X-Git-Url: https://zdv2.bktei.com/gitweb/EVA-2020-02.git/blobdiff_plain/8311e24cccd313978a8e80e9ca23355bcc06b621..f9377ba1f918032fa9fa777c3d0be764dd1256ee:/doc/setup/README.org diff --git a/doc/setup/README.org b/doc/setup/README.org index 9af6a78..d4a6327 100644 --- a/doc/setup/README.org +++ b/doc/setup/README.org @@ -1,11 +1,11 @@ -#+TITLE:Ninfacyzga-01 Setup +#+TITLE:Ninfacyzga-1 Main Setup #+AUTHOR:Steven Baltakatei Sandoval #+EMAIL:baltakatei@gmail.com * Main Setup ** About This document created by [[http://baltakatei.com][Steven Baltakatei Sandoval]] on ~2020-10-07T18:39Z~ under a [[http://creativecommons.org/licenses/by-sa/4.0/][CC BY-SA 4.0]] license and last updated on -~2020-10-08T00:33Z~. +~2020-10-17T21:22Z~. This document contains information regarding setup of the ninfacyzga-01 hardware common to all operation modes. This includes: @@ -175,10 +175,35 @@ In summary, remote SSH access may be enabled upon initial startup of a freshly installed image of Raspberry Pi OS by making sure an empty file named ~ssh~ is present on the ~boot~ partition. +***** Login via SSH +Assuming your router supports finding your Raspberry Pi via its +default hostname of `raspberypi`, log into the pi via Wi-Fi using the +following command: + +: $ ssh pi@raspberrypi + +Otherwise, you may have to identify the raspbery pi's IP address via +your network router's administration console and login via a command +resembling this: + +: $ ssh pi@192.168.x.x + +If you had previously set up a different raspberry pi that also used +the same hostname ~raspberrypi~ or the same IP address (ex: +~192.168.123.123~), you may have to inform your computer that this is a +different device. You may do so using these commands: + +: $ ssh-keygen -f ~/.ssh/known_hosts -R "raspberrypi" +: $ ssh-keygen -R 192.168.123.123 + ***** Add SSH public key If the use has an SSH public key, it may be added as a line in ~~/.ssh/authorized_keys~. +Add the ~~/.ssh~ directory if it doesn't already exist. + +: $ mkdir ~/.ssh + Follow [[https://superuser.com/a/925859/][these]] directions to set permissions. : $ chmod 700 ~/.ssh @@ -225,6 +250,8 @@ Make sure to install the ~unattended-upgrades~ package to make sure the latest security patches for packages are installed. See [[https://linux-audit.com/using-unattended-upgrades-on-debian-and-ubuntu/][this page]] for a description of how ~unattended-upgrades~ works. +: $ sudo apt install unattended-upgrades + The configuration file is located at: ~/etc/apt/apt.conf.d/50unattended-upgrades~ ([[https://linux-audit.com/using-unattended-upgrades-on-debian-and-ubuntu/][ref]]). Make sure that the following lines are present and not commented out. @@ -238,6 +265,21 @@ Install ~syncthing~ for log file transfer capability. : $ sudo apt install syncthing +Enable automatic startup. (See [[https://docs.syncthing.net/users/autostart.html][ref]]). + +: $ sudo systemctl enable syncthing@pi.service +: $ sudo systemctl start syncthing@pi.service + +The WebUI of the local instance of syncthing (port 8384) can be +accessed by running the following command from a separate machine: + +: $ ssh -L 127.0.0.1:8390:127.0.0.1:8384 pi@ninfacyzga-1-x + +Then, the separate machine should navigate to ~localhost:8390~ in a +web browser in order to change the ninfacyzga-1 device's +configuration. The separate machine's Syncthing configuration options +are accessible via its own web browser via ~localhost:8384~. + ****** ~git~ ~git~ facilitates downloading files from this repository to the device. It may be installed via: @@ -303,6 +345,47 @@ https://ideaheap.com/2013/07/stopping-sd-card-corruption-on-a-raspberry-pi/ Raspbian 10 Buster: https://www.raspberrypi.org/forums/viewtopic.php?p=1490692&sid=5c596a124b7805d6b10dab8d3d7caf16#p1490692 +***** Disable Bluetooth +In order to reduce power consumed by bluetooth transmissions, +bluetooth functionality should be disabled (see [[https://di-marco.net/blog/it/2020-04-18-tips-disabling_bluetooth_on_raspberry_pi/][link]]). + +Modify the ~/boot/config.txt~ file (the Pi's equivalent to BIOS +settings; see [[https://www.raspberrypi.org/documentation/configuration/config-txt/][link]]) to make sure the following lines are added: + +#+BEGIN_EXAMPLE +# Disable Bluetooth +dtoverlay=disable-bt +#+END_EXAMPLE + +The ~hciuart~ service is associated with bluetooth functionality via +UART which may conflict with location and time data provided via +~/dev/ttyAMA0~. It should be disabled like so: + +#+BEGIN_EXAMPLE +$ sudo systemctl disable hciuart +#+END_EXAMPLE + +***** Disable login console via serial port +Some ~ninfacyzga~ functions (location and time) require data transfer +via ~/dev/ttyAMA0~. In order to prevent serial login programs from +interfering with such functions, it is necessary to disable them. + +Run the following commands to disable login via ~ttyAMA0~: + +#+BEGIN_EXAMPLE +$ sudo systemctl stop serial-getty@ttyAMA0.service +$ sudo systemctl disable serial-getty@ttyAMA0.service +$ sudo systemctl disable hciuart +#+END_EXAMPLE + +Modify ~/boot/cmdline.txt~ to remove the console: + +#+BEGIN_EXAMPLE +$ sudo nano /boot/cmdline.txt +#+END_EXAMPLE + +Remove ~console=serial0,115200~ + ***** Log Transfer Configuration Log files may be shared to other machines via ~syncthing~. See [[https://docs.syncthing.net/][this]] manual for how to set up a shared folder and add Ninfacyzga-01 as a