Rpi-notes-01

Getting started with Raspberry Pi

Talk at Westlakes Amateur Radio Club 17 October 2015

https://www.raspberrypi.org/

noobs vs raspbian

checksums and torrents http://www.nirsoft.net/utils/hash_my_files.html

partitions and sd cards

win32diskimager download and install http://sourceforge.net/projects/win32diskimager/

dd for windows http://www.chrysocome.net/dd

writing image to sd card

boot into linux

login

shutdown

set memory split (raspi-config)

find current ip address

GPIO http://elinux.org/RPi_Low-level_peripherals

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Linux

• Putty / logging in
• Home directory and changing directories ~, cd, pwd, ls, root dir, structure, ls –l command explained
• File permissions (dir, owner, group, world)
• Other commands: touch, cat, grep, | (pipe), more, less
• Vi and basic commands: a, dd, x, ., n, :wq, :wq!, ZZ, r, $, ^, gg, G, cw, / (find)
• Datestamp / unix time
• keeping system up to date

HTML

• .html / .htm
• Basic structure: html-head-body, title
• Bold, nbsp, p, br,
• Tables
• Forms
• css
• images
• javascript

PHP

• <?php  ?> open and start tags, renaming extention to .php
• Basic commands: phpinfo(), echo, date
• Printing html tags from php
• Variables and arithmetic
• String concatenation
• Commands: substring, include, if-then, while,
• Fetching html form variables
• Accessing mysql from php

MySQL

• Database and table
• Rows, columns, index, auto-increment, id-field, primary key
• Phpmyadmin web interface
• Field types
• SELECT, INSERT, UPDATE, DELETE
• Sorting