LFCS Linux Foundation Certified System Administrator

Seminarinformationen

Seminar - Ziel

In diesem 4-tägigen Seminar „LFCS Linux Foundation Certified System Administrator“ lernen Sie, wie Sie Linux-Systeme mit einer der drei großen Linux-Distributionsfamilien verwalten, konfigurieren und aktualisieren: Debian/Ubuntu und Red Hat/CentOS/Fedora, die Herrschaft der Werkzeuge und Konzepte, die Sie für den effizienten Aufbau und die Verwaltung einer Linux-Infrastruktur in Unternehmen benötigen, die Arbeit mit Git und die Durchführung wichtiger kollaborativer Aufgaben, die Anwendung modernster Systemadministration Techniken in realen Szenarien durch praktische Übungen und vieles mehr. Der Kurs vermittelt Ihnen die Fähigkeiten und Kenntnisse, die auch in der Prüfung zum Linux Foundation Certified Systems Administrator (LFCS) geprüft werden, und befähigt Sie, eine Karriere als professioneller Linux-Systemadministrator aufzubauen. Die Prüfung und Schulungsunterlage stehen Ihnen in deutscher Sprache zur Verfügung.

Die Prüfungsgebühr ist nicht im Seminarpreis enthalten.Bei der Buchung eines Prüfungsvouchers ist ein zweiter Prüfungsversuch (Retake) kostenfrei inklusive.

Teilnehmer - Zielgruppe

• Systemadministratoren

Kurs - Voraussetzungen

Voraussetzung ist ein grundlegendes Verständnis von Linux und deren gängigsten Dienstprogrammen und Texteditoren.

Seminardauer

• 4 Tage
• 09:00 Uhr bis 17:00 Uhr

Schulungsunterlagen

• nach Absprache

Seminar-Inhalt / Agenda

Introduction

• The Linux Foundation
• The Linux Foundation Training
• The Linux Foundation Certifications
• The Linux Foundation Digital Badges
• The Linux Foundation Subscriptions
• Laboratory Exercises, Solutions and Resources
• Things Change in Linux and Open Source Projects
• E-Learning Course: LF207
• Distribution Details
• Labs

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

User Environment

• Environment Variables
• Command History
• Command Aliases
• Labs

User Account Management

• User Accounts
• Shell Startup Files
• Management of User Accounts
• Locked Accounts
• Passwords
• /etc/shadow
• Password Management
• Password Aging
• The root Account
• SSH
• Labs

Group Management

• Groups
• Group Membership
• Group Management
• User Private Groups
• Labs

File Permissions and Ownership

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

Package Management Systems

• Why Use Packages?
• Software Packaging Concepts
• 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

dpkg

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

APT

• APT
• APT Utilities
• Queries
• Installing/Removing/Upgrading Packages
• Cleaning Up
• Labs

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
• rpm2archive and rpm2cpio
• Labs

dnf and yum

• dnf
• yum
• Queries
• Installing/Removing/Upgrading Packages
• Additional dnf Commands
• Labs

zypper

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

GIT Fundamentals

• Revision Control
• Basic Commands
• Try some git commands
• Get Software with Git
• Labs

Processes

• Programs and Processes
• Process Limits
• Creating Processes
• Process Control
• Starting Processes in the Future
• Process States
• Execution Modes
• Daemons
• niceness
• Labs

Process Monitoring

• Process Monitoring
• Troubleshooting
• ps
• pstree
• top
• Labs

Memory Monitoring, Usage and Configuring Swap

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

I/O Monitoring

• I/O Monitoring
• iostat
• iotop
• Labs

Containers Overview

• Containers
• Containers vs Virtual Machines
• Docker
• Cowsay Example
• Reproducible Builds
• Labs

Linux Filesystems and the VFS

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

Disk Partitioning

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

Filesystem Features: Attributes, Creating, Checking, Usage, Mounting

• Extended Attributes
• Creating and formatting filesystems
• Troubleshooting Filesystems
• Checking and Repairing Filesystems
• Filesystem Usage
• Disk Usage
• Mounting filesystems
• NFS
• Mounting at Boot and /etc/fstab
• automount
• Network Block Devices
• Labs

The Ext4 Filesystems

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

Logical Volume Management (LVM)

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

Kernel Services and Configuration

• Kernel Overview
• Kernel Boot Parameters
• Kernel Command Line
• Boot Process Failures
• sysctl
• Labs

Kernel Modules

• Kernel Modules
• Module Utilities
• modinfo
• Module Configuration
• Labs

Devices and udev

• udev and Device Management
• Device Nodes
• Rules
• Labs

Network Addresses

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

Network Devices and Configuration

• Network Devices
• Predictable Network Interface Device Names
• Network Configuration Files
• Network Manager
• Routing
• Virtual Network Interfaces
• DNS and Name Resolution
• Network Troubleshooting
• Network Diagnostics
• Labs

LDAP **

• LDAP Authentication
• Labs **

Firewalls

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

System Init: systemd history and customization

• The init Process
• Startup Alternatives
• systemd
• systemctl
• Labs

Backup and Recovery Methods

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

Linux Security Modules

• Linux Security Modules
• SELinux
• AppArmor
• Labs

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

Closing and Evaluation Survey

• Evaluation Survey

Teil 2:

Prüfung zum LFCS Linux Systemadministration (auch in deutsch verfügbar)

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