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Intro to Programming Languages

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Commands

Time of First Successful Submission: 2026-08-07 10:58:02

Command Arguments

Time of First Successful Submission: 2026-08-07 11:10:00

Command History

Time of First Successful Submission: 2026-08-07 11:11:31

The Root Path

Time of First Successful Submission: 2026-08-07 11:15:04

Absolute Paths

Time of First Successful Submission: 2026-08-07 11:44:16

Changing position

Time of First Successful Submission: 2026-08-07 11:50:03

Changing to an Absolute Path

Time of First Successful Submission: 2026-08-07 11:58:43

Relative Paths

Time of First Successful Submission: 2026-08-07 15:03:51

Cat

Time of First Successful Submission: 2026-08-09 14:56:33

Ls

Time of First Successful Submission: 2026-08-09 15:12:37

Ls All

Time of First Successful Submission: 2026-08-09 15:22:39

Find

Time of First Successful Submission: 2026-08-09 16:14:34

Piping Echo

Time of First Successful Submission: 2026-08-10 14:38:23

Piping Stdout

Time of First Successful Submission: 2026-08-10 14:44:06

Piping Stdin

Time of First Successful Submission: 2026-08-11 17:43:40


Start Here

10 / 10 15084 / 58245


Using the Terminal

Time of First Successful Submission: 2026-08-04 15:15:49

Using the VSCode Workspace

Time of First Successful Submission: 2026-08-04 15:42:10

Using the GUI Desktop

Time of First Successful Submission: 2026-08-04 16:13:41

Pasting into the Desktop

Time of First Successful Submission: 2026-08-05 16:17:12

Restarting Challenges

Time of First Successful Submission: 2026-08-07 07:11:32

Challenge Programs

Time of First Successful Submission: 2026-08-06 17:29:40

The Flag File

Time of First Successful Submission: 2026-08-06 17:38:56

Using Privileged Mode

Time of First Successful Submission: 2026-08-06 17:50:37

Persistent Home Directories - One

Time of First Successful Submission: 2026-08-06 17:57:08

Persistent Home Directories - Two

Time of First Successful Submission: 2026-08-06 18:01:37


Linux Luminarium

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Intro to Commands

Time of First Successful Submission: 2026-08-07 10:58:02

Intro to Arguments

Time of First Successful Submission: 2026-08-07 11:10:00

Command History

Time of First Successful Submission: 2026-08-07 11:11:31

The Root

Time of First Successful Submission: 2026-08-07 11:15:04

Program and absolute paths

Time of First Successful Submission: 2026-08-07 11:44:16

Position thy self

Time of First Successful Submission: 2026-08-07 11:50:03

Position elsewhere

Time of First Successful Submission: 2026-08-07 11:58:43

implicit relative paths, from /

Time of First Successful Submission: 2026-08-07 15:03:51

explicit relative paths, from /

Time of First Successful Submission: 2026-08-07 15:19:13

implicit relative path

Time of First Successful Submission: 2026-08-09 14:47:13

home sweet home

Time of First Successful Submission: 2026-08-09 14:53:14

cat: not the pet, but the command!

Time of First Successful Submission: 2026-08-09 14:56:33

catting absolute paths

Time of First Successful Submission: 2026-08-09 15:00:03

more catting practice

Time of First Successful Submission: 2026-08-09 15:01:44

grepping for a needle in a haystack

Time of First Successful Submission: 2026-08-09 15:05:10

comparing files

Time of First Successful Submission: 2026-08-09 15:08:42

listing files

Time of First Successful Submission: 2026-08-09 15:12:37

touching files

Time of First Successful Submission: 2026-08-09 15:15:06

removing files

Time of First Successful Submission: 2026-08-09 15:16:41

moving files

Time of First Successful Submission: 2026-08-09 15:19:02

copying files

Time of First Successful Submission: 2026-08-09 15:20:26

hidden files

Time of First Successful Submission: 2026-08-09 15:22:39

An Epic Filesystem Quest

Time of First Successful Submission: 2026-08-09 15:39:28

making directories

Time of First Successful Submission: 2026-08-09 16:03:47

finding files

Time of First Successful Submission: 2026-08-09 16:14:34

linking files

Time of First Successful Submission: 2026-08-09 19:26:30

Learning From Documentation

Time of First Successful Submission: 2026-08-10 08:09:01

Learning Complex Usage

Time of First Successful Submission: 2026-08-10 08:12:49

Reading Manuals

Time of First Successful Submission: 2026-08-10 08:31:34

Searching Manuals

Time of First Successful Submission: 2026-08-10 13:42:26

Searching For Manuals

Time of First Successful Submission: 2026-08-10 13:48:16

Helpful Programs

Time of First Successful Submission: 2026-08-10 14:07:22

Help for Builtins

Time of First Successful Submission: 2026-08-10 14:18:18

Matching with *

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Matching with ?

Time of First Successful Submission: 2026-08-09 20:26:28

Matching with []

Time of First Successful Submission: 2026-08-09 20:34:16

Matching paths with []

Time of First Successful Submission: 2026-08-09 20:39:28

Multiple globs

Time of First Successful Submission: 2026-08-09 20:47:25

Mixing globs

Time of First Successful Submission: 2026-08-09 20:54:13

Exclusionary globbing

Time of First Successful Submission: 2026-08-10 07:54:22

Tab completion

Time of First Successful Submission: 2026-08-10 07:56:36

Multiple options for tab completion

Time of First Successful Submission: 2026-08-10 07:58:48

Tab completion on commands

Time of First Successful Submission: 2026-08-10 08:00:45

Redirecting output

Time of First Successful Submission: 2026-08-10 14:38:23

Redirecting more output

Time of First Successful Submission: 2026-08-10 14:44:06

Appending output

Time of First Successful Submission: 2026-08-11 17:27:02

Redirecting errors

Time of First Successful Submission: 2026-08-11 17:37:08

Redirecting input

Time of First Successful Submission: 2026-08-11 17:43:40

Grepping stored results

Time of First Successful Submission: 2026-08-11 17:59:39

Grepping live output

Time of First Successful Submission: 2026-08-12 09:28:00

Grepping errors

Time of First Successful Submission: 2026-08-12 09:30:45

Filtering with grep -v

Time of First Successful Submission: 2026-08-12 09:34:19

Filtering with sed

Time of First Successful Submission: 2026-08-12 09:36:43

Duplicating piped data with tee

Time of First Successful Submission: 2026-08-12 09:59:23

Process substitution for input

Time of First Successful Submission: 2026-08-12 10:17:24

Writing to multiple programs

Time of First Successful Submission: 2026-08-12 10:34:50

Split-piping stderr and stdout

Time of First Successful Submission: 2026-08-12 10:39:17

Named pipes

Time of First Successful Submission: 2026-08-12 14:00:11

Printing Variables

Time of First Successful Submission: 2026-08-12 14:03:06

Setting Variables

Time of First Successful Submission: 2026-08-12 14:04:57

Multi-word Variables

Time of First Successful Submission: 2026-08-12 14:06:35

Exporting Variables

Time of First Successful Submission: 2026-08-12 14:31:06

Printing Exported Variables

Time of First Successful Submission: 2026-08-12 14:44:29

Storing Command Output

Time of First Successful Submission: 2026-08-12 15:24:19

Reading Input

Time of First Successful Submission: 2026-08-12 15:28:07

Reading Files

Time of First Successful Submission: 2026-08-12 15:39:23

Translating characters

Time of First Successful Submission: 2026-08-12 16:03:22

Deleting characters

Time of First Successful Submission: 2026-08-12 16:11:02

Deleting newlines

Time of First Successful Submission: 2026-08-12 16:16:48

Extracting the first lines with head

Time of First Successful Submission: 2026-08-12 16:19:32

Extracting specific sections of text

Time of First Successful Submission: 2026-08-12 16:27:39

Sorting data

Time of First Successful Submission: 2026-08-12 16:34:31

Listing Processes

Time of First Successful Submission: 2026-08-12 16:48:09

Killing Processes

Time of First Successful Submission: 2026-08-12 16:52:02

Interrupting Processes

Time of First Successful Submission: 2026-08-12 16:53:15

Killing Misbehaving Processes

Time of First Successful Submission: 2026-08-12 16:58:34

Suspending Processes

Time of First Successful Submission: 2026-08-12 17:01:03

Resuming Processes

Time of First Successful Submission: 2026-08-12 17:02:09

Backgrounding Processes

Time of First Successful Submission: 2026-08-12 17:09:31

Foregrounding Processes

Time of First Successful Submission: 2026-08-12 17:12:29

Starting Backgrounded Processes

Time of First Successful Submission: 2026-08-12 17:14:02

Process Exit Codes

Time of First Successful Submission: 2026-08-12 17:19:39

Becoming root with su

Time of First Successful Submission: 2026-08-12 17:36:18

Other users with su

Time of First Successful Submission: 2026-08-12 17:38:18

Cracking passwords

Time of First Successful Submission: 2026-08-12 17:43:42

Using sudo

Time of First Successful Submission: 2026-08-13 07:24:30

Changing File Ownership

Time of First Successful Submission: 2026-08-13 08:15:59

Groups and Files

Time of First Successful Submission: 2026-08-13 08:36:30

Fun With Groups Names

Time of First Successful Submission: 2026-08-13 08:51:25

Changing Permissions

Time of First Successful Submission: 2026-08-13 10:06:45

Executable Files

Time of First Successful Submission: 2026-08-13 14:25:58

Permission Tweaking Practice

Time of First Successful Submission: 2026-08-14 09:31:45

Permissions Setting Practice

Time of First Successful Submission: 2026-08-14 10:11:26

The SUID Bit

Time of First Successful Submission: 2026-08-14 10:25:20

Chaining with Semicolons

Time of First Successful Submission: 2026-08-14 10:30:08

Building on Success

Time of First Successful Submission: 2026-08-14 10:32:03

Handling Failure

Time of First Successful Submission: 2026-08-14 10:34:22

Your First Shell Script

Time of First Successful Submission: 2026-08-14 10:46:48

Redirecting Script Output

Time of First Successful Submission: 2026-08-14 11:09:24

Executable Shell Scripts

Time of First Successful Submission: 2026-08-14 11:13:32

Understanding Shebangs

Time of First Successful Submission: 2026-08-14 11:38:05

Scripting with Arguments

Time of First Successful Submission: 2026-08-14 11:48:35

Scripting with Conditionals

Time of First Successful Submission: 2026-08-14 12:03:44

Scripting with Default Cases

Time of First Successful Submission: 2026-08-14 12:07:09

Scripting with Multiple Conditions

Time of First Successful Submission: 2026-08-14 12:24:42

Reading Shell Scripts

Time of First Successful Submission: 2026-08-14 12:28:36

Launching Screen

Time of First Successful Submission: 2026-08-14 12:32:30

Detaching and Attaching

Time of First Successful Submission: 2026-08-14 12:35:34

Finding Sessions

Time of First Successful Submission: 2026-08-14 12:38:08

Switching Windows

Time of First Successful Submission: 2026-08-14 12:56:06

Detaching and Attaching (tmux)

Time of First Successful Submission: 2026-08-14 13:02:44

Switching Windows (tmux)

Time of First Successful Submission: 2026-08-14 13:08:12

The PATH Variable

Time of First Successful Submission: 2026-08-14 13:10:20

Setting PATH

Time of First Successful Submission: 2026-08-14 13:18:13

Finding Commands

Time of First Successful Submission: 2026-08-14 13:26:33

Adding Commands

Time of First Successful Submission: 2026-08-14 13:41:14

Hijacking Commands

Time of First Successful Submission: 2026-08-14 13:57:46

Bashrc Backdoor

Time of First Successful Submission: 2026-08-14 14:09:01

Sniffing Input

Time of First Successful Submission: 2026-08-14 14:52:00

Overshared Directories

Time of First Successful Submission: 2026-08-14 15:13:40

Tricky Linking

Time of First Successful Submission: 2026-08-14 15:31:08

Sniffing Process Arguments

Time of First Successful Submission: 2026-08-14 15:38:21

Snooping on Configurations

Time of First Successful Submission: 2026-08-14 15:56:51

The Fork Bomb

Time of First Successful Submission: 2026-08-14 16:30:30

Disk-Space Doomsday

Time of First Successful Submission: 2026-08-14 16:42:11

rm -rf /

Time of First Successful Submission: 2026-08-14 16:53:26

Life after rm -rf /

Time of First Successful Submission: 2026-08-14 16:57:44

Finding meaning after rm -rf /

Time of First Successful Submission: 2026-08-14 17:05:26


Computing 101

132 / 132 225 / 22424


Your First Register

Time of First Successful Submission: 2026-08-15 08:29:38

Your First Syscall

Time of First Successful Submission: 2026-08-15 08:34:43

Exit Codes

Time of First Successful Submission: 2026-08-15 08:38:30

Building Executables

Time of First Successful Submission: 2026-08-15 08:50:25

Moving Between Registers

Time of First Successful Submission: 2026-08-15 08:58:29

Loading From Memory

Time of First Successful Submission: 2026-08-15 09:21:07

More Loading Practice

Time of First Successful Submission: 2026-08-15 09:23:36

Dereferencing Pointers

Time of First Successful Submission: 2026-08-15 09:31:21

Dereferencing Yourself

Time of First Successful Submission: 2026-08-15 09:40:22

Dereferencing with Offsets

Time of First Successful Submission: 2026-08-15 09:48:25

Stored Addresses

Time of First Successful Submission: 2026-08-15 09:53:52

Double Dereference

Time of First Successful Submission: 2026-08-15 09:58:19

The Stack

Time of First Successful Submission: 2026-08-16 16:44:07

Stack Offsets

Time of First Successful Submission: 2026-08-16 16:49:28

Program Arguments on the Stack

Time of First Successful Submission: 2026-08-16 16:54:23

Popping From the Stack

Time of First Successful Submission: 2026-08-16 16:58:36

Negative Numbers

Time of First Successful Submission: 2026-08-16 17:11:12

Negative Numbers (16-bit)

Time of First Successful Submission: 2026-08-16 17:19:37

Negative Numbers (32-bit)

Time of First Successful Submission: 2026-08-17 08:09:53

Encoding Negatives

Time of First Successful Submission: 2026-08-17 08:15:24

Binary and Hex Encoding

Time of First Successful Submission: 2026-08-17 08:19:41

More Hex

Time of First Successful Submission: 2026-08-17 08:22:24

Decoding Hex

Time of First Successful Submission: 2026-08-17 08:25:23

Mixed Conversions

Time of First Successful Submission: 2026-08-17 08:33:30

Disassembling Programs

Time of First Successful Submission: 2026-08-17 10:08:25

Tracing Syscalls

Time of First Successful Submission: 2026-08-17 14:35:46

Starting GDB

Time of First Successful Submission: 2026-08-17 14:41:13

Quitting GDB

Time of First Successful Submission: 2026-08-17 14:42:26

Starting Programs in GDB

Time of First Successful Submission: 2026-08-17 14:45:34

Disassembling in GDB

Time of First Successful Submission: 2026-08-17 14:47:12

Stepping Through Instructions

Time of First Successful Submission: 2026-08-17 14:50:04

Reading Register Values

Time of First Successful Submission: 2026-08-17 14:52:21

Setting Register Values

Time of First Successful Submission: 2026-08-17 15:17:48

Popping Stack Values

Time of First Successful Submission: 2026-08-17 15:43:21

Examining Memory

Time of First Successful Submission: 2026-08-17 15:48:42

Examining Stack Pointers

Time of First Successful Submission: 2026-08-17 15:55:43

Cooperative Debugging

Time of First Successful Submission: 2026-08-17 16:03:30

Running with Arguments

Time of First Successful Submission: 2026-08-17 16:06:19

Redirecting Input in GDB

Time of First Successful Submission: 2026-08-17 16:11:41

Writing Output

Time of First Successful Submission: 2026-08-18 16:18:13

Chaining Syscalls

Time of First Successful Submission: 2026-08-19 10:46:16

Writing Strings

Time of First Successful Submission: 2026-08-19 10:48:04

Reading Data

Time of First Successful Submission: 2026-08-19 10:51:35

Reading Exactly

Time of First Successful Submission: 2026-08-19 10:53:39

Opening Files

Time of First Successful Submission: 2026-08-19 10:56:42

Hardcoding the Filename

Time of First Successful Submission: 2026-08-19 10:59:22

RIP-Relative Strings

Time of First Successful Submission: 2026-08-19 11:02:31

Comparing Values

Time of First Successful Submission: 2026-08-19 13:21:53

Comparing Characters

Time of First Successful Submission: 2026-08-19 13:24:41

Conditional Control Flow

Time of First Successful Submission: 2026-08-19 15:28:47

Comparing Strings

Time of First Successful Submission: 2026-08-19 15:43:58

Reverse the Password

Time of First Successful Submission: 2026-08-19 15:50:07

Conditionals Without Conditionals

Time of First Successful Submission: 2026-08-19 15:57:11

Recognizing Loops

Time of First Successful Submission: 2026-08-19 16:01:37

Writing Loops

Time of First Successful Submission: 2026-08-19 16:10:33

Writing From a Shared Library

Time of First Successful Submission: 2026-08-19 16:15:55

Returning a Value

Time of First Successful Submission: 2026-08-19 16:19:04

Calling Through a Pointer

Time of First Successful Submission: 2026-08-19 16:22:22

Calling Through a Pointer with an Argument

Time of First Successful Submission: 2026-08-19 16:24:16

Saving Caller-Saved Registers

Time of First Successful Submission: 2026-08-19 16:28:24

Saving Callee-Saved Registers

Time of First Successful Submission: 2026-08-19 16:30:00

Sign Extension

Time of First Successful Submission: 2026-08-20 09:57:43

Little-Endian Bytes

Time of First Successful Submission: 2026-08-20 10:08:39

Qword by Qword

Time of First Successful Submission: 2026-08-20 10:20:09

Dword by Dword

Time of First Successful Submission: 2026-08-21 08:17:36

Word by Word

Time of First Successful Submission: 2026-08-21 08:19:44

Byte by Byte

Time of First Successful Submission: 2026-08-21 08:22:46

Cracking a Struct

Time of First Successful Submission: 2026-08-21 08:25:18

Scrambled Struct

Time of First Successful Submission: 2026-08-21 08:27:51

Reverse the Calculation

Time of First Successful Submission: 2026-08-21 14:32:45

Reverse the Reverse

Time of First Successful Submission: 2026-08-21 22:44:47

Dealing with Bitwise Operations

Time of First Successful Submission: 2026-08-21 22:49:15

Even or Odd

Time of First Successful Submission: 2026-08-21 22:56:00

Masking Bits

Time of First Successful Submission: 2026-08-21 23:04:41

Lowercase a String

Time of First Successful Submission: 2026-08-21 23:08:52

Uppercase a String

Time of First Successful Submission: 2026-08-21 23:13:10

Swap Case

Time of First Successful Submission: 2026-08-21 23:19:56

Shifting Left

Time of First Successful Submission: 2026-08-21 23:22:19

Shifting Right

Time of First Successful Submission: 2026-08-21 23:24:40

Loops on Data

Time of First Successful Submission: 2026-08-22 00:11:26

Reaching Into the Caller's Frame

Time of First Successful Submission: 2026-08-22 00:24:37

Loading Stale Stack Data

Time of First Successful Submission: 2026-08-22 08:23:30

Stealing Stale Stack Data

Time of First Successful Submission: 2026-08-22 08:29:20

Reserving Your Own Frame

Time of First Successful Submission: 2026-08-22 08:31:40

Using Your Own Frame

Time of First Successful Submission: 2026-08-22 08:33:52

Environment Variables on the Stack

Time of First Successful Submission: 2026-08-22 08:36:01

Aligning the Stack Through the Environment

Time of First Successful Submission: 2026-08-22 08:37:57

Aligning the Stack Through GDB

Time of First Successful Submission: 2026-08-22 08:47:00

Aligning the Stack Through GDB, Generalized

Time of First Successful Submission: 2026-08-22 08:50:11

A Single Digit

Time of First Successful Submission: 2026-08-22 08:54:33

Two Digits

Time of First Successful Submission: 2026-08-22 08:57:18

String to Integer

Time of First Successful Submission: 2026-08-22 08:59:13

Negative Numbers

Time of First Successful Submission: 2026-08-22 09:01:09

Where the Number Ends

Time of First Successful Submission: 2026-08-22 09:05:05

A Whole Program

Time of First Successful Submission: 2026-08-22 09:07:32

A Single Digit, Back to Text

Time of First Successful Submission: 2026-08-22 09:09:18

Divide and Remainder

Time of First Successful Submission: 2026-08-22 09:11:09

Drop the Leading Zero

Time of First Successful Submission: 2026-08-22 09:13:07

Integer to String

Time of First Successful Submission: 2026-08-22 09:14:44

Negative Numbers, Back to Text

Time of First Successful Submission: 2026-08-22 09:18:26

Sum Them All

Time of First Successful Submission: 2026-08-22 09:25:37

Addition

Time of First Successful Submission: 2026-08-22 09:21:03

Subtraction

Time of First Successful Submission: 2026-08-22 09:26:49

Multiplication

Time of First Successful Submission: 2026-08-22 09:29:19

Bitwise Operators

Time of First Successful Submission: 2026-08-22 09:31:13

Unary Operators

Time of First Successful Submission: 2026-08-22 09:33:55

Literal Output

Time of First Successful Submission: 2026-08-22 09:34:59

Newline Escapes

Time of First Successful Submission: 2026-08-22 09:36:05

Escaped Syntax

Time of First Successful Submission: 2026-08-22 09:37:13

Decimal Markers

Time of First Successful Submission: 2026-08-22 09:38:24

Multiple Decimal Markers

Time of First Successful Submission: 2026-08-22 09:39:32

String Markers

Time of First Successful Submission: 2026-08-22 09:40:37

Hex Byte Escapes

Time of First Successful Submission: 2026-08-22 09:41:56

Debugging Programs

Time of First Successful Submission: 2026-08-25 10:01:27

Inspecting Registers

Time of First Successful Submission: 2026-08-25 11:29:16

Examining Memory

Time of First Successful Submission: 2026-08-25 14:22:06

Setting Breakpoints

Time of First Successful Submission: 2026-08-26 09:15:25

GDB Scripting

Time of First Successful Submission: 2026-08-26 09:38:07

Modifying Data

Time of First Successful Submission: 2026-08-26 09:45:33

Modifying Execution

Time of First Successful Submission: 2026-08-26 09:50:01

Broken Functions

Time of First Successful Submission: 2026-08-26 09:56:32

Exit

Time of First Successful Submission: 2026-08-26 10:25:29

Socket

Time of First Successful Submission: 2026-08-26 10:55:23

Bind

Time of First Successful Submission: 2026-08-26 11:16:05

Listen

Time of First Successful Submission: 2026-08-26 11:20:18

Accept

Time of First Successful Submission: 2026-08-26 11:35:42

Static Response

Time of First Successful Submission: 2026-08-26 11:47:05

Dynamic Response

Time of First Successful Submission: 2026-08-26 11:51:33

Iterative GET Server

Time of First Successful Submission: 2026-08-26 11:56:29

Concurrent GET Server

Time of First Successful Submission: 2026-08-26 11:58:13

Concurrent POST Server

Time of First Successful Submission: 2026-08-26 12:01:14

Web Server

Time of First Successful Submission: 2026-08-26 12:03:07


Playing With Programs

11 / 116 18636 / 25241


What's the password?

Time of First Successful Submission: 2026-08-26 13:02:39

... and again!

Time of First Successful Submission: 2026-08-26 14:16:40

Newline Troubles

Time of First Successful Submission: 2026-08-26 15:24:48

Reasoning about files

Time of First Successful Submission: 2026-08-26 15:31:44

Specifying Filenames

Time of First Successful Submission: 2026-08-26 15:36:28

Binary and Hex Encoding

Time of First Successful Submission: 2026-08-26 15:43:31

More Hex

Time of First Successful Submission: 2026-08-26 15:52:49

Decoding Hex

Time of First Successful Submission: 2026-08-26 15:59:05

Decoding Practice

Time of First Successful Submission: 2026-08-26 16:01:49

Encoding Practice

Time of First Successful Submission: 2026-08-26 16:15:02

Hex-encoding ASCII

Time of First Successful Submission: 2026-08-26 16:26:45

Nested Encoding

Time of First Successful Submission: 2026-08-26 16:33:50


DSU Cyber Camps

11 / 104 12914 / 58632


Using the Terminal

Time of First Successful Submission: 2026-08-04 15:15:49

Using the VSCode Workspace

Time of First Successful Submission: 2026-08-04 15:42:10

Using the GUI Desktop

Time of First Successful Submission: 2026-08-04 16:13:41

Pasting into the Desktop

Time of First Successful Submission: 2026-08-05 16:17:12

Connecting over SSH

Time of First Successful Submission: 2026-08-05 17:27:55

Restarting Challenges

Time of First Successful Submission: 2026-08-07 07:11:32

Challenge Programs

Time of First Successful Submission: 2026-08-06 17:29:40

The Flag File

Time of First Successful Submission: 2026-08-06 17:38:56

Using Privileged Mode

Time of First Successful Submission: 2026-08-06 17:50:37

Persistent Home Directories - One

Time of First Successful Submission: 2026-08-06 17:57:08

Persistent Home Directories - Two

Time of First Successful Submission: 2026-08-06 18:01:37


GCA CTF

11 / 104 12913 / 58632


Using the Terminal

Time of First Successful Submission: 2026-08-04 15:15:49

Using the VSCode Workspace

Time of First Successful Submission: 2026-08-04 15:42:10

Using the GUI Desktop

Time of First Successful Submission: 2026-08-04 16:13:41

Pasting into the Desktop

Time of First Successful Submission: 2026-08-05 16:17:12

Connecting over SSH

Time of First Successful Submission: 2026-08-05 17:27:55

Restarting Challenges

Time of First Successful Submission: 2026-08-07 07:11:32

Challenge Programs

Time of First Successful Submission: 2026-08-06 17:29:40

The Flag File

Time of First Successful Submission: 2026-08-06 17:38:56

Using Privileged Mode

Time of First Successful Submission: 2026-08-06 17:50:37

Persistent Home Directories - One

Time of First Successful Submission: 2026-08-06 17:57:08

Persistent Home Directories - Two

Time of First Successful Submission: 2026-08-06 18:01:37