Bri21

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Intro to Programming Languages

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Commands

Time of First Successful Submission: 2026-07-09 17:01:53

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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Piping Echo

Time of First Successful Submission: 2026-07-10 12:06:15

Piping Stdout

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Piping Stdin

Time of First Successful Submission: 2026-07-10 12:15:39


Intro to Cybersecurity

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Path Traversal 1

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Start Here

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Using the Terminal

Time of First Successful Submission: 2026-07-09 12:21:48

Using the VSCode Workspace

Time of First Successful Submission: 2026-07-09 12:25:36

Using the GUI Desktop

Time of First Successful Submission: 2026-07-09 12:29:13

Pasting into the Desktop

Time of First Successful Submission: 2026-07-09 12:35:12

Restarting Challenges

Time of First Successful Submission: 2026-07-09 12:51:12

Challenge Programs

Time of First Successful Submission: 2026-07-09 12:54:20

The Flag File

Time of First Successful Submission: 2026-07-09 13:07:13

Using Privileged Mode

Time of First Successful Submission: 2026-07-09 13:24:06

Persistent Home Directories - One

Time of First Successful Submission: 2026-07-09 13:35:45

Persistent Home Directories - Two

Time of First Successful Submission: 2026-07-09 13:37:39


Linux Luminarium

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Intro to Commands

Time of First Successful Submission: 2026-07-09 17:01:53

Intro to Arguments

Time of First Successful Submission: 2026-07-09 17:03:13

Command History

Time of First Successful Submission: 2026-07-09 17:04:12

The Root

Time of First Successful Submission: 2026-07-09 17:06:06

Program and absolute paths

Time of First Successful Submission: 2026-07-09 17:07:30

Position thy self

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Position elsewhere

Time of First Successful Submission: 2026-07-09 17:17:41

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

Time of First Successful Submission: 2026-07-09 17:31:49

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

Time of First Successful Submission: 2026-07-09 17:38:17

comparing files

Time of First Successful Submission: 2026-07-09 17:41:37

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

Time of First Successful Submission: 2026-07-09 17:48:58

hidden files

Time of First Successful Submission: 2026-07-09 17:50:53

An Epic Filesystem Quest

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making directories

Time of First Successful Submission: 2026-07-09 18:14:02

finding files

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linking files

Time of First Successful Submission: 2026-07-09 19:16:58

Learning From Documentation

Time of First Successful Submission: 2026-07-09 19:22:54

Learning Complex Usage

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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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Mixing globs

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Exclusionary globbing

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Tab completion

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Multiple options for tab completion

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Tab completion on commands

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Redirecting output

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Redirecting more output

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Appending output

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Redirecting errors

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Redirecting input

Time of First Successful Submission: 2026-07-10 12:15:39

Grepping stored results

Time of First Successful Submission: 2026-07-10 12:18:18

Grepping live output

Time of First Successful Submission: 2026-07-10 12:19:41

Grepping errors

Time of First Successful Submission: 2026-07-10 12:22:53

Filtering with grep -v

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Filtering with sed

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Duplicating piped data with tee

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Process substitution for input

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Writing to multiple programs

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Split-piping stderr and stdout

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Named pipes

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Playing With Programs

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What's the password?

Time of First Successful Submission: 2026-07-10 13:08:00

... and again!

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Newline Troubles

Time of First Successful Submission: 2026-07-10 13:21:12

Reasoning about files

Time of First Successful Submission: 2026-07-10 13:22:44

Specifying Filenames

Time of First Successful Submission: 2026-07-10 13:23:57

Binary and Hex Encoding

Time of First Successful Submission: 2026-07-10 15:27:29

More Hex

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DSU Cyber Camps

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Using the Terminal

Time of First Successful Submission: 2026-07-09 12:21:48

Using the VSCode Workspace

Time of First Successful Submission: 2026-07-09 12:25:36

Using the GUI Desktop

Time of First Successful Submission: 2026-07-09 12:29:13

Pasting into the Desktop

Time of First Successful Submission: 2026-07-09 12:35:12

Connecting over SSH

Time of First Successful Submission: 2026-07-09 12:45:44

Restarting Challenges

Time of First Successful Submission: 2026-07-09 12:51:12

Challenge Programs

Time of First Successful Submission: 2026-07-09 12:54:20

The Flag File

Time of First Successful Submission: 2026-07-09 13:07:13

Using Privileged Mode

Time of First Successful Submission: 2026-07-09 13:24:06

Persistent Home Directories - One

Time of First Successful Submission: 2026-07-09 13:35:45

Persistent Home Directories - Two

Time of First Successful Submission: 2026-07-09 13:37:39


GCA CTF

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Using the Terminal

Time of First Successful Submission: 2026-07-09 12:21:48

Using the VSCode Workspace

Time of First Successful Submission: 2026-07-09 12:25:36

Using the GUI Desktop

Time of First Successful Submission: 2026-07-09 12:29:13

Pasting into the Desktop

Time of First Successful Submission: 2026-07-09 12:35:12

Connecting over SSH

Time of First Successful Submission: 2026-07-09 12:45:44

Restarting Challenges

Time of First Successful Submission: 2026-07-09 12:51:12

Challenge Programs

Time of First Successful Submission: 2026-07-09 12:54:20

The Flag File

Time of First Successful Submission: 2026-07-09 13:07:13

Using Privileged Mode

Time of First Successful Submission: 2026-07-09 13:24:06

Persistent Home Directories - One

Time of First Successful Submission: 2026-07-09 13:35:45

Persistent Home Directories - Two

Time of First Successful Submission: 2026-07-09 13:37:39


Pwntools Tutorials

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Level 0.0

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Level 1.0

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Level 1.1

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Level 2.0

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Level 2.1

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Level 2.2

Time of First Successful Submission: 2026-07-11 11:23:17

Level 2.3

Time of First Successful Submission: 2026-07-11 11:32:55

Level 2.4

Time of First Successful Submission: 2026-07-11 11:49:07

Level 2.5

Time of First Successful Submission: 2026-07-11 11:52:10

Level 2.6

Time of First Successful Submission: 2026-07-11 11:58:23

Level 3.0

Time of First Successful Submission: 2026-07-11 16:26:38

Level 4.0

Time of First Successful Submission: 2026-07-11 17:36:57