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===== LDI0 - Setting up an Arch-Linux Distro =====

Download page: https://www.archlinux.org/download/
Installation Guide: https://wiki.archlinux.org/index.php/Installation_guide

Save the iso file and bootstrap files to a USB.

1# dmesg to find the /dev/sdx (for example my usb was /dev/sdb)

2# dd bs=4M if=/path/to/archlinux.iso of=/dev/sdx status=progress && sync

3# ping archlinux.org (to check for internet connection)

4# mkfs.ext4 /dev/sda1 to partition the root drive to sda1 with ext4 filesystem

5# pacstrap /mnt base (to install base packages)

6# genfstab -U /mnt >> /mnt/etc/fstab

7# arch-chroot /mnt (change into root)

8# ln -s /usr/share/zoneinfo/Region/City /etc/localtime (/Region/City = /America/New_York)

9# hwclock --systohc

10# locale-gen (to generate the locales[stuff like keyboard layouts and date order and such])

11# hostnamectl set-hostname myhostname (make sure /etc/hostname exists[also go into /etc/hosts and add the hostname to the list])

12# passwd (to change root password)

13# grub-install --target=i386-pc /dev/sdx

14# grub-mkconfig -o /boot/grub/grub.cfg

15# exit

16# unmount /mnt

17# reboot

18# useradd -m -g initial_group -G additional_groups -s login_shell username

19# pacman -S plasma-meta (this downloads the KDE Plasma desktop environment)

20# systemctl enable sddm.service   ( sym link and enables sddm display manager)

21# install xorg-xinit xf86-video-intel xterm (then reboot)

22# pacman -S firefox

23# pacman -S i3


to change root use: arch-chroot

if stuck on loading GUI try [alt+F2]

once logged in as user use "su" to switch to root with the root password.

==============
  VirtualBox
==============
https://wiki.archlinux.org/index.php/VirtualBox

install virtualbox package
install linux-lts-headers package

install nginx package 

nginx web server on Debian VirtualBox

mediawiki

-------------------
=====hpc2=====



====Raspberry Pi 3 Model B====
===RetroPie===
Good source for installing Raspbian with NOOBS
[[https://projects.raspberrypi.org/en/projects/noobs-install]]

My trials:

Using a USB thumb drive:  I first make sure it is formatted in FAT32, if not plug it into your computer, on windows you would go to file explorer right click the appropriate drive, select properties and look for NTFS or FAT32 formatting and selecting FAT32.

Once that is formatted and cleared of other files, plug it into the raspberry pi and give it a couple of seconds (some usb come with a light that flashes while using, and static when ready to eject) once done, pull from the pi and I plugged it back into my regular desktop.  Now the USB should have a retropie directory and within that a roms folder that contains a folder for each supported emulator.

For example within the roms folder is a snes folder (Super Nintendo Entertainment System) in which you will place all your SNES roms.  Through trial and error, I found that placing the unzipped rom file was best verse leaving it zipped or unzipped in a folder ( so not roms/snes/Super\ Mario\ World/Super\ Mario\ World.smc     but roms/snes/Super\ Mario\ World.smc)
That way when scraper for say, video snap previews, they will run fluidly while scrolling through the roms and see the video, rather than needing to click into the folder, to see the preview of the rom.

Worth knowing: the default hotkey key is select.

combine it with other buttons to make it SUPREME!


of note:\\

Steven Selphs Scraper [[https://github.com/sselph/scraper.git]]

This scraper from what I have found is an upgrade from the default scraper that is built into emulationstation.

<code>

To run:
~/Retropie_Setup/retropie_setup.sh

then select 
    * Manage Packages
    * Manage optional packages
    * scraper (Bottom of list)
    * Configure / tools

</code>
if running the scraper on the pi itself, expect it to take some time!

====0x0====
**Setting up and enjoying the Raspberry Pi 3 Model B (retropie)**

**Objective**\\
Successfully set up the Raspberry Pi 3 Model B with Raspbian OS and Retropie (emulation station).

Also walkthrough of the process to add ROMs as well as using a "scraper" to collect metadata on said ROMs to display box art and/or Video Snaps during menu selection.

**Materials**\\ 
You will need at a minimum:
  * (1) Raspberry Pi (I used the Pi 3 Model B)
  * (1) Power source (for low impact stuff an android phone charger worked for me while I waited for an actual power chord to arrive in the mail)
  * (1) hdmi cord
  * (1) Television or Monitor with HDMI capabilities
  * (1) keyboard (USB)
  * (1) mouse (USB)
  * (1) thumb drive / Memory stick / etc ...
  * (1) MicroSD card (at least 8GB, preferably)
  * (X) Game controller(s) (my recommendation is to start with a version of the SNES controller) Note: You can not use the originals, you will need the USB versions.

optionals\\
  * Heatsinks for the CPU on the Pi (HIGHLY RECOMMENDED)
  * A case for the Pi (nespi case is nice, but not necessary)

**Background**\\
The reason you would want to set up a Raspberry Pi with retropie is that gaming can be a fun endeavor and to have lots of classics on one device is amazing, especially in a time-frame when backward compatibilities seem to be removed as a function or added with restraints.

You can play Megaman 2 on a 42" TV!

**Procedure**\\
**1:** With the Pi in hand, you will want to install the heat sinks.
<blockquote>"The larger one goes neatly on the main Broadcom SoC, 
and the smaller fits on the LAN chip."[1]</blockquote>

**2:** Make sure to insert the Micro SD card into the Pi before screwing the Pi into the case (if you have chosen to use the case)

**3:** Plug the HDMI cord into both your screen and the Pi.  As well as the Power cord.

**4:** If you purchase a kit, you normally get the SD card with the Pi with NOOBS preinstalled to assist with installation of Raspbian and Retropie.  If you do not have those preinstalled you can get a wonderful walk through [[https://projects.raspberrypi.org/en/projects/noobs-install|Here]]

Note: You will need the keyboard and mouse for this step.

**5:** With the thumb drive, you will want to format it to FAT32 if it is not already in FAT32 formatting.  This can be done with windows in the file explorer by right clicking on the thumb drive and selecting properties and be looking for FAT32 or NTFS and make sure it is FAT32, reformat if necessary.

- Once formatted put the thumb drive into the Pi, and give it a minute or so then unplug and put into your main computer.  The thumb drive will now have some directories(folders) in place.  You will want to put any of your ROMS into the specified console directory.  For example:  Super Mario World SNES ROM would go into the "snes" directory.

Note: Capitalization matters!  Raspbian is a Linux type system where SNES and snes are completely different.

**6:** Once the thumb drive is containing all the ROMS desired, insert into the PI and allow it time to save those files to the Micro SD card.  In my experience it took a couple of minutes or less.  The higher number of ROMS the longer it will take)

**7:**  At this point once thumb drive is removed, you will want to restart emulation station through the Retropie Menu.

**8:** **Pro Tip:** Use Steven Selph's Scraper!

This scraper from what I have found is an upgrade from the default scraper that is built into emulation station.
<code>

To run:
~/Retropie_Setup/retropie_setup.sh

then select 
    * Manage Packages
    * Manage optional packages
    * scraper (Bottom of list)
    * Configure / tools

</code>
if running the scraper on the pi itself, expect it to take some time![3]



**References**\\
[1] [[https://www.modmypi.com/blog/how-to-install-heat-sinks-on-the-raspberry-pi|Great source on Heatsink installation]]\\
[2] [[https://projects.raspberrypi.org/en/projects/noobs-install|NOOBS installation]]\\
[3] [[https://github.com/sselph/scraper|Steven Selph's Scraper]]\\
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