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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


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