From e98d9574831194c1ac8e3bada8caccdc210a1d7e Mon Sep 17 00:00:00 2001 From: Gerardo Marx Date: Mon, 8 Aug 2022 19:52:16 -0500 Subject: [PATCH] TOC generated --- Readme.md | 51 ++++++++++++++++++++++++++++++++++++++++++++++++++- 1 file changed, 50 insertions(+), 1 deletion(-) diff --git a/Readme.md b/Readme.md index e171f36..c92dd0f 100644 --- a/Readme.md +++ b/Readme.md @@ -1,3 +1,24 @@ + + + +* [Introduction](#introduction) +* [Part-1: Introduction to IoT systems and single-board computers (SBC)](#part-1-introduction-to-iot-systems-and-single-board-computers-sbc) + * [Accessing to SBCs by USB](#accessing-to-sbcs-by-usb) + * [Accessing the RPi4 by ssh](#accessing-the-rpi4-by-ssh) + * [Error connection](#error-connection) + * [Basic commands on the Bash](#basic-commands-on-the-bash) + * [Basic configuration](#basic-configuration) + * [Updating the system and installing VIM](#updating-the-system-and-installing-vim) + * [Changing the bb's or rpi4's hostname](#changing-the-bbs-or-rpi4s--hostname) + * [Changing the user's password](#changing-the-users-password) + * [Time and internet access](#time-and-internet-access) + * [Oh My Bash](#oh-my-bash) + * [SSH Key pairs](#ssh-key-pairs) +* [Starting with the ESP32](#starting-with-the-esp32) + * [Git](#git) + + + # Introduction This repository is developed to cover the embedded systems lecture at summer school in Jade University. @@ -60,6 +81,16 @@ and the key for the corresponding IP address 2806:103e:5:50f4:3ad2:69ff:fef9:46b ``` you have to edit the '.ssh/known_hosts' file, and delete the lien that contains the offending key and the corresponding IP address given the warning. +## Basic commands on the Bash ## +Next are listing the most used and common commands on the bash-shell: +- `ls` +- `touch` +- `rm` +- `mkdir` +- `cd` +- `cp` + +let us play a little bit on bash. ## Basic configuration Once you are able to connect or get in into the SBC, a basic configuration and package installation is required. The next section will guide you install Vim, the SBC's hostname, the user password, internet access and time, and finally to install a useful bash tool. ### Updating the system and installing VIM @@ -241,5 +272,23 @@ Now try logging into the machine, with: "ssh 'debian@bbb-marx.local'" and check to make sure that only the key(s) you wanted were added. ``` -# Starting with the ESP32 +# Starting with the ESP32 # The next section will introduce the basics of programming the ESP32 with the Arduino IDE. The first codes allow us to use the GPIOs, serial communication, Wi-Fi, and finally the MQTT protocol. + +Nevertheless, some basics of Git *Control Version System* is required before start. + +## Git + +Git is a system for version controller developed by Linus Torvalds in 2005 for developing the Linux Kernel. + +Then, you can specify Git configuration settings with the git config command. One of the first things you did was set up your name and email address: +``` +git config --global user.name "John Doe" +git config --global user.email johndoe@example.com +``` +also you can set the main editor or client to commit: +``` +git config --global core.editor emacs +``` + +Now, try to create a new repository with two files: file-a and file-b, add some lines of code, and make a commit. Next, make some changes, and only commit the changes on file-a, the changes on file-b restore them to previous commit.