adds raspberry pi exersises
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# Overview of communication channels
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## Details
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* **Note:** Account creation for gitea, matrix etc
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* **Id:** prerequisite.theory.communication
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* **Effort:** 0.5
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Throughout this course we'll be using a chat protocol names **matrix** to stay in touch.
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As matrix is a federated protocol you can create an account on quite a few different servers and still communicate together.
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A server has been set up at the school and you can create an account on it by going to [this](https://riot.86thumbs.net/) url.
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## Information
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* [matrix login](https://riot.86thumbs.net/)
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* [gitea login](https://gitea.86thumbs.net/)
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* [matrix login](https://riot.86thumbs.net/) on our server
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* what is [matrix](https://matrix.org/docs/guides/introduction)
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* which [clients](https://matrix.org/clients/) can you use
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# Introduction to markdown for notekeeping
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Markdown is a very simple makeup language used very extensively online and in coding projects.
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You'll see it used all over github, for example the documetation of the [vim](https://github.com/vim/vim/blob/master/README.md) repository is a markdown file.
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Our main reasons for using markdown are:
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* ease of syntax
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* perfect compatibility with git versioning
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* renders to html on most git web platforms
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## Information
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* markdown [guide](https://www.markdownguide.org/getting-started)
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* basic [syntax](https://www.markdownguide.org/basic-syntax)
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# Brief introdution to cross platform text editors
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## Details
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* **Id:** prerequisite.theory.editors
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* **Effort:** 0.5
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The computers in our classroom run Windows for which the easiest tool to write and visualise markdown is [vscode](https://code.visualstudio.com/).
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On linux you can also use vscode but as markdown files are just simple text files, any text editor will do.
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My personal preference is vim but use whatever you fancy.
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## Information
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@ -27,28 +38,11 @@
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# Short introdution to git for notekeeping
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## Details
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* **Note:** git tutorial
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* **Id:** prerequisite.theory.git
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* **Effort:** 0.8
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## Information
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* our [gitea](https://gitea.86thumbs.net/) server
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* getting started with [git](https://git-scm.com/book/en/v2)
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* standard git [gui](https://git-scm.com/book/en/v2/Appendix-A%3A-Git-in-Other-Environments-Graphical-Interfaces)
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* cross platorm git gui [gitkraken](https://www.gitkraken.com/) *needs account*
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* getting started with git [pluralsight](https://app.pluralsight.com/library/courses/getting-started-git/table-of-contents)
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# Introduction to markdown for notekeeping
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## Details
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* **Note:** markdown syntax
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* **Id:** prerequisite.theory.markdown
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* **Effort:** 0.3
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## Information
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* markdown [guide](https://www.markdownguide.org/getting-started)
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* basic [syntax](https://www.markdownguide.org/basic-syntax)
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# Raspberry PI exercises
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## GUI installation
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This is a bit of an *exploration* exercise.
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Go to the [Raspberry PI OS](https://www.raspberrypi.org/) website and download the Desktop OS.
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Find a way to flash the OS to your SD card.
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There are multiple options to do so so feel free to look for the way that looks the most straight forward to you.
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Once up and running have a look around the OS and see if you recognise the *desktop environment*.
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Configure the desktop environment to your liking such as keyboard, language, timezone etc.
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Connect to internet and perform an upgrade of the system so that all software is up to date.
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(You can connect either over Wifi of over ethernet, your choice.)
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Was everything already up to date?
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If not, why would a fresh install have updates?
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Do you recognise any of the packages that need upgrading?
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I would like you to take some notes concerning the topics above, preferably with a markdown file on your gitea account. (you'll need the notes later for debrief)
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You might have to install some things, maybe not.
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Which text editor did you choose?
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Are you visualising your markdown file before pushing?
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If so, how are you doing this?
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Can you tell me a bit more about this computer?
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Some *details* about the system such as RAM, CPU type/count, how many users are known to the system, ip address, kernel version, temperature, etc. (the more the better)
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Which programs are you using to find out about the system?
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Are there multiple ways of discovering this information?
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### Extra challenge
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Can you connect to our matrix server and send us a message from this computer?
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For the next part you will have to setup the same Raspberry PI but without graphical interface.
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I advise you to make do some research on how to configure all the system setting you did but *without* a GUI.
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Best to keep track of this research.
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Power down the PI in a *clean* manner and move on to the next challenge.
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## Headless installation
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On the same website as before you can also download an image without a desktop environment.
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Which one would it be?
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Find it, download it and flash it to your sd card.
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Once the PI is up and running log in and find a way to connect to the internet over Wifi and confirm you have an actual internet connection.
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You can do this any way you deem fit but please keep a note on how you do it and if you know multiple ways, please write them down.
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Clone the repository you made during the previous install to this one and note some of the differences you spot between this installation and the previous one.
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Is this system up to date?
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If not, is it a big difference?
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What services are running?
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What's the memory usage difference?
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How annoying is multitasking on this installation?
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Can you think of an *easy* way to be more productive?
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Next up I would like you to install an ssh server on this Raspberry PI.
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Confirm it's running and accepting connections.
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(I'm very willing to debug your connection from my computer but you'll have to tell me what to do)
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You can again do this in any way you can think of but keep track of what works and what doesn't.
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Your next step will be to log into this machine without screen and keyboard connected so write down any information you might need to do so.
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How will you find your Raspberry PI on the network?
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Once you're confident the ssh server is up and running turn off the Raspberry PI, again in a *clean* manner, and disconnect the screen and keyboard.
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## Time go fully headless
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Get your windows machine back up and running and log into your Raspberry PI over ssh.
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Does windows have a built in ssh client?
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You might need to download one.
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Are you sure this is your Raspberry PI?
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Can you *accidentally* log into the wrong PI?
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How would you make it more clear for yourself (and others) that your PI is yours?
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If you made it this far you should know your IP address and should have noticed we are not in the same network as Steve's network.
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On the router between our network and Steve's there is a webserver running and this webserver is serving a file called `accounts.csv`.
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Please download it and create user accounts for all these people.
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The username should be the `$USERNAME` part of their matrix handle and as a password their `$FIRSTNAME$LASTNAME`.
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### Extra challenge
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If the lack of multitasking is driving you crazy, how would you go about fixing it?
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Can you connect to our matrix server and send us a message from this computer?
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How can we exchange files between this computer and our windows machine?
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Some sort of FTP server would be handy no?
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Can you set one up for all our users?
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## MR05/XX Introduction to hardware components of servers and clients
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# MR04/R71 Introduction to linux
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* **Note:** In this module we will focus on hardware and the exposure to Raspberry Pi's as an alternative target platform
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* **Id:** resources.hardware
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* **Effort:** 2.5
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## Very brief introdution to bandit and SSH
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### Group deployment of RPI clients and headless servers
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## Introduction to the shell
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* **Id:** resources.hardware.theory.deployment
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* **Effort:** 1.0
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## Quick dive into a GUI installation
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### Introduction to Raspberry Pi (ARM vs x86)
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## History of unix/linux and Debian
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* **Id:** resources.hardware.theory.rpi
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* **Effort:** 1.0
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## Introduction to vim
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## MR04/R71 Introduction to linux
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# MR05/XX Introduction to hardware components of servers and clients
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* **Note:** Introduction to the history and usage of Linux as an OS with both graphical and shell interfaces.
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* **Id:** resources.linux
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* **Effort:** 5.0
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## Introduction to Raspberry Pi (ARM vs x86)
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### Very brief introdution to bandit and SSH
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## Group deployment of RPI clients and headless servers
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* **Note:** bandit
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* **Id:** resources.linux.theory.bandit
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* **Effort:** 0.5
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### Introduction to the shell
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* **Note:** Based on Ryan's tutorials
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* **Id:** resources.linux.theory.cli
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* **Effort:** 1.0
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### Quick dive into a GUI installation
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* **Id:** resources.linux.theory.gui
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* **Effort:** 0.5
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### History of unix/linux and Debian
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* **Id:** resources.linux.theory.intro
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* **Effort:** 0.5
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### Introduction to vim
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* **Note:** complete vimtutor and create a custom vimrc
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* **Id:** resources.linux.theory.vimtutor
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* **Effort:** 0.5
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### MR03/R61 Introduction to centralized administration of networking services
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* **Id:** resources.networking.services
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* **Effort:** 7.5
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### Debian implementations of essential services
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* **Note:** Focus on DHCP, DNS, SFTP, SSH, CUPS, LDAP following chapter 10 and chapter 11 of the Debian system administrator handbook
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* **Id:** resources.networking.services.theory.debian
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* **Effort:** 2.5
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# MR03/R61 Introduction to centralized administration of networking services
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## Debian implementations of essential services
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