dbjoules

🐧

Intro to Programming Languages

15 / 234 6806 / 31936


Commands

Time of First Successful Submission: 2025-12-15 03:46:39

Command Arguments

Time of First Successful Submission: 2025-12-15 03:51:40

Command History

Time of First Successful Submission: 2025-12-15 03:55:20

The Root Path

Time of First Successful Submission: 2025-12-15 06:34:09

Absolute Paths

Time of First Successful Submission: 2025-12-15 06:41:11

Changing position

Time of First Successful Submission: 2025-12-15 06:43:25

Changing to an Absolute Path

Time of First Successful Submission: 2025-12-15 06:47:41

Relative Paths

Time of First Successful Submission: 2025-12-16 00:39:20

Cat

Time of First Successful Submission: 2025-12-16 00:50:02

Ls

Time of First Successful Submission: 2025-12-16 00:57:50

Ls All

Time of First Successful Submission: 2025-12-16 01:02:52

Find

Time of First Successful Submission: 2025-12-16 01:15:11

Piping Echo

Time of First Successful Submission: 2025-12-17 01:59:39

Piping Stdout

Time of First Successful Submission: 2025-12-17 02:00:43

Piping Stdin

Time of First Successful Submission: 2025-12-17 02:30:33


Start Here

10 / 12 18743 / 43261


Using the Terminal

Time of First Successful Submission: 2025-12-15 01:01:36

Using the VSCode Workspace

Time of First Successful Submission: 2025-12-15 01:03:38

Using the GUI Desktop

Time of First Successful Submission: 2025-12-15 01:06:53

Pasting into the Desktop

Time of First Successful Submission: 2025-12-15 01:08:53

Restarting Challenges

Time of First Successful Submission: 2025-12-15 01:40:06

Challenge Programs

Time of First Successful Submission: 2025-12-15 01:45:04

The Flag File

Time of First Successful Submission: 2025-12-15 01:55:46

Using Privileged Mode

Time of First Successful Submission: 2025-12-15 02:28:55

Persistent Home Directories - One

Time of First Successful Submission: 2025-12-15 03:11:30

Persistent Home Directories - Two

Time of First Successful Submission: 2025-12-15 03:15:29


Linux Luminarium

128 / 128 915 / 32345


Intro to Commands

Time of First Successful Submission: 2025-12-15 03:46:39

Intro to Arguments

Time of First Successful Submission: 2025-12-15 03:51:40

Command History

Time of First Successful Submission: 2025-12-15 03:55:20

The Root

Time of First Successful Submission: 2025-12-15 06:34:09

Program and absolute paths

Time of First Successful Submission: 2025-12-15 06:41:11

Position thy self

Time of First Successful Submission: 2025-12-15 06:43:25

Position elsewhere

Time of First Successful Submission: 2025-12-15 06:47:41

implicit relative paths, from /

Time of First Successful Submission: 2025-12-16 00:39:20

explicit relative paths, from /

Time of First Successful Submission: 2025-12-16 00:40:49

implicit relative path

Time of First Successful Submission: 2025-12-16 00:42:35

home sweet home

Time of First Successful Submission: 2025-12-16 00:48:16

cat: not the pet, but the command!

Time of First Successful Submission: 2025-12-16 00:50:02

catting absolute paths

Time of First Successful Submission: 2025-12-16 00:51:04

more catting practice

Time of First Successful Submission: 2025-12-16 00:52:19

grepping for a needle in a haystack

Time of First Successful Submission: 2025-12-16 00:53:40

comparing files

Time of First Successful Submission: 2025-12-16 00:56:20

listing files

Time of First Successful Submission: 2025-12-16 00:57:50

touching files

Time of First Successful Submission: 2025-12-16 00:58:59

removing files

Time of First Successful Submission: 2025-12-16 00:59:46

moving files

Time of First Successful Submission: 2025-12-16 01:01:04

copying files

Time of First Successful Submission: 2025-12-16 01:01:53

hidden files

Time of First Successful Submission: 2025-12-16 01:02:52

An Epic Filesystem Quest

Time of First Successful Submission: 2025-12-16 01:09:51

making directories

Time of First Successful Submission: 2025-12-16 01:11:30

finding files

Time of First Successful Submission: 2025-12-16 01:15:11

linking files

Time of First Successful Submission: 2025-12-16 01:28:33

Learning From Documentation

Time of First Successful Submission: 2025-12-16 03:46:42

Learning Complex Usage

Time of First Successful Submission: 2025-12-16 03:52:30

Reading Manuals

Time of First Successful Submission: 2025-12-16 05:36:17

Searching Manuals

Time of First Successful Submission: 2025-12-16 06:33:02

Searching For Manuals

Time of First Successful Submission: 2025-12-16 06:42:22

Helpful Programs

Time of First Successful Submission: 2025-12-16 06:44:11

Help for Builtins

Time of First Successful Submission: 2025-12-16 06:47:26

Matching with *

Time of First Successful Submission: 2025-12-16 06:50:23

Matching with ?

Time of First Successful Submission: 2025-12-16 06:51:47

Matching with []

Time of First Successful Submission: 2025-12-16 06:53:43

Matching paths with []

Time of First Successful Submission: 2025-12-16 06:57:00

Multiple globs

Time of First Successful Submission: 2025-12-16 06:59:15

Mixing globs

Time of First Successful Submission: 2025-12-16 08:01:10

Exclusionary globbing

Time of First Successful Submission: 2025-12-16 08:02:55

Tab completion

Time of First Successful Submission: 2025-12-16 08:04:53

Multiple options for tab completion

Time of First Successful Submission: 2025-12-16 08:06:40

Tab completion on commands

Time of First Successful Submission: 2025-12-16 08:07:29

Redirecting output

Time of First Successful Submission: 2025-12-17 01:59:39

Redirecting more output

Time of First Successful Submission: 2025-12-17 02:00:43

Appending output

Time of First Successful Submission: 2025-12-17 02:02:55

Redirecting errors

Time of First Successful Submission: 2025-12-17 02:27:54

Redirecting input

Time of First Successful Submission: 2025-12-17 02:30:33

Grepping stored results

Time of First Successful Submission: 2025-12-17 02:33:30

Grepping live output

Time of First Successful Submission: 2025-12-17 03:24:34

Grepping errors

Time of First Successful Submission: 2025-12-17 03:56:01

Filtering with grep -v

Time of First Successful Submission: 2025-12-17 03:58:39

Filtering with sed

Time of First Successful Submission: 2025-12-17 05:06:15

Duplicating piped data with tee

Time of First Successful Submission: 2025-12-17 05:11:53

Process substitution for input

Time of First Successful Submission: 2025-12-17 05:19:32

Writing to multiple programs

Time of First Successful Submission: 2025-12-17 05:24:44

Split-piping stderr and stdout

Time of First Successful Submission: 2025-12-17 05:27:58

Named pipes

Time of First Successful Submission: 2025-12-17 05:40:18

Printing Variables

Time of First Successful Submission: 2025-12-17 05:58:55

Setting Variables

Time of First Successful Submission: 2025-12-17 06:00:05

Multi-word Variables

Time of First Successful Submission: 2025-12-17 06:03:46

Exporting Variables

Time of First Successful Submission: 2025-12-17 06:07:40

Printing Exported Variables

Time of First Successful Submission: 2025-12-17 06:08:46

Storing Command Output

Time of First Successful Submission: 2025-12-17 06:11:03

Reading Input

Time of First Successful Submission: 2025-12-17 06:14:06

Reading Files

Time of First Successful Submission: 2025-12-17 06:17:19

Translating characters

Time of First Successful Submission: 2025-12-17 06:23:25

Deleting characters

Time of First Successful Submission: 2025-12-17 06:25:11

Deleting newlines

Time of First Successful Submission: 2025-12-17 06:29:32

Extracting the first lines with head

Time of First Successful Submission: 2025-12-17 06:31:25

Extracting specific sections of text

Time of First Successful Submission: 2025-12-17 06:34:28

Sorting data

Time of First Successful Submission: 2025-12-17 06:36:02

Listing Processes

Time of First Successful Submission: 2025-12-17 07:56:51

Killing Processes

Time of First Successful Submission: 2025-12-17 07:58:45

Interrupting Processes

Time of First Successful Submission: 2025-12-17 07:59:36

Killing Misbehaving Processes

Time of First Successful Submission: 2025-12-17 08:15:02

Suspending Processes

Time of First Successful Submission: 2025-12-17 08:17:02

Resuming Processes

Time of First Successful Submission: 2025-12-17 08:17:46

Backgrounding Processes

Time of First Successful Submission: 2025-12-17 08:23:08

Foregrounding Processes

Time of First Successful Submission: 2025-12-17 08:24:11

Starting Backgrounded Processes

Time of First Successful Submission: 2025-12-17 08:26:19

Process Exit Codes

Time of First Successful Submission: 2025-12-17 08:30:17

Becoming root with su

Time of First Successful Submission: 2025-12-18 00:29:34

Other users with su

Time of First Successful Submission: 2025-12-18 00:30:30

Cracking passwords

Time of First Successful Submission: 2025-12-18 00:37:09

Using sudo

Time of First Successful Submission: 2025-12-18 00:40:27

Changing File Ownership

Time of First Successful Submission: 2025-12-18 01:15:55

Groups and Files

Time of First Successful Submission: 2025-12-18 01:27:22

Fun With Groups Names

Time of First Successful Submission: 2025-12-18 01:31:54

Changing Permissions

Time of First Successful Submission: 2025-12-18 01:43:24

Executable Files

Time of First Successful Submission: 2025-12-18 01:50:25

Permission Tweaking Practice

Time of First Successful Submission: 2025-12-18 01:53:52

Permissions Setting Practice

Time of First Successful Submission: 2025-12-18 02:02:58

The SUID Bit

Time of First Successful Submission: 2025-12-18 02:36:18

Chaining with Semicolons

Time of First Successful Submission: 2025-12-18 02:38:27

Building on Success

Time of First Successful Submission: 2025-12-18 02:39:53

Handling Failure

Time of First Successful Submission: 2025-12-18 02:41:08

Your First Shell Script

Time of First Successful Submission: 2025-12-18 02:48:25

Redirecting Script Output

Time of First Successful Submission: 2025-12-18 02:50:33

Executable Shell Scripts

Time of First Successful Submission: 2025-12-18 02:54:49

Understanding Shebangs

Time of First Successful Submission: 2025-12-18 02:59:23

Scripting with Arguments

Time of First Successful Submission: 2025-12-18 03:03:34

Scripting with Conditionals

Time of First Successful Submission: 2025-12-18 03:10:02

Scripting with Default Cases

Time of First Successful Submission: 2025-12-18 03:12:13

Scripting with Multiple Conditions

Time of First Successful Submission: 2025-12-18 03:15:46

Reading Shell Scripts

Time of First Successful Submission: 2025-12-18 03:23:47

Launching Screen

Time of First Successful Submission: 2025-12-18 03:25:43

Detaching and Attaching

Time of First Successful Submission: 2025-12-18 03:28:08

Finding Sessions

Time of First Successful Submission: 2025-12-18 03:29:43

Switching Windows

Time of First Successful Submission: 2025-12-18 03:32:13

Detaching and Attaching (tmux)

Time of First Successful Submission: 2025-12-18 03:33:43

Switching Windows (tmux)

Time of First Successful Submission: 2025-12-18 03:35:38

The PATH Variable

Time of First Successful Submission: 2025-12-18 03:37:51

Setting PATH

Time of First Successful Submission: 2025-12-18 03:39:59

Finding Commands

Time of First Successful Submission: 2025-12-18 03:41:37

Adding Commands

Time of First Successful Submission: 2025-12-18 03:51:15

Hijacking Commands

Time of First Successful Submission: 2025-12-18 05:17:00

Bashrc Backdoor

Time of First Successful Submission: 2025-12-18 05:23:22

Sniffing Input

Time of First Successful Submission: 2025-12-18 05:36:56

Overshared Directories

Time of First Successful Submission: 2025-12-18 05:50:48

Tricky Linking

Time of First Successful Submission: 2025-12-18 06:11:51

Sniffing Process Arguments

Time of First Successful Submission: 2025-12-18 06:14:47

Snooping on Configurations

Time of First Successful Submission: 2025-12-18 06:17:44

The Fork Bomb

Time of First Successful Submission: 2025-12-18 06:33:20

Disk-Space Doomsday

Time of First Successful Submission: 2025-12-18 06:37:43

rm -rf /

Time of First Successful Submission: 2025-12-18 06:43:48

Life after rm -rf /

Time of First Successful Submission: 2025-12-18 06:55:35

Finding meaning after rm -rf /

Time of First Successful Submission: 2025-12-18 07:00:27


Computing 101

5 / 94 18771 / 21494


Your First Register

Time of First Successful Submission: 2026-01-12 03:53:36

Your First Syscall

Time of First Successful Submission: 2026-01-12 04:07:51

Exit Codes

Time of First Successful Submission: 2026-01-12 05:31:14

Building Executables

Time of First Successful Submission: 2026-01-12 05:51:16

Moving Between Registers

Time of First Successful Submission: 2026-01-12 06:04:48


GCA CTF

10 / 104 18868 / 43538


Using the Terminal

Time of First Successful Submission: 2025-12-15 01:01:36

Using the VSCode Workspace

Time of First Successful Submission: 2025-12-15 01:03:38

Using the GUI Desktop

Time of First Successful Submission: 2025-12-15 01:06:53

Pasting into the Desktop

Time of First Successful Submission: 2025-12-15 01:08:53

Restarting Challenges

Time of First Successful Submission: 2025-12-15 01:40:06

Challenge Programs

Time of First Successful Submission: 2025-12-15 01:45:04

The Flag File

Time of First Successful Submission: 2025-12-15 01:55:46

Using Privileged Mode

Time of First Successful Submission: 2025-12-15 02:28:55

Persistent Home Directories - One

Time of First Successful Submission: 2025-12-15 03:11:30

Persistent Home Directories - Two

Time of First Successful Submission: 2025-12-15 03:15:29