LFS301 Linux für Administratoren

Linux system administration is one of the most in-demand skills in IT. Whether you're looking for expert test prep for the Linux Foundation Certified System Administration certification, need training to help start a new Linux IT career, transition 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 course gives you all the skills and information you need to pass the LFCS exam and work as a professional Linux system administrator.

In this course you’ll 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.
  • And more.

Voraussetzungen

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.

Inhalt

Introduction

  • Linux Foundation
  • Linux Foundation Training
  • Laboratory Exercises
  • Distribution Details
  • Obtaining Class Solutions and Resources
  • Registration

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

Linux Filesystem Tree 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

Kernel Services and Configuration

  • Kernel Overview
  • Kernel Configuration
  • sysctl
  • Kernel Modules
  • Module Utilities
  • Module Configuration
  • udev and Device Management

Partitioning and Formatting Disks

  • Common Disk Types
  • Disk Geometry
  • Partitioning
  • Naming Disk Devices
  • Sizing up partitions
  • Partition table editors

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

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

Processes

  • Programs and Processes
  • Process States
  • Execution Modes
  • Daemons
  • Creating Processes
  • Process Limits
  • Process Monitoring
  • Signals
  • niceness
  • Libraries

Package Management Systems

  • Software Packaging Concepts
  • RPM (Red Hat Package Manager)
  • DPKG (Debian Package)
  • Revision Control Systems

Package Installers

  • Package Installers
  • yum
  • zypper
  • APT

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

Backup and Recovery Methods

  • Backup Basics
  • cpio
  • tar
  • Compression: gzip, bzip2 and xz and Backups
  • dd
  • rsync
  • dump and restore
  • mt
  • Backup Programs

Networking

  • IP Addresses
  • Hostnames
  • Configuring Network Interfaces
  • Routing
  • Name Resolution
  • Network Diagnostics

Firewalls

  • Firewalls
  • Interfaces
  • firewalld
  • Zones
  • Source Management
  • Service and Port Management

Local System Security

  • Local System Security
  • Creating a Security Policy
  • Updates and Security
  • Physical Security
  • Filesystem Security
  • Linux Security Modules

Basic Troubleshooting 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

Evaluation Survey

Kurszeiten

Wer möchte, reist bis 22 Uhr am Vortag an und nutzt den Abend bereits zum Fachsimpeln am Kamin oder im Park.

An den Kurstagen dann von 9-18 Uhr (mit 2 Kaffee- und 1 Mittagspause) etwa 60% Schulungen und 40% Übungen. Selbstverständlich arbeitet jeder Teilnehmer am von uns gestellten Notebook oft parallel zum Referenten mit.

Anschließend Abendessen und Angebote für Fachsimpeln, Ausflüge uvm. Wir schaffen eine Atmosphäre, in der Fachleute sich ungezwungen austauschen. Wer das nicht will, wird zu nichts gezwungen und findet auch jederzeit Ruhe.