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 Red Hat Enterprise Linux System Administration

  Course Code - PM-103   Duration - 3 Days

This three-day course will enable delegates to:

  • Appreciate the role of the System Administrator
  • Understand the choices available when installing a Red Hat Enterprise Linux system and understand the installation process
  • Change system run levels and configure services to start and stop at appropriate levels
  • Administer file systems
  • Understand further levels of filesystem security
  • Install, uninstall and administer software packages
  • Administer users and groups
  • Configure network devices, IP addresses
  • Schedule commands to run at specific times
  • Administer and troubleshoot using log files
 

 Prerequisites

 
 

Delegates must have completed the Linux Essentials course, or have good experience in using the Linux command line.

 

 Course Content

 
 

The System Administrator’s Role

  • Administration Tasks
  • Normal User versus Super-user; su and sudo
  • Philosophy of System Admin: Automating as much as possible
  • Recap of shell facilities to enable this to happen

Hardware & Installation

  • Installation Options
  • Disk Partitioning Options
  • fdisk, parted and other tools
  • Performing the Installation Process

The Boot Process

  • Using GRUB
  • The role of init
  • Run levels
  • How to set up services to run automatically at startup time or on state transitions

Linux Filesystem Administration

  • Filesystems: mount & umount
  • Mounting Filesystems at System Startup Time
  • mkfs
  • /etc/fstab
  • Access Control Lists

Software Package Management

  • Overview of Package Management
  • Installing, Uninstalling, Updating, Listing and Querying Packages
  • The rpm and yum commands

User Administration

  • How Users are Recorded
  • Adding New Users – manually
  • /etc/passwd, /etc/shadow, /etc/group
  • Adding New Users – Command
  • useradd, usermod, userdel
  • Changing User Passwords
  • Modifying & Removing Users - Command
  • Shell Configuration Files

System Administration Tools

  • Networking Introduction
  • Configuring Networking
  • Networking Tools
    • ifconfig, ifup, ifdown
    • dhclient
    • netstat
    • arp
    • route
  • The Network File System – NFS
  • Interworking with Windows – Samba

Timed Services

  • How to run commands on specified times or schedules
    • cron
    • at

Maintaining Log Files

  • System logs and Application logs
  • Log file tools and processes
  • Locating and viewing log files

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