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Create new Linux User

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By Lam Ngoc Khuong
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Create new User

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sudo adduser nguyen.van.a

Add SSH key

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sudo mkdir /home/nguyen.van.a/.ssh/
sudo chmod 0700 /home/nguyen.van.a/.ssh/
sudo -- sh -c "echo 'ssh-ed25519 AAAAC3NzaC1lZDi1NTE5AAAAILaLvLmaW9qIbUVo1aDHWZE9JehbNfIdTVif2aFGF0E0 me@ngockhuong' > /home/nguyen.van.a/.ssh/authorized_keys"
sudo chown -R nguyen.van.a:nguyen.van.a /home/nguyen.van.a/.ssh/

Add User to Sudoers & Sudo Group

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sudo usermod -aG sudo nguyen.van.a
groups nguyen.van.a
su - nguyen.van.a

Remove User from Sudo Group

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# sudo deluser <username> <group>
sudo deluser nguyen.van.a sudo
Linux
linux ubuntu
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