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- Published on Feb 17, 2011
- Note: We Demonstrate Linux using Ubuntu Server 10.04
- Info
- Level: Intermediate
- Presenter: Eli the Computer Guy
- Date Created: September, 16 2010
- Length of Class: 37 Minutes
- Tracks
- Linux
- Prerequisites
- Introduction to Linux
- Installing Linux
- Basic Linux Tasks
- VIM for File Editing
- Navigation in Linux
- Purpose of Class
- This class teaches students how to manage users, groups and permissions in a Linux enviornment.
- Topics Covered
- Adding and Deleting Users
- Editing the passwd File Which Contains User Configurations
- Changing User Passwords
- Adding and Deleting Groups
- Adding and Deleting Users from Groups
- Editing the group Configuration File
- Understanding Permission Numbering System
- Changing User and Group Ownership for Files and Folders
- Class Notes
- Users
- Add User = sudo adduser username
- Change User password = sudo passwd username
- Delete User = sudo userdel username
- Edit Users Configuration File = sudo vim /etc/passwd (shows usernames, names of users, home directories)
- Groups
- Sudo groupadd groupname
- Sudo groupdel groupname
- Sudo vim /etc/group (shows groups and users)
- Permissions
- Numbers = owner/group/everyone else
- 4 = read, 2 = write, 1 = execute
- To Chanege Permissions of a File or Folder = sudo chmod 777 file/folder (-R for recursive)
- Changing Ownership
- To Change User Ownership = sudo chown -R username file/folder
- To Change Group Ownership =sudo chgrp --R groupname file/folder
- -R for Recursive for Folders
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