2 Commits

Author SHA1 Message Date
venus
8efe0b7836 Merge branch 'master' of https://git.riverrooks.dev/venus/blog 2026-03-31 02:08:05 -05:00
venus
52e2f446d1 working on traefik integration 2026-03-31 02:07:49 -05:00
13 changed files with 381 additions and 20 deletions

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services:
app:
container_name: blog
build:
args:
- DEBUG_MODE=1
- obsidian_vault_url=https://git.riverrooks.dev/Personal-Wiki
- obsidian_vault_token=bd8cd9301ae2c1c5bacfb3340492acb5e862686a
ports:
- '8188:80'
volumes:
- ./content:/content #public
- ./public-vault:/vault #private
labels:
- "traefik.enable=true"
- "traefik.http.routers.blog.rule=Host(`riverrooks.dev`)"
- "traefik.http.routers.blog.entrypoints=websecure"
- "traefik.http.routers.blog.tls.certresolver=myresolver"
- "traefik.http.services.blog.loadbalancer.server.port=80"
networks:
- proxy
networks:
proxy:
external: true

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content/AWK cheatsheet.md Normal file
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---
tags:
- AI
- notes
- coding-notes
- docs
- public
---
### 1. Basic Syntax
The standard structure of an `awk` command:
Bash
```
awk [options] 'BEGIN { initialization } pattern { action } END { finalization }' file
```
commands
- **`BEGIN { ... }`**: Runs _once_ before the first line is read. Great for setting variables or printing headers.
- **`pattern`**: A condition (regex or math) that must be met for the action to run.
- **`{ action }`**: The command(s) executed on each line that matches the pattern.
- **`END { ... }`**: Runs _once_ after the last line is processed. Great for printing totals or summaries.
---
### 2. Common Command-Line Flags
|**Flag**|**Description**|**Example**|
|---|---|---|
|`-F`|Defines the field separator (default is space/tab)|`awk -F"," '{print $1}' file.csv`|
|`-v`|Assigns an external variable to use inside AWK|`awk -v max=100 '$1 > max' file`|
|`-f`|Reads AWK commands from a script file|`awk -f script.awk input.txt`|
|`-i inplace`|Edits the file in place (requires GNU awk)|`gawk -i inplace '{print $1}' file`|
---
### 3. Built-in Variables
|**Variable**|**Meaning**|**Example Use Case**|
|---|---|---|
|`$0`|The entire current line|`print $0`|
|`$1, $n`|The 1st, 2nd... _n_th field (column)|`print $2, $4`|
|`NR`|Number of Records (Current line number)|`NR > 1` (Skip headers)|
|`NF`|Number of Fields (Total columns in current line)|`print $NF` (Print the last column)|
|`FS`|Input Field Separator (Same as `-F`)|`BEGIN { FS=":" }`|
|`OFS`|Output Field Separator|`BEGIN { OFS="," }`|
|`RS`|Input Record Separator (Default: newline)|`BEGIN { RS="" }` (Paragraph mode)|
|`ORS`|Output Record Separator (Default: newline)|`BEGIN { ORS="\n\n" }` (Double space)|
---
### 4. Operators & Conditionals
**Relational & Logical Operators:**
- `==`, `!=`, `<`, `>`, `<=`, `>=` (Standard math comparisons)
- `~` (Matches regular expression)
- `!~` (Does not match regular expression)
- `&&` (AND), `||` (OR), `!` (NOT)
**Control Structures (used inside action blocks):**
```
# If/Else Statement
{ if ($1 > 50) print "Pass"; else print "Fail" }
# For Loop
{ for (i=1; i<=NF; i++) print $i }
# While Loop
{ i=1; while (i<=NF) { print $i; i++ } }
```
---
### 5. Essential Built-in Functions
|**Function**|**Description**|**Example**|
|---|---|---|
|`length(str)`|Returns the length of a string|`length($0) > 80`|
|`tolower(str)`|Converts string to lowercase|`print tolower($1)`|
|`toupper(str)`|Converts string to uppercase|`print toupper($1)`|
|`substr(s,p,l)`|Extracts substring from _s_ starting at _p_ with length _l_|`print substr($1, 1, 3)`|
|`gsub(r,s,t)`|Globally replaces regex _r_ with string _s_ in target _t_|`gsub(/apple/, "orange", $0)`|
---
### 6. Handy Everyday One-Liners
**Printing & Filtering:**
- **Print the last column of every line:**
Bash
```
awk '{ print $NF }' file.txt
```
- **Print lines longer than 80 characters:**
Bash
```
awk 'length($0) > 80' file.txt
```
- **Print lines matching "Error" or "Warning":**
Bash
```
awk '/Error|Warning/' file.log
```
**Math & Summaries:**
- **Sum the values in the first column:**
Bash
```
awk '{ sum += $1 } END { print sum }' numbers.txt
```
- **Calculate the average of the first column:**
Bash
```
awk '{ sum += $1 } END { print sum / NR }' numbers.txt
```
- **Count the number of empty lines:**
Bash
```
awk '/^$/ { count++ } END { print count }' file.txt
```
**Text Manipulation:**
- **Remove duplicate consecutive lines (simulates `uniq`):**
Bash
```
awk 'a != $0; { a = $0 }' file.txt
```
- **Number each line (simulates `cat -n`):**
Bash
```
awk '{ print NR, $0 }' file.txt
```
---

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content/C++.md Normal file
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---
tags:
- code
- notes
- docs
- School
- coding-notes
- CS-101
- public
---
# overview
OOP language
C code runs *almost* unchanged from C
```embed
title: "cplusplus.com"
image: "https://cplusplus.com/favicon.ico"
description: ""
url: "https://cplusplus.com/"
favicon: ""
```
```embed
title: "W3Schools.com"
image: "https://www.w3schools.com/images/w3schools_logo_436_2.png"
description: "W3Schools offers free online tutorials, references and exercises in all the major languages of the web. Covering popular subjects like HTML, CSS, JavaScript, Python, SQL, Java, and many, many more."
url: "https://www.w3schools.com/cpp/cpp_intro.asp"
favicon: ""
aspectRatio: "52.293577981651374"
```
```cpp
#include <iostream>
#include <stdexcept
template <typename T>
class Vector{
private:
T* data:
size_t sz;
size_t cap;
}
```
$\approx$

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#public
all non-osint CTF challenges can be solved through recursive steps until a flag is found
# 1. Explore
Analyze any data in plain text for a flag, or for the next command to run such as the results of a program.
>`cat problem.txt`
> `xxd -d asdasd238uasdkh`
> `curl challenge.org/asd`
Either solve the challenge with the flag, or determine the next program to execute
# 2 replicate
Build an isolated environment to replicate only the next program, and solve that step locally
# 3 Inject
Inject the payload that works on in the isolated environment
repeat Step 1

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#public
- **Cyber Crime**: Use computer/digital device to further illegal ends
> "nothings black and white in what we do, everything's got some gray"
## Types of crime
# Types of crime
- **Crimes Against People**: A digital crime where the victim is a person
- **Crimes Against Property**: A digital crime that damages, or illegally interacts with property
- **Crimes Against Government**: A digital crime to undermine the efficacy of a government
@@ -41,7 +41,7 @@ Nation-state attacks on power grids before Wars
- **Sneaker Net**: Moving information across barriers physicality
> proving an attack is one of the hardest questions to answer
# U.S. National cyber strategy
- **U.S. National cyber strategy**: anually updated policy document from the white house detailing the national cyber objectives
- **U.S. National cyber strategy**: annually updated policy document from the white house detailing the national cyber objectives
> it has been similar last few years

8
content/Discord ICS.md Normal file
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People submit week-at-a-galnce screenshots, or some form of their calendar.
Turn that into an ICS
Plugin discord bot that recognizes
>/schedule @p1 @p2
And finds available times to select. Then sends dm to users, emails them, and optional creates discord event
#public

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content/Formulas.md Normal file
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#public
# Work and energy
| Formula | equation | Usage |
| -------------------------------------- | ----------------------------------------------- | ----------------------------------- |
| Gravitational Potential Energy ($U_g$) | $U_g=mgh$ | Changes in height |
| Kinetic Energy | $K=\frac{1}{2}mv^2$ | Energy of motion |
| Work-Energy Theorem | $\Delta E_{mec} = \Delta K+\Delta U=W_{other}*$ | calculating the effects of friction |
| Variable | Symbol | SI Unit | Notes |
| --- | --- | --- | --- |
| Mass | m | kg | Convert from grams (g) if necessary. |
| Height / Distance | h,d | m | Measures vertical or horizontal displacement. |
| Velocity / Speed | v | m/s | Convert from km/h by dividing by 3.6.+3 |
| Gravity | g | m/s2 | Earth's standard is approximately 9.8 m/s2. |
| Energy / Work | $U_g$,K,W | J | 1 Joule = 1 kg⋅m2/s2. |
# Center Of Mass (CM)
| Formula | equation | Usage |
| -------------------------------------- | ----------------------------------------------- | ----------------------------------- |
| Position of COM X| $x_{com}=\frac{1}{M}\sum_{i=1}^{n}M_ix_i$ | find COM X|
| Position of COM Y| $y_{com}=\frac{1}{M}\sum_{i=1}^{n}M_iy_i$ | find COM Y|
| velocity of COM | $v_{com}=\frac{\sum m_iv_i}{M}$ | find the Velocity of COM |
| Variable | Symbol | SI Unit | Notes |
| --- | --- | --- | --- |
| Position (X or Y) | $x_{com},y_{com}$ | m | Coordinates on the Cartesian plane.+ 1|
| Total Mass | M | kg | The sum of all individual masses (m1+m2+…) |
| Velocity of CM | vcom | m/s | The speed at which the entire system's balance point moves |
# Linear Momentum and impulse
| Formula | equation | Usage |
| -------------------------------------- | ----------------------------------------------- | ----------------------------------- |
| Linear Momentum | p = mv | find linear momentum |
| Impulse | $J=\Delta p=F_{avg}\Delta t=\int F(t)dt$ | change in momentum. Also area under Force-time graph |
| Conservation Law | $P_{initial}=P_{final}$ | if net external force is 0, totoal momentum is constant |
| Elastic Collisions (1D) | $v_{1f}=(\frac{m_1-m_2}{m_1+m_2})v_i+(\frac{2m_2}{m_1+m_2})v_2i$| momentum and kinetic energy are conserved |
| completely inelastic collisions | $m_1v_{1i}+m_2v_{2i}=(m_1+m_2)v_f$ | find situation where the objects stick together |
| Variable | Symbol | SI Unit | Notes |
| --- | --- | --- | --- |
| Momentum | p | kg⋅m/s | Calculated as mass × velocity. |
| Impulse | J | N⋅s | Also equivalent to kg⋅m/ s.|
| Force | F | N | 1 Newton = 1 kg⋅m/s2.+2 |
| Time | t,$\Delta$t | s | The duration of the force application.+1|

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---
tags:
- public
---
# River Rooks.dev
## Home for all of my creations ... eventually
# Check out my notes
# See [my git server](https://git.riverrooks.dev/venus) for all of my projects and dotfiles

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#public
## Malware
Malicious software:
> Software written to Do [[Harm]]
## Harm
- Devices
- Data
- Alter
- Modify
- Delete
- Corruption
# Limit Access To Information
## Privacy
Limit the amount you permit to be shared
### Healthcare
I don't want public access to my info
Choose certain info to release or not
A trip to a crisis center is private
### Personally Identifiable Information (PII)
- Info that points Directly to you
- Protect as Cyber Prof.
## CIA Triad
### Confidentiality
Keep data hidden from those who should not access it
- Encryption
- People who can see it, can't understand if there not supposed to
- Hiding Existence
Not the same as [[Malware and cybersecurity#Privacy|Privacy]]
**Keep those who don't have access from having access**
### Integrity
Ensuring that Data and System Resources are trustworthy.
Eliminate unauthorized tampering
Eliminate accidental or malicious modifications.
Examples:
Financial Records
Medical Records
Can be more important than Confidentiality.
Banking must be accurate, may be public
#### 3 Categories of integrity
##### Data Integrity
Ensuring that the data is trustworthy
##### Origin Integrity
Understanding the author and verifying the source
The author created data and it has not been changed
##### System Integrity
Securing the processes that modify the data
Eliminate Accidental, deliberate, or malicious modifications of data through systems controlling that data
### Availability
Dealing with systems and data being available for use when needed
## Secrecy
Information that should not be disclosed outside of an in-group
`Maximum Secrecy = Minimun Availability`

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```
> Greatest Vulnerability is People
## Malware types
- **virus:** program to modify other programs
- **Worm**: program that spreads itself
> diff b/t virus and worm is method of movement
- **Trojan**: an innocent program that hides malware inside
- **Ransomware**: require payment to remove (often in exchange for decryption key)
- **Phishing**: Faking identity in order to build trust to encourage specific user behavior
- **DOS/DDOS**: (distributed) denial of service to overwhelm services and prevent legitimate activity from getting through
## Virus
- **Virus:** program to modify other programs
### Trojan
- **Trojan**: an innocent program that hides malware inside
looks benign and can be anything from a bad link to a malicious PDF file.
Can contain any kind of other malware such as
- key loggers
- webcams
### Examples
#### I love you
[wiki](https://en.wikipedia.org/wiki/ILOVEYOU)
- $10 billion in damages,
- 10% of worldwide competition
- attacked other computers after spreading
> at it's height, a third of the worlds computers were infected
# Threat Actors
| Group | Motivations |

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if this is there, the site live updates from wh
#public

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content/odo-test.md Normal file
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#public
this is a doc
# Md rendered to html

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---
public: "true"
tags:
- public
---
# This is a test
and this is p
[https://localhost/test]()
[asd](https://localhost/test)