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RedHat System Administration II (RH134)

Introduction
  • This course is designed for IT professionals working to become full-time enterprise Linux system administrators.
  • The course is a follow-up to System Administration I.
Objectives
  • Expand and extend on skills gained during the redhat system administration1 (RH124) course
  • Build skills needed by an RHCSA
  • Installation using Kickstart
  • Managing filesystems and logical volumes
  • Managing scheduled jobs
  • Accessing network filesystems
  • Managing SELinux
  • Controlling firewalling
  • Boot Troubleshooting
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Course Overview
  • This course goes deeper into enterprise Linux administration including file systems and partitioning, logical volumes, SELinux, firewalling, and troubleshooting.
Audience
  • This course is singularly designed for linux system administrator who have completed Red Hat System Administration I (RH124). The organization of topics is such that it is not appropriate for student to use RH134 as a curriculum entry point. linux system administrator who have not taken a previous Red Hat course are encouraged to take either System Administration I if they are new to Linux, or the RHCSA Fast Track course (RH200) if they are experienced with enterprise Linux administration.
Prerequisites
  • RedHat System Administration I

Topics In RedHat System Administration II



1 . Automating Installation with kickstart

  • Kickstart concepts and architecture
  • Creating a kickstart configuration file
  • Installing a new system using created kickstart
2 . Using regular expressions with grep

  • Create regular expressions to match text patterns
  • Use grep to locate content in files
  • Use grep to locate content in directories


3 . Creating and editing text files with vim

  • Three main modes of vim
  • Open,edit,and save text files
  • insert and replace text
  • Use editor shortcuts
4 . Scheduling future linux tasks

  • Schedule one-time tasks with at
  • Schedule recurring jobs with cron
  • Schedule recurring system jobs
  • Manage temporary files
5 . Managing priority of linux process

  • Describe nice levels and their effects
  • Assign nice levels on new and existing process
  • Report on nice levels for process
6 . Controlling access to files with access control lists

  • Describe POSIX ACLs
  • Describe ACL and file system mount options
  • Describe ACL mask and ACL permission precedence
  • Change regular ACL file permissions using setfacl
  • Change defaults ACL file permissions for new files and directories
7 . Managing SELINUX security

  • Basics of SELinux permissions and control transitions
  • Change SELinux modes with setenforce
  • Manage SELinux booleans with setsebool
  • Change file contexts with semanage and restorecon
  • Examine logs and use sealert to troubleshoot SELinux violations
  • Troubleshooting SELinux
8 . Connecting to network defined users and groups

  • Use centralized identity management service
  • Installing authconfig application
  • Bind local system to centralized identity management
  • Configuring IPA Server and Client
9 . Adding disks,partions, and file systems to a linux system

  • What is partion?
  • Difference between MBR partion scheme and GPT partion scheme
  • Create and remove disk partions on disks with an MBR partioning scheme using fdisk
  • Create and remove disk partions on disks with an GPTpartioning scheme using gdisk
  • Format devices with file systems using mkfs
  • Mounting file systems into the local system as temporary
  • Mounting file systems into the local system as persistent
  • Create and format a partion for swap space
  • Activate the swap space
10 . Managing logical volume management(LVM) storage

  • Describe LVM components concepts
  • Manage logical volumes
  • Implement LVM storage
  • Display LVM component information
  • Extend and reduce a volume group
  • Extend logical volumes in xfs and extended file systems
11 . Accessing network storage with network file system (NFS)

  • Manually mount,access and unmount an NFS share
  • Benefits if using the automounter
  • Configures automount in local system
  • Automount NFS shares using direct and indirect maps
12 . Accessing networks storage with smb

  • Mount and unmount SMB file systems using the command line
  • Automount SMB file systems
13 . Controlling and troubleshooting the red hat enterprise linux boot process

  • Boot process of Redhat Enterprise Linux
  • Repair common boot issues
  • Repair file system issues at boot
  • Repair Boot loader issues
14 . Limiting network communication with firewalld

  • What is firewall?
  • Configure a basic firewall
  • What is firewalld? How it works
  • Configure firewalld settings
  • What is zones in firewalld? and use of it
15 . Comprehensive review

  • Review the course chapters to reinforce knowledge and skills



Outcome

As a result of attending this course, linux system administrator should be able to perform the key tasks needed to become a full-time Linux administrator. linux system administrator will be introduced to more advanced administrative topics, such as storage management using LVM, SELinux management, and automated installation. This course goes deeper into enterprise Linux administration, including file systems and partitioning, logical volumes, SELinux, firewall configuration, and troubleshooting.



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