Red Hat System Administration - RH200
This course teaches the basic working environment of a Linux system. It introduces commonly required operations that can be performed by entering commands interactively in a command terminal, along with functions available in the K Desktop Environment (KDE) and Gnome. This course will concentrate on Red Hat Enterprise Linux(RHEL), version 6 (all update levels).
Understanding the User Environment
RHEL 6 System Overview
- Process Concepts
- The Graphical Environment GUIs (KDE, Gnome)
- Using GUIs remotely
- Customizing the Graphical Environments
Getting Started with the Command Language
- Logging Into an RHEL 6 System
- Bash Shell Syntax Rules
- Documentation via man and info
- Command Line Editing
- Basic Network Operations
Managing Files
- File Specification Syntax
- Device Specifications
- Directory Specifications
- Regular Expressions and Special Characters
- RHEL 6 Commands to Manipulate Files
- File Protection Mechanisms
Creating and Editing Text Files: Part 1
- Using GUI-based editors (kedit, gedit)
- vi Editor
- ex Editor (commands within vi)
- Alternative editors (vim, nedit)
- Creating and Editing Text Files: Part 2
- Advanced Features of the vi Editor
- Mapping keys
Improving the User Interface
- Saving History Commands
- Creating Command Aliases
- Redirection of Input and Output
- Using Hard and Symbolic Links
- Process Control Commands
Shell Script Procedures
- Rules for Creating Procedures
- The .bash_profile procedure
- The .bashrc procedure
Print and Batch Mechanisms
- The lp command and options
- The at command and options
- The crontab command and options
User Level Tape Operations
- tar utility syntax
- tar commands for product access
- Using compression/uncompression commands
- gzip / gunzip
Writing Bash and Korn Shell Scripts
- Bash / Korn Shell environment variables
- User-defined variables
- Substitution of variables
- Command substitution in variables
- Decision statements
- Looping statement constructs
- Formatting variable values for output (printf)
- Typesetting integer variables
- Generating menus and processing with case
- Using and defining functions
- Special parameter/variable substitutions
- Defining and using indexed arrays
System Installation and Updating
- Installation types and methods
- Installing the RHEL 6 operating system
- Maintaining the system via patches
- Managing system software
Startup and Shutdown
- Components involved in the Linux boot
- Grub loader stages and configuration
- Default bootstrap
- Boot to single-user mode
- Linux startup methods, tools, and procedures
- Understanding run levels
- Adding procedures to the startup mechanisms
- Shutdown methods and control
Managing of System Users
- UID and GID concepts
- Creation of a user account
- Security through password aging
- Controlling access by groups
Managing Printer Queues
- Creation of an execution print queue
- Commands to manipulate queues
- Commands to manipulate jobs in queues
Managing Disk and Tape Volumes
- Commands to manipulate disks/filesystems
- Partitioning disk surfaces with fdisk
- Creating ext2/ext3/ext4 file systems (mkfs)
- Manipulating file system structures
- Verifying file system structures (fsck)
- Making file systems available to software (mount)
- Configuring swap space(s)
- Logical Volume Management (LVM)
Network Setup and Configuration
- TCP/IP address selection
- Host names and related files
- Configuring network devices
- Network testing with ping
- Network utilities: telnet, rlogin, rcp, rsh, ssh
Maintaining System Integrity
- Login and user accounting
- Command/process level accounting
- Using cron tables
Basic Server Setups (Procedures and Mechanisms)
- DNS (client)
- FTP
- Web (Apache)
- Samba