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Chapter 2 Accessing Your System and the

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User Accounts. Root or 'super user' system admin. set up by default during the installation process ... used to create new users, manage file systems, install ... – PowerPoint PPT presentation

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Title: Chapter 2 Accessing Your System and the


1
Chapter 2Accessing Your System and the Common
Desktop Environment
2
User Accounts
  • Root or "super user"
  • system admin
  • set up by default during the installation process
  • owns all system files and has access to all files
  • used to create new users, manage file systems,
    install software and perform other high-level
    system admin tasks
  • Most sysadmins have a regular user account and
    only login as root when necessary to perform
    administrative tasks
  • Regular User
  • created and maintained by the sysadmin when
    logged on as root
  • can run applications programs and customize
    working environment
  • can also create and modify files in their home
    directory

3
Login ID and Password
  • Login ID
  • users public name
  • usually some combination of a users first and
    last names
  • must be unique and limited to eight lower case
    letters and numbers
  • stored in the password (/etc/passwd) file which
    can be viewed by all users
  • encrypted passwords are stored in the /etc/shadow
    file
  • Solaris Passwords
  • no less than six and no more than eight
    characters
  • different from the Login ID
  • at least two alphabetic characters and one
    numeric or special character
  • case sensitive
  • new password must differ by at least three
    characters
  • may contain spaces and special characters
  • these password rules do not apply to the root
    account!

4
CDE Login Screen
Options Button Language - set at installation
and is not used often Session - choice of GUI
also failsafe login for troubleshooting (safe
mode in Windows) Remote - login to another
Solaris machine Command Line - bypasses GUI and
goes directly to console prompt Reset Login
Screen - puts all settings back to their defaults
5
Opening Terminal Window
from CDE, right click on the background bring up
the Workspace Menu click on Tools click on
Terminal
6
Shutting Down
  • UNIX systems designed to be left running
    continuously
  • administrator shuts down to install a new OS, add
    hardware or system maintenance
  • can only be done at command line and only by root
  • Become superuser or root
  • init 0 (init ltspacegt zero)
  • OR
  • shutdown

7
Changing Password
  • must be done at command line
  • can be done by regular user
  • passwdpasswd Changing password for
    user02Enter login password ABC 123New
    password abc 456Re-enter new passwd abc 456

8
Workspace Buttons
  • virtual desktops
  • one for administrative tasks, one for
    applications and regular user tasks, one for
    special projects and another for application
    development

9
Workspace Menu
provides easy mouse access to all applications,
tools, and files through cascading submenus Move
the pointer to the backdrop, then right click
10
Labs/Assessment
Lab 2.1.5 Accessing Your System Lab 2.2.7
Becoming Familiar with CDE Lab 2.4.2 Customizing
Your Workspace chapter 2 assessment
11
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