Virtual Private Server User Guide

User and Group Management

1) E mail only

2) E mail and FTP access 

3) E mail, FTP and shell access

vadduser will always create an e mail account for the user. While it is possible for 

a user on your VPS server to have an e mail account without having an FTP 

account, it is not possible for a user to have an FTP account without an e mail 

account. Likewise, you cannot grant shell access to a user without also granting 

FTP and e mail access.

Warning! You should never give shell access to a user you do 

not trust. Although shell accounts are generally safe, there is 

always the possibility that a shell user could discover some 

unknown security exploit and gain access to important data or 

otherwise compromise your virtual server.

Example: Adding a user with shell access

In the following transcript, we create a user account for a user named "rusty," with 

e mail, FTP, and shell access. We also grant rusty access to the Samba service:

> vadduser

What type of account do you wish to add?

1) E mail Only

2) E mail and FTP Access

3) E mail, FTP and Shell Access

Please select an account type [1 3]: 3

Should this user have Samba Access? [y/n]: y

Please select a user name: rusty

Please enter the User s Fullname: Rusty

Which shell do you want this user to have?

1) /bin/sh

2) /bin/csh

3) /bin/tcsh

4) /usr/local/bin/bash

5) /usr/local/bin/ksh

Please select a shell [1 5]: 3

Technical Training Department

August 2004

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