Mavrick

Red Hat Certified System Administrator

INTRODUCTION

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A large percentage of the servers hosting websites, cloud-based services and virtualization services are powered by Linux. The Linux operating system is favored by many IT departments due to its reputation for stability, its open source model, and low cost of ownership.

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Red Hat certifications are industry leading in the IT field. Exams are designed to be hands-on and performance based to ensure the most accurate, real-world environments. Red Hat customers can feel confident that they are getting the most from their Red Hat deployments because certified professionals work with customers every step of the way.

A Red Hat Certified System Administrator (RHCSA) certification is earned when an IT professional demonstrates the core system administration skills common to Red Hat Enterprise Linux environments. RHCSA is an appropriate certification for system administrators and professionals in a wide variety of related roles, including database administrators, developers, and support technicians.

Red Hat Certified Engineer (RHCE) is earned by a Red Hat Certified System Administrator (RHCSA) who has demonstrated the knowledge, skill and ability required of senior system administrator responsible for Red Hat Enterprise Linux systems.

Course Topics

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Module 1: Physical Hardware

 

• Understanding Physical hardware such as HP Server, Cisco Switch, Cables and connectivity.

• Components of the Physical Server HP ProLiant DL 380 Server

• Examine internal hardware components of a HP DL 380 Server.

• Configuring RAID on the Physical Hardware.

• Configure management port (HP ILO) on DL 380

• Installing operating system on the Physical Server

• Understanding remote console features and administration.

• Understanding server racking and cable patching.

 

Module  2: INTRODUCTION TO OPERATING SYSTEMS

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• Discussing Operating system families

• Why LINUX?

• Explaining levels of server technology

• What is GNU/GPL licensing?

• Introduction to Open source platform

• Describe various flavor of  Linux

• Distinguish between Enterprise and Free Linux

• Co-relation between Linux and Unix

 

Module 3: INSTALLATION

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• Discussing  and explaining hardware and virtual platform  for installation

• Introduction to variants of REDHAT ENTERPRISE LINUX

• Perform installation via GUI and CLI

• Understanding mount points and partitioning system in Linux

• Understanding package selection

• Step-by-step installation

 

Module 4: WORKING WITH LINUX COMMAND-LINE

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• Understanding  CLI,GUI and TUI mode of access

• Accessing  command-line terminals and x-terminals

• Getting familiar with Linux Shell Prompt (BASH)

• Performing User login , logout and  live user status monitoring on CLI

• Checking HOSTNAME, USERNAME, WORKING DIRECTORY, KERNEL VERSION, UPTIME, DATE and CALENDER from command-line

 

Module 5: UNDERSTANDING LINUX FILE SYSTEM

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• Understanding directory structure

• Exploring various system directories

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Module 6: UNDERSTANDING BASIC TOOLS AND UTILITIES

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• Text Editors

• Using Vi and NANO editors on command-line

• Using GEDIT and EMACS on GNOME terminal

• Using GREP, SORT, SED, DIFF, LESS, MAN, INFO, --HELP

• Using MKDIR, TOUCH, CAT, FILE, CP, MV, RM, RMDIR

• Performing Standard Input/Output re-direction

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Module 7: SPECIAL FILES

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• Configuring Symlinks

• Understanding Orphaned links

• Recovering Orphaned links

• Performing file duplication using Hardlinks

 

Module 8: FILE PERMISSIONS

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• Understanding basic permissions

• Understanding user categories

• Understanding NUMERIC method of calculating permissions

• Using chmod  command to set file and directory permissions

• Setting STICKY-BIT permission on directories

• Assigning explicit permissions using File Access oCntrol List

 

Module 9: FILE COMPRESSIONS

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• Understanding compression/decompression process

• Understand and use TAR archive manager

• Use GZIP and BZIP2 for compression

• Tune process nice value for BZIP2

 

Module 10: USER MANAGEMENT

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• Creating user accounts

• Setting/removing password

• Storing user information

• Configuring password policies

• Understanding user database files

• Creating groups

• Adding users to a group

 

Module 11: SHELL SCRIPTING

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• Creating executable script

• Creating backup scripts

• Creating loop scripts

• Understanding logic of ‘IF THEN’ scripting

• Performing numeric calculation using ‘IF THEN’ logic

• Using ‘ELIF’

• Understanding logic of ‘CASE’ scripting

• Creating multiple input script using ‘CASE’ script

• Creating ‘FOR LOOP’  scripts

• Use of ‘DO DONE’ and ‘DO WHILE’ in FOR LOOP

 

Module 12: SERVICES AND PROCESSES

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• What is a service?

• Understanding types of service

• Managing service in run-time

• Managing service at start-up

• Understanding processes

• Managing and monitoring processes

• Using RUN-LEVELS

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Module 13: BOOT PROCESS

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• Working of BIOS program

• Understanding use of boot files

• Understanding kernel load process

• Understanding complete system initialization

 

Module 14: PACKAGE MANAGEMENT

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• Discussing RPM and SOURCE-CODE methods for installation

• Performing package installation, removal and up gradation using RPM  

• Performing package installation, removal and up gradation using YUM

• Downloading and installing software via source-code

• Configuring YUM server

• Performing network installation and up gradation vis YUM server

 

Module 15: DISK AND STORAGE MANAGEMENT

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• Identifying device drivers

• Mounting Optical and USB media

• Creating Partitions

• Perform memory monitoring using free command

• Configuring and managing SWAP in run-time

• Understanding Logical Volume Management

• Creating Physical Volumes

• Forming Volume Groups

• Creating and assigning Logical Volumes to users

• Understanding types of RAID

• Understanding RAID levels – 0,1,5

• Using ‘MDADM’ utility to perform software RAID

• Understanding Disk Quota management

• Setting user specific disk quota limits

• Monitoring quota limits

 

Module 16: VIRTUALIZATION

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• Installing KVM

• Installing QEMU server

• Creating virtual machine

• Accessing VMs via VNC VIEWER

• Performing kick-start installation

 

Module 17: NETWORKING BASICS

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• Understanding IP addressing

• Understanding OSI Model

• Understanding protocols, ports and sockets

• Understanding TCP and UDP communication

 

Module 18: DHCP SERVER

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• Installing DHCP Server

• Managing DHCPd

• Configuring DHCP server

• Configuring Clients

• Monitoring lease logs

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Module 19: FTP SERVER

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• Understanding  FTP and its ports

• Installing FTP server

• Configuring Anonymous FTP server

• Accessing and downloading data from client node

• Configuring Real FTP server

• Jailing users to their home directories

• Performing bandwidth management

• Generating and monitoring FTP logs

• Understanding and configuring TCP WRAPPERS

 

Module 20: SAMBA/CIFS SERVER

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• Understanding SAMBA service

• Integrating SAMBA with WINDOWS

• Creating workspace

• Configuring shares

• Deploying SAMBA server

• Accessing from windows client

• User and IP security

 

Module 21: WEB SERVER

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• Web service as backbone of internet

• Understanding web hosting

• Installing Apache web server

• Creating and configuring web site

• Hosting web site

• Performing name based hosting

• Creating password protected sites

 

Module 22: NETWORK FILE SERVICE

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• Understanding network file services

• Configuring work space

• Understanding RPC processes

• Configuring NFS and RPC bind

• Mounting exports on client computers

 

Module 23: DNS SERVER

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• Understanding  name servers

• Name servers versus Domain name servers

• Understanding FQDN

• Configuring zones

• Assigning DNS to clients

• Testing DNS with NSLOOKUP and DIG

• Creating REVERSE LOOKUP

 

Module 24: REMOTE SERVICES

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• Configuring TELNET server

• Configuring XINETD daemon

• Perform telnet from client node

• Understanding use of SSH

• Configuring RSA passphrase

• Performing secure login

• Performing SCP and SFTP

 

Module 25: LDAP and NIS AUTHENTICATION

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• Understanding LDAP server

• Configuring LDAP client authentication

• Understanding NIS server roles

• Authenticating client with NIS server

 

Module 26: POSTFIX MAIL SERVICE

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• Understanding traditional mail service

• Discussing E-mail service

• Configuring POSTFIX mail server

• Integrating with DNS and creating MX records

• Testing mail server via telnet

• Creating users

• Using client tools to send and receive mail

 

Module 27: iSCSI STORAGE

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• Understanding STORAGE AREA NETWORK

• Discussing iSCSI and FCOE Technologies

• Understanding iSCSI Target roles

• Creating storage blocks

• Configuring iSCSI target server

• Using iSCSI Initiator on client

• Making storage available permanently

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Module 28: SYSLOG SERVER

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• Configuring SYSLOG server

• Monitoring syslog

 

Module 29: MARIA DB SERVICE

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• Understanding database administration

• Configuring MARIA DB service

• Accessing database records

 

Module 30: IP TABLES FIREWALL

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• Understanding firewall roles

• Installing IPTABLES firewall

• Writing INPUT and OUTPUT rules in IPTABLES

• Creating port based policies

• Removing rules and flushing tables

 

Module 31: CONFIGURING IPv6

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• Understanding need of IPv6 addresses

• Understanding Link-local address

• Configuring IPv6 address

• Pinging two computers with IPv6 address

 

Module 32: SELINUX

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• Enabling and disabling SELINUX

• Modifying SELINUX policies

 

Module 33: TROUBLESHOOTING

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• Using SINGLE USER MODE

• Using RESCUE MODE

• Identifying and resolving errors with networking