luigino

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Intro to Programming Languages

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Commands

Time of First Successful Submission: 2026-02-13 21:00:06

Command Arguments

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Command History

Time of First Successful Submission: 2026-02-13 21:03:28

The Root Path

Time of First Successful Submission: 2026-02-14 19:35:25

Absolute Paths

Time of First Successful Submission: 2026-02-14 19:37:11

Changing position

Time of First Successful Submission: 2026-02-14 19:40:38

Changing to an Absolute Path

Time of First Successful Submission: 2026-02-14 19:43:01

Relative Paths

Time of First Successful Submission: 2026-02-14 19:46:26

Cat

Time of First Successful Submission: 2026-02-14 20:04:11

Ls

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Ls All

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Find

Time of First Successful Submission: 2026-02-14 20:43:30

Piping Echo

Time of First Successful Submission: 2026-02-17 19:14:28

Piping Stdout

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Piping Stdin

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Start Here

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Using the Terminal

Time of First Successful Submission: 2026-02-12 20:18:23

Using the VSCode Workspace

Time of First Successful Submission: 2026-02-12 20:21:35

Using the GUI Desktop

Time of First Successful Submission: 2026-02-12 20:24:45

Pasting into the Desktop

Time of First Successful Submission: 2026-02-12 20:28:22

Restarting Challenges

Time of First Successful Submission: 2026-02-13 20:11:08

Challenge Programs

Time of First Successful Submission: 2026-02-13 20:27:09

The Flag File

Time of First Successful Submission: 2026-02-13 20:31:19

Using Privileged Mode

Time of First Successful Submission: 2026-02-13 20:37:55

Persistent Home Directories - One

Time of First Successful Submission: 2026-02-13 20:41:58

Persistent Home Directories - Two

Time of First Successful Submission: 2026-02-13 20:42:59

Linux Luminarium

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Intro to Commands

Time of First Successful Submission: 2026-02-13 21:00:06

Intro to Arguments

Time of First Successful Submission: 2026-02-13 21:01:51

Command History

Time of First Successful Submission: 2026-02-13 21:03:28

The Root

Time of First Successful Submission: 2026-02-14 19:35:25

Program and absolute paths

Time of First Successful Submission: 2026-02-14 19:37:11

Position thy self

Time of First Successful Submission: 2026-02-14 19:40:38

Position elsewhere

Time of First Successful Submission: 2026-02-14 19:43:01

implicit relative paths, from /

Time of First Successful Submission: 2026-02-14 19:46:26

explicit relative paths, from /

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implicit relative path

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home sweet home

Time of First Successful Submission: 2026-02-14 19:56:34

cat: not the pet, but the command!

Time of First Successful Submission: 2026-02-14 20:04:11

catting absolute paths

Time of First Successful Submission: 2026-02-14 20:05:32

more catting practice

Time of First Successful Submission: 2026-02-14 20:07:06

grepping for a needle in a haystack

Time of First Successful Submission: 2026-02-14 20:08:59

comparing files

Time of First Successful Submission: 2026-02-14 20:12:03

listing files

Time of First Successful Submission: 2026-02-14 20:19:17

touching files

Time of First Successful Submission: 2026-02-14 20:20:58

removing files

Time of First Successful Submission: 2026-02-14 20:22:36

moving files

Time of First Successful Submission: 2026-02-14 20:24:02

copying files

Time of First Successful Submission: 2026-02-14 20:25:14

hidden files

Time of First Successful Submission: 2026-02-14 20:26:46

An Epic Filesystem Quest

Time of First Successful Submission: 2026-02-14 20:35:39

making directories

Time of First Successful Submission: 2026-02-14 20:37:36

finding files

Time of First Successful Submission: 2026-02-14 20:43:30

linking files

Time of First Successful Submission: 2026-02-14 20:57:19

Learning From Documentation

Time of First Successful Submission: 2026-02-15 18:26:54

Learning Complex Usage

Time of First Successful Submission: 2026-02-15 18:29:59

Reading Manuals

Time of First Successful Submission: 2026-02-15 18:35:29

Searching Manuals

Time of First Successful Submission: 2026-02-15 18:39:39

Searching For Manuals

Time of First Successful Submission: 2026-02-15 18:49:03

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

Time of First Successful Submission: 2026-02-16 18:37:37

Tab completion

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Multiple options for tab completion

Time of First Successful Submission: 2026-02-16 18:48:26

Tab completion on commands

Time of First Successful Submission: 2026-02-16 18:50:03

Redirecting output

Time of First Successful Submission: 2026-02-17 19:14:28

Redirecting more output

Time of First Successful Submission: 2026-02-17 19:16:20

Appending output

Time of First Successful Submission: 2026-02-17 19:19:18

Redirecting errors

Time of First Successful Submission: 2026-02-17 19:23:08

Redirecting input

Time of First Successful Submission: 2026-02-17 19:25:14

Grepping stored results

Time of First Successful Submission: 2026-02-17 19:27:14

Grepping live output

Time of First Successful Submission: 2026-02-17 19:29:04

Grepping errors

Time of First Successful Submission: 2026-02-17 19:31:43

Filtering with grep -v

Time of First Successful Submission: 2026-02-17 19:33:54

Filtering with sed

Time of First Successful Submission: 2026-02-17 19:35:59

Duplicating piped data with tee

Time of First Successful Submission: 2026-02-17 20:16:19

Process substitution for input

Time of First Successful Submission: 2026-02-17 20:23:29

Writing to multiple programs

Time of First Successful Submission: 2026-02-17 20:33:16

Split-piping stderr and stdout

Time of First Successful Submission: 2026-02-17 20:52:42

Named pipes

Time of First Successful Submission: 2026-02-17 21:01:46

Printing Variables

Time of First Successful Submission: 2026-02-18 18:18:45

Setting Variables

Time of First Successful Submission: 2026-02-18 18:21:33

Multi-word Variables

Time of First Successful Submission: 2026-02-18 18:23:33

Exporting Variables

Time of First Successful Submission: 2026-02-18 18:27:06

Printing Exported Variables

Time of First Successful Submission: 2026-02-18 18:28:13

Storing Command Output

Time of First Successful Submission: 2026-02-18 18:31:17

Reading Input

Time of First Successful Submission: 2026-02-18 18:36:35

Reading Files

Time of First Successful Submission: 2026-02-18 18:39:35

Translating characters

Time of First Successful Submission: 2026-02-20 18:20:33

Deleting characters

Time of First Successful Submission: 2026-02-20 18:22:59

Deleting newlines

Time of First Successful Submission: 2026-02-20 18:26:25

Extracting the first lines with head

Time of First Successful Submission: 2026-02-20 18:29:11

Extracting specific sections of text

Time of First Successful Submission: 2026-02-20 18:33:10

Sorting data

Time of First Successful Submission: 2026-02-20 18:35:32

Listing Processes

Time of First Successful Submission: 2026-02-20 18:47:03

Killing Processes

Time of First Successful Submission: 2026-02-20 18:50:10

Interrupting Processes

Time of First Successful Submission: 2026-02-20 18:51:39

Killing Misbehaving Processes

Time of First Successful Submission: 2026-02-20 19:00:21

Suspending Processes

Time of First Successful Submission: 2026-02-20 19:02:04

Resuming Processes

Time of First Successful Submission: 2026-02-20 19:03:19

Backgrounding Processes

Time of First Successful Submission: 2026-02-20 19:07:24

Foregrounding Processes

Time of First Successful Submission: 2026-02-20 19:09:31

Starting Backgrounded Processes

Time of First Successful Submission: 2026-02-20 19:10:57

Process Exit Codes

Time of First Successful Submission: 2026-02-20 19:13:36

Becoming root with su

Time of First Successful Submission: 2026-02-21 18:30:56

Other users with su

Time of First Successful Submission: 2026-02-21 18:32:24

Cracking passwords

Time of First Successful Submission: 2026-02-21 18:38:18

Using sudo

Time of First Successful Submission: 2026-02-21 18:42:59

Changing File Ownership

Time of First Successful Submission: 2026-02-21 20:05:16

Groups and Files

Time of First Successful Submission: 2026-02-21 20:11:01

Fun With Groups Names

Time of First Successful Submission: 2026-02-21 20:13:06

Changing Permissions

Time of First Successful Submission: 2026-02-21 20:20:09

Executable Files

Time of First Successful Submission: 2026-02-21 20:22:31

Permission Tweaking Practice

Time of First Successful Submission: 2026-02-21 20:33:14

Permissions Setting Practice

Time of First Successful Submission: 2026-02-21 20:46:35

The SUID Bit

Time of First Successful Submission: 2026-02-21 20:50:17

Chaining with Semicolons

Time of First Successful Submission: 2026-02-22 18:21:50

Building on Success

Time of First Successful Submission: 2026-02-22 18:24:56

Handling Failure

Time of First Successful Submission: 2026-02-22 18:27:25

Your First Shell Script

Time of First Successful Submission: 2026-02-22 18:32:31

Redirecting Script Output

Time of First Successful Submission: 2026-02-22 18:36:55

Executable Shell Scripts

Time of First Successful Submission: 2026-02-22 18:40:30

Understanding Shebangs

Time of First Successful Submission: 2026-02-22 19:28:00

Scripting with Arguments

Time of First Successful Submission: 2026-02-22 18:52:36

Scripting with Conditionals

Time of First Successful Submission: 2026-02-22 18:58:16

Scripting with Default Cases

Time of First Successful Submission: 2026-02-22 19:01:54

Scripting with Multiple Conditions

Time of First Successful Submission: 2026-02-22 19:07:38

Reading Shell Scripts

Time of First Successful Submission: 2026-02-22 19:18:31

Launching Screen

Time of First Successful Submission: 2026-02-22 19:32:37

Detaching and Attaching

Time of First Successful Submission: 2026-02-22 19:35:31

Finding Sessions

Time of First Successful Submission: 2026-02-22 19:38:12

Switching Windows

Time of First Successful Submission: 2026-02-22 19:40:22

Detaching and Attaching (tmux)

Time of First Successful Submission: 2026-02-22 19:42:24

Switching Windows (tmux)

Time of First Successful Submission: 2026-02-22 19:47:14

The PATH Variable

Time of First Successful Submission: 2026-02-24 18:21:56

Setting PATH

Time of First Successful Submission: 2026-02-24 18:24:40

Finding Commands

Time of First Successful Submission: 2026-02-24 18:27:02

Adding Commands

Time of First Successful Submission: 2026-02-24 18:36:13

Hijacking Commands

Time of First Successful Submission: 2026-02-24 18:56:15

Bashrc Backdoor

Time of First Successful Submission: 2026-02-24 19:04:38

Sniffing Input

Time of First Successful Submission: 2026-02-24 19:20:35

Overshared Directories

Time of First Successful Submission: 2026-02-24 19:30:54

Tricky Linking

Time of First Successful Submission: 2026-02-24 19:44:19

Sniffing Process Arguments

Time of First Successful Submission: 2026-02-24 19:48:29

Snooping on Configurations

Time of First Successful Submission: 2026-02-24 19:52:57

The Fork Bomb

Time of First Successful Submission: 2026-02-25 20:22:20

Disk-Space Doomsday

Time of First Successful Submission: 2026-02-25 20:27:56

rm -rf /

Time of First Successful Submission: 2026-02-25 20:33:40

Life after rm -rf /

Time of First Successful Submission: 2026-02-25 20:46:32

Finding meaning after rm -rf /

Time of First Successful Submission: 2026-02-25 20:51:24

Computing 101

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Your First Register

Time of First Successful Submission: 2026-02-26 19:56:39

Your First Syscall

Time of First Successful Submission: 2026-02-26 20:01:25

Exit Codes

Time of First Successful Submission: 2026-02-26 20:04:27

Building Executables

Time of First Successful Submission: 2026-02-26 20:19:03

Moving Between Registers

Time of First Successful Submission: 2026-02-26 20:24:18

Loading From Memory

Time of First Successful Submission: 2026-02-27 19:42:11

More Loading Practice

Time of First Successful Submission: 2026-02-27 19:44:16

Dereferencing Pointers

Time of First Successful Submission: 2026-02-27 19:49:30

Dereferencing Yourself

Time of First Successful Submission: 2026-02-27 19:53:06

Dereferencing with Offsets

Time of First Successful Submission: 2026-02-27 19:56:33

Stored Addresses

Time of First Successful Submission: 2026-02-27 20:13:46

Double Dereference

Time of First Successful Submission: 2026-02-27 20:10:56

The Stack

Time of First Successful Submission: 2026-02-28 18:27:09

Stack Offsets

Time of First Successful Submission: 2026-02-28 18:30:15

Program Arguments on the Stack

Time of First Successful Submission: 2026-02-28 18:34:13

Popping From the Stack

Time of First Successful Submission: 2026-02-28 18:38:25

Disassembling Programs

Time of First Successful Submission: 2026-02-28 18:57:10

Tracing Syscalls

Time of First Successful Submission: 2026-02-28 19:02:19

Starting GDB

Time of First Successful Submission: 2026-02-28 19:05:09

Quitting GDB

Time of First Successful Submission: 2026-02-28 19:06:40

Starting Programs in GDB

Time of First Successful Submission: 2026-02-28 19:11:02

Disassembling in GDB

Time of First Successful Submission: 2026-02-28 19:13:08

Stepping Through Instructions

Time of First Successful Submission: 2026-02-28 19:16:11

Reading Register Values

Time of First Successful Submission: 2026-02-28 19:18:12

Popping Stack Values

Time of First Successful Submission: 2026-02-28 19:21:21

Examining Memory

Time of First Successful Submission: 2026-02-28 19:24:29

Examining Stack Pointers

Time of First Successful Submission: 2026-02-28 19:28:14

Cooperative Debugging

Time of First Successful Submission: 2026-02-28 19:34:20

Writing Output

Time of First Successful Submission: 2026-03-01 19:15:25

Chaining Syscalls

Time of First Successful Submission: 2026-03-01 19:18:20

Writing Strings

Time of First Successful Submission: 2026-03-01 19:20:13

Reading Data

Time of First Successful Submission: 2026-03-01 19:31:35

Opening Files

Time of First Successful Submission: 2026-03-01 19:48:35

Hardcoding the Filename

Time of First Successful Submission: 2026-03-01 19:57:30

Comparing Values

Time of First Successful Submission: 2026-03-02 19:19:38

Comparing Characters

Time of First Successful Submission: 2026-03-02 19:24:28

Conditional Control Flow

Time of First Successful Submission: 2026-03-02 19:35:55

Comparing Strings

Time of First Successful Submission: 2026-03-02 19:40:25

Reverse the Password

Time of First Successful Submission: 2026-03-02 19:49:02

Conditionals Without Conditionals

Time of First Successful Submission: 2026-03-02 20:26:40

Looping

Time of First Successful Submission: 2026-03-02 20:32:54

Reverse the Calculation

Time of First Successful Submission: 2026-03-03 18:33:12

Reverse the Reverse

Time of First Successful Submission: 2026-03-03 18:36:15

Dealing with Bitwise Operations

Time of First Successful Submission: 2026-03-03 18:40:46

Loops on Data

Time of First Successful Submission: 2026-03-03 18:43:28

set-register

Time of First Successful Submission: 2026-03-03 19:07:23

set-multiple-registers

Time of First Successful Submission: 2026-03-04 18:33:10

add-to-register

Time of First Successful Submission: 2026-03-04 18:37:47

linear-equation-registers

Time of First Successful Submission: 2026-03-04 18:44:09

integer-division

Time of First Successful Submission: 2026-03-04 18:53:43

modulo-operation

Time of First Successful Submission: 2026-03-04 19:01:40

set-upper-byte

Time of First Successful Submission: 2026-03-04 19:07:36

efficient-modulo

Time of First Successful Submission: 2026-03-04 19:28:35

byte-extraction

Time of First Successful Submission: 2026-03-04 19:42:09

bitwise-and

Time of First Successful Submission: 2026-03-04 19:50:56

check-even

Time of First Successful Submission: 2026-03-05 19:02:19

memory-read

Time of First Successful Submission: 2026-03-05 19:13:05

memory-write

Time of First Successful Submission: 2026-03-05 19:16:44

memory-increment

Time of First Successful Submission: 2026-03-05 19:29:44

byte-access

Time of First Successful Submission: 2026-03-05 19:34:56

memory-size-access

Time of First Successful Submission: 2026-03-06 18:38:08

little-endian-write

Time of First Successful Submission: 2026-03-06 18:53:24

memory-sum

Time of First Successful Submission: 2026-03-06 19:05:37

stack-subtraction

Time of First Successful Submission: 2026-03-06 19:13:13

swap-stack-values

Time of First Successful Submission: 2026-03-06 19:17:33

average-stack-values

Time of First Successful Submission: 2026-03-07 18:43:59

absolute-jump

Time of First Successful Submission: 2026-03-07 18:49:43

relative-jump

Time of First Successful Submission: 2026-03-07 19:05:29

jump-trampoline

Time of First Successful Submission: 2026-03-07 19:13:43

conditional-jump

Time of First Successful Submission: 2026-03-08 16:21:40

indirect-jump

Time of First Successful Submission: 2026-03-08 19:15:30

average-loop

Time of First Successful Submission: 2026-03-08 19:31:32

count-non-zero

Time of First Successful Submission: 2026-03-08 20:37:59

string-lower

Time of First Successful Submission: 2026-03-10 10:28:02

most-common-byte

Time of First Successful Submission: 2026-03-10 19:56:08

Exit

Time of First Successful Submission: 2026-03-10 20:54:20

Socket

Time of First Successful Submission: 2026-03-11 20:50:33

Bind

Time of First Successful Submission: 2026-03-12 19:23:54

Listen

Time of First Successful Submission: 2026-03-13 19:31:00

Accept

Time of First Successful Submission: 2026-03-14 15:28:02

Static Response

Time of First Successful Submission: 2026-03-15 16:50:45

Dynamic Response

Time of First Successful Submission: 2026-03-23 17:19:55

Iterative GET Server

Time of First Successful Submission: 2026-03-24 15:39:18

Concurrent GET Server

Time of First Successful Submission: 2026-03-25 16:09:29

Concurrent POST Server

Time of First Successful Submission: 2026-03-26 18:19:23

Web Server

Time of First Successful Submission: 2026-03-27 16:50:29

Debugging Programs

Time of First Successful Submission: 2026-03-28 15:55:17

Inspecting Registers

Time of First Successful Submission: 2026-04-03 15:47:16

Examining Memory

Time of First Successful Submission: 2026-04-04 17:36:28

Setting Breakpoints

Time of First Successful Submission: 2026-04-06 14:59:03

GDB Scripting

Time of First Successful Submission: 2026-04-10 14:59:56

Modifying Data

Time of First Successful Submission: 2026-04-11 14:56:56

Modifying Execution

Time of First Successful Submission: 2026-04-14 13:39:11

Broken Functions

Time of First Successful Submission: 2026-04-14 16:02:21

GCA CTF

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Using the Terminal

Time of First Successful Submission: 2026-02-12 20:18:23

Using the VSCode Workspace

Time of First Successful Submission: 2026-02-12 20:21:35

Using the GUI Desktop

Time of First Successful Submission: 2026-02-12 20:24:45

Pasting into the Desktop

Time of First Successful Submission: 2026-02-12 20:28:22

Connecting over SSH

Time of First Successful Submission: 2026-02-12 21:15:42

Restarting Challenges

Time of First Successful Submission: 2026-02-13 20:11:08

Getting Help

Time of First Successful Submission: 2026-02-13 20:19:26

Challenge Programs

Time of First Successful Submission: 2026-02-13 20:27:09

The Flag File

Time of First Successful Submission: 2026-02-13 20:31:19

Using Privileged Mode

Time of First Successful Submission: 2026-02-13 20:37:55

Persistent Home Directories - One

Time of First Successful Submission: 2026-02-13 20:41:58

Persistent Home Directories - Two

Time of First Successful Submission: 2026-02-13 20:42:59