Linux for Beginners 2021 : Become Power User

explore linux fundamentals—binaries, directories, case sensitivity, and the home and root accounts—then learn scripting and interpreters like python and ruby via the terminal.

Log in to Kalila Unix as a normal user, explore the desktop with favorites and preinstalled apps, use the terminal for commands, and preview the home directory and file system.

Discover how to use the Linux terminal to find your present working directory with pwd, understand navigation between folders, and view file system structure from home to root.

Master the Linux change directory command (cd) to navigate the filesystem from the terminal, moving into and up directories like home and etc, and confirm your location with pwd.

Use ls to list directory contents, inspect folders and subdirectories, and reveal hidden files with -a, while -l shows owner, size, and last modified details.

Learn how to get help in Linux commands using --help and -h, and understand the convention of double dash for options and single dash for single-letter options.

Open the terminal and use the man command to view a command's manual page, which provides description and synopsis. Scroll with the end key and exit by pressing q.

Create and modify files and directories using cat with redirection and the touch command. Display, append, and manage file content to practice basic Linux file operations.

Master basic Linux file and directory operations using touch, mkdir, cp, mv, and rm to create, copy, rename, and remove files and directories in the terminal.

Master the export command in Linux to pass environment variables and functions to child processes, update the current session, and display exports with export -p.

Explore networking fundamentals for Linux, analyzing and managing networks with Linux tools, and learn how to connect to and interact with networks during network hacking adventures.

Explore how the IWK command reveals wireless device details such as the adapter IP address, ismat address, and mode, and indicates access point status and signal strength.

Learn to change a Linux host's IP address on a given interface using ifconfig and sudo, verify the new address, and apply changes to other interfaces as needed.

Learn to change Linux interface's IP address, netmask, and broadcast address, then spoof the MAC by bringing the interface down, applying a new MAC with ifconfig, and bringing it up.

Explore essential Linux file content commands, including head, tail, cat, and paging with more and less; learn how to display beginnings, endings, concatenate, and create files.

Open files in Linux using cat, less, more, head, and tail to view content, navigate large files, and learn practical command-line ways to display text.

Learn to edit Linux files using vim, nano, and ed; explore normal and insert modes, and saving and exiting.

Understand how packages bundle files and dependencies for Linux software, and explore three methods to install: package manager, Dubai based installation, and git based.

Learn to remove installed software from your linux system using apt-get remove, confirm the package status, and use purge to remove configuration files when needed.

Learn how to update and upgrade packages on Linux by using sudo and apt-get update, then upgrade, to keep software current from repositories.

Explore how distribution repositories supply software via the sources.list file, compare different repositories, and configure a backup repository and fallbacks for package installation.

Learn to install software with the synaptic package manager in a kuai-based installer; search, select, and apply to download and install packages, authenticating with your password.

Learn how to install software from GitHub by cloning repositories with git clone, copying the repository link, and verifying downloads in the Linux terminal.

Learn to view all running processes on a Linux system using the command line tool, and interpret the user, PID, CPU, memory, and the command column.

Filter a running process by name using grep with a msf console demo. See how to show only matching processes and view their CPU and memory usage.

Learn to manage Linux environment variables, including system-wide and shell variables, with proper VAR=value syntax and quotes to optimize your hacking setup.

learn to view and modify environment variables using the terminal with env or set, inspect default variables like HOME and Shell, and scroll through all variables with more.

Set and manage linux environment variables using export, declare a new variable with name=value, and view with env or echo $VAR; learn to unset and delete variables, noting case sensitivity.

Explore how Linux log files and logging systems capture events, errors, and security alerts, and learn to configure, examine, and audit logs to track activity and detect attacks.

Explore how syslog-style logging works on Debian-based Linux, locate and inspect log files, and learn to configure facilities, priorities, actions, and log rotation.

Discover how the Linux kernel acts as the system's central nervous system, managing hardware and services, and how loadable kernel modules extend drivers and system extensions, with rootkit risks.

Identify Linux kernel details with uname -a: distribution, version, architecture, and smp. Tune kernel options with sysctl, enable ip forwarding, and persist changes in /etc/sysctl.conf; manage modules with modprobe.

Explore how to inspect kernel modules with modinfo, identify dependencies and version info for Bluetooth hardware, and safely add or remove modules using modprobe and related commands.