Create new SSH-enabled sudo user in a server

add_new_user.txt

shopt -s dotglob
sudo adduser adithya --disabled-password --gecos ""
sudo gpasswd -a adithya sudo
sudo mkdir /home/adithya/.ssh
sudo chmod 700 /home/adithya/.ssh/
sudo sh -c "echo 'adithya ALL=(ALL) NOPASSWD: ALL' >> /etc/sudoers"

# Now copy paste ssh pubkey here
nano /home/adithya/.ssh/authorized_keys

sudo chmod 644 /home/adithya/.ssh/authorized_keys
sudo chown -R adithya:adithya /home/adithya/
sudo systemctl restart ssh sshd