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Ubuntu directly
2. Ubuntu installation
3. Firewall configuration
4. Install & configure the toolchain
Before we start to install the OS, we need a couple of things first: to downoad it, and to write it on a DVD. There may be also to make a USB bootable, but for this tutorial I will cover only by CD (DVD). At least for now.
Step 1
Download ubuntu desktop from here.
This is what I installed: Ubuntu 20.04.2.0 LTS.
Step 2
In the Downloads folder, right click on the Ubuntu iso image, and select Properties. Then on the General tab, click on the Change button, and then select Windows Disc Image Burner or Windows Explorer.
Click Ok once, and then Apply, with OK once more.
Step 3
Insert the DVD in the PC where you want to install Ubuntu.
Step 4
Right click again on the ubuntu image, but this time choose Burn disc image. After that Select your DVD disc drive, and also check on Verify disc after burning. And then hit Burn.
Step 5
After the writing the DVD has completed succesefully, hit Close button, and inserting on the computer where you want to install it.
Step 6
In order to boot from the DVD, instead of the hard drive, we need to go to BIOS and make a few changes there.
In order to do that restart or turn on your computer. In the very begining press multimple times key F2. You should see a blue window like this one, in a short while.
Go to Boot tab, and then select Boot Device Priority. For that use arrows to navigate through menu, and to make selection press Enter key.
Step 7
In the next window, give to your CD/DVD reader a greater priority than SATA hardrive. In this example I put the DVD reader into the first place, and SATA hardrive anywhere after it. To change position use + or -.
After all is set, press F10 key for save and exit, and then Enter key for OK.
Step 1
In the first step Ubuntu it loads, it will checkthe integrity of the DVD. You can skp it if you want, but I highly recommended it, for making sure that we do not encounter other errors later on.
Step 2
Select your language, and then choose to Install Ubuntu. In my case I will choose English.
Step 3
Live the layout of keyboard as default with both English (US). This is the default keyboard layout for myself. Later on you can add another one as you want.
Step 4
If you not connected the computer with a internet acces through LAN, it will ask you to connect through wireless.
If you encounter this window, check in Connect to this network, and then select your Wi-fi and press Connect button, and then enter your password.
Then hit Continue.
Step 5
Live it as default: choose Normal installation, and the options of Download updates with Install third-party software and Wi-Fi hardware and additional media formats.
Hit again Continue button.
Step 6
If you have already installed Ubuntu before, this window may appear.
In this case I will erase everything and I will start over, by selecting Erase disk and install Ubuntu. Then press Install Now, and on the prompt choose Continue.
Step 7
Choose your time zone by typing your city, and then choose from the suggested list, or clicking on the map. I am from Bucharest, so I will press Continue.
Step 8
Then choose a name for the computer, a computer's name (how is this device seen by others), and a username and a password. I make my choice as you can see. Also I checked in Log in automatically, as I get bored to enter by so many times the password on Ubuntu, but you are free to pick up the other choice.
Step 9
After installation is finished, press Restart Now.
Step 10
Remove the DVD/CD, put the try back, and press Enter key for continue.
Step 11
Next connect your accounts. I will connect this time only the Ubuntu Single Sign-On Account, as I already have it. If you want to make one too, go to ubuntu account on any device. On Keyring password, setup the same key as Ubuntu admin.
Hit the Next green button.
Step 12
Livepatch give you the ability to update your OS, without the necesity to restart. For set it up, all you need to do is just press Set Up Livepatch, enter your credentials, and then Click Continue when it pop up a message that alert you the need of having an Ubuntu one account.
Enter once more your password for Ubuntu Single Sign-On account, and then choose a password for the Livepatch.
A message text should appear that You're all set.
Click Next green to continue.
Step 13
I choosed not sending informations, but you are free to do so.
I checked No, don't send system info. Then Click Next.
Step 14
You can skip the activation of Location, as it's not needed for this setup. I will do the same
Hit Next.
Step 15
We will skip the installation of the apps, by clicking on Done.
Step 16
click on the 9 dots icon, and on the search bar type in software, and then click on the second application, Software Update.
Then if it detect something, click on Install Now, followed by your credentials.
Then Restart your computer with Restart Now, or just click Ok, depending of the buttons you have.
Step 17
Ubuntu doesn't required an antivirus like Windows. But I highly recommended to setup the firewall for it.
To do this, press again on the 9 dots icon, but thi time search for ubuntu, and then click on the Ubuntu Software icon.
Step 18
After it's loading, press on the magnifier icon in the top left corner of the window, and search for gufw.
Step 19
Click on the Firewall Configuration application, to get in. And then press Install green button, to install it.
Enter your credentials, when it asks you to.
Step 20
After it's installed, click x to close the Ubuntu Software window.
Hit again the 9 dots icon, and then search for gufw again to find the application.
Step 21
After open it, all you need to do is to change it's Status to on, and make sure that Incoming it's set up to Deny. This is the default configuration.
After that you can close the window by pressing the x button.
Now it's time to install the develompent environment for ESP8266 board.
Step 1
Click again on the 9 dots icon or press windows key on your keyboaard, and then search for the terminal. Then right click on it and then Add to Favorites, as we will use it a while.
Then left click on it to open it. Alternatively you can launch it with the ctrl + alt + t hotkey.
Step 2
Run:
sudo apt-get install gcc git wget make libncurses-dev flex bison gperf python3 python3-serial
Enter your credentials, and then type y for yes.
Step 3
Download the toolchain with:
sudo wget https://dl.espressif.com/dl/xtensa-lx106-elf-gcc8_4_0-esp-2020r3-linux-amd64.tar.gz
Step 4
Create esp directory, and go inside it.
mkdir -p ~/esp
cd ~/esp
Step 5
Extract the archive to esp folder.
tar -xzf ~/xtensa-lx106-elf-gcc8_4_0-esp-2020r3-linux-amd64.tar.gz
Step 6
Next download ESP8266_RTOS_SDK.
git clone --recursive https://github.com/espressif/ESP8266_RTOS_SDK.git
Step 7
Edit the .profile file, which is one level up.
nano ../.profile
At the end of the file we add:
export PATH="$PATH:$HOME/esp/xtensa-lx106-elf/bin"
export IDF_PATH="$HOME/esp/ESP8266_RTOS_SDK"
Then save the file with ctrl + O. And exit with ctrl + x.
Step 8
Type printenv PATH to see if it's installed corectly. If it's Ok, it should give you a long link, else a short error.
Step 9
Type sudo reboot for restarting the PC.
After login re-open the Terminal console from the taskbar, where we just saved.
Then type printenv IDF_PATH. It should print a short link, instead of nothing.
Step 10
For making pip works, run:
sudo apt-get install -y python3-pip
Enter your credentils when it asked to.
Step 11
Install python dependency by:
python3 -m pip install --user -r $IDF_PATH/requirements.txt
Step 12
For the build setup, run:
sudo apt-get install python-is-python3
That's it. All you need to do now, it's to pick up an example, and build it.