Managing User Accounts on Linux Instance - https://amzn.to/34AAx6x

Managing User Accounts on Linux Instance

1.Creating a User Account
#useradd user1 

2.Add the SSH public key to the user account. First create a directory in the user's home directory for the SSH key file, then create the key file, and finally paste the public key into the key file.
#cd /home/user1 
#mkdir .ssh 
#cd .ssh 
#vim authorized_keys (Paste user public key in this file) 

3.Setup permission
#chmod 600 authorized_keys
#cd .. && chmod 700 .ssh 
#chown -R user1:user1 .ssh 

4.Put user to Wheel Group (For Sudo) 
#usermod -aG wheel user1 
#passwd -d user1 

5.Login with new user 
#ssh -i user1.pem user1@serverip 
#sudo -i