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Author SHA1 Message Date
Brendan Golden
f84333dfac
feat: first draft at the intro presentation for compsoc 2024-09-15 21:31:44 +01:00
Brendan Golden
9598b58d78
git: ensure webp goes to lfs 2024-09-15 20:55:31 +01:00
50 changed files with 49 additions and 1069 deletions
Download patch file Download diff file Expand all files Collapse all files

1
.gitattributes vendored
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@ -24,7 +24,6 @@
# Images
*.png filter=lfs diff=lfs merge=lfs -text
*.jpg filter=lfs diff=lfs merge=lfs -text
*.jpeg filter=lfs diff=lfs merge=lfs -text
*.webp filter=lfs diff=lfs merge=lfs -text

2
.gitignore vendored
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@ -14,8 +14,6 @@ test.*
/out
/build
/target
/slides/**/*.html
/slides/**/*.pdf
# Dealing with BlueJ
*.bluej

2
README.md
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@ -15,4 +15,4 @@ You need both nix and flakes enabled.
[1]: src/slides/example/Example.md
[2]: https://forgejo.skynet.ie/Skynet/nixos#prep
[2]: https://gitlab.skynet.ie/compsoc1/skynet/nixos#prep

34
config.yaml
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@ -1,34 +0,0 @@
---
# yaml-language-server: $schema=https://raw.githubusercontent.com/mfontanini/presenterm/master/config-file-schema.json
defaults:
# override the terminal font size when in windows or when using sixel.
terminal_font_size: 20
speaker_notes:
always_publish: true
export:
pauses: new_slide
# works nicely at 1080p, then do a 250% zoom
dimensions:
rows: 30
columns: 100
snippet:
exec:
# enable code snippet execution. Use at your own risk!
enable: true
custom:
# The keys should be the language identifier you'd use in a code block.
racket:
# The name of the file that will be created with your snippet's contents.
filename: "snippet.rkt"
# A prefix that indicates a line that starts with it should not be visible but should be executed if the
# snippet is marked with `+exec`.
hidden_line_prefix: "/// "
# A list of commands that will be ran one by one in the same directory as the snippet is in.
commands:
# run the racket program
- ["racket", "$pwd/snippet.rkt"]

13
flake.lock generated
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@ -7,11 +7,11 @@
"utils": "utils"
},
"locked": {
"lastModified": 1723500950,
"narHash": "sha256-t1eApFGI+JzLIW2YToLlDV20n+Nevk1q4fZBYU1m93I=",
"lastModified": 1723391194,
"narHash": "sha256-04UThV4LZNRHg/+GbEl7M2ginWbm8FrQ5jBVmYcroNg=",
"owner": "silver_rust",
"repo": "bfom",
"rev": "7f339f28442758ecc3f1697e3f70d441973664b9",
"rev": "fffd69b6433a2d2fd359b92e3816ae9938b3e99c",
"type": "gitlab"
},
"original": {
@ -68,16 +68,15 @@
},
"nixpkgs_3": {
"locked": {
"lastModified": 1756787288,
"narHash": "sha256-rw/PHa1cqiePdBxhF66V7R+WAP8WekQ0mCDG4CFqT8Y=",
"lastModified": 1715413075,
"narHash": "sha256-FCi3R1MeS5bVp0M0xTheveP6hhcCYfW/aghSTPebYL4=",
"owner": "NixOS",
"repo": "nixpkgs",
"rev": "d0fc30899600b9b3466ddb260fd83deb486c32f1",
"rev": "e4e7a43a9db7e22613accfeb1005cca1b2b1ee0d",
"type": "github"
},
"original": {
"id": "nixpkgs",
"ref": "nixos-unstable",
"type": "indirect"
}
},

103
flake.nix
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@ -2,7 +2,6 @@
description = "Skynet Presentations";
inputs = {
nixpkgs.url = "nixpkgs/nixos-unstable";
utils.url = "github:numtide/flake-utils";
# nix flake lock --update-input bfom
@ -21,88 +20,30 @@
outputs = {
self,
nixpkgs,
utils,
bfom,
...
}: utils.lib.eachDefaultSystem (
system: let
pkgs = (import nixpkgs) {
inherit system;
};
} @ inputs: let
pkgs = nixpkgs.legacyPackages.x86_64-linux.pkgs;
in {
# nix run
apps.x86_64-linux.default = {
type = "app";
program = "${bfom.defaultPackage.x86_64-linux}/bin/cargo-bfom";
};
dependencies = with pkgs; [
# For teh presentations themselves
presenterm
# `nix build`
packages.x86_64-linux.default = pkgs.stdenv.mkDerivation {
name = "slides.skynet.ie";
src = self;
buildPhase = "${bfom.defaultPackage.x86_64-linux}/bin/cargo-bfom";
installPhase = "mkdir -p $out; cp -R build/* $out";
};
# for exporting
(pkgs.python3.withPackages (python-pkgs: with python-pkgs; [
# for exporting
weasyprint
]))
# various languages to embed in it
## Java
# zulu24
## C
# gcc
## rust
# cargo
# rustc
## lua
# lua
## racket
# racket
## go
# go
];
in rec {
# `nix develop`
devShell = pkgs.mkShell {
packages = dependencies;
PRESENTERM_CONFIG_FILE = "config.yaml";
};
packages.default = pkgs.stdenv.mkDerivation {
name = "slides.skynet.ie";
src = self;
nativeBuildInputs = dependencies;
buildInputs = dependencies;
buildPhase = ''
# first pass through to get teh old files
${bfom.defaultPackage.x86_64-linux}/bin/cargo-bfom
# then look into ./slides
export PRESENTERM_CONFIG_FILE=config.yaml
# recursively find each one then --export-html to ./build/slides/
shopt -s globstar
for source in slides/**/*.md; do
echo $source
output="$(dirname "$source")/$(basename "$source" .md).html"
echo $output
presenterm --export-html "$source"
mkdir -p "build/$(dirname "$source")"
cp "$output" "build/$output"
done
shopt -u globstar
'';
installPhase = "mkdir -p $out; cp -R build/* $out";
};
});
# @ inputs: let
# pkgs = nixpkgs.legacyPackages.x86_64-linux.pkgs;
# in {
# # `nix build`
# packages.x86_64-linux.default = pkgs.stdenv.mkDerivation {
# name = "slides.skynet.ie";
# src = self;
# buildPhase = "${bfom.defaultPackage.x86_64-linux}/bin/cargo-bfom";
# installPhase = "mkdir -p $out; cp -R build/* $out";
# };
#
# devShells.x86_64-linux.default = pkgs.mkShell {
# name = "Skynet presentations env";
# nativeBuildInputs = [
# bfom.defaultPackage.x86_64-linux
# ];
# };
# };
devShells.x86_64-linux.default = pkgs.mkShell {
name = "Skynet presentations env";
nativeBuildInputs = [
bfom.defaultPackage.x86_64-linux
];
};
};
}

60
slides/compsoc/2025-2025/propaganda.md
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@ -1,60 +0,0 @@
---
title: "Computer Society"
sub_title: "Definitely not propaganda"
author: "Brendan Golden"
theme:
name: catppuccin-latte
---
About Us
=================================
<!-- incremental_lists: true -->
* For anyone Interested in Computers
* All skill levels
* Mix of technical and Social
* Old Society, 30 years old
* Have a server room for Skynet
* We host our own services
* Forgejo - Git
* Nextcloud
* Email
* DNS
* Discord Bots
* Game Servers
* Minecraft
* CSGO
* TF2
* 25+ unique events a year
* Weekly Training
* Skynet training
* Google Interview club
* Trips
* PyCon
* SISTEM
* EuroTrip
<!-- end_slide -->
Join Us
=================================
<!-- column_layout: [1, 1] -->
<!-- alignment: center -->
<!-- column: 0 -->
## Discord
![image:width:100%](propaganda/discord.png)
<!-- column: 1 -->
## UL Wolves
![image:width:100%](propaganda/wolves.png)
<!-- reset_layout -->
<!-- end_slide -->
<!-- new_lines: 10 -->
Questions?
=================================

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slides/skynet/01_intro.md
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@ -1,87 +0,0 @@
---
title: "Skynet"
sub_title: "Introduction to Skynet"
author: "Brendan Golden"
theme:
name: catppuccin-latte
---
Skynet: Introduction
=================================
<!-- alignment: center -->
<!-- incremental_lists: true -->
* Skynet is the UL Computer Society's computer cluster.
* Has a long [history](https://2016.skynet.ie/history.html).
* Older than the Society. (1992 vs 1994)
* But alas good things always come to an end.
* Due to *A Series of Unfortunate Events* we lost internet in Jan 2023
* Turns out Wordpress got Wordpress'd and we had a *smol* spam problem.
* ITD also wanted us to have all servers patched and up to date.
<!-- end_slide -->
Skynet 3.0
=================================
<!-- column_layout: [2, 1] -->
<!-- column: 1 -->
![Delving into Ruins](01_intro/0_intro_img1.png)
<!-- column: 0 -->
<!-- incremental_lists: true -->
* Gave us a chance to do a full rebuild.
* Servers were delved Indiana Jones style.
* Backups were made.
* Returned Summer 2023.
* Powered by NixOS.
* [Fully open source](https://forgejo.skynet.ie/Skynet/nixos).
* Skynet now can compile and update itself.
* Be not Afraid
* Automation FTW!
* Be not Afraid
<!-- end_slide -->
What is on Skynet
=================================
<!-- alignment: center -->
<!-- incremental_lists: true -->
* Email
* DNS
* Account Management
* Forgejo + CI/CD runners
* We *forge* software
* Git host
* Game Servers
* Minecraft
* TF2
* CSGO
* Discord Bots
* Skynet
* Our Discord Role Manager
* T-800
* Logging and monitoring
* Clubs & Societies
* Out in UL
* https://outinul.ie
* ULFM
* Now gone
* Websites
* Our own
* https://skynet.ie
* https://2016.skynet.ie
* https://2006.skynet.ie
* https://2003.skynet.ie
* https://1996.skynet.ie
* User sites (https://silver.users.skynet.ie)
<!-- end_slide -->
<!-- new_lines: 10 -->
Always iterating, always improving.
=================================

2
src/postmortem/2023-09-27_Signup-failures.md
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@ -74,7 +74,7 @@ CREATE TABLE IF NOT EXISTS accounts_wolves (
```
This also makes it easier to do the migration when teh Wolves API releases.
[Patch that fixed it](https://forgejo.skynet.ie/Skynet/ldap_backend/commit/9db8a238d2bf7be8bcfa86012b26180c041c13d1)
[Patch that fixed it](https://gitlab.skynet.ie/compsoc1/skynet/ldap/backend/-/commit/9db8a238d2bf7be8bcfa86012b26180c041c13d1)
## Things to improve for the future.

4
src/slides/compsoc/1_domains-dns-oh-no.md
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@ -162,12 +162,12 @@ Or say ye wanted to go wild and have an Ogham domain name?
``&#x1681;&#x168f;&#x1693;&#x1685;&#x1687;&#x1690;&#x1685;.com`` for example (brendan in Ogham)
[0]: https://forgejo.skynet.ie/Computer_Society/presentations_compsoc/src/commit/ceb346fe8e8dfc553fff520de7864e96236e887a/src/slides/compsoc/1_domains-dns-oh-no.md#L163
[0]: https://gitlab.skynet.ie/compsoc1/compsoc/presentations/presentations/-/blob/ceb346fe8e8dfc553fff520de7864e96236e887a/src/slides/compsoc/1_domains-dns-oh-no.md#L163
-------------------------------------------------------------------------
``&#x1681;&#x168f;&#x1693;&#x1685;&#x1687;&#x1690;&#x1685;.com`` becomes ``xn--7ueiah2bis.com``
````
-------------------------------------------------------------------------
Magic!

269
src/slides/compsoc/3_git.md
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@ -1,269 +0,0 @@
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
title = "Git"
date = 2024-09-18
slides = true
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
# Git
-------------------------------------------------------------------------
The 4 Ws of Git
-------------------------------------------------------------------------
WHAT is Git?
-------------------------------------------------------------------------
WHO is Git made for?
-------------------------------------------------------------------------
WHY is Git used?
-------------------------------------------------------------------------
WHEN is Git used?
-------------------------------------------------------------------------
Last but not least, HOW do we use Git?
-------------------------------------------------------------------------
Let's start with the WHAT
-------------------------------------------------------------------------
Git is tool that's used in the programming Industry.
-------------------------------------------------------------------------
Specifically to track project work done, and the changes to files we've made.
-------------------------------------------------------------------------
The more correct term is Source Control.
-------------------------------------------------------------------------
It is NOT a programming language.
-------------------------------------------------------------------------
Now we move onto the WHO.
-------------------------------------------------------------------------
Git is a tool made for (usually) us programmers to track the work we've done.
-------------------------------------------------------------------------
Programmer socks (not) included.
-------------------------------------------------------------------------
Now we need to ask the WHY.
-------------------------------------------------------------------------
Why would we need a tool like this?
-------------------------------------------------------------------------
Why not use Google Drive instead?
-------------------------------------------------------------------------
I will find your IP address.
-------------------------------------------------------------------------
In all honesty,
-------------------------------------------------------------------------
It's to help keep track of who did what.
-------------------------------------------------------------------------
And to work on unique features...
-------------------------------------------------------------------------
without affecting the main area/branch (we'll return to this) of our work.
-------------------------------------------------------------------------
Now finally the WHEN.
-------------------------------------------------------------------------
When DO we use git?
-------------------------------------------------------------------------
Because Git keeps track of the changes we've made to files,
-------------------------------------------------------------------------
We can then use it to commit and stage these files,
-------------------------------------------------------------------------
and push them to a place where we can store them.
-------------------------------------------------------------------------
This place is called a Repository.
-------------------------------------------------------------------------
But, an interesting feature of git, is that it allows you to time-travel.
-------------------------------------------------------------------------
Meaning that if a project breaks, you can go back to before it broke.
-------------------------------------------------------------------------
Now I hear you in the audience asking...
-------------------------------------------------------------------------
Why not use SVN?
-------------------------------------------------------------------------
The answer is simple.
-------------------------------------------------------------------------
![NAH](3_git/NAH.jpg)
-------------------------------------------------------------------------
An actual answer is that Git is Distributed, and SVN in centralized.
-------------------------------------------------------------------------
Simply put, devs can store their changes locally on their machines,
-------------------------------------------------------------------------
where on SVN they're stored on a central system.
-------------------------------------------------------------------------
With a central system you NEED to be connected at all times to work on it.
-------------------------------------------------------------------------
You can work locally on git without having to be connected,
-------------------------------------------------------------------------
and then push once you're reconnected.
-------------------------------------------------------------------------
Back to git.
-------------------------------------------------------------------------
Let's start with the basics.
-------------------------------------------------------------------------
# Live demonstration time
Please get your laptop out
-------------------------------------------------------------------------
How to download git & git LFS
-------------------------------------------------------------------------
## Download
<<https://git-scm.com/downloads>>
-------------------------------------------------------------------------
![img.png](3_git/git_download_button.png)
-------------------------------------------------------------------------
![img_1.png](3_git/git_installer.png)
-------------------------------------------------------------------------
![img_2.png](3_git/git_installer_notepad_as_default_editor.png)
-------------------------------------------------------------------------
![img_3.png](3_git/git_installer_rename_master_to_main.png)
-------------------------------------------------------------------------
![img_4.png](3_git/git_installer_checkout_unix.png)
-------------------------------------------------------------------------
![img_5.png](3_git/git_installer_default_rebase_pull.png)
-------------------------------------------------------------------------
<<https://forgejo.skynet.ie/Skynet/deploy_user>>
-------------------------------------------------------------------------
Don't do this
![BAD](3_git/bad_message.png)
-------------------------------------------------------------------------
![img_6.png](3_git/forgejo_template_button.png)
-------------------------------------------------------------------------
![img_7.png](3_git/forgejo_template_repo_creation.png)
-------------------------------------------------------------------------
![img_8.png](3_git/forgejo_repo_link.png)
-------------------------------------------------------------------------
Setup SSH key (see Readme.md))
-------------------------------------------------------------------------
![img_9.png](3_git/forgejo_repo_settings.png)
-------------------------------------------------------------------------
![img_10.png](3_git/forgejo_secrets_location.png)
-------------------------------------------------------------------------
![img_12.png](3_git/forgejo_add_secret.png)
-------------------------------------------------------------------------
![img_11.png](3_git/forgejo_ssh_key_example.png)
-------------------------------------------------------------------------
````bash
git init
git remote add origin <repo_url>
git pull origin <branch_name>
git add <file_name>
git commit -m "<commit_message>"
git push origin <branch_name>
````
-------------------------------------------------------------------------
``https://<username>.users.skynet.ie/``

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src/slides/compsoc/4_Intro.md
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@ -4,7 +4,7 @@ date = 2024-09-15
slides = true
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
### Welcome, Welcome Welcome
### Welcome Welcome Welcome
-------------------------------------------------------------------------
@ -111,7 +111,7 @@ Though we also send out emails often enough.
-------------------------------------------------------------------------
<<https://discord.skynet.ie>>
![Discord QR](4_intro/qr_discord.png)
![Discord QR](4_intro/discord.png)
-------------------------------------------------------------------------

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src/slides/compsoc/5_Propaganda.md
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@ -1,130 +0,0 @@
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
title = "Why you should join Compsoc"
date = 2024-09-17
slides = true
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
## Why you should join UL Computer Society
-------------------------------------------------------------------------
## Hello 1st years!
-------------------------------------------------------------------------
(Or any other year, we arent picky)
-------------------------------------------------------------------------
((Some of your lecturers are even members))
-------------------------------------------------------------------------
(((If you are ISE we are here to help you escape this building))
-------------------------------------------------------------------------
We are UL Computer Society and we are here to ~~kidnap~~ recruit you today!
-------------------------------------------------------------------------
As you might guess we really like computers.
-------------------------------------------------------------------------
Though we would rather say we are in teh business of networking.
------------------------------------------------------------------------
We do the usual networking with switches and cables
-------------------------------------------------------------------------
But we also do Social Networking (aided by free pizza every so often)
-------------------------------------------------------------------------
On top of that we do intra-society networking (like Games Development)
-------------------------------------------------------------------------
Or if brave inter-society networking with other computer societies
-------------------------------------------------------------------------
## What else we do
-------------------------------------------------------------------------
We have a mix of Software, Social and Hardware events
-------------------------------------------------------------------------
And go to Tech Conferences like PyCon or SISTEM
-------------------------------------------------------------------------
We also provide a (long) list of services to our members
-------------------------------------------------------------------------
## Skynet
-------------------------------------------------------------------------
(the good kind)
-------------------------------------------------------------------------
((We swear))
-------------------------------------------------------------------------
(((Though it is self updating.....)))
-------------------------------------------------------------------------
Skynet is our (semi) enterprise grade computer cluster
-------------------------------------------------------------------------
It is ~32 years old now
-------------------------------------------------------------------------
100TB+ of data storage
-------------------------------------------------------------------------
It is also FOSS
-------------------------------------------------------------------------
Can get hands on with the ``root`` team if ye want (?)
-------------------------------------------------------------------------
## Meetups
We meet every Wendesday at 6pm in teh Courtyard room in Student Life
-------------------------------------------------------------------------
## Wolves
<<https://ulwolves.ie/society/computer>>
![Computer Soc - Ul Wolves ](./4_intro/qr_wolves.png)
-------------------------------------------------------------------------
## Discord
<<https://discord.skynet.ie>>
![Computer Soc - Discord](./4_intro/qr_discord.png)
-------------------------------------------------------------------------
## Any questions?
This presentation:
<<https://public.skynet.ie/slides/compsoc/5_Propaganda.html>>
-------------------------------------------------------------------------
//vanishes in a puff of smoke//

83
src/slides/compsoc/6_minecraft-onboarding.md
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@ -1,83 +0,0 @@
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
title = "Using our Minecraft servers"
date = "2024-09-25"
slides = true
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
## Welcome (back) everyone!!
--------------------------------------------------------------------
we got a quite a bit of server power here at Skynet
<img src="6_minecraft-onboarding/skynet-server.jpg" alt="Computer Society definitely not evil servers" width="120px" height="160px"></img>
### so we decided to use some of that for evil (Minecraft servers)*
<p style="font-size: 10px"> *we are not liable for failing stuff bc you stayed up until 4am to finish building your castle </p>
-----------------------------------------------------------------------
### soooo, how do you get access to our Minecraft servers?
there are a few easy steps involved
---------------------------------------------------------------------
### first of all you have to be in the CompSoc discord server
link here: [discord.skynet.ie](https://discord.skynet.ie/)
or you can find it on the society's page on the UL Wolves website
-----------------------------------------------------------------------
### next you need to have your discord account linked to your ul wolves account
--------------------------------------------------------------------------
### and finally!! you need to link your Minecraft account like this
<img src="6_minecraft-onboarding/link-minecraft.png" alt="Link Minecraft account" width="300px" height="23px"></img>
(you can use the ``#bot-commands`` channel to not spam everyone)
--------------------------------------------------------------------------
## but what's the ip??
------------------------------------------------
### we actually got 2 servers you can play on!
-------------------------------------------------------------------------------
## first one is a vanilla 1.20.4 server, but you can join from most versions past and future even though not all features might work
seriously! i usually play from 1.21 and it also worked when i joined from 1.8.9
the address of the server is **minecraft.compsoc.games.skynet.ie**
if you want to join from bedrock edition: ip is **193.1.99.91** and the port is **19132**
-------------------------------------------------------------------------------
### for this server i made a modpack that enhances the multiplayer experience a bit nothing big AND you DON'T NEED to have it to play
you can find it on [Modrinth.com](https://www.modrinth.com) and search for [CompSoc Vanilla Enhanced](https://modrinth.com/modpack/compsoc-vanilla-enhanced) (or click the links here)
-------------------------------------------------------------------------------
## second server is using the Aged modpack version 2.2.2
will let you know if we update, check the discord server
the address of the server is **minecraft-aged.compsoc.games.skynet.ie**
--------------------------------------------------------------------------
### you can find the modpack for this server by searching for "Aged" on [Modrinth.com](https://www.modrinth.com)
remember to download the right version of the modpack, which is currently 2.2.2!!
-------------------------------------------------------------------------
## That's it have fun!
you can find these slides on **[public.skynet.ie](https://public.skynet.ie)** > **slides** > **compsoc** > 6_minecraft_onboarding.html

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src/slides/compsoc/7_virtualization.md
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@ -1,82 +0,0 @@
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
title = "Virtualization"
date = 2024-04-17
slides = true
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
# Virtual Machines (and more)
-------------------------------------------------------------------------
so what is a virtual machine???
-------------------------------------------------------------------------
basically you run another smaller computer in your computer
-------------------------------------------------------------------------
*insert inception joke here\*
-------------------------------------------------------------------------
### Why would you want this?
-------------------------------------------------------------------------
- You can run multiple OSes on one machine
- You can run software that might not be compatible with your main OS
- It's helpful for testing and setting up a new OS
- VMs are used **A LOT** in those big server rooms and professional environments
-------------------------------------------------------------------------
### How do I do this on my own laptop then?
-------------------------------------------------------------------------
there's a lot of *virtualization* software out there, but we'll be using VirtualBox today
-------------------------------------------------------------------------
It's free, and it's pretty easy to use
-------------------------------------------------------------------------
you can download it [here](https://www.virtualbox.org/wiki/Downloads)
-------------------------------------------------------------------------
if you already know all of this just wait we have more stuff after this
-------------------------------------------------------------------------
when you open VirtualBox, create a new VM like this:
<img src="7_virtualization/new-vm.png" alt="Create a new VM" width="400px" height="187px"></img>
-------------------------------------------------------------------------
then choose a name and select the image to use for the OS
<img src="7_virtualization/select-image.png" alt="Choose an image" width="351px" height="196px"></img>
I'll be using Ubuntu 24.04, if you want to use another linux distro you probably know how to do this already
-------------------------------------------------------------------------
now, select how much memory and CPU you want to allocate to the new VM
<img src="7_virtualization/memory-cpu.png" alt="Allocate memory and CPU" width="353px" height="196px"></img>
The defaults you get are fine for this demo
-------------------------------------------------------------------------
and finally, choose how much storage you want to give the VM
<img src="7_virtualization/storage.png" alt="Allocate storage" width="352px" height="196px"></img>
10GB is enough for now, you can use more if you want
-------------------------------------------------------------------------
### Click "Finish" and now you got your new VM!!
-------------------------------------------------------------------------
we still need to install the operating system but that's easy enough
-------------------------------------------------------------------------
*live demo in progress\*
-------------------------------------------------------------------------
### Now on to the next part (it gets better)
-------------------------------------------------------------------------
you probably saw how many resources it takes to run a VM
-------------------------------------------------------------------------
what if I want to only run a single app without all the overhead??
-------------------------------------------------------------------------
### Containers to the rescue!!
-------------------------------------------------------------------------
containers are kind of like VMs, but much lighter
-------------------------------------------------------------------------
instead of emulating an entire computer, they just run the OS
-------------------------------------------------------------------------
### Why use VMs then?
-------------------------------------------------------------------------
- VMs are more secure
- they're more isolated from the host system
- not limited to running the same OS as the host
-------------------------------------------------------------------------
### How do I use containers?
-------------------------------------------------------------------------
one of the most popular container platforms is Docker
-------------------------------------------------------------------------
rn we will use it on the VM we just created
-------------------------------------------------------------------------
the commands we will need to install Docker:
```
curl -fsSL https://get.docker.com -o get-docker.sh``
sudo sh get-docker.sh
```
-------------------------------------------------------------------------

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@ -1,134 +0,0 @@
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
title = "Advent of Code"
date = 2024-11-27
slides = true
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
# Advent of code
-------------------------------------------------------------------------
Advent of Code is an annual programming event
-------------------------------------------------------------------------
Its like an advent calendar
-------------------------------------------------------------------------
But instead of chocolate
-------------------------------------------------------------------------
You can byte into code problems
-------------------------------------------------------------------------
Each day of advent gives you two problems
-------------------------------------------------------------------------
You get Gold Stars!
-------------------------------------------------------------------------
&#11088;&#11088;&#11088;&#11088;&#11088;&#11088;&#11088;&#11088;&#11088;&#11088;&#11088;&#11088;&#11088;&#11088;&#11088;&#11088;&#11088;&#11088;&#11088;&#11088;&#11088;&#11088;&#11088;&#11088;&#11088;&#11088;&#11088;&#11088;&#11088;&#11088;&#11088;&#11088;&#11088;&#11088;&#11088;&#11088;&#11088;&#11088;&#11088;&#11088;&#11088;&#11088;&#11088;&#11088;&#11088;&#11088;&#11088;&#11088;&#11088;&#11088;&#11088;&#11088;&#11088;&#11088;&#11088;&#11088;&#11088;&#11088;&#11088;&#11088;&#11088;&#11088;&#11088;&#11088;&#11088;&#11088;&#11088;
-------------------------------------------------------------------------
Part one is the easy enough one
-------------------------------------------------------------------------
Can brute force it if you really want
-------------------------------------------------------------------------
Once ye got the part one complete the second one opens
-------------------------------------------------------------------------
Brute forcing may take longer than the heat death of the universe
-------------------------------------------------------------------------
So ye have to get smarter
-------------------------------------------------------------------------
Plenty of algos to be introduced to
-------------------------------------------------------------------------
If you find it easy there are many ways to amp up teh difficulty
-------------------------------------------------------------------------
You can compete to complete it fastest
-------------------------------------------------------------------------
(A classmate was in teh worldwide top 1000 last year)
-------------------------------------------------------------------------
There are global and local leaderboards (we have one)
-------------------------------------------------------------------------
You can do it in a new language (I use rust)
-------------------------------------------------------------------------
You can create your own language for it (if ye are that insane)
-------------------------------------------------------------------------
Some do it in excel
-------------------------------------------------------------------------
Or brainfuck
-------------------------------------------------------------------------
Or by hand
-------------------------------------------------------------------------
You can add [Bad Apple][0] to it (2022 Day 10, make a TV)
[0]: https://www.youtube.com/watch?v=EevY4szGgQI
-------------------------------------------------------------------------
One downside is it hits us right at exam times
-------------------------------------------------------------------------
Another is that the puzzles release at 6am
-------------------------------------------------------------------------
Thankfully all past puzzles are available to do
-------------------------------------------------------------------------
So we tend to run a second one in January for those who are interested
-------------------------------------------------------------------------
<<https://adventofcode.com/>>
-------------------------------------------------------------------------
Sign up with yer: ``[GitHub]`` ``[Google]`` ``[Twitter]`` ``[Reddit]`` Accounts
-------------------------------------------------------------------------
See Discord (<<https://discord.skynet.ie>>) for the daily posts on it.
-------------------------------------------------------------------------
*Now get into doing two days worth of puzzles to get ye started*

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@ -12,7 +12,7 @@ Skynet is the UL Computer Society's computer cluster.
-------------------------------------------------------------------------
Has a long history: <<https://2009.skynet.ie/history.html>>.
Has a long history: <<https://2016.skynet.ie/history.html>>.
-------------------------------------------------------------------------
@ -65,7 +65,7 @@ Powered by NixOS.
-------------------------------------------------------------------------
Fully open source: <<https://forgejo.skynet.ie/Skynet/nixos>>
Fully open source: <<https://gitlab.skynet.ie/compsoc1/skynet/nixos>>
-------------------------------------------------------------------------
@ -86,7 +86,7 @@ How hosts:
-------------------------------------------------------------------------
* Email
* Forgejo + CI/CD runners
* Gitlab + CI/CD runners
* Game Servers
* Minecraft
* ULFM

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@ -283,7 +283,7 @@ As part of your Skynet account you have access to our Gitlab Server.
-------------------------------------------------------------------------
1. Go to <<https://forgejo.skynet.ie>>
1. Go to <<https://gitlab.skynet.ie>>
2. Login with ``username`` and ``password``
3. Done

4
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@ -134,7 +134,7 @@ Making it hard to get a good overview
-------------------------------------------------------------------------
Skynet 3.0 is fully source controlled on [forgejo.skynet.ie][4]
Skynet 3.0 is fully source controlled on [gitlab.skynet.ie][4]
-------------------------------------------------------------------------
@ -163,4 +163,4 @@ Questions?
[1]: https://en.wikipedia.org/wiki/Unix_philosophy
[2]: https://nix.dev/tutorials/first-steps/
[3]: https://nixos.org/guides/nix-pills/#
[4]: https://forgejo.skynet.ie/Skynet/nixos
[4]: https://gitlab.skynet.ie/compsoc1/skynet/nixos

4
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@ -114,6 +114,6 @@ host 193.1.99.75
-------------------------------------------------------------------------
* <<https://forgejo.skynet.ie/Skynet/nixos/issues/21>>
* <<https://forgejo.skynet.ie/Skynet/nixos/issues/33>>
* <<https://gitlab.skynet.ie/compsoc1/skynet/nixos/-/issues/21>>
* <<https://gitlab.skynet.ie/compsoc1/skynet/nixos/-/issues/33>>

7
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@ -135,9 +135,8 @@ In this example I would be able to send mail as ``this_is_a_real_email@skynet.ie
[//Use this time to explore the nixos repo to explain//][0]
[0]: https://forgejo.skynet.ie/Skynet/nixos/src/commit/26e715b2f62e406deee5e773ebcc3e3c3d200186/applications/email.nix
[0]: https://gitlab.skynet.ie/compsoc1/skynet/nixos/-/blob/26e715b2f62e406deee5e773ebcc3e3c3d200186/applications/email.nix?ref_type=heads
[1]: https://www.youtube.com/watch?v=mrGfahzt-4Q
[2]: https://forgejo.skynet.ie/Skynet/nixos/src/commit/26e715b2f62e406deee5e773ebcc3e3c3d200186/applications/email.nix#L31-L91
[2]: https://gitlab.skynet.ie/compsoc1/skynet/nixos/-/blob/26e715b2f62e406deee5e773ebcc3e3c3d200186/applications/email.nix?ref_type=heads#L31-L91
[3]: https://www.thunderbird.net/en-GB/
[4]: https://forgejo.skynet.ie/Skynet/nixos/src/commit/26e715b2f62e406deee5e773ebcc3e3c3d200186/applications/email.nix#L314-L343
[4]: https://gitlab.skynet.ie/compsoc1/skynet/nixos/-/blob/26e715b2f62e406deee5e773ebcc3e3c3d200186/applications/email.nix?ref_type=heads#L314-L343

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@ -21,8 +21,6 @@
top: 50%;
left: 50%;
transform: translate(-50%, -50%) scale(2);
line-height: 2;
font-size: 20px;
}
ol, ul {
margin-top: 0;