Linux for System Administrators

Linux for System Administrators LFS301

Linux system administration is one of the most in-demand skills in the IT and cybersecurity domains. Whether you’re looking for expert preparation for the Linux Foundation Certified System Administration certification, need training to help start a new Linux IT career, transitioning to Linux from another platform, or you’re just brushing up on your sysadmin skills, this course will teach you what you need to know. This program of instruction will prepare you to pass the Linux Foundation Certified System Administration (LFCS) exam. In this course you will learn:

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.
How to use state-of-the-art system administration techniques in real-life scenarios via practical labs.

Prerequisites

This course is designed to provide students with the necessary skills and abilities to work as a professional Linux system administrator. Students should have basic knowledge of Linux and its most common utilities and text editors.

Course Outline

1) Introduction

Linux Foundation
Linux Foundation Training
Linux Foundation Certifications
Linux Foundation Digital Badges
Laboratory Exercises, Solutions and Resources
E-Learning Course: LFS201
Distribution Details
Labs

2) Linux Filesystem Tree Layout

One Big Filesystem
Data Distinctions
FHS Linux Standard Directory Tree
root (/) directory
/bin
/boot
/dev
/etc
/home
/lib and /lib64
/media
/mnt
/opt
/proc
/sys
/root
/sbin
/srv
/tmp
/usr
/var
/run
Labs

3) Processes

Programs and Processes
Process Limits
Creating Processes
Process States
Execution Modes
Daemons
niceness
Libraries
Labs

4) Signals

Signals
Types of Signals
kill
killall and pkill
Labs

5) Package Management Systems

Software Packaging Concepts
Why Use Packages?
Package Types
Available Package Management Systems
Packaging Tool Levels and Varieties
Package Sources
Creating Software Packages
Revision Control Systems
Available Source Control Systems
The Linux Kernel and git
Labs

6) RPM

RPM (Red Hat Package Manager
Package File Names
RPM Database and Helper Programs
Queries
Verifying Packages
Installing and Removing Packages
Updating, Upgrading and Freshening RPM Packages
Upgrading the Linux Kernel
rpm2cpio
Labs

7) dpkg

DPKG (Debian Package)
Package File Names and Source
DPKG Queries
Installing/Upgrading/Uninstalling
Labs

8) yum

Package Installers
yum
Queries
Verifying Packages
Installing/Removing/Upgrading Packages
Additional yum Commands
dnf
Labs

9) zypper

zypper
Queries
Installing/Removing/Upgrading Packages
Additional zypper Commands
Labs

10) APT

APT
apt
Queries
Installing/Removing/Upgrading Packages
Cleaning Up
Labs

11) System Monitoring

System Monitoring
sar **
Network Monitoring
System Log Files
Labs

12) Process Monitoring

Process Monitoring
ps
pstree
top
Labs

13) Memory Monitoring and Usage

Memory Monitoring and Tuning
/proc/sys/vm
vmstat
Out of Memory Killer (OOM)
Labs

14) I/O Monitoring and Tuning

I/O Monitoring
iostat
iotop
ionice **
Labs

15) I/O Scheduling **

I/O Scheduling
I/O Scheduler Choices
Labs

16) Linux Filesystems and the VFS

Filesystem Basics
Filesystem Concepts
Virtual Filesystem (VFS)
Available Filesystems
Journalling Filesystems
Special Filesystems
Labs

17) Disk Partitioning

Common Disk Types
Disk Geometry
Partitioning
Partition Tables
Naming Disk Devices
SCSI Device Names
blkid and lsblk
Sizing up partitions
Backing Up and Restoring Partition Tables
Partition table editors
fdisk
Labs

18) Filesystem Features: Attributes, Creating, Checking, Mounting

Extended Attributes
Creating and formatting filesystems
Checking and Repairing Filesystems
Mounting filesystems
NFS
Mounting at Boot and /etc/fstab
automount
Labs

19) Filesystem Features: Swap, Quotas, Usage

Swap
Filesystem Quotas **
Filesystem Usage
Disk Usage
Labs

20) The Ext2/Ext3/Ext4 Filesystems

ext4 Features
ext4 Layout and Superblock and Block Groups
dumpe2fs
tune2fs
Labs

21) The XFS and BTRFS Filesystems **

XFS
btrfs
Labs

22) Encrypting Disks

Filesystem Encryption
LUKS
cryptsetup
Using an Encrypted Partition
Mounting at Boot
Labs

23) Logical Volume Management (LVM)

Logical Volume Management (LVM)
Volumes and Volume Groups
Working with Logical Volumes
Resizing Logical Volumes
LVM Snapshots **
Labs

24) RAID **

RAID
RAID Levels
Software RAID Configuration
Monitoring RAIDs
RAID Hot Spares
Labs

25) Kernel Services and Configuration

Kernel Overview
Kernel Configuration
Kernel Boot Parameters
sysctl
Labs

26) Kernel Modules

Kernel Modules
Module Utilities
modinfo
Module Configuration
Labs

27) Devices and udev

udev and Device Management
Device Nodes
Rules
Labs

28) Virtualization Overview

Introduction to Virtualization
Hosts and Guests
Emulation
Hypervisors
libvirt
QEMU
KVM
Labs

29) Containers Overview

Containers
Application Virtualization
Containers vs Virtual Machines
Docker
Docker Commands
Labs

30) User Account Management

User Accounts
Management of User Accounts
Locked Accounts
Passwords
/etc/shadow
Password Management
Password Aging
Restricted Shells and Accounts **
The root Account
SSH
Labs

31) Group Management

Groups
Group Management
User Private Groups
Group Membership
Labs

32) File Permissions and Ownership

File Permissions and Ownership
File Access Rights
chmod, chown and chgrp
umask
Filesystem ACLs
Labs

33) Pluggable Authentication Modules (PAM)

PAM (Pluggable Authentication Modules)
Authentication Process
Configuring PAM
LDAP Authentication **

34) Network Addresses

IP Addresses
IPv4 Address Types
IPv6 Address Types
IP Address Classes
Netmasks
Hostnames
Labs

35) Network Devices and Configuration

Network Devices
ip
ifconfig
Predictable Network Interface Device Names
Network Configuration Files
Network Manager
Routing
DNS and Name Resolution
Network Diagnostics
Labs

36) Firewalls

Firewalls
Interfaces
firewalld
Zones
Source Management
Service and Port Management
Labs

37) System Startup and Shutdown

Understanding the Boot Sequence
Boot Loaders
System Configuration Files in /etc
Shutting Down and Rebooting
Labs

38) GRUB

The Grand Unified Boot Loader (GRUB)
Interactive Selections with GRUB at Boot
Installing GRUB
Customizing the GRUB Configuration
Labs

39) System Init: systemd, SystemV and Upstart

The init Process
Startup Alternatives
systemd
systemctl
SysVinit Startup **
chkconfig and service **
Labs

40) Backup and Recovery Methods

Backup Basics
Backup vs Archive
Backup Methods and Strategies
tar
Compression: gzip, bzip2 and xz and Backups
dd
rsync
cpio **
dump and restore **
mt **
Backup Programs **
Labs

41) Linux Security Modules

Linux Security Modules
SELinux
AppArmor
Labs

42) Local System Security

Local System Security
Creating a Security Policy
Updates and Security
Physical Security
BIOS
Bootloader
Filesystem Security
setuid/setgid bits
Labs

43) Basic Troubleshooting

Troubleshooting Levels
Troubleshooting Techniques
Things to Check: Networking
Things to Check: File Integrity
Boot Process Failures
Filesystem Corruption and Recovery
Virtual Consoles
Labs

44) System Rescue

Rescue Media and Troubleshooting
Using Rescue/Recovery Media
System Rescue and Recovery
Emergency Boot Media
Using Rescue Media
Emergency Mode
Single User Mode
Labs

45) Closing and Evaluation Survey

Included in Course:

✓ 4 days of Instructor-led class time

✓ Hands-on Labs and Assignments

✓ Resources and Course Manual

✓ 12 Months of Access to Online Course

✓ Registration for LFCS exam

✓ Certificate of Completion

✓ Digital Badge

Price: $3250

Location: JMark Services Inc. Headquarters

8415 Explorer Dr., St. 110, Colorado Springs, CO

Times: 8:00 AM – 5:00 PM daily

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