Dieser GL124-Kurs ist so konzipiert, dass er einem identischen Themenkomplex wie der Red Hat® RH124-Kurs enhält und mit zusätzlichen Laborübungen und detailliertem Vortragsmaterial punktet.

Die Themen für Red Hat Enterprise Linux (RHEL) Systemadministration, die in diesem Kurs zusammen mit dem GL134-Kurs behandelt werden, decken die Zertifizierungsanforderungen der Prüfung zum Red Hat Certified System Administrator (RHCSA) ab.

Zu den behandelten Themen gehört der Umgang mit Kommandozeilen-Tools, die Installation von RHEL, Techniken der Remote-Administration, die Verwaltung von lokalem Speicher, Systemüberwachung, grundlegende Benutzer- und Sicherheitsfragen, Administration, Anbindung an Netzwerke und die Einrichtung von FTP- und Webservern.

Red Hat® ist ein eingetragenes Warenzeichen von Red Hat.

Voraussetzungen: Grundlegende Computerkenntnisse jedoch nicht zwingend Erfahrung mit Linux oder Unix
Distribution: Centos 8 / Red Hat Enterprise Linux 8
Dauer: 5 Tage
Kosten: 2500.- zuzüglich MwSt

Inhalt

1. 1. ACCESS THE COMMAND LINE
      1. Components of a Distribution
      2. Red Hat Linux Products
      3. Logging In
      4. Running Programs
      5. Interacting with Command Line
      6. Desktop Environments
      7. GNOME
      8. got root?
      9. Switching User Contexts
      10. sudo

      LAB TASKS

      1. Login and Discovery
      2. Switching Users With su
   2. MANAGE FILES FROM THE COMMAND LINE
      1. Managing Files Graphically
      2. Drag and drop with Nautilus
      3. Physical Unix File Structure
      4. Unix/Linux Filesystem Features
      5. Navigating the Filesystem
      6. Displaying Directory Contents
      7. Directory Manipulation
      8. File Manipulation
      9. Deleting and Creating Files
      10. Filesystem Links

      LAB TASKS

      1. Navigating Directories and Listing Files
      2. Manipulating Files and Directories
   3. GET HELP IN A TEXTUAL ENVIRONMENT
      1. Gathering Login Session Info
      2. Red Hat Online Documentation
      3. Getting Help Within the Graphical Desktop
      4. Gathering System Info
      5. Help from Commands and Documentation
      6. Getting Help with man & info
      7. $MANPATH, whatis and apropos

      LAB TASKS

      1. Help with Commands
   4. CREATE, VIEW, AND EDIT TEXT FILES
      1. The gedit Text Editor
      2. Pico/GNU Nano
      3. Pico/Nano Interface
      4. Nano configuration
      5. Pico/Nano Shortcuts
      6. Communication Channels
      7. File Redirection
      8. Piping Commands Together
      9. The Streaming Editor
      10. Text Processing with Awk
      11. Producing File Statistics
      12. Replacing Text Characters
      13. Text Sorting
      14. Duplicate Removal Utility
      15. Extracting Columns of Text
      16. Combining Files and Merging Text
      17. Comparing File Changes

      LAB TASKS

      1. Text Editing with Nano
      2. Text Processing
   5. MANAGE LOCAL LINUX USERS AND GROUPS
      1. User and Group Concepts
      2. User Administration
      3. Modifying Accounts
      4. Group Administration
      5. User Private Group Scheme
      6. Password Aging

      LAB TASKS

      1. User and Group Administration
      2. User Private Groups
   6. CONTROL ACCESS TO FILES WITH LINUX FILE SYSTEM PERMISSIONS
      1. File Ownership
      2. File and Directory Permissions
      3. SUID and SGID on files
      4. SGID and Sticky Bit on Directories
      5. Changing File Permissions

      LAB TASKS

      1. File and Directory Ownership and Permissions
   7. MONITOR AND MANAGE LINUX PROCESSES
      1. What is a Process?
      2. Process States
      3. Viewing Processes
      4. System Status – CPU
      5. System Status – Memory
      6. Signals
      7. Tools to Send Signals
      8. Managing Processes
      9. Tuning Process Scheduling
      10. Job Control Overview
      11. Job Control Commands

      LAB TASKS

      1. Job Control Basics
      2. Process Management Basics
   8. CONTROL SERVICES AND DAEMONS
      1. init
      2. Linux Runlevels Aliases
      3. systemd System and Service Manager
      4. systemd Targets
      5. Using systemd
      6. Legacy Support for SysV init

      LAB TASKS

      1. Managing Services With Systemd’s systemctl
      2. Creating a systemd unit file
   9. CONFIGURE AND SECURE OPENSSH SERVICE
      1. Secure Shell
      2. OpenSSH Client & Server Configuration
      3. Accessing Remote Shells
      4. Transferring Files
      5. Alternative sftp Clients
      6. SSH Key Management
      7. ssh-agent

      LAB TASKS

      1. Introduction to ssh and scp
      2. SSH Key-based User Authentication
      3. Using ssh-agent
   10. ANALYZING AND STORING LOGS
       1. System Logging
       2. systemd Journal
       3. systemd Journal’s journalctl
       4. Secure Logging with Journal’s Log Sealing
       5. Cockpit – Logs
       6. Syslog-ng
       7. Rsyslog
       8. /etc/rsyslog.conf
       9. Log Management
       10. Log Anomaly Detector
       11. Hardware and System Clock
       12. Time Synchronization with Chronyd

       LAB TASKS

       1. Using the systemd Journal
       2. Setting up a Full Debug Logfile
       3. Remote Syslog Configuration
   11. MANAGE RED HAT ENTERPRISE LINUX NETWORKING
       1. IPv4 Fundamentals
       2. TCP/UDP Fundamentals
       3. IPv6
       4. Linux Network Interfaces
       5. Ethernet Hardware Tools
       6. Network Configuration with ip Command
       7. Starting and Stopping Interfaces
       8. Configuring Routing Tables
       9. IP to MAC Address Mapping with ARP
       10. DNS Clients
       11. DHCP Clients
       12. Continual Time Sync with NTP
       13. Network Diagnostics
       14. NetworkManager

       LAB TASKS

       1. Network Discovery
       2. Basic Client Networking
       3. Introduction to Troubleshooting Labs
       4. Troubleshooting Practice: Networking
   12. ARCHIVE AND COPY FILES BETWEEN SYSTEMS
       1. Archives with tar
       2. Archives with cpio
       3. The gzip Compression Utility
       4. The bzip2 Compression Utility
       5. The XZ Compression Utility
       6. The PKZIP Archiving/Compression format

       LAB TASKS

       1. Archiving and Compression
       2. Using rsync and ssh for Backups
   13. INSTALL AND UPDATE SOFTWARE PACKAGES
       1. Managing Software
       2. RPM Features
       3. RPM Architecture
       4. RPM Package Files
       5. Working With RPMs
       6. Querying and Verifying with RPM
       7. Managing Software Dependencies
       8. Using the Yum command
       9. Yum package groups
       10. Updating the Kernel RPM
       11. Dealing With RPM & Yum Digest Changes
       12. Yum Repositories
       13. Yum Repository Groups
       14. Yum Plugins & RHN Subscription Manager
       15. Yum Version Lock Plugin

       LAB TASKS

       1. Managing Software with RPM
       2. Querying the RPM Database
       3. Using Yum
   14. ACCESS LINUX FILE SYSTEMS
       1. Filesystem Creation
       2. Mounting Filesystems
       3. Mounting Filesystems
       4. Filesystem Maintenance
       5. Managing an XFS Filesystem
       6. Persistent Block Devices
       7. Filesystem Structures
       8. Determining Disk Usage With df and du
       9. Filesystem Table (/etc/fstab)

       LAB TASKS

       1. Creating and Managing Filesystems
   15. MANAGE VIRTUAL MACHINES
       1. Introducing libvirt
       2. libvirt: Basic Concepts
       3. libvirt: Storage Architecture
       4. libvirt: Network Architecture
       5. libvirt: Graphical Tools
       6. libvirt: Command Line Tools
       7. virsh: Basics
       8. virsh: Common Tasks
       9. virt-install
       10. Virtual Machine Guest Tools & Drivers
       11. libguestfs and guestfish

       LAB TASKS

       1. Installing a Virtual Machine
   16. COMPREHENSIVE REVIEW
       1. System Administration I

       LAB TASKS

       1. Understand And Use Essential Tools
       2. Operate Running Systems
       3. Users, Groups, and File Permissions