levanter

Intro to Programming Languages

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Commands

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Command Arguments

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Command History

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The Root Path

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Absolute Paths

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Changing position

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Changing to an Absolute Path

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Relative Paths

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Cat

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Ls

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Ls All

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Find

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Start Here

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Using the Terminal

Time of First Successful Submission: 2026-05-07 19:55:23

Using the VSCode Workspace

Time of First Successful Submission: 2026-05-07 19:57:53

Using the GUI Desktop

Time of First Successful Submission: 2026-05-07 20:00:02

Pasting into the Desktop

Time of First Successful Submission: 2026-05-07 20:01:50

Restarting Challenges

Time of First Successful Submission: 2026-05-07 20:45:11

Challenge Programs

Time of First Successful Submission: 2026-05-07 21:07:15

The Flag File

Time of First Successful Submission: 2026-05-07 21:20:16

Using Privileged Mode

Time of First Successful Submission: 2026-05-07 22:23:01

Persistent Home Directories - One

Time of First Successful Submission: 2026-05-07 22:34:17

Persistent Home Directories - Two

Time of First Successful Submission: 2026-05-07 22:42:17


Linux Luminarium

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Intro to Commands

Time of First Successful Submission: 2026-05-07 22:05:38

Intro to Arguments

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Command History

Time of First Successful Submission: 2026-05-07 22:08:39

The Root

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Program and absolute paths

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Position thy self

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Position elsewhere

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implicit relative paths, from /

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explicit relative paths, from /

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implicit relative path

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home sweet home

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cat: not the pet, but the command!

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catting absolute paths

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more catting practice

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grepping for a needle in a haystack

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comparing files

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listing files

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touching files

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removing files

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moving files

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copying files

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hidden files

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An Epic Filesystem Quest

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making directories

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finding files

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linking files

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Learning From Documentation

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Learning Complex Usage

Time of First Successful Submission: 2026-05-10 19:59:19

Reading Manuals

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Searching Manuals

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Searching For Manuals

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Helpful Programs

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Help for Builtins

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Matching with *

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Matching with ?

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Matching with []

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Matching paths with []

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Multiple globs

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Computing 101

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Your First Register

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Your First Syscall

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Exit Codes

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Building Executables

Time of First Successful Submission: 2026-05-09 06:19:14

Moving Between Registers

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Loading From Memory

Time of First Successful Submission: 2026-05-10 19:44:02

More Loading Practice

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Dereferencing Pointers

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Dereferencing Yourself

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Dereferencing with Offsets

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Stored Addresses

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Double Dereference

Time of First Successful Submission: 2026-05-11 18:05:00

The Stack

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Stack Offsets

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Program Arguments on the Stack

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Popping From the Stack

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Disassembling Programs

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Tracing Syscalls

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Starting GDB

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Quitting GDB

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Starting Programs in GDB

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Disassembling in GDB

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Stepping Through Instructions

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Reading Register Values

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Popping Stack Values

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Examining Memory

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Examining Stack Pointers

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Cooperative Debugging

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Writing Output

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Chaining Syscalls

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Writing Strings

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DSU Cyber Camps

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Using the Terminal

Time of First Successful Submission: 2026-05-07 19:55:23

Using the VSCode Workspace

Time of First Successful Submission: 2026-05-07 19:57:53

Using the GUI Desktop

Time of First Successful Submission: 2026-05-07 20:00:02

Pasting into the Desktop

Time of First Successful Submission: 2026-05-07 20:01:50

Connecting over SSH

Time of First Successful Submission: 2026-05-07 20:11:18

Restarting Challenges

Time of First Successful Submission: 2026-05-07 20:45:11

Challenge Programs

Time of First Successful Submission: 2026-05-07 21:07:15

The Flag File

Time of First Successful Submission: 2026-05-07 21:20:16

Using Privileged Mode

Time of First Successful Submission: 2026-05-07 22:23:01

Persistent Home Directories - One

Time of First Successful Submission: 2026-05-07 22:34:17

Persistent Home Directories - Two

Time of First Successful Submission: 2026-05-07 22:42:17


GCA CTF

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Using the Terminal

Time of First Successful Submission: 2026-05-07 19:55:23

Using the VSCode Workspace

Time of First Successful Submission: 2026-05-07 19:57:53

Using the GUI Desktop

Time of First Successful Submission: 2026-05-07 20:00:02

Pasting into the Desktop

Time of First Successful Submission: 2026-05-07 20:01:50

Connecting over SSH

Time of First Successful Submission: 2026-05-07 20:11:18

Restarting Challenges

Time of First Successful Submission: 2026-05-07 20:45:11

Challenge Programs

Time of First Successful Submission: 2026-05-07 21:07:15

The Flag File

Time of First Successful Submission: 2026-05-07 21:20:16

Using Privileged Mode

Time of First Successful Submission: 2026-05-07 22:23:01

Persistent Home Directories - One

Time of First Successful Submission: 2026-05-07 22:34:17

Persistent Home Directories - Two

Time of First Successful Submission: 2026-05-07 22:42:17