Linux Training : Red Hat System Administration I

This course presents 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 GNOME Desktop Environment . This course will concentrate on Red Hat Enterprise Linux (RHEL), version 7 (all update levels).

This course has additional shell scripting topics.

Linux Training Prerequisites

This course is considered to be the basic Red Hat course. Experience with any interactive system is helpful.

This course is the first of two courses used in preparation for the examination to achieve the Red Hat Certified System Administrator (RHCSA 6) certification.

Linux Training Course duration

This course normally requires five (5) days, approximately 50% lecture and 50% lab time.

Linux Training Course Objectives

Each participant will be able to use RHEL 7 Bash Shell techniques and commands to maintain collections of files, create files using interactive editor utilities, create and execute basic command procedures, communicate with other users, and tailor the interactive environment to meet their needs. Basic administrative features to setup a functioning RHEL 7 system will also be shown.

Linux Training Course outline

Understanding the User Environment

RHEL 7 system overview
process concepts
the graphical environment (GNOME)

Getting Started with the Command Language

logging into an RHEL 7 system
Bash shell syntax rules
documentation via man, info and pinfo
command line editing and history control
shortcut control keys

Configure Secure Communications with OpenSSH

utilities that support a trusted environment
rsh, rlogin, rcp
- required packages and services
- .rhosts file
defining ssh keys
- setup on client and server systems

Managing Files

file specification syntax
device specifications
directory specifications
regular expressions and special characters
RHEL 7 commands to manipulate files
file permission mechanisms

Creating and Editing Text Files

command line utilities to control file (content)
vim editor
- key operations
- importance of .vimrc

Improving the User Interface

controlling the history mechanism
creating command aliases
redirection of input and output
using hard and symbolic links
process control commands

Monitor and Manage Linux Processes

obtaining system information
show process information and attributes
control process execution
- background
- daemon
- signals (kill)

User Level Archival Operations

tar utility syntax
tar commands for product access
using compression/uncompression commands
- gzip / gunzip

System Installation and Updating

installation types and methods
installing the RHEL 7 operating system
maintaining the system via patches
managing system software
- package information (rpm, yum)
- installing packages (rpm, yum)
- removing packages (rpm, yum)
- creating and using (yum) repositories

Startup and Shutdown

components involved in the Linux boot
GRUB loader stages and configuration
- default bootstrap
- boot to single-user mode
RHEL 7 startup methods, tools, and procedures
understanding systemd (daemons, files)
comparing systemd targets to run levels
systemctl and journald commands
adding services 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

Analyzing Logging Information

collection mechanism
configuring rsyslogd
- rsyslog.conf

Monitoring System Activity

informational utilities
- vmstat
- iostat
- mpstat
- pidstat
- top
contents of the /proc hierarchy files

Network Setup and Configuration

available tools
- Network Manager
- nmcli
- nmtui, nmtui-edit
host names and related files
configuring network devices

Virtualization

available tools
- virt-install
- virt-manager
- virsh
creating a kvm
- controlling a kvm

Please contact your training representative for more details on having this course delivered onsite or online

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