Same login different computers

<p>Hi all,</p> <p>I have 3 Ubuntu boxes (2 desktops and a server) at home. I would like to know how to setup an account on one computer and be able to use that account (user name and password) to log into the other computers.</p> <p>Currently, I have setup the computers manually to have the same user name and password so I can log into them with out any issues. If I change the password on one, I'll have to change it on the other.</p> <p>I would like some sort of central user manager to do this for me. Is there a program out there that will do this? I am not really looking to sync my home folders, just login information. I like the idea of having a primary computer that I use to store all of my stuff. I just want to be able to log into the other machines from time to time to perform updates.</p> <p>EDIT: As per the answers below, I have researched the LDAP idea and I like it. However, at this point I only want my primary computer to contain my real home directory. I don't want to have to move it to the server (it is a good idea for the future). I just want to be able to log into the other computers with the same user name and password to be able to perform updates and maintenance. I would probably be installing software for the kids as there account is very limited. </p> <p>I would like to move shared files (music and pictures) to the server and share those as a network share.</p> <p>In summary, I would like to be able to manage users (add/edit/delete) that can log onto any of the ubuntu computers, this includes controlling the permissions that they have on that computer i.e. sudo. I would like to maintain my desktop as is but have the login sync'd with LDAP. The ability to setup network shares and ssh based mounts would be excellent as well.</p> <p>Thanks, Troy</p>