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Red Hat System Administration I (RH124)

De eerste Red Hat-cursus voor nieuwe Linux-beheerders. Je leert de shell, bestanden, gebruikers, rechten, software, processen, services, het netwerk en SSH op Red Hat Enterprise Linux 10.

Cursus van
Red Hat
Cursuscode
RH124
Versie
RHEL 10.0
Lessen
140

Deze samenvattingen volgen de openbare inhoud van de cursus. Ik schreef elke les in mijn eigen woorden en testte de commando's op RHEL 10. Het is geen lesmateriaal van Red Hat. Volg de officiële cursus voor de volledige inhoud en de praktijklabs.

Volgende cursus: RH134

Delen en hoofdstukken

Deel 1

Beginnen met RHEL

  1. 1Get to know Red Hat Enterprise LinuxIntroduction to Red Hat Enterprise Linux6 lessen
    Lessen
    1. 1.1 Understand open source
    2. 1.2 Know what Linux is
    3. 1.3 Choose a distribution
    4. 1.4 Know what RHEL gives you
    5. 1.5 Get RHEL for free to learn
    6. 1.6 Check which system you run
  2. 2Log in and run commands in the shellAccessing the Command Line9 lessen
    Lessen
    1. 2.1 Log in on the console or in the desktop
    2. 2.2 Log in to another machine with SSH
    3. 2.3 Read the shell prompt
    4. 2.4 Type a command the right way
    5. 2.5 Run several commands on one line
    6. 2.6 Let Tab type for you
    7. 2.7 Repeat commands from the history
    8. 2.8 Edit the command line fast
    9. 2.9 Log out and end the session
  3. 3Find help in the local documentationGetting Help from Local Documentation7 lessen
    Lessen
    1. 3.1 Read a man page
    2. 3.2 Know the man page sections
    3. 3.3 Search the manual by keyword
    4. 3.4 Use --help and the shell's own help
    5. 3.5 Read info pages
    6. 3.6 Look in /usr/share/doc
    7. 3.7 Use the Red Hat documentation online
  4. 4Register a system for Red Hat supportRegistering Systems for Red Hat Support6 lessen
    Lessen
    1. 4.1 Know why you register
    2. 4.2 Register during the installation
    3. 4.3 Register with rhc
    4. 4.4 Register with subscription-manager
    5. 4.5 Register in the web console
    6. 4.6 Unregister a system
  5. 5Get AI help with RHEL LightspeedGetting AI-assisted Help with RHEL Lightspeed6 lessen
    Lessen
    1. 5.1 Know what RHEL Lightspeed does
    2. 5.2 Install the command-line assistant
    3. 5.3 Ask a question
    4. 5.4 Give a file or command output as context
    5. 5.5 Use chat sessions and history
    6. 5.6 Use the assistant in a safe way

Deel 2

Bestanden en tekst

  1. 6Find your way in the file systemNavigating the File-system Hierarchy6 lessen
    Lessen
    1. 6.1 Know the main folders
    2. 6.2 Use absolute and relative paths
    3. 6.3 Move between folders
    4. 6.4 List the content of a folder
    5. 6.5 Use wildcards to pick many files
    6. 6.6 Understand tilde, variables and command substitution
  2. 7Manage files from the command lineManaging Files from the Command Line7 lessen
    Lessen
    1. 7.1 Create files and folders
    2. 7.2 Copy files and folders
    3. 7.3 Move and rename
    4. 7.4 Delete files and folders
    5. 7.5 Make hard links and soft links
    6. 7.6 Find files
    7. 7.7 Look at file details
  3. 8Create, read and edit text filesEditing Text Files7 lessen
    Lessen
    1. 8.1 Read a file fast
    2. 8.2 Know the modes of vim
    3. 8.3 Save and quit in vim
    4. 8.4 Edit text in vim
    5. 8.5 Search and replace in vim
    6. 8.6 Use nano for quick edits
    7. 8.7 Write a file from the shell
  4. 9Redirect input and output in the shellRedirecting Shell Input and Output7 lessen
    Lessen
    1. 9.1 Know the three data channels
    2. 9.2 Send output to a file
    3. 9.3 Handle error messages
    4. 9.4 Read input from a file
    5. 9.5 Connect commands with pipes
    6. 9.6 Save and show at the same time with tee
    7. 9.7 Join output with command substitution

Deel 3

Gebruikers en toegang

  1. 10Manage local users and groupsManaging Local Users and Groups7 lessen
    Lessen
    1. 10.1 Know the kinds of users
    2. 10.2 Read the user database files
    3. 10.3 Become root with su and sudo
    4. 10.4 Give admin rights with sudo
    5. 10.5 Create, change and delete users
    6. 10.6 Manage groups
    7. 10.7 Set password rules
  2. 11Control access to filesControlling Access to Files8 lessen
    Lessen
    1. 11.1 Read the permission string
    2. 11.2 Know what r, w and x do
    3. 11.3 Change rights with numbers
    4. 11.4 Change rights with letters
    5. 11.5 Change the owner and the group
    6. 11.6 Set default rights with umask
    7. 11.7 Use the special rights
    8. 11.8 Build a shared team folder

Deel 4

Software en media

  1. 12Install and update software with RPM and DNFInstalling and Updating Software with RPM8 lessen
    Lessen
    1. 12.1 Understand packages and repositories
    2. 12.2 Find a package
    3. 12.3 Install, update and remove
    4. 12.4 Install package groups
    5. 12.5 Read the history and undo
    6. 12.6 Add your own repository
    7. 12.7 Query packages with rpm
    8. 12.8 Check packages for changes
  2. 13Install desktop apps with FlatpakInstalling and Updating Applications by Using Flatpak6 lessen
    Lessen
    1. 13.1 Know when to use Flatpak
    2. 13.2 Add the Red Hat Flatpak remote
    3. 13.3 Find and install an app
    4. 13.4 Run, update and remove apps
    5. 13.5 Check the rights of an app
    6. 13.6 Use the graphical tool
  3. 14Use USB disks, ISO files and other removable mediaAccessing Removable Media7 lessen
    Lessen
    1. 14.1 Understand mounting
    2. 14.2 Find the new device
    3. 14.3 Mount by hand on a server
    4. 14.4 Mount it in the desktop
    5. 14.5 Read an ISO file without a DVD
    6. 14.6 Remove the media safely
    7. 14.7 Prepare a stick for Linux and Windows

Deel 5

Processen en services

  1. 15Monitor and control processesMonitoring and Managing Linux Processes7 lessen
    Lessen
    1. 15.1 Know what a process is
    2. 15.2 List processes with ps
    3. 15.3 Watch live with top
    4. 15.4 Read the load average
    5. 15.5 Control jobs in the shell
    6. 15.6 Stop processes with signals
    7. 15.7 Log out other users
  2. 16Control services and daemons with systemdControlling Services and Daemons7 lessen
    Lessen
    1. 16.1 Know systemd and units
    2. 16.2 Read the status of a service
    3. 16.3 Start, stop and restart
    4. 16.4 Enable a service at boot
    5. 16.5 Block a service with mask
    6. 16.6 Find why a service fails
    7. 16.7 Know where unit files live

Deel 6

Netwerk en SSH

  1. 17Understand and check the networkIntroduction to Networking8 lessen
    Lessen
    1. 17.1 Know the layers of TCP/IP
    2. 17.2 Understand IPv4 addresses
    3. 17.3 Understand IPv6 addresses
    4. 17.4 Show addresses and cards
    5. 17.5 Check the routes and the gateway
    6. 17.6 Test the connection
    7. 17.7 Check ports and services
    8. 17.8 Check names and DNS
  2. 18Set up the network with NetworkManagerManaging Network Configuration9 lessen
    Lessen
    1. 18.1 Know devices and connection profiles
    2. 18.2 Set a fixed IPv4 address
    3. 18.3 Add or remove one setting
    4. 18.4 Set an IPv6 address
    5. 18.5 Make a new profile
    6. 18.6 Use nmtui or the web console
    7. 18.7 Know where the profiles are saved
    8. 18.8 Set the host name
    9. 18.9 Make names work without DNS
  3. 19Set up and secure SSHConfiguring and Securing SSH7 lessen
    Lessen
    1. 19.1 Log in and run remote commands
    2. 19.2 Trust host keys
    3. 19.3 Make a key pair
    4. 19.4 Log in with the key
    5. 19.5 Use the agent for the passphrase
    6. 19.6 Save settings in the client config
    7. 19.7 Secure the SSH server

Deel 7

Herhaling

  1. 20Review everything you learnedComprehensive Review5 lessen
    Lessen
    1. 20.1 Shell, help and files
    2. 20.2 Users, groups and rights
    3. 20.3 Software, media, processes and services
    4. 20.4 Network and SSH
    5. 20.5 Plan your next step

Wat je leert

De belangrijkste vaardigheden van de cursus en het hoofdstuk waar je ze leert.

Werken op de commandoregel

Bestanden beheren

Gebruikers en beveiliging

Het systeem draaien