55187 Linux System Administration

This hands-on 4-day Linux System Administration course teaches attendees how to administer, configure

and upgrade Linux systems running one of the three major Linux distribution families (Red Hat, SUSE,

Debian/Ubuntu). Focused on enterprise environments, it provides Linux system administrators with all the

tools and concepts needed to efficiently build and manage a production Linux infrastructure. This course

presents state-of-the-art techniques used in the industry and applies them in the context of practical labs.

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Learning 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, tunneling 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, physical volumes, ACLs, quotas and clustering.

     

    Course Details

    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
  • Actual course outline may vary depending on offering center. Contact your sales representative for more information.

    Who is it For?

    Target Audience

    This course is intended for System administrators and users who already have at least some basic exposure to Linux or another UNIX-based operating system constitute the target audience for this class. Anyone who is looking to acquire practical knowledge in the field of system administration in enterprise environments will save significant time

    by attending this course. It should also be considered a necessary step to be taken by anyone considering more advanced classes in our System Administration curriculum track. The concepts covered provide important building blocks for anyone looking to attend more advanced classes, in particular LFS311: Linux Network Management.

    Other Prerequisites

    Knowledge of the basic components of Linux.

    Familiarity with text editors.

    Working knowledge of Bash scripting.

    55187 Linux System Administration

    $2,396 | This course is SATV-Eligible
    Course Length : 4 Days (32 Hours)
     

    1. Choose a Date | 2. Click Enroll Now

    Need Help Picking the Right Course? Give us a call! 954-572-8600