Linux Essentials Summary Version 1.6 To 2.0

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Revision as of 08:37, 4 March 2026 by FabianThorns (talk | contribs) (Created page with " * '''Topic 1: The Linux Operating System and Open Source Software''' (renamed from Topic 1: The Linux Community and a Career in Open Source) ** '''1.1 Linux Distributions''' (renamed from 1.1 Linux Evolution and Popular Operating Systems) *** Changed to better reflect Linux distribution families, include support schemas and Linux components (kernelspace and userspace) *** Updated description *** Added 'Kernel and userspace' *** Added 'Distribution life cycle management'...")
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  • Topic 1: The Linux Operating System and Open Source Software (renamed from Topic 1: The Linux Community and a Career in Open Source)
    • 1.1 Linux Distributions (renamed from 1.1 Linux Evolution and Popular Operating Systems)
      • Changed to better reflect Linux distribution families, include support schemas and Linux components (kernelspace and userspace)
      • Updated description
      • Added 'Kernel and userspace'
      • Added 'Distribution life cycle management' (moved from 4.1)
      • Added 'Awareness of Android and its relation to Linux'
      • Replaced individual distribution names with distribution family groupings:
        • Added 'Debian-based Distributions (Debian GNU/Linux, Ubuntu, Raspberry Pi OS)' — replaces 'Debian, Ubuntu (LTS)' and 'Raspberry Pi, Raspbian'
        • Added 'Enterprise Linux-based Distributions (Red Hat Enterprise Linux, AlmaLinux, Rocky Linux, Fedora Linux, CentOS Stream)' — replaces 'CentOS, Red Hat'
        • Added 'SUSE-based Distributions (SUSE Linux Enterprise, openSUSE Leap, openSUSE Tumbleweed)' — replaces 'openSUSE, SUSE'
        • Added 'Alpine Linux (main and edge)'
        • Added 'Long-Term Support (LTS), stable, testing and unstable releases, and rolling releases'
        • Removed 'Linux Mint, Scientific Linux'
        • Removed 'Android' (covered by new KKA instead)
    • 1.2 Major Open Source Applications
      • Updated description to clarify that awareness of purpose and features is required, not specific usage or installation details
      • Changed 'Development languages' to 'Programming languages'
      • Added 'Web applications'
      • Added 'Software packages and repositories'
      • Added (awareness level) 'Chromium / Chrome, Codium / VS Code, Inkscape, VLC, GPG, R'
      • Added (awareness level) 'Kodi, Jitsi, Big Blue Button, Moodle, Git, GitLab, Forgejo / Gitea'
      • Added (awareness level) 'PostgreSQL'
      • Added (awareness level) 'C++, Rust, Go'
      • Added 'apt, dnf, zypper, apk'
      • Removed 'OpenOffice.org'
      • Removed 'Perl, shell'
    • 1.3 Open Source Software and Licensing
      • Updated description to add digital autonomy and digital sovereignty
      • Editorial changes to the description
      • Changed 'Open source licensing' to 'Open source and open content licensing'
      • Added 'Proprietary software'
      • Added: 'Free software'
      • Added: 'Digital autonomy', 'Digital sovereignty'
      • Removed: 'FOSS, FLOSS', 'Open source business models'
    • 1.4 Linux Usage (renamed from 1.4 ICT Skills and Working in Linux)
      • Changed to focus on various kinds of system that run Linux as well as securely accessing remote system, such as cloud providers
      • Updated description
      • Added 'Understanding types of computers that can run Linux'
      • Added 'Awareness of virtualization, containers and cloud computing'
      • Added 'Awareness of common text editors'
      • Added 'Awareness of configuration management tools'
      • Added 'Secure handling of credentials'
      • Added 'Secure transfer and storage of data'
      • Added 'Desktop computers, laptops and other mobile devices'
      • Added 'Server computers, virtual machines and cloud instances'
      • Added 'Embedded systems and HPC clusters'
      • Added 'Client and server roles'
      • Added 'vi, nano'
      • Added 'Strong password, password managers, multi-factor authentication, passkeys'
      • Added 'Encryption in network protocols (HTTPS), storage media'
      • Added 'Secure handling of USB devices'
      • Removed 'Desktop skills'
      • Removed 'Getting to the command line'
      • Removed 'Industry uses of Linux, cloud computing and virtualization'
      • Removed 'Using a browser, privacy concerns, configuration options, searching the web and saving content'
      • Removed 'Terminal and console'
      • Removed 'Password issues'
      • Removed 'Privacy issues and tools'
      • Removed 'Use of common open source applications in presentations and projects'
  • Topic 2: Command Line Basics (renamed from Topic 2: Finding Your Way on a Linux System)
    • 2.1 Command Line Usage (renamed from 2.1 Command Line Basics)
      • Editorial changes to the description
      • Added to utilities: '/bin, /usr/bin, /usr/sbin, /sbin'
    • 2.2 Documentation, Man Pages and Usage Information (renamed from 2.2 Using the Command Line to Get Help)
  • Updated to include parameters for querying usage information and removed info pages and locate
      • Updated Description
      • Added 'Common help parameters of command line tools'
      • Added '-h, --help'
      • Removed 'Info pages'
      • Removed 'info', 'locate'
    • 2.3 Files, Directories and Paths (renamed from 2.3 Using Directories and Listing Files)
      • Changed to include find
      • Updated description
      • Added 'Searching for files based on file names'
      • Added to utilities: 'find'
      • Added /' (root path)
      • Changed 'home' to '/home'
    • 2.4 File and Directory Management (renamed from 2.4 Creating, Moving and Deleting Files)
      • Editorial changes to the description
  • Topic 3: Data Processing (renamed from Topic 3: The Power of the Command Line)
    • 3.1 File Archives and Compression (renamed from 3.1 Archiving Files on the Command Line)
      • Editorial changes to the description
    • 3.2 Redirections and String Processing (renamed from 3.2 Searching and Extracting Data from Files)
      • Changed to use Extended Regular Expressions instead of Basic Regular Expressions
      • Updated Desscription
      • Added 'grep -E'
      • Added 'uniq'
    • 3.3 Shell Scripting Basics (renamed from 3.3 Turning Commands into a Script)
      • Editorial changes to the description
      • Changed 'for loops' to 'for loops (iterate over space separated lists and file glob expressions)'
      • Added 'if conditions (file existence and variable equality)'
      • Removed 'Awareness of common text editors (vi and nano)' (now in to 1.4)
  • Topic 4: Linux System Administration Basics' (renamed from Topic 4: The Linux Operating System)
    • 4.1 Linux Installation and Provisioning (renamed from 4.1 Choosing an Operating System)
      • Updated cover the installation of Linux on physical machines, VMs and cloud instances
      • Added 'Installing Linux on a computer or in a virtual machine'
      • Added 'Using Linux in cloud instances'
      • Changed 'OS X' to 'macOS'
      • Added 'Installation media, ISO files'
      • Added 'Operating system images'
      • Added 'Dual boot'
      • Added 'Windows Subsystem for Linux'
      • Removed 'Distribution life cycle management' (now in 1.1)
      • Removed 'GUI versus command line, desktop configuration'
      • Removed 'Maintenance cycles, beta and stable'
    • 4.2 Computer Hardware and Device Access (renamed from 4.2 Understanding Computer Hardware)
      • Changed to include kernel ascpects hardware management and device files
      • Updated description
      • Added Key Knowledge Area: 'Device files for physical and virtual devices'
      • Added 'processors (x86, ARM)' and 'memory'
      • Added 'Network interface cards (Ethernet, WiFi)'
      • Added '/dev/nvme*'
      • Added 'Raspberry Pi'
      • Changed 'Drivers' to 'Drivers and Kernel Modules'
      • Added '/dev/, /boot/, /sys/'
      • Added '/dev/null, /dev/zero, /dev/urandom'
    • 4.3 Processes and Log Messages (renamed from 4.3 Where Data is Stored)
      • Changed to include systemd service management and journal querying and remove syslog
      • Updated description
      • Added 'Services'
      • Added 'systemctl (start, stop, status)'
      • Added 'systemd Journal'
      • Added 'journalctl'
      • Removed 'System messaging'
      • Removed 'Memory addresses'
      • Removed 'syslog'
      • Removed '/boot/, /dev/, /sys/'
    • 4.4 Network Configuration (renamed from 4.4 Your Computer on the Network)
      • Changed to include IPv6 and remove net-utils
      • Updated description
      • Added 'Automatic network configuration'
      • Added 'ip -6 route show'
      • Added 'resolvectl'
      • Added 'DHCP, SLAAC, DHCPv6'
      • Removed 'route'
      • Removed 'ifconfig'
      • Removed 'netstat'
  • Topic 5: Security and File System Permissions (renamed from Topic 5: Security and File Permissions)
    • 5.1 Remote Logins, File Transfers and Elevated Permissions (renamed from 5.1 Basic Security and Identifying User Types)
      • Changed to focusing on SSH, remote access and privilege escalation, user management aspects were moved to 5.2.
      • Updated description
      • Added 'Executing commands with elevated permissions'
      • Added 'Remote logins using SSH'
      • Added 'SSH key generation and authentication'
      • Added 'ssh, scp'
      • Added 'ssh-keygen'
      • Added '~/.ssh/authorized_keys'
      • Removed '/etc/passwd, /etc/shadow, /etc/group' (now in 5.2)
      • Removed 'id, last, who, w' (not in 5.2)
    • 5.2 Creating Users and Groups → renamed to 5.2 User and Group Management
      • Editorial changes to the description
      • Added 'w, last, wtmpdb last'
    • 5.3 File System Permissions and Ownership (renamed from 5.3 Managing File Permissions and Ownership)
      • Editorial changes to the description
      • (no content changes)
    • 5.4 Special Directories and Files
      • Editorial changes to the description
      • (no content changes)
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