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Red Hat System Administration II
Linux Training Overview

This course will present the commands and methods needed to setup and manage a RHEL 7 system. The course will also use a problem solving approach in the lab exercises to teach system administrators advanced topics, for long-term management of the system.

This course is the second preparation course for the RHCSA certification examination.

Systems: Red Hat Enterprise Linux Version 7 (all update levels)

Linux Training Prerequisites

It is assumed that the participant has successfully completed the Red Hat System Administration I course, or has equivalent system administration experience on a RHEL 7 server.

Linux Training Course duration

This course normally requires four (4) days, approximately 60% lecture, and 40% lab time.

Linux Training Course Objectives

On completion of this course, a systems administrator should be able to install, update, and boot the RHEL 7 operating system; set up user accounts and directories; prepare queues for use; perform backups for integrity and performance reasons; monitor the system for performance and do basic setup of network software and capabilities.

Linux Training Course outline

Creating and Editing Text Files
  • vim editor
    • key operations
    • contents of .vimrc
  • vim editor variants (vimdiff, gvim)
  • alternative editors (gedit, nano)
Scheduling Tasks and Operations
  • batch job scheduling with at
  • batch job scheduling with crontab
  • operation scheduling with systemd timers
  • logging
Regular Expressions
  • definition
  • usage with grep and sed
Controlling Processes
  • running priority (nice values)
  • processor affinity (taskset)
System Installation and Updating
  • installation types and methods (review)
  • installing the RHEL 7 operating system via kickstart
Startup and Shutdown
  • controlling kernel operations via boot time arguments
  • GRUB loader manipulation
  • alternative menu entries
  • Boot time troubleshooting
  • shutdown methods
Managing of System Users and Files
  • special permission codes
  • access Control Lists (ACLs)
    • files
    • directory (defaults)
  • security through PAM password aging
  • group level password controls
  • connecting to an LDAP server
Commands to Manipulate Disks/Filesystems
  • partitioning disk surfaces with fdisk and parted
  • creating ext2/ext3/ext4/xfs file systems (mkfs)
  • file system structures information (tune2fs, xfs_info)
  • verifying file system structures (fsck, xfs_repair)
  • making file systems available to software (mount)
  • configuring swap space(s)
Logical Volume Management (LVM)
  • physical volumes
  • volume groups
  • logical volumes
  • resizing LVM based file systems
  • LVM based swap space
Network Accessible Storage
  • NFS
    • basic server setup
    • basic client setup
  • Samba/CIFS
    • share setup
    • accessing shares (smbclient, mount)
Maintaining System and Network Integrity
  • software firewall
    • firewalld
    • iptables
  • SELinux basics
  • Log file control (logrotate)

 
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