HB Computer Security | Aide Memoire

Introduction
Core Technical Skills
- Core Skills
  - Linux
    Getting to Know Linux
    Using the Shell
    Shells, Terminals, and Virtual Consoles
    Choose your Shell
    Shell Commands
    Non-PATH Commands
    Command History
    Command Line Editing
    Keystrokes for Navigating Command Lines
    Keystrokes for Editing Command Lines
    Keystrokes for Cutting and Pasting Text from within Command Lines
    Command Line Recall
    Keystrokes for Command Line Recall
    Connecting and Expanding Commands
    Piping Between Commands
    Sequential Commands
    Expanding Commands
    Shell Variables
    Common Shell Variables
    Aliases
    Create your Own Shell Environment
    Modification Ideas
    Navigating the Linux File System (LFS)
    Filesystem Commands
    Listing Files and Directories
    File Permissions and Ownership
    Modifying Permissions with chmod
    Modifying Default Permissions with umask
    Change File Ownership with chown
    Copying, Moving, and Removing Files
    Finding Files
    locate
    find
    grep
    Downloading Files
    axel
    wget
    curl
    User-Agent: Googlebot
    Working with Text Files
    Using vim and vi to Edit Text Files
    Starting with vi
    Adding Text
    Moving Around in the Text
    Text Manipulation
    System Administration
    Installing Linux
    Installing from Live Media
    Installing in the Enterprise
    Partitioning Hard Disks
    Tips for Creating Partitions
    Account Administration
    The root Account
    Becoming root with su
    sudo
    The /etc/sudoers File
    Granting sudo privileges
    visudo Guidance
    Useful sudo Hints
    Other Administrative Accounts
    Standard User Accounts
    Risks of userdel: Orphaned Files
    Graphical Remote Administration
    Cockpit
    Installation Guide
    Remote Desktop Protocol with xrdp
    Installation and Configuration
    Remote Desktop with vnc
    Installation and Configuration
    Running VNC as a System Service
    Managing Running Processes
    Listing Processes
    ps
    top
    htop
    Backgrounding and Foregrounding
    Starting a Background Process
    Using Foreground and Background Commands
    Killing and Recining Processes
    kill and killall
    Managing Software
    Managing Software from the Desktop
    Going Beyond the Limitations of Software Center
    Debian Packages
    Advanced Package Tool (apt)
    Repositories
    dpkg
    Shell Scripting
    Variables
    Command Substitution
    Arguments
    Reading User Input
    if, else, and elif
    BOOLEAN Logic
    Loops
    for Loops
    while Loops
    Functions
    Local Vs Global Variables
    Summary
    Securing Linux
  - Windows
    Security Hardening

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Securing Linux

This section concerns itself with the security hardening of Linux installations.

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Last updated 1 year ago