Venera

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Intro to Programming Languages

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Commands

Time of First Successful Submission: 2026-05-26 09:40:51

Command Arguments

Time of First Successful Submission: 2026-05-26 09:42:22

Command History

Time of First Successful Submission: 2026-05-26 09:43:26

The Root Path

Time of First Successful Submission: 2026-05-26 09:57:20

Absolute Paths

Time of First Successful Submission: 2026-05-26 09:59:25

Changing position

Time of First Successful Submission: 2026-05-26 10:01:57

Changing to an Absolute Path

Time of First Successful Submission: 2026-05-26 10:11:12

Relative Paths

Time of First Successful Submission: 2026-05-26 10:17:23

Cat

Time of First Successful Submission: 2026-05-26 11:06:00

Ls

Time of First Successful Submission: 2026-05-26 11:46:04

Ls All

Time of First Successful Submission: 2026-05-26 11:58:22

Find

Time of First Successful Submission: 2026-05-26 12:26:43

Piping Echo

Time of First Successful Submission: 2026-05-29 13:20:27

Piping Stdout

Time of First Successful Submission: 2026-05-29 13:28:10

Piping Stdin

Time of First Successful Submission: 2026-05-29 13:37:13


Start Here

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Using the Terminal

Time of First Successful Submission: 2026-05-25 13:28:49

Using the VSCode Workspace

Time of First Successful Submission: 2026-05-25 13:33:22

Using the GUI Desktop

Time of First Successful Submission: 2026-05-25 13:37:59

Pasting into the Desktop

Time of First Successful Submission: 2026-05-25 13:40:41

Restarting Challenges

Time of First Successful Submission: 2026-05-25 13:56:00

Challenge Programs

Time of First Successful Submission: 2026-05-25 14:07:40

The Flag File

Time of First Successful Submission: 2026-05-25 14:10:01

Using Privileged Mode

Time of First Successful Submission: 2026-05-25 14:15:06

Persistent Home Directories - One

Time of First Successful Submission: 2026-05-25 14:20:05

Persistent Home Directories - Two

Time of First Successful Submission: 2026-05-25 14:21:25


Linux Luminarium

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Intro to Commands

Time of First Successful Submission: 2026-05-26 09:40:51

Intro to Arguments

Time of First Successful Submission: 2026-05-26 09:42:22

Command History

Time of First Successful Submission: 2026-05-26 09:43:26

The Root

Time of First Successful Submission: 2026-05-26 09:57:20

Program and absolute paths

Time of First Successful Submission: 2026-05-26 09:59:25

Position thy self

Time of First Successful Submission: 2026-05-26 10:01:57

Position elsewhere

Time of First Successful Submission: 2026-05-26 10:11:12

implicit relative paths, from /

Time of First Successful Submission: 2026-05-26 10:17:23

explicit relative paths, from /

Time of First Successful Submission: 2026-05-26 10:22:10

implicit relative path

Time of First Successful Submission: 2026-05-26 10:23:46

home sweet home

Time of First Successful Submission: 2026-05-26 10:30:28

cat: not the pet, but the command!

Time of First Successful Submission: 2026-05-26 11:06:00

catting absolute paths

Time of First Successful Submission: 2026-05-26 11:07:08

more catting practice

Time of First Successful Submission: 2026-05-26 11:21:07

grepping for a needle in a haystack

Time of First Successful Submission: 2026-05-26 11:30:40

comparing files

Time of First Successful Submission: 2026-05-26 11:44:15

listing files

Time of First Successful Submission: 2026-05-26 11:46:04

touching files

Time of First Successful Submission: 2026-05-26 11:48:39

removing files

Time of First Successful Submission: 2026-05-26 11:51:21

moving files

Time of First Successful Submission: 2026-05-26 11:53:13

copying files

Time of First Successful Submission: 2026-05-26 11:54:19

hidden files

Time of First Successful Submission: 2026-05-26 11:58:22

An Epic Filesystem Quest

Time of First Successful Submission: 2026-05-26 12:18:07

making directories

Time of First Successful Submission: 2026-05-26 12:22:49

finding files

Time of First Successful Submission: 2026-05-26 12:26:43

linking files

Time of First Successful Submission: 2026-05-26 12:41:28

Learning From Documentation

Time of First Successful Submission: 2026-05-27 13:20:27

Learning Complex Usage

Time of First Successful Submission: 2026-05-27 14:53:17

Reading Manuals

Time of First Successful Submission: 2026-05-27 14:56:30

Searching Manuals

Time of First Successful Submission: 2026-05-27 15:02:29

Searching For Manuals

Time of First Successful Submission: 2026-05-27 15:15:16

Helpful Programs

Time of First Successful Submission: 2026-05-27 15:19:02

Help for Builtins

Time of First Successful Submission: 2026-05-27 15:23:43

Matching with *

Time of First Successful Submission: 2026-05-28 11:23:11

Matching with ?

Time of First Successful Submission: 2026-05-28 11:29:51

Matching with []

Time of First Successful Submission: 2026-05-28 11:39:20

Matching paths with []

Time of First Successful Submission: 2026-05-28 11:48:48

Multiple globs

Time of First Successful Submission: 2026-05-28 11:52:47

Mixing globs

Time of First Successful Submission: 2026-05-28 11:59:50

Exclusionary globbing

Time of First Successful Submission: 2026-05-28 12:03:11

Tab completion

Time of First Successful Submission: 2026-05-28 12:12:48

Multiple options for tab completion

Time of First Successful Submission: 2026-05-28 12:14:42

Tab completion on commands

Time of First Successful Submission: 2026-05-28 12:19:04

Redirecting output

Time of First Successful Submission: 2026-05-29 13:20:27

Redirecting more output

Time of First Successful Submission: 2026-05-29 13:28:10

Appending output

Time of First Successful Submission: 2026-05-29 13:30:12

Redirecting errors

Time of First Successful Submission: 2026-05-29 13:33:22

Redirecting input

Time of First Successful Submission: 2026-05-29 13:37:13

Grepping stored results

Time of First Successful Submission: 2026-05-29 13:41:10

Grepping live output

Time of First Successful Submission: 2026-05-29 13:47:42

Grepping errors

Time of First Successful Submission: 2026-05-29 17:52:14

Filtering with grep -v

Time of First Successful Submission: 2026-05-29 17:54:05

Filtering with sed

Time of First Successful Submission: 2026-05-29 17:58:28

Duplicating piped data with tee

Time of First Successful Submission: 2026-05-29 18:29:47

Process substitution for input

Time of First Successful Submission: 2026-05-29 18:33:41

Writing to multiple programs

Time of First Successful Submission: 2026-05-29 18:36:18

Split-piping stderr and stdout

Time of First Successful Submission: 2026-05-29 18:38:27

Named pipes

Time of First Successful Submission: 2026-05-29 18:46:07

Printing Variables

Time of First Successful Submission: 2026-05-29 18:47:54

Setting Variables

Time of First Successful Submission: 2026-05-29 18:49:55

Multi-word Variables

Time of First Successful Submission: 2026-05-29 18:51:54

Exporting Variables

Time of First Successful Submission: 2026-05-29 18:54:19

Printing Exported Variables

Time of First Successful Submission: 2026-05-29 18:55:40

Storing Command Output

Time of First Successful Submission: 2026-05-29 18:59:21

Reading Input

Time of First Successful Submission: 2026-05-29 19:03:36

Reading Files

Time of First Successful Submission: 2026-05-29 19:05:35

Translating characters

Time of First Successful Submission: 2026-05-30 03:58:01

Deleting characters

Time of First Successful Submission: 2026-05-30 03:42:18

Deleting newlines

Time of First Successful Submission: 2026-05-30 03:47:50

Extracting the first lines with head

Time of First Successful Submission: 2026-05-30 03:50:13

Extracting specific sections of text

Time of First Successful Submission: 2026-05-30 03:55:21

Sorting data

Time of First Successful Submission: 2026-05-30 03:56:46

Listing Processes

Time of First Successful Submission: 2026-06-03 17:55:04

Killing Processes

Time of First Successful Submission: 2026-06-03 17:57:02

Interrupting Processes

Time of First Successful Submission: 2026-06-03 17:58:16

Killing Misbehaving Processes

Time of First Successful Submission: 2026-06-03 18:12:51

Suspending Processes

Time of First Successful Submission: 2026-06-03 18:59:48

Resuming Processes

Time of First Successful Submission: 2026-06-03 19:03:07

Backgrounding Processes

Time of First Successful Submission: 2026-06-03 19:08:26

Foregrounding Processes

Time of First Successful Submission: 2026-06-03 19:11:31

Starting Backgrounded Processes

Time of First Successful Submission: 2026-06-03 19:13:43

Process Exit Codes

Time of First Successful Submission: 2026-06-03 19:19:59

Becoming root with su

Time of First Successful Submission: 2026-06-03 20:27:24

Other users with su

Time of First Successful Submission: 2026-06-03 19:53:31

Cracking passwords

Time of First Successful Submission: 2026-06-03 20:17:54

Using sudo

Time of First Successful Submission: 2026-06-03 20:24:10

Changing File Ownership

Time of First Successful Submission: 2026-06-06 17:38:59

Groups and Files

Time of First Successful Submission: 2026-06-06 17:44:07

Fun With Groups Names

Time of First Successful Submission: 2026-06-06 17:47:11

Changing Permissions

Time of First Successful Submission: 2026-06-06 17:50:20

Executable Files

Time of First Successful Submission: 2026-06-06 17:56:32

Permission Tweaking Practice

Time of First Successful Submission: 2026-06-06 18:18:11

Permissions Setting Practice

Time of First Successful Submission: 2026-06-06 18:57:39

The SUID Bit

Time of First Successful Submission: 2026-06-06 19:00:44

Chaining with Semicolons

Time of First Successful Submission: 2026-06-06 19:04:48

Building on Success

Time of First Successful Submission: 2026-06-06 19:08:53

Handling Failure

Time of First Successful Submission: 2026-06-06 19:12:33

Your First Shell Script

Time of First Successful Submission: 2026-06-06 19:17:20

Redirecting Script Output

Time of First Successful Submission: 2026-06-06 19:35:55

Executable Shell Scripts

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

Understanding Shebangs

Time of First Successful Submission: 2026-06-06 19:45:50

Scripting with Arguments

Time of First Successful Submission: 2026-06-06 19:55:49

Scripting with Conditionals

Time of First Successful Submission: 2026-06-06 20:03:38

Scripting with Default Cases

Time of First Successful Submission: 2026-06-06 20:08:26

Scripting with Multiple Conditions

Time of First Successful Submission: 2026-06-06 20:21:23

Reading Shell Scripts

Time of First Successful Submission: 2026-06-06 20:27:03

Launching Screen

Time of First Successful Submission: 2026-06-04 20:15:32

Detaching and Attaching

Time of First Successful Submission: 2026-06-04 20:19:48

Finding Sessions

Time of First Successful Submission: 2026-06-04 20:24:11

Switching Windows

Time of First Successful Submission: 2026-06-04 20:29:50

Detaching and Attaching (tmux)

Time of First Successful Submission: 2026-06-04 20:33:43

Switching Windows (tmux)

Time of First Successful Submission: 2026-06-04 20:36:04

The PATH Variable

Time of First Successful Submission: 2026-06-05 18:40:35

Setting PATH

Time of First Successful Submission: 2026-06-05 18:42:53

Finding Commands

Time of First Successful Submission: 2026-06-05 18:48:02

Adding Commands

Time of First Successful Submission: 2026-06-05 18:57:26

Hijacking Commands

Time of First Successful Submission: 2026-06-05 19:16:37

Bashrc Backdoor

Time of First Successful Submission: 2026-06-07 11:17:21

Sniffing Input

Time of First Successful Submission: 2026-06-07 18:14:00

Overshared Directories

Time of First Successful Submission: 2026-06-08 10:32:40

Tricky Linking

Time of First Successful Submission: 2026-06-08 11:02:10

Sniffing Process Arguments

Time of First Successful Submission: 2026-06-08 11:14:21

Snooping on Configurations

Time of First Successful Submission: 2026-06-08 11:27:45

The Fork Bomb

Time of First Successful Submission: 2026-06-08 11:49:15

Disk-Space Doomsday

Time of First Successful Submission: 2026-06-08 11:54:28

rm -rf /

Time of First Successful Submission: 2026-06-08 11:57:55

Life after rm -rf /

Time of First Successful Submission: 2026-06-08 12:01:24

Finding meaning after rm -rf /

Time of First Successful Submission: 2026-06-08 12:07:05


Computing 101

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Your First Register

Time of First Successful Submission: 2026-06-10 12:32:06

Your First Syscall

Time of First Successful Submission: 2026-06-10 12:35:42

Exit Codes

Time of First Successful Submission: 2026-06-10 12:39:21

Building Executables

Time of First Successful Submission: 2026-06-10 12:47:14

Moving Between Registers

Time of First Successful Submission: 2026-06-10 12:56:48

Loading From Memory

Time of First Successful Submission: 2026-06-11 18:39:50

More Loading Practice

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

Dereferencing Pointers

Time of First Successful Submission: 2026-06-12 12:22:20

Dereferencing Yourself

Time of First Successful Submission: 2026-06-12 12:26:27

Dereferencing with Offsets

Time of First Successful Submission: 2026-06-12 12:31:30

Stored Addresses

Time of First Successful Submission: 2026-06-12 12:42:45

Double Dereference

Time of First Successful Submission: 2026-06-12 12:48:03

The Stack

Time of First Successful Submission: 2026-06-13 12:43:57

Stack Offsets

Time of First Successful Submission: 2026-06-13 13:25:16

Program Arguments on the Stack

Time of First Successful Submission: 2026-06-13 13:36:29

Popping From the Stack

Time of First Successful Submission: 2026-06-13 13:42:31

Negative Numbers

Time of First Successful Submission: 2026-06-16 10:53:45

Negative Numbers (16-bit)

Time of First Successful Submission: 2026-06-20 14:56:16

Negative Numbers (32-bit)

Time of First Successful Submission: 2026-06-20 15:08:01

Encoding Negatives

Time of First Successful Submission: 2026-06-22 12:15:23

Binary and Hex Encoding

Time of First Successful Submission: 2026-06-22 12:18:32

More Hex

Time of First Successful Submission: 2026-06-22 12:21:50

Decoding Hex

Time of First Successful Submission: 2026-06-22 12:24:29

Mixed Conversions

Time of First Successful Submission: 2026-06-22 12:32:37


Playing With Programs

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What's the password?

Time of First Successful Submission: 2026-05-30 09:48:36

... and again!

Time of First Successful Submission: 2026-05-30 09:50:08

Newline Troubles

Time of First Successful Submission: 2026-05-30 09:56:05

Reasoning about files

Time of First Successful Submission: 2026-05-30 10:07:43

Specifying Filenames

Time of First Successful Submission: 2026-05-30 10:41:21

Binary and Hex Encoding

Time of First Successful Submission: 2026-05-30 10:47:07

SQL Queries

Time of First Successful Submission: 2026-05-31 19:40:28

Filtering SQL

Time of First Successful Submission: 2026-05-31 19:56:14

Choosing Columns

Time of First Successful Submission: 2026-06-01 17:43:02

Exclusionary Filtering

Time of First Successful Submission: 2026-06-01 17:54:30

Filtering Strings

Time of First Successful Submission: 2026-06-01 17:59:37

Filtering on Expressions

Time of First Successful Submission: 2026-06-01 18:10:03

SELECTing Expressions

Time of First Successful Submission: 2026-06-01 18:35:21

Composite Conditions

Time of First Successful Submission: 2026-06-01 18:41:36

Reaching Your LIMITs

Time of First Successful Submission: 2026-06-01 18:44:16

Querying Metadata

Time of First Successful Submission: 2026-06-01 18:48:15


DSU Cyber Camps

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Using the Terminal

Time of First Successful Submission: 2026-05-25 13:28:49

Using the VSCode Workspace

Time of First Successful Submission: 2026-05-25 13:33:22

Using the GUI Desktop

Time of First Successful Submission: 2026-05-25 13:37:59

Pasting into the Desktop

Time of First Successful Submission: 2026-05-25 13:40:41

Connecting over SSH

Time of First Successful Submission: 2026-05-25 13:51:20

Restarting Challenges

Time of First Successful Submission: 2026-05-25 13:56:00

Getting Help

Time of First Successful Submission: 2026-05-25 14:03:17

Challenge Programs

Time of First Successful Submission: 2026-05-25 14:07:40

The Flag File

Time of First Successful Submission: 2026-05-25 14:10:01

Using Privileged Mode

Time of First Successful Submission: 2026-05-25 14:15:06

Persistent Home Directories - One

Time of First Successful Submission: 2026-05-25 14:20:05

Persistent Home Directories - Two

Time of First Successful Submission: 2026-05-25 14:21:25


GCA CTF

12 / 104 2956 / 49083


Using the Terminal

Time of First Successful Submission: 2026-05-25 13:28:49

Using the VSCode Workspace

Time of First Successful Submission: 2026-05-25 13:33:22

Using the GUI Desktop

Time of First Successful Submission: 2026-05-25 13:37:59

Pasting into the Desktop

Time of First Successful Submission: 2026-05-25 13:40:41

Connecting over SSH

Time of First Successful Submission: 2026-05-25 13:51:20

Restarting Challenges

Time of First Successful Submission: 2026-05-25 13:56:00

Getting Help

Time of First Successful Submission: 2026-05-25 14:03:17

Challenge Programs

Time of First Successful Submission: 2026-05-25 14:07:40

The Flag File

Time of First Successful Submission: 2026-05-25 14:10:01

Using Privileged Mode

Time of First Successful Submission: 2026-05-25 14:15:06

Persistent Home Directories - One

Time of First Successful Submission: 2026-05-25 14:20:05

Persistent Home Directories - Two

Time of First Successful Submission: 2026-05-25 14:21:25