Managing Users & Groups, File Permissions & Attributes and Enabling sudo Access on Accounts – Part 8

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Gabriel Cánepa

Gabriel Cánepa is a GNU/Linux sysadmin and web developer from Villa Mercedes, San Luis, Argentina. He works for a worldwide leading consumer product company and takes great pleasure in using FOSS tools to increase productivity in all areas of his daily work.

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25 Responses

  1. say says:

    great tutorial

    • Gabriel A. Cánepa says:

      Thanks! Please help us spread the word by sharing this and our other posts through your social network profiles!

  2. BENALIF says:

    Great tutorial !! thank you

    • Gabriel A. Cánepa says:

      Thank you for taking the time to comment on this post. Please help us spread the word by sharing it through your social networks!

  3. David says:

    Wow this is such a comprehensive tutorial. Thanks for the good work.

  4. Nuno says:

    Hi Gabriel,

    For the past few days, I’ve been reading this tutorial series and making the exercises as a complement to do the LFCS exam. Until now (from part1 to 8) I’ve only had detected minor errors/typos but in this section you have some content from user and group management inside file permissions section :)

    Since this exchange can lead to some confusion while reading, I’m here just to make you aware of this so you can correct.

    Thank you for all the great info that you posted in these articles.


    • @Nuno,
      Thank you for pointing this out. You’re right, there are a couple of paragraphs in the File permissions section that should be moved to User management.
      On a side note, would you be as kind as to let us know what are the errors / typos you’ve found in the previous guides?

      • Nuno says:

        Hi Gabriel,

        No problem :)

        Regarding the other errors/typos I’ve pointed out, as I said, they’re just minor things that I’ve noticed while reading and following your tutorials. As an example, the only one I can remember right now is on part 6 (RAID), in the section “Check the array creation status” where you show the status of a RAID5 after create a RAID0 but as I said, not a big deal :)

        Again, big thanks for this tutorial series.

        Best regards,

  5. Paul says:

    In “Overview of Domains and Competencies” block on a page with LFCS info ( we have two interesting competencies:
    “Managing local users accounts”
    “Managing user accounts”

    Can you describe the difference? As I have found in the web, “Managing user accounts” means something related to network accounts (e.g. LDAP) and I don’t see anything related to it in this article.

    • @Paul,
      The way I see it, that is a repeated topic. In the context of the LFCS exam, they mean the same. You will only be asked to perform local user management as described in this article.

  6. Tanveer says:

    ifconfig … output is
    eth0 error fetching interface information device not found
    lspci output
    05:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8101E/RTL8102E PCI Express Fast Ethernet controller (rev 05)
    please guide me about this issue…

    • @Tanveer,
      Based on the error message, and without knowing what your distribution and environment is, I am assuming you are getting this error in a virtual machine. You have configured a NIC (network interface card) but have not added the virtual resource to the virtual machine. If my assumption is correct, my best guess is that you’re using VMWare. If so, please confirm and we’ll guide you through the steps to solve this issue. Without further information I am afraid we can’t do much.

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