign an initial/default password to a user in Linux?
I found a guide that explains how to set a user's password. I'm trying to automate it and send an e-mail to the user like:
userid created with password XYZ.
request to change the initial password.
According to the doc above, an encrypted password…
munish
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