add-me.shell-snip

normal-user@ubuntu:~$ sudo -i
root@ubuntu:~# lastlog | grep cobin
root@ubuntu:~# adduser cobin
Adding user `cobin' ...
Adding new group `cobin' (1001) ...
Adding new user `cobin' (1001) with group `cobin' ...
Creating home directory `/home/cobin' ...
Copying files from `/etc/skel' ...
Enter new UNIX password: # create a password
Retype new UNIX password: # same password
passwd: password updated successfully
Changing the user information for cobin
Enter the new value, or press ENTER for the default
	Full Name []: # Accept all defaults here, for speed
	Room Number []: 
	Work Phone []: 
	Home Phone []: 
	Other []: 
Is the information correct? [Y/n] 
root@ubuntu:~# lastlog | grep cobin
cobin                                      **Never logged in**
root@ubuntu:~# su - cobin
cobin@ubuntu:~$ pwd
/home/cobin
cobin@ubuntu:~$ ssh-keygen -t rsa -N ""
Generating public/private rsa key pair.
Enter file in which to save the key (/home/cobin/.ssh/id_rsa): 
Created directory '/home/cobin/.ssh'.
Your identification has been saved in /home/cobin/.ssh/id_rsa.
Your public key has been saved in /home/cobin/.ssh/id_rsa.pub.
The key fingerprint is:
SHA256:bg8mdtIfCrWcI33pMIcKt+jiZfA7292TqESYBF6LvhE cobin@ubuntu
The key's randomart image is:
+---[RSA 2048]----+
|.  .             |
|..o .            |
| E..             |
|...o             |
| o+ .   S        |
|  o+   * + .     |
| .  * Q.^.=      |
|  .+.B.%o% .     |
| ..o*== o.+      |
+----[SHA256]-----+
cobin@ubuntu:~$ echo 'ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQDGzK5Seh7wST+yWMjLQx6dd+P0LHxjJuRpk4QtfvI40AaypNGXJXotgS4VDAx7nw7tSWchkydwll8Y/+88lvK59/d/ZEj2okr+R5nwILXA2hWByVegO+/ztYA0+e/OEJySRFX6NFm37+a40iBAmnzPoqScgW0qHYWYOuCKxAZoQS4GyZQOdwdUlqedrV2t/dEOlRlbnlT0AQHqcSX7ocsoaIcyHMdJXe/VDMASWRQCG6LGP9lZTuljNgq5vpgiQ/q8mv+MJQUdC9A5W92Y82wvlSwJfAO6QEFVBvGyJmoCqzItBNPHnU9HwXrXh7IuNdLl3Fwl4CIT+zk9QZqknqPx cbluth@bb' >> ~/.ssh/authorized_keys
cobin@ubuntu:~$