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Creating User Accounts with the Red Hat User Manager
If you have cause to add new users (if you have a home network, for example) or you forgot to create a nonroot user during installation, this section shows you how. Red Hat offers several systems administration tools for your convenience. The Red Hat User Manager is an excellent administration tool that can make your life easier.RememberThe following instructions assume that you’re using the GNOME window system, which is the Red Hat default. But the User Manager works the same under the KDE window system as with GNOME. KDE comes bundled with Red Hat Linux and can be selected rather than GNOME during the installation process. (We discuss GNOME in Chapter 9.)TipYou can use the Red Hat User Manager to modify an existing user account. Click the user name and then the Properties button, and a window similar to the Create New User window opens. You can then modify any aspect of the account.Use the User Manager to create a new account by following these steps:
Open the User Manager by clicking the GNOME Menu button and then choosing System SettingsUsers & Groups.
If you’re not logged in as the root user, you’re prompted to enter the root password.The Red Hat User Manager window appears.
Click the Add User button in the upper-left corner of the screen.
The Create New User window appears, as shown in Figure 4-5.
Figure 4-5: The Create New User dialog box.
Enter your username, real-life name (full name), and password twice (to confirm that it’s correct); accept the Login Shell default of /bin/bash.
The Red Hat User Manager also creates a home directory by default.
Most of these items are self explanatory, but here’s some additional information:
Your user name (also known as a login name) is the name you use to log in to your computer. Make your login name easy to remember and use all lowercase letters. Cute names may not seem appropriate later. Avoid choosing a name that is too long because you may have to type it several times a day. You may also end up using your login name as your e-mail address and have to give it over the telephone, so a login name such as phool results in missent messages, leaving you feeling phoolish.
You can enter your full name, if you want. That information is saved in the /etc/passwd file, which anyone with an account on your system can read. This information is generally useful to system administrators because it allows them to connect a person with each account. It’s probably superfluous if you’re configuring your personal system.
The new password should be different from the one you use for root.As you type the password, little asterisks, rather than the actual password, appear onscreen in case someone is looking over your shoulder as you type. (Red Hat Linux is showing its paranoid side here.) In text mode, you don’t get any feedback (asterisks or other characters).
Among your many choices for a default shell, /bin/bash is a good choice (bash is a popular shell that is the default for Red Hat Linux).
Click OK.
Your account is created.
WarningRed Hat Linux uses the Pluggable Authentication Module (PAM) that prevents you from entering trivial or otherwise dangerous passwords; don’t use that as assurance, however, that your new password is a good one. A good password can’t be found in any dictionary because password crackers have programs that automatically try all dictionary words to crack your password. Avoid birthdays and anniversaries — or anything someone could associate with you. For ideas about good passwords, check out Chapter 3. Just don’t forget it, and don’t write it on a sticky note and put it on your monitor!TipYou can also use the Red Hat User Manager to delete an existing user account. Click the user name and then the Delete button, and the account is immediately removed. Be careful because you’re not asked to confirm the account deletion. However, because the account home directory is left intact (not deleted) you can go back and re-create the account if necessary.
