Redhat: Users
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User, Groups and Redhat
In order to make use of a system, users need to be able to access it. The administrator must understand how to create, remove and modify users and groups of users. There are several ways this can be done, using the useradd command, manually editing the passwd files or through the GUI.
By default there is only one user of a fresh install of Redhat - the Root user. No other users are needed, but for security purposes it is better to have at least one regular account so that the root account is only used when needed.
Types of Users
There are three types of users on Redhat:
| Regular Users | Users of the system to which rights can be given if needed | michael, dave, roshan |
| Admin / Root Users | the Admin User | root |
| Service Users | services running on the system, cannot be logged into (otherwise theres a security issue) | apache, samba |