Tham khảo tài liệu 'learning debiangnu linux-chapter7: configuring and administering linux', công nghệ thông tin, hệ điều hành phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | 7. Configuring and Administering Linux This chapter equips you to perform common system administration tasks. By using a few simple commands and a text editor you can override many configuration choices made during system installation. You ll learn how to add delete and modify user accounts and how to add and delete groups and change their membership. You ll learn how to configure swap space and how to cause Linux to automatically mount filesystems. This chapter doesn t deal with the configuration and administration of network facilities such as servers. Those topics are covered in Chapters 10 11 and 12. User and Group Administration In this section you ll learn how to perform common administrative tasks affecting users and groups. Most system administration tasks require that you login as root. Throughout this section and subsequent section you should assume that you must be logged in as root unless directed otherwise. Creating a User Account To create a user account you use the adduser command which has the form adduser userid where userid specifies the name of the user account that you want to create. The command prompts you for the information needed to create the account. Here s a typical example of using the command which creates a user account named newbie debian adduser newbie Adding user newbie. Adding new group newbie 1001 . Adding new user newbie 1001 with group newbie. Creating home directory home newbie. Copying files from etc skel Changing password for newbie Enter the new password minimum of 5 maximum of 8 characters Please use a combination of upper and lower case letters and numbers. Re-enter new password Password changed. Changing the user information for newbie Enter the new value or press return for the default Full Name Newbie Dewbie Room Number Work Phone Home Phone Other Is the information correct y n y debian
