The Complete Guide to “useradd” Command in Linux – 15 Practical Examples

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Ravi Saive

I am Ravi Saive, creator of TecMint. A Computer Geek and Linux Guru who loves to share tricks and tips on Internet. Most Of My Servers runs on Open Source Platform called Linux. Follow Me: Twitter, Facebook and Google+

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84 Responses

  1. pramod says:

    Hi Sir,

    I have a one question..

    How to create a user with custom primary group and then add this user to secondary group in one command, this question asked in interview .

    ex: username – techmint
    primary group name – linux
    secondary group name – admin

    • Ravi Saive says:

      @Pramod,

      Use following command add a new user to primary group (-g option) and secondary group (-G option).

      # useradd -g linux -G admin techmint
      
  2. Md. Saidur Rahman says:

    Thank you. Why you used ‘-m -d‘? Can we use ‘-d’ instead of ‘-m -d‘?

  3. Adam Mulla says:

    Hi, I am new for learning Linux from basic to advanced level I think your blog is best to everyone to learn thanks for providing such a great tutorial and articles.

  4. Sohan says:

    How to Prevent reuse of UID/GID in SUSE Linux?

  5. Andrea says:

    The result does not match search criteria right?

    [[email protected] ~]# cat /etc/passwd | grep tecmint
    navin:x:999:999::/home/navin:/bin/bash

    • Ravi Saive says:

      @Andrea,

      Yes, search criteria for user ‘tecmint’ was wrong, but thanks for pointing out, we’ve corrected in the writeup..

  6. Sree says:

    I am adding a user “sudo useradd test” in RHEL. I am getting “configuration error – unknown item ‘TMOUT=600;’ (notify administrator)”. But user is getting created. However when I try to login I am unable to login ad test. Any idea why so?

  7. Manuel Malagon says:

    I tried using ‘useradd,’ and no home folder was created, also, when trying to switch from ‘root’ to the new user created, I got the message “No directory, logging in with HOME=/.”

    It worked fine until I used ‘adduser’ instead of ‘useradd’. This way the /home/user1 folder was created, and I was able to switch from ‘root’ to ‘user1’ using ‘su – user1’ command.

    After all, ‘useradd’ and ‘adduser’ are not as similar as one would think.

    • Nitrofx says:

      Excellent suggestion. I had the exact same issue. This article needs to be modified to reflect this issue. The commands are not the same and they perform different functions.

  8. faiqkhan says:

    Very helping article sir please continuous to upload some information about permission on file

  9. Daniel says:

    Is it possible to have an account that has no shell, not a root account and it has sftp access by using winscp? I’m setting up a linux box with Litespeed so I would like to have a locked down account that only used for uploading and running the server service.

  10. James Tobin says:

    @Ravi Saive: I suggest you add the command to remove user

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