55187 - Linux System Administration
CLASS DATE(s):
7/20/2020 - 7/23/2020
9/8/2020 - 9/11/2020

COURSE LENGTH: 4 Days

COURSE COST: $1995.00

COURSE TIMES: 9:00am - 4:30pm

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COURSE OVERVIEW

This four-day instructor-led 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. This course prepares the user for the Linux Foundation Certified System Administrator (LFCS) exam, which is also a required component of the MCSA: Linux on Azure Certification.

AUDIENCE AND PREREQUISITES

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.

Knowledge of the basic components of Linux.
Familiarity with text editors.
Working knowledge of Bash scripting.

  

Course is subject to minimum enrollment. This course may run as a virtual instructor led course if minimum enrollment is not met. Courseware and Exam cost is not included. Please contact: learn@vtec.org for an additional costs.

COURSE TOPICS:


At Course Completion
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.

Module 1: System Startup and Shutdown
This module explains how to manage startup and shutdown processes in Linux.
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

Module 2: Linux Filetree System Layout
This module explains how the Linux Filesystem is organized and points out the key directories and their roles.
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

Module 3: Kernel Services and Configuration
Kernel Overview
Kernel Configuration
sysctl, Kernel Modules
Module Utilities
Module Configuration
udev and Device Management

Module 4: Partitioning and Formatting Disks
Common Disk Types
Disk Geometry
Partitioning
Naming Disk Devices
Sizing up partitions
Partition table editors

Module 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

Module 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

Module 7: Processes
Programs and Processes
Process States
Execution Modes
Daemons
Creating Processes
Process Limits
Process Monitoring
Signals
niceness
Libraries

Module 8: Package Management Systems
Software Packaging Concepts
RPM (Red Hat Package Manager)
DPKG (Debian Package)
Revision Control Systems

Module 9: Package Installers
Package Installers
yum
zypper
APT

Module 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

Module 11: Backup and Recovery Methods
Backup Basics
cpio, tar,
Compression: gzip, bzip2 and xz and Backups
dd, rsync, dump and restore
nt
Backup Programs

Module 12: Networking
IP Addresses
Hostnames
Configuring Network Interfaces
Routing
Name Resolution
Network Diagnostics

Module 13: Firewalls
Firewalls
Interfaces
firewalld
Zones
Source Management
Service and Port Management

Module 14: Local System Security
Local System Security
Creating a Security Policy
Updates and Security
Physical Security
Filesystem Security
Linux Security Modules

Module 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