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55187 Linux System Administration

Course Overview

This course is designed to provide students with the necessary skills and abilities to work as a professional Linux system administrator. The course covers how to administer, configure and upgrade Linux systems running one of the three major Linux distribution families: Red Hat, SUSE, Debian/Ubuntu, how to master the tools and concepts you’ll need to efficiently build and manage an enterprise Linux infrastructure. It also covers how to use state-of-the-art system administration techniques in real-life scenarios via practical labs.

Who Should Attend

This course is intended for students with a basic knowledge of Linux and its most common utilities and text editors. For users with no prior experience we suggest the free ‘Introduction to Linux’ course available on edx.org.

Course Objectives

Perform essential Linux commands such as installation, searches and manipulating files. Operate running Linux systems by managing the boot process, scheduling jobs, updating the system, monitoring system performance and managing security. Manage users and groups by adding/deleting/modifying, configuring LDAP and PAM, modifying user processes and resources. Ensure network performance via configuration, monitoring, tunnelling and routing of traffic. Configure services such as DNS, shares, SSH and SELinux/AppArmor as well as servers for DHCP and HTTP. Manage system storage by using partitions, logical volumes, phsyical volumes, ACLs, quotas and clustering.

Course Outline

1 - SYSTEM STARTUP AND SHUTDOWN

  • Understanding the Boot Sequence
  • The Grand Unified Boot Loader
  • GRUB Configuration Files
  • System Configuration Files in /etc
  • The init Process
  • SysVinit Startup
  • chkconfig and service
  • Upstart
  • systemd
  • Shutting down/Rebooting the System
  • Lab 1: Chapter Labs

2 - LINUX FILETREE SYSTEM LAYOUT

  • Data Distinctions
  • FHS Linux Standard Directory Tree
  • root (/) directory
  • /bin
  • /dev
  • /etc
  • /home
  • /lib and /lib64
  • /media
  • /mnt
  • /opt
  • /proc
  • /sys
  • /root
  • /sbin
  • /tmp
  • /usr
  • /var
  • /run
  • Lab 1: Chapter Labs

3 - KERNEL SERVICES AND CONFIGURATION

  • Kernel Overview
  • Kernel Configuration
  • sysctl
  • Kernel Modules
  • Module Utilities
  • Module Configuration
  • udev and Device Management
  • Lab 1: Chapter Labs

4 - PARTITIONING AND FORMATTING DISKS

  • Common Disk Types
  • Disk Geometry
  • Partitioning
  • Naming Disk Devices
  • Sizing up partitions
  • Partition table editors
  • Lab 1: Chapter Labs

5 - LINUX FILESYSTEMS

  • Some Notes About Filesystems
  • Virtual Filesystem (VFS)
  • Filesystem Concepts
  • Disk and Filesystem Usage
  • Extended Attributes
  • ext4
  • XFS
  • btrfs
  • Creating and formatting filesystems
  • Checking and Repairing Filesystems
  • Mounting filesystems
  • Swap
  • Filesystem Quotas
  • Lab 1: Chapter Labs

6 - RAID AND LVM

  • RAID
  • RAID Levels
  • Software RAID Configuration
  • Logical Volume Management (LVM)
  • Volumes and Volume Groups
  • Working with Logical Volumes
  • Resizing Logical Volumes
  • LVM Snapshots
  • Lab 1: Chapter Labs

7 - PROCESSES

  • Programs and Processes
  • Process States
  • Execution Modes
  • Daemons
  • Creating Processes
  • Process Limits
  • Process Monitoring
  • Signals
  • niceness
  • Libraries
  • Lab 1: Installing and Configuring Windows 7

8 - PACKAGE MANAGEMENT SYSTEMS

  • Software Packaging Concepts
  • RPM (Red Hat Package Manager)
  • DPKG (Debian Package)
  • Revision Control Systems
  • Lab 1: Chapter Labs

9 - PACKAGE INSTALLERS

  • Package Installers
  • yum
  • zypper
  • APT
  • Lab 1: Chapter Labs

10 - USER AND GROUP ACCOUNT MANAGEMENT

  • User Accounts
  • Management
  • Passwords
  • Restricted Shells and Accounts
  • The root Account
  • Group Management
  • PAM (Pluggable Authentication Modules)
  • Authentication Process
  • Configuring PAM
  • LDAP Authentication
  • File Permissions and Ownership
  • SSH
  • Lab 1: Chapter Labs

11 - BACKUP AND RECOVERY METHODS

  • Backup Basics
  • cpio
  • tar
  • Compression: gzip, bzip2 and xz and Backups
  • dd
  • rsync
  • dump and restore
  • mt
  • Backup Programs
  • Lab 1: Chapter Labs

12 - NETWORKING

  • IP Addresses
  • Hostnames
  • Configuring Network Interfaces
  • Routing
  • Name Resolution
  • Network Diagnostics
  • Lab 1: Chapter Labs

13 - FIREWALLS

  • Firewalls
  • Interfaces
  • firewalld
  • Zones
  • Source Management
  • Service and Port Management
  • Lab 1: Chapter Labs

14 - LOCAL SYSTEM SECURITY

  • Local System Security
  • Creating a Security Policy
  • Updates and Security
  • Physical Security
  • Filesystem Security
  • Linux Security Modules
  • Lab 1: Chapter Labs

15 - BASIC TROUBLESHOOT AND SYSTEM RESCUE

  • Troubleshooting Overview
  • Things to Check: Networking
  • Boot Process Failures
  • Filesystem Corruption and Recovery
  • Virtual Consoles
  • Rescue Media and Troubleshooting
  • System Rescue and Recovery
  • Lab 1: Chapter Labs

Enroll Today

This is a 4-day class

Price: $2,380.00
Payment Options

ILT Instructor‑Led Training

OLL Online LIVE

GTR  Guaranteed to Run

Class times are listed Eastern time. This class is available for Private Group Training

To sort by location or date, click the ‘When’ and ‘Where’ column headings.

Cart When Time   Where How
11/11/2019 9:00AM - 5:00PM GTR Online LIVE OLL
01/20/2020 9:00AM - 5:00PM GTR Online LIVE OLL
03/23/2020 9:00AM - 5:00PM GTR Online LIVE OLL
05/18/2020 9:00AM - 5:00PM GTR Online LIVE OLL
07/20/2020 9:00AM - 5:00PM GTR Online LIVE OLL

Class times are listed Eastern time
This class is available for Private Group Training