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.

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.

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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