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17 / 232 16044 / 25715


level1

Time of First Successful Submission: 2021-10-19 11:48:29

level2

Time of First Successful Submission: 2021-10-19 11:52:59

HTTP (curl)

Time of First Successful Submission: 2022-12-29 18:35:57

HTTP (python)

Time of First Successful Submission: 2022-12-29 18:52:30

URL Encoding (curl)

Time of First Successful Submission: 2022-12-29 19:10:37

URL Encoding (python)

Time of First Successful Submission: 2022-12-29 19:14:34

HTTP GET Parameters (netcat)

Time of First Successful Submission: 2022-12-29 19:20:40

HTTP GET Parameters (python)

Time of First Successful Submission: 2022-12-29 19:22:32

Multiple HTTP Parameters (python)

Time of First Successful Submission: 2022-12-29 19:39:22

Multiple Form Fields (python)

Time of First Successful Submission: 2023-01-10 18:41:07

HTTP JSON (curl)

Time of First Successful Submission: 2023-01-10 18:48:18

HTTP JSON (netcat)

Time of First Successful Submission: 2023-01-10 19:02:46

HTTP JSON (python)

Time of First Successful Submission: 2023-01-10 19:08:48

Complex HTTP JSON (curl)

Time of First Successful Submission: 2023-01-10 19:13:34

Complex HTTP JSON (netcat)

Time of First Successful Submission: 2023-01-10 19:40:10

Complex HTTP JSON (python)

Time of First Successful Submission: 2023-01-10 19:46:30

Server State (curl)

Time of First Successful Submission: 2023-01-10 20:24:51


Intro to Programming Languages

15 / 234 10387 / 35036


Commands

Time of First Successful Submission: 2026-05-12 07:28:12

Command Arguments

Time of First Successful Submission: 2026-05-12 07:29:09

Command History

Time of First Successful Submission: 2026-05-12 07:29:35

The Root Path

Time of First Successful Submission: 2026-05-12 07:30:33

Absolute Paths

Time of First Successful Submission: 2026-05-12 07:38:12

Changing position

Time of First Successful Submission: 2026-05-12 07:39:21

Changing to an Absolute Path

Time of First Successful Submission: 2026-05-12 07:41:31

Relative Paths

Time of First Successful Submission: 2026-05-12 07:43:56

Cat

Time of First Successful Submission: 2026-05-12 08:05:39

Ls

Time of First Successful Submission: 2026-05-12 08:09:24

Ls All

Time of First Successful Submission: 2026-05-12 08:27:38

Find

Time of First Successful Submission: 2026-05-12 08:52:07

Piping Echo

Time of First Successful Submission: 2026-05-12 11:06:49

Piping Stdout

Time of First Successful Submission: 2026-05-12 11:11:29

Piping Stdin

Time of First Successful Submission: 2026-05-12 11:31:09


Start Here

12 / 12 2429 / 47541


Using the Terminal

Time of First Successful Submission: 2026-05-12 06:09:08

Using the VSCode Workspace

Time of First Successful Submission: 2026-05-12 06:17:20

Using the GUI Desktop

Time of First Successful Submission: 2026-05-12 06:20:06

Pasting into the Desktop

Time of First Successful Submission: 2026-05-12 06:22:05

Restarting Challenges

Time of First Successful Submission: 2026-05-12 06:27:27

Challenge Programs

Time of First Successful Submission: 2026-05-12 05:41:28

The Flag File

Time of First Successful Submission: 2026-05-12 05:45:52

Using Privileged Mode

Time of First Successful Submission: 2026-05-12 05:58:56

Persistent Home Directories - One

Time of First Successful Submission: 2026-05-12 06:06:47

Persistent Home Directories - Two

Time of First Successful Submission: 2026-05-12 06:07:27


Linux Luminarium

128 / 128 3133 / 35514


Intro to Commands

Time of First Successful Submission: 2026-05-12 07:28:12

Intro to Arguments

Time of First Successful Submission: 2026-05-12 07:29:09

Command History

Time of First Successful Submission: 2026-05-12 07:29:35

The Root

Time of First Successful Submission: 2026-05-12 07:30:33

Program and absolute paths

Time of First Successful Submission: 2026-05-12 07:38:12

Position thy self

Time of First Successful Submission: 2026-05-12 07:39:21

Position elsewhere

Time of First Successful Submission: 2026-05-12 07:41:31

implicit relative paths, from /

Time of First Successful Submission: 2026-05-12 07:43:56

explicit relative paths, from /

Time of First Successful Submission: 2026-05-12 07:44:36

implicit relative path

Time of First Successful Submission: 2026-05-12 07:46:02

home sweet home

Time of First Successful Submission: 2026-05-12 07:53:58

cat: not the pet, but the command!

Time of First Successful Submission: 2026-05-12 08:05:39

catting absolute paths

Time of First Successful Submission: 2026-05-12 08:06:10

more catting practice

Time of First Successful Submission: 2026-05-12 08:07:09

grepping for a needle in a haystack

Time of First Successful Submission: 2026-05-12 08:07:41

comparing files

Time of First Successful Submission: 2026-05-12 08:08:45

listing files

Time of First Successful Submission: 2026-05-12 08:09:24

touching files

Time of First Successful Submission: 2026-05-12 08:09:58

removing files

Time of First Successful Submission: 2026-05-12 08:10:32

moving files

Time of First Successful Submission: 2026-05-12 08:16:00

copying files

Time of First Successful Submission: 2026-05-12 08:26:54

hidden files

Time of First Successful Submission: 2026-05-12 08:27:38

An Epic Filesystem Quest

Time of First Successful Submission: 2026-05-12 08:33:46

making directories

Time of First Successful Submission: 2026-05-12 08:48:26

finding files

Time of First Successful Submission: 2026-05-12 08:52:07

linking files

Time of First Successful Submission: 2026-05-12 08:56:36

Learning From Documentation

Time of First Successful Submission: 2026-05-12 09:23:51

Learning Complex Usage

Time of First Successful Submission: 2026-05-12 09:25:33

Reading Manuals

Time of First Successful Submission: 2026-05-12 09:33:59

Searching Manuals

Time of First Successful Submission: 2026-05-12 09:36:43

Searching For Manuals

Time of First Successful Submission: 2026-05-12 09:43:30

Helpful Programs

Time of First Successful Submission: 2026-05-12 09:44:57

Help for Builtins

Time of First Successful Submission: 2026-05-12 09:46:09

Matching with *

Time of First Successful Submission: 2026-05-12 09:58:06

Matching with ?

Time of First Successful Submission: 2026-05-12 10:00:09

Matching with []

Time of First Successful Submission: 2026-05-12 10:05:46

Matching paths with []

Time of First Successful Submission: 2026-05-12 10:09:19

Multiple globs

Time of First Successful Submission: 2026-05-12 10:12:21

Mixing globs

Time of First Successful Submission: 2026-05-12 10:35:10

Exclusionary globbing

Time of First Successful Submission: 2026-05-12 10:36:34

Tab completion

Time of First Successful Submission: 2026-05-12 10:38:15

Multiple options for tab completion

Time of First Successful Submission: 2026-05-12 10:43:56

Tab completion on commands

Time of First Successful Submission: 2026-05-12 10:45:00

Redirecting output

Time of First Successful Submission: 2026-05-12 11:06:49

Redirecting more output

Time of First Successful Submission: 2026-05-12 11:11:29

Appending output

Time of First Successful Submission: 2026-05-12 11:23:19

Redirecting errors

Time of First Successful Submission: 2026-05-12 11:29:42

Redirecting input

Time of First Successful Submission: 2026-05-12 11:31:09

Grepping stored results

Time of First Successful Submission: 2026-05-13 04:42:31

Grepping live output

Time of First Successful Submission: 2026-05-13 04:46:23

Grepping errors

Time of First Successful Submission: 2026-05-13 04:49:58

Filtering with grep -v

Time of First Successful Submission: 2026-05-13 04:56:53

Filtering with sed

Time of First Successful Submission: 2026-05-13 04:59:55

Duplicating piped data with tee

Time of First Successful Submission: 2026-05-13 05:55:01

Process substitution for input

Time of First Successful Submission: 2026-05-13 07:35:27

Writing to multiple programs

Time of First Successful Submission: 2026-05-13 08:01:42

Split-piping stderr and stdout

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

Named pipes

Time of First Successful Submission: 2026-05-14 02:39:35

Printing Variables

Time of First Successful Submission: 2026-05-14 09:53:53

Setting Variables

Time of First Successful Submission: 2026-05-14 09:54:39

Multi-word Variables

Time of First Successful Submission: 2026-05-14 09:58:08

Exporting Variables

Time of First Successful Submission: 2026-05-14 10:02:02

Printing Exported Variables

Time of First Successful Submission: 2026-05-14 10:02:49

Storing Command Output

Time of First Successful Submission: 2026-05-14 10:24:34

Reading Input

Time of First Successful Submission: 2026-05-14 10:41:33

Reading Files

Time of First Successful Submission: 2026-05-14 10:44:41

Translating characters

Time of First Successful Submission: 2026-05-14 11:00:25

Deleting characters

Time of First Successful Submission: 2026-05-14 11:02:01

Deleting newlines

Time of First Successful Submission: 2026-05-14 11:04:41

Extracting the first lines with head

Time of First Successful Submission: 2026-05-14 11:07:56

Extracting specific sections of text

Time of First Successful Submission: 2026-05-14 11:09:40

Sorting data

Time of First Successful Submission: 2026-05-14 11:12:17

Listing Processes

Time of First Successful Submission: 2026-05-15 02:39:48

Killing Processes

Time of First Successful Submission: 2026-05-15 02:40:48

Interrupting Processes

Time of First Successful Submission: 2026-05-15 02:41:15

Killing Misbehaving Processes

Time of First Successful Submission: 2026-05-15 02:45:38

Suspending Processes

Time of First Successful Submission: 2026-05-15 02:49:02

Resuming Processes

Time of First Successful Submission: 2026-05-15 03:33:37

Backgrounding Processes

Time of First Successful Submission: 2026-05-15 03:46:15

Foregrounding Processes

Time of First Successful Submission: 2026-05-15 03:49:48

Starting Backgrounded Processes

Time of First Successful Submission: 2026-05-15 03:57:36

Process Exit Codes

Time of First Successful Submission: 2026-05-15 04:05:14

Becoming root with su

Time of First Successful Submission: 2026-05-15 05:51:15

Other users with su

Time of First Successful Submission: 2026-05-15 05:52:06

Cracking passwords

Time of First Successful Submission: 2026-05-15 07:38:38

Using sudo

Time of First Successful Submission: 2026-05-15 07:54:03

Changing File Ownership

Time of First Successful Submission: 2026-05-15 09:10:42

Groups and Files

Time of First Successful Submission: 2026-05-15 09:18:47

Fun With Groups Names

Time of First Successful Submission: 2026-05-15 09:36:31

Changing Permissions

Time of First Successful Submission: 2026-05-15 09:37:47

Executable Files

Time of First Successful Submission: 2026-05-15 09:38:49

Permission Tweaking Practice

Time of First Successful Submission: 2026-05-15 10:00:17

Permissions Setting Practice

Time of First Successful Submission: 2026-05-15 10:18:10

The SUID Bit

Time of First Successful Submission: 2026-05-15 10:23:54

Chaining with Semicolons

Time of First Successful Submission: 2026-05-15 11:01:13

Building on Success

Time of First Successful Submission: 2026-05-15 11:01:39

Handling Failure

Time of First Successful Submission: 2026-05-15 11:02:04

Your First Shell Script

Time of First Successful Submission: 2026-05-18 02:33:37

Redirecting Script Output

Time of First Successful Submission: 2026-05-18 02:36:21

Executable Shell Scripts

Time of First Successful Submission: 2026-05-18 02:38:21

Understanding Shebangs

Time of First Successful Submission: 2026-05-18 02:41:40

Scripting with Arguments

Time of First Successful Submission: 2026-05-18 02:44:03

Scripting with Conditionals

Time of First Successful Submission: 2026-05-18 03:40:31

Scripting with Default Cases

Time of First Successful Submission: 2026-05-18 03:42:49

Scripting with Multiple Conditions

Time of First Successful Submission: 2026-05-18 03:46:55

Reading Shell Scripts

Time of First Successful Submission: 2026-05-18 03:50:53

Launching Screen

Time of First Successful Submission: 2026-05-18 03:52:42

Detaching and Attaching

Time of First Successful Submission: 2026-05-18 03:58:16

Finding Sessions

Time of First Successful Submission: 2026-05-18 04:05:32

Switching Windows

Time of First Successful Submission: 2026-05-18 04:18:45

Detaching and Attaching (tmux)

Time of First Successful Submission: 2026-05-18 04:22:10

Switching Windows (tmux)

Time of First Successful Submission: 2026-05-18 04:23:24

The PATH Variable

Time of First Successful Submission: 2026-05-18 04:27:43

Setting PATH

Time of First Successful Submission: 2026-05-18 04:31:49

Finding Commands

Time of First Successful Submission: 2026-05-18 04:34:11

Adding Commands

Time of First Successful Submission: 2026-05-18 05:03:01

Hijacking Commands

Time of First Successful Submission: 2026-05-18 05:24:24

Bashrc Backdoor

Time of First Successful Submission: 2026-05-18 05:36:53

Sniffing Input

Time of First Successful Submission: 2026-05-18 06:12:39

Overshared Directories

Time of First Successful Submission: 2026-05-18 09:06:15

Tricky Linking

Time of First Successful Submission: 2026-05-18 10:32:27

Sniffing Process Arguments

Time of First Successful Submission: 2026-05-19 09:50:22

Snooping on Configurations

Time of First Successful Submission: 2026-05-19 09:53:15

The Fork Bomb

Time of First Successful Submission: 2026-05-19 10:54:55

Disk-Space Doomsday

Time of First Successful Submission: 2026-05-19 11:33:17

rm -rf /

Time of First Successful Submission: 2026-05-19 10:30:55

Life after rm -rf /

Time of First Successful Submission: 2026-05-19 11:09:26

Finding meaning after rm -rf /

Time of First Successful Submission: 2026-05-19 11:20:24


Playing With Programs

73 / 116 3152 / 24122


HTTP (netcat)

Time of First Successful Submission: 2022-12-29 18:49:08

HTTP Paths (netcat)

Time of First Successful Submission: 2022-12-29 19:05:33

HTTP (curl)

Time of First Successful Submission: 2022-12-29 19:03:09

HTTP (python)

Time of First Successful Submission: 2022-12-29 19:08:41

HTTP Host Header (python)

Time of First Successful Submission: 2022-12-29 19:00:36

HTTP Host Header (curl)

Time of First Successful Submission: 2022-12-29 18:55:04

HTTP Host Header (netcat)

Time of First Successful Submission: 2022-12-29 18:57:50

URL Encoding (netcat)

Time of First Successful Submission: 2022-12-29 19:16:59

HTTP GET Parameters

Time of First Successful Submission: 2022-12-29 19:18:49

Multiple HTTP Parameters (netcat)

Time of First Successful Submission: 2022-12-29 19:35:34

Multiple HTTP Parameters (curl)

Time of First Successful Submission: 2022-12-29 19:31:59

HTTP Forms (curl)

Time of First Successful Submission: 2022-12-29 19:43:22

HTTP Forms (netcat)

Time of First Successful Submission: 2023-01-10 17:48:00

HTTP Forms (python)

Time of First Successful Submission: 2022-12-29 20:09:26

Multiple Form Fields (curl)

Time of First Successful Submission: 2022-12-29 20:11:44

Multiple Form Fields (netcat)

Time of First Successful Submission: 2023-01-10 18:28:48

HTTP Redirects (netcat)

Time of First Successful Submission: 2023-01-10 19:50:50

HTTP Redirects (curl)

Time of First Successful Submission: 2023-01-10 19:48:10

HTTP Redirects (python)

Time of First Successful Submission: 2023-01-10 19:52:43

HTTP Cookies (curl)

Time of First Successful Submission: 2023-01-10 19:56:38

HTTP Cookies (netcat)

Time of First Successful Submission: 2023-01-10 19:59:18

HTTP Cookies (python)

Time of First Successful Submission: 2023-01-10 20:02:05

cat

Time of First Successful Submission: 2022-12-19 18:55:08

more

Time of First Successful Submission: 2022-12-19 19:01:19

less

Time of First Successful Submission: 2022-12-19 19:07:19

tail

Time of First Successful Submission: 2022-12-19 19:09:58

head

Time of First Successful Submission: 2022-12-19 19:13:34

sort

Time of First Successful Submission: 2022-12-19 19:15:43

vim

Time of First Successful Submission: 2022-12-19 19:19:05

emacs

Time of First Successful Submission: 2022-12-19 19:21:59

nano

Time of First Successful Submission: 2022-12-19 19:24:21

rev

Time of First Successful Submission: 2022-12-19 19:25:57

od

Time of First Successful Submission: 2022-12-27 10:03:01

hd

Time of First Successful Submission: 2022-12-27 10:17:04

xxd

Time of First Successful Submission: 2022-12-27 18:47:37

base32

Time of First Successful Submission: 2022-12-27 18:52:43

base64

Time of First Successful Submission: 2022-12-27 18:54:44

split

Time of First Successful Submission: 2022-12-27 19:02:12

gzip

Time of First Successful Submission: 2022-12-27 19:08:38

bzip2

Time of First Successful Submission: 2022-12-27 19:13:03

zip

Time of First Successful Submission: 2022-12-27 19:21:33

tar

Time of First Successful Submission: 2022-12-27 19:29:27

ar

Time of First Successful Submission: 2022-12-27 19:33:39

cpio

Time of First Successful Submission: 2022-12-27 19:43:44

genisoimage

Time of First Successful Submission: 2022-12-27 19:48:43

env

Time of First Successful Submission: 2022-12-27 19:52:07

find

Time of First Successful Submission: 2022-12-27 19:54:23

make

Time of First Successful Submission: 2022-12-27 19:57:09

nice

Time of First Successful Submission: 2022-12-27 19:59:41

timeout

Time of First Successful Submission: 2022-12-27 20:02:32

stdbuf

Time of First Successful Submission: 2022-12-27 20:04:35

setarch

Time of First Successful Submission: 2022-12-27 20:07:16

watch

Time of First Successful Submission: 2022-12-28 08:11:50

socat

Time of First Successful Submission: 2022-12-28 08:16:47

whiptail

Time of First Successful Submission: 2022-12-28 08:45:58

awk

Time of First Successful Submission: 2022-12-28 09:04:30

sed

Time of First Successful Submission: 2022-12-28 09:06:52

ed

Time of First Successful Submission: 2022-12-28 09:11:47

chown

Time of First Successful Submission: 2022-12-28 09:17:50

chmod

Time of First Successful Submission: 2022-12-28 09:21:04

cp

Time of First Successful Submission: 2022-12-28 09:23:37

mv

Time of First Successful Submission: 2022-12-28 11:05:16

perl

Time of First Successful Submission: 2022-12-28 11:07:58

python

Time of First Successful Submission: 2022-12-28 11:11:16

ruby

Time of First Successful Submission: 2022-12-28 11:42:02

bash

Time of First Successful Submission: 2022-12-28 11:43:46

date

Time of First Successful Submission: 2022-12-28 11:45:57

dmesg

Time of First Successful Submission: 2022-12-28 11:47:53

wc

Time of First Successful Submission: 2022-12-28 11:51:36

gcc

Time of First Successful Submission: 2022-12-28 11:53:50

as

Time of First Successful Submission: 2022-12-28 11:55:57

wget

Time of First Successful Submission: 2022-12-28 12:02:57

ssh-keygen

Time of First Successful Submission: 2022-12-28 13:43:04


DSU Cyber Camps

12 / 104 2735 / 47836


Using the Terminal

Time of First Successful Submission: 2026-05-12 06:09:08

Using the VSCode Workspace

Time of First Successful Submission: 2026-05-12 06:17:20

Using the GUI Desktop

Time of First Successful Submission: 2026-05-12 06:20:06

Pasting into the Desktop

Time of First Successful Submission: 2026-05-12 06:22:05

Connecting over SSH

Time of First Successful Submission: 2026-05-12 06:25:08

Restarting Challenges

Time of First Successful Submission: 2026-05-12 06:27:27

Getting Help

Time of First Successful Submission: 2026-05-12 07:20:35

Challenge Programs

Time of First Successful Submission: 2026-05-12 05:41:28

The Flag File

Time of First Successful Submission: 2026-05-12 05:45:52

Using Privileged Mode

Time of First Successful Submission: 2026-05-12 05:58:56

Persistent Home Directories - One

Time of First Successful Submission: 2026-05-12 06:06:47

Persistent Home Directories - Two

Time of First Successful Submission: 2026-05-12 06:07:27


GCA CTF

12 / 104 2735 / 47836


Using the Terminal

Time of First Successful Submission: 2026-05-12 06:09:08

Using the VSCode Workspace

Time of First Successful Submission: 2026-05-12 06:17:20

Using the GUI Desktop

Time of First Successful Submission: 2026-05-12 06:20:06

Pasting into the Desktop

Time of First Successful Submission: 2026-05-12 06:22:05

Connecting over SSH

Time of First Successful Submission: 2026-05-12 06:25:08

Restarting Challenges

Time of First Successful Submission: 2026-05-12 06:27:27

Getting Help

Time of First Successful Submission: 2026-05-12 07:20:35

Challenge Programs

Time of First Successful Submission: 2026-05-12 05:41:28

The Flag File

Time of First Successful Submission: 2026-05-12 05:45:52

Using Privileged Mode

Time of First Successful Submission: 2026-05-12 05:58:56

Persistent Home Directories - One

Time of First Successful Submission: 2026-05-12 06:06:47

Persistent Home Directories - Two

Time of First Successful Submission: 2026-05-12 06:07:27