Rasberry Pi: Difference between revisions

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== Rasberry Pi OS ==
== Rasberry Pi OS ==


See c[https://www.raspberrypi.com/documentation/computers/config_txt.html  /boot/firmware/config.txt].
See [https://www.raspberrypi.com/documentation/computers/config_txt.html  /boot/firmware/config.txt].
 
Command line configuration program:
raspi-config
 
=== Upgrades ===
 
apt update && sudo apt upgrade -y
 
=== Web Server ===
 
apt install apache2
 
* Configuration: /etc/apache2
* Serve from: /var/www/html


=== Change swap ===
=== Change swap ===
  dphys-swapfile swapoff
  dphys-swapfile swapoff


Edit /etc/dphys-swapfile, eg 1GB:
Edit /etc/dphys-swapfile, eg 1 GB:
  CONF_SWAPSIZE=1024  
  CONF_SWAPSIZE=1024  


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=== Composite Video ===
=== Composite Video ===


Note: CVBS is on sleve; Gnd is ring 3.
Note: CVBS is on sleve; Gnd is ring 3. It is enabled when no HDMI monitor is connected.


In config.txt, set for PAL (UK):
In config.txt, set for PAL (UK):
* sdtv_mode=2
* sdtv_mode=2
=== Temperature ===
Divide value by 1000 to get temp in C:
* /sys/class/thermal/thermal_zone0/temp
CPU Core throttling above 80 C.

Latest revision as of 04:53, 8 May 2024

Device

Windows IOT

Rasberry Pi OS

See /boot/firmware/config.txt.

Command line configuration program:

raspi-config

Upgrades

apt update && sudo apt upgrade -y

Web Server

apt install apache2
  • Configuration: /etc/apache2
  • Serve from: /var/www/html

Change swap

dphys-swapfile swapoff

Edit /etc/dphys-swapfile, eg 1 GB:

CONF_SWAPSIZE=1024 
dphys-swapfile setup
dphys-swapfile swapon

Composite Video

Note: CVBS is on sleve; Gnd is ring 3. It is enabled when no HDMI monitor is connected.

In config.txt, set for PAL (UK):

  • sdtv_mode=2

Temperature

Divide value by 1000 to get temp in C:

  • /sys/class/thermal/thermal_zone0/temp

CPU Core throttling above 80 C.