MCSA Linux on Azure - TED Learning

About this course

This 3 days Boot-Camp 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 profile 

This course is intended for students with a basic knowledge of Linux and its most common utilities and text editors.

At course completion

After completing this course, students will be able to:

• 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

Module 1: System Startup and Shutdown 

This module explains how to manage startup and shutdown processes in Linux.

• Boot into non-graphical mode using GRUB
• Add a new startup service with System V
• Add a new startup services with system
• Run Shutdown vs. Halt vs. Reboot

Module 2: Linux Filetree System Layout 

This module explains how the Linux Filesystem is organized and points out the key directories and their roles.

• Change size of the default directories
• Touring the /proc Filesystem

Module 3: Kernel Services and Configuration

This module explains how the Linux Kernel is configured, how the modules and utilities work, the function of sysctl and udev and Device Management.

• Manipulating system tunables with sysctl.
• Changing the maximum process ID.
• Working with Kernel modules.
• Working with udev

Module 4: Partitioning and Formatting Disks 

This module explains how to work with disks in Linux by naming, partitioning and sizing them.

• Using a file as a disk partition image
• Partioning a Disk Image file
• Using losetup and parted
• Partitioning a real hard disk

Module 5: Linux Filesystems 

This module explains how to work with Linux Filesystems, starting with the understanding that Linux treats everything as a file. IT covers Virtual filesystem (VFS), Filesystem Usage and Attributes, Major types (ext4, XFS, btrfs) and how to create, format, mount, swap and repair Filesystems.

• Defragmenting a system.
• Modifying Filesystem parameters using tune2fs.
• Working with file attributes.
• Mounting options.
• Managing swap space.
• Filesystem quotas.
• Working with XFS
• Working with btrfs

Module 6: RAID and LVM

This module explains how to work with RAID and Logical Volume Management (LVM).

• Creating a RAID device
• Creating Logical Volumes

Module 7: Processes

This module explains how to work with Linux processes. It begins with an overview of what processes are and how they work before procreding to illustrate how to create, monitor, prioritize and limit processes.

• Controlling processes with ulimit
• Using ps and top
• Monitoring process states
• Examining signal priorities and execution

Module 8: Package Management Systems

This module explains how to work with the major package management systems used in Linux distributions. Covers both RPM and DKPG as well as the use of version control systems such as git.

• Using RPM
• Rebuilding the RPM database
• Using DKPG
• Version control with git

Module 9: Package Installers

This module explains how to use the major package installers, including yum, zypper and APT. It also explains the role that package installers play in automating software management and dealing with dependencies.

• Basic yum commands
• Using yum to find information about a package
• Managing groups of packages with yum
• Adding a new yum repository
• Basic zypper commands
• Using zypper to find information about a package
• Basic APT commands
• Using APT to find information about a package
• Managing groups of packages using APT

Module 10: User and Group Account Management

This module explains how to work with users and groups in Linux. It also covers how to work with passwords, restricted shells, the root account, Pluggable Authentication Modules (PAM), LDAP and SSH.

• Working with user accounts
• Working with groups
• Configuring PAM
• Using chmod

Module 11: Backup and Recovery Methods 

This module explains how to backup data in Linux. It covers the tools that are used for backup and compression as well as for moving and copying files and also for restoring files.

• Using tar for backup
• Using cpio for backup
• Using rsync for backup

Module 12: Networking

This module explains how to conduct basic networking in Linux. It covers IP addresses, Hostnames, Network Interfaces, Routing and Name Resolution.

• Static configuration of a network interface
• Adding a static hostname
• Adding a network interface alias

Module 13: Firewalls 

This module explains how to work with firewalls in Linux. It covers both command line tools and GUI tools as well as firewalld. Zones and source management are discussed, as is service and port management.

• Installing firewalld
• Examining firewall-cmd
• Adding services to a zone
• Using the firewall GUI

Module 14: Local System Security 

This module explains how to secure systems against both internal and external threats. It covers how to identify risks and provides guidance on how to decide what protection is appropriate. Finally, it covers the basic types of security available (physical, filesystem, and security modules e.g. SELinux).

• Using SELinux
• Security and mount options
• Using umask
• Usint setuid and scripts

Module 15: Basic Troubleshoot and System Rescue

This module explains how to conduct troubleshooting in Linux as well as likely sources of issues. It covers basic concepts in system rescue and recovery and how to identify corrupted filesystems.

• Preparing to use Rescue/Recover media
• Recovering from a corrupted GRUB configuration
• Recovering from a password failure
• Recovering from partition table corruption
• Recovering using the install image

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