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GL124 – RED HAT ENTERPRISE LINUX SYSTEMS ADMIN I Oktober
11. Oktober 2021 - 15. Oktober 2021
Gratis
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
-
- ACCESS THE COMMAND LINE
- Components of a Distribution
- Red Hat Linux Products
- Logging In
- Running Programs
- Interacting with Command Line
- Desktop Environments
- GNOME
- got root?
- Switching User Contexts
- sudo
LAB TASKS
- Login and Discovery
- Switching Users With su
- MANAGE FILES FROM THE COMMAND LINE
- Managing Files Graphically
- Drag and drop with Nautilus
- Physical Unix File Structure
- Unix/Linux Filesystem Features
- Navigating the Filesystem
- Displaying Directory Contents
- Directory Manipulation
- File Manipulation
- Deleting and Creating Files
- Filesystem Links
LAB TASKS
- Navigating Directories and Listing Files
- Manipulating Files and Directories
- GET HELP IN A TEXTUAL ENVIRONMENT
- Gathering Login Session Info
- Red Hat Online Documentation
- Getting Help Within the Graphical Desktop
- Gathering System Info
- Help from Commands and Documentation
- Getting Help with man & info
- $MANPATH, whatis and apropos
LAB TASKS
- Help with Commands
- CREATE, VIEW, AND EDIT TEXT FILES
- The gedit Text Editor
- Pico/GNU Nano
- Pico/Nano Interface
- Nano configuration
- Pico/Nano Shortcuts
- Communication Channels
- File Redirection
- Piping Commands Together
- The Streaming Editor
- Text Processing with Awk
- Producing File Statistics
- Replacing Text Characters
- Text Sorting
- Duplicate Removal Utility
- Extracting Columns of Text
- Combining Files and Merging Text
- Comparing File Changes
LAB TASKS
- Text Editing with Nano
- Text Processing
- MANAGE LOCAL LINUX USERS AND GROUPS
- User and Group Concepts
- User Administration
- Modifying Accounts
- Group Administration
- User Private Group Scheme
- Password Aging
LAB TASKS
- User and Group Administration
- User Private Groups
- CONTROL ACCESS TO FILES WITH LINUX FILE SYSTEM PERMISSIONS
- File Ownership
- File and Directory Permissions
- SUID and SGID on files
- SGID and Sticky Bit on Directories
- Changing File Permissions
LAB TASKS
- File and Directory Ownership and Permissions
- MONITOR AND MANAGE LINUX PROCESSES
- What is a Process?
- Process States
- Viewing Processes
- System Status – CPU
- System Status – Memory
- Signals
- Tools to Send Signals
- Managing Processes
- Tuning Process Scheduling
- Job Control Overview
- Job Control Commands
LAB TASKS
- Job Control Basics
- Process Management Basics
- CONTROL SERVICES AND DAEMONS
- init
- Linux Runlevels Aliases
- systemd System and Service Manager
- systemd Targets
- Using systemd
- Legacy Support for SysV init
LAB TASKS
- Managing Services With Systemd’s systemctl
- Creating a systemd unit file
- CONFIGURE AND SECURE OPENSSH SERVICE
- Secure Shell
- OpenSSH Client & Server Configuration
- Accessing Remote Shells
- Transferring Files
- Alternative sftp Clients
- SSH Key Management
- ssh-agent
LAB TASKS
- Introduction to ssh and scp
- SSH Key-based User Authentication
- Using ssh-agent
- ANALYZING AND STORING LOGS
- System Logging
- systemd Journal
- systemd Journal’s journalctl
- Secure Logging with Journal’s Log Sealing
- Cockpit – Logs
- Syslog-ng
- Rsyslog
- /etc/rsyslog.conf
- Log Management
- Log Anomaly Detector
- Hardware and System Clock
- Time Synchronization with Chronyd
LAB TASKS
- Using the systemd Journal
- Setting up a Full Debug Logfile
- Remote Syslog Configuration
- MANAGE RED HAT ENTERPRISE LINUX NETWORKING
- IPv4 Fundamentals
- TCP/UDP Fundamentals
- IPv6
- Linux Network Interfaces
- Ethernet Hardware Tools
- Network Configuration with ip Command
- Starting and Stopping Interfaces
- Configuring Routing Tables
- IP to MAC Address Mapping with ARP
- DNS Clients
- DHCP Clients
- Continual Time Sync with NTP
- Network Diagnostics
- NetworkManager
LAB TASKS
- Network Discovery
- Basic Client Networking
- Introduction to Troubleshooting Labs
- Troubleshooting Practice: Networking
- ARCHIVE AND COPY FILES BETWEEN SYSTEMS
- Archives with tar
- Archives with cpio
- The gzip Compression Utility
- The bzip2 Compression Utility
- The XZ Compression Utility
- The PKZIP Archiving/Compression format
LAB TASKS
- Archiving and Compression
- Using rsync and ssh for Backups
- INSTALL AND UPDATE SOFTWARE PACKAGES
- Managing Software
- RPM Features
- RPM Architecture
- RPM Package Files
- Working With RPMs
- Querying and Verifying with RPM
- Managing Software Dependencies
- Using the Yum command
- Yum package groups
- Updating the Kernel RPM
- Dealing With RPM & Yum Digest Changes
- Yum Repositories
- Yum Repository Groups
- Yum Plugins & RHN Subscription Manager
- Yum Version Lock Plugin
LAB TASKS
- Managing Software with RPM
- Querying the RPM Database
- Using Yum
- ACCESS LINUX FILE SYSTEMS
- Filesystem Creation
- Mounting Filesystems
- Mounting Filesystems
- Filesystem Maintenance
- Managing an XFS Filesystem
- Persistent Block Devices
- Filesystem Structures
- Determining Disk Usage With df and du
- Filesystem Table (/etc/fstab)
LAB TASKS
- Creating and Managing Filesystems
- MANAGE VIRTUAL MACHINES
- Introducing libvirt
- libvirt: Basic Concepts
- libvirt: Storage Architecture
- libvirt: Network Architecture
- libvirt: Graphical Tools
- libvirt: Command Line Tools
- virsh: Basics
- virsh: Common Tasks
- virt-install
- Virtual Machine Guest Tools & Drivers
- libguestfs and guestfish
LAB TASKS
- Installing a Virtual Machine
- COMPREHENSIVE REVIEW
- System Administration I
LAB TASKS
- Understand And Use Essential Tools
- Operate Running Systems
- Users, Groups, and File Permissions
- ACCESS THE COMMAND LINE