Add a user in Fedora / CentOS and assign root rights?

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How to add a user in Fedora / CentOS and assign root rights? This is really important to give access rights to users.

Let’s start learning how to add a user in Fedora / CentOS and assign root rights. When you install any OS on your server, you will be assigned root access to that server. Root will have privileges to execute any command which can cause severe issues with your server in the worst case. Sometimes a command that has been executed accidentally can disrupt the working of the server. To avoid this, first of all, add a user account to limit access of commands. If you want to allow the user to execute administrator commands, you must add it to ‘wheel’ group.

In CentOS 6, wheel group has been disabled for sudo access by default. To add sudo rights, you have to navigate to

/user/sbin/visudo

Then find # %wheel, remove ‘#‘ to uncomment this line.

To start typing, press a and to save or exit press Escape, then type :w, then enter, then :q, then press enter.

useradd example_username && passwd example_pass
usermod -aG wheel example_username

 

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I'm a Software Engineer by profession. I had been certified as Cloud Computing Specialist by Alibaba Cloud. I started my career by working on freelance projects related to Facebook App Development, Mobile App development, Web development, and Software development. I voluntarily edited Facebook Map and Google Maps. During my blogging career, I experienced Affiliate Marketing, Google AdWords, Facebook Ads, Facebook Audience Network, Google Adsense and Media.net by Microsoft. I am also the founder of cloud-based Centralized Queue Management System (CQMS) which has been deployed in COMSATS University's student service center and admission cell for managing their queues. CQMS has also been awarded 3rd best project in DICE -IET 2017 (a national level exhibition and competition). Besides, I am a technical author at Alibaba Cloud. I had written many tutorials on Alibaba Cloud Focus. Moreover, I have published my book on Amazon. Currently, I am writing my next book that is expected to be published soon.

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