Linux User Management

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Linux User Management
Image source cover of UNIX System Administration
Handbook
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Basic tasks

• UNIX
• Add group (if new group)
• Create home directories
• Add users
• Create passwords
• Change ownership
• Change group
• Change permissions
• Create initialization files (.cshrc, .login,
  .profile)
• Linux
• add user
• create password
• automatically home directory will be create in
  /home/userid
• group, ownership and permissions also handled
  automatically

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Graphical tools

• User manager (Red Hat 7 and above)
• open KDE Control Panel and select User Manager
• In User Manager, add user, group, etc.
• Other versions
• Linuxconf
• Problem with graphical tools
• only practical for adding one or two users at a
  time, but tasks are automated

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Shell window

• Tasks are done manually
• Used when 10 or more users are added at the same
  time. Scripts are used.
• Example Perl script for Linux accounts
• create accounts addaccounts
• create passwords createpass
• summary script addstudents
• Example course accounts in UNIX
• home directories homedir.do
• change ownership chown.do
• change group chgrp.do
• assign permissions chmod.do
• use text editor (or worksheet program) and create
  entries to the password file.
• Use editor and copy and paste the entries.