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Raspberry Pi

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Linux

Windows

Windows Power Shell TS3  Wikipedia

3D

Printing Tinkercad Copter Scanning Photogrammetry hackaday.io

RPG

Roll20 d20pfsrd Pathfinder Warhammer  Warhammer 40k Pathbuilder 2e Midgard Savage Worls drivethrurpg

Bouldern

Boulderwall Self made escaladrome

Haus

Energie Features Ruhezeiten

Netz

Netz Security things NAS

Misc

Streaming

GamsGo Amazon Netflix Disney+ Apple Paramount+ zdfinfo justwatch AWZ joyn

PC Games

Othercide Imperialism Pathfinder Wrath of the Righteous

Linux debian 10 (buster)

• cd

  change directory

• ls

  show folder

  ls -a

  show hidden files

  ls -l

  show detailed list

du

used disc spac by folder

sudo du -xhd1 / 2>/dev/null | sort -h

• mkdir

  make directory

• rm

  remove

  rm -r

  remove recursive

• rmdir

  remove directory

• arp

  connected machines in LAN

• SSH

  ssh USERNAME@IP

• Raspberry Pi Model

  cat /proc/device-tree/model

• find MAC Address

  ip link

• Checking Raspberry Pi Revision Number & Board Version

  pinout
  cat /proc/cpuinfo
  cat /proc/device-tree/model
  cat /etc/os-release
  

• hostname

  sudo hostnamectl set-hostname [NEWHOSTNAME]

  sudo nano /etc/hosts

  edit

  127.0.1.1 [NEWHOSTNAME]

• VideoCore GPU

  vcgencmd measure_temp

  Bit	Hexadecimal value	Meaning
  0	0x1	Undervoltage detected
  1	0x2	Arm frequency capped
  2	0x4	Currently throttled
  3	0x8	Soft temperature limit active
  16	0x10000	Undervoltage has occurred
  17	0x20000	Arm frequency capping has occurred
  18	0x40000	Throttling has occurred
  19	0x80000	Soft temperature limit has occurred

• find

  find a direktory: find / -name "[directory]"
  Getting a detailed list of files/dirs: find / -name "apt" -ls

• chmod

  “chmod 777” means making the file readable, writable and executable by everyone.

• shell scripts executable

  help: wiki.ubuntuusers.de
  file starts with:

  #!/bin/bash

  permission to execute:

  sudo chmod +x [FILENAME].sh

  run:

  ./[FILENAME].sh

• cp

  copy

• scp

  scp -rp sourcedirectory user@dest:/path

• ssl

  ssl [IP]
  y at first connect

• mv

  move files

• df -h

  "disk-free"

• fdisk -l

  disk size
  disk used

• Update/Upgrade

  sudo apt-get update
  sudo apt-get upgrade
  sudo apt-get update --allow-releaseinfo-change

• aptitude

  sudo apt-get update
  sudo apt-get install aptitude
  sudo aptitude install [name]

  z.B.:

  sudo aptitude install libpam-systemd:i386

• curl

  transfer data to or from a server

• pwd

  current dir

• whatis

  what is the program

• pip

  install Python-Modules

• crontab

  usage:	crontab	[-u user] file
  	crontab	[ -u user ] [ -i ] { -e | -l | -r }
  		(default operation is replace, per 1003.2)
  	-e	(edit user's crontab)
  	-l	(list user's crontab)
  	-r	(delete user's crontab)
  	-i	(prompt before deleting user's crontab)

  start

  sudo service cron start

  status

  sudo service cron status

  Crontab tutorial
  cron-job-examples

• man

  Manual

• shutdown

  shutdown -h

• dhcpcd.service

  service dhcpcd restart

• DNS

  /etc/resolv.conf

• nslookup

  nslookup shadow.my-wan.de

• CPU

  top

• RAM

  free

• mount network

  Quelle: fraunerd.de
  sudo nano /etc/fstab
  //CLOUD-IP/FOLDER /home/pi/FOLDER cifs username=USERNAME,password=PASSWORD,uid=pi,gid=pi 0 0

  sudo mount -a

• mount usb stick

  sudo fdisk -l

  note device name
  

  create mount point

  mkdir /media/usb-drive

  mount

  mount /dev/[DEVICENAME] /media/usb-drive/

  change folder

  cd /media/usb-drive

  unmount

  umount /media/usb-drive

• timedatezone

  timedatectl status

  change time zone

  sudo timedatectl set-timezone Europe/Berlin

  timedatezone
  NTP needs protocol TCP+UDP
  and

  sudo reboot now

  or set with:

  sudo date -s '2014-12-25 12:34:56'

• timedatezone

  sudo nano /etc/systemd/timesyncd.conf

  [Time]
  NTP=192.168.4.1
  FallbackNTPServers=

  sudo systemctl restart systemd-timesyncd
  timedatectl show-timesync

• Create a Service

  as Systemd Service

• Update OS

  sudo apt update && sudo apt full-upgrade
  cat /etc/os-release

  Update OS bullseye to bookworm

  sudo cp /etc/apt/sources.list /etc/apt/sources.list.bullseye
  sudo cp /etc/apt/sources.list.d/raspi.list /etc/apt/sources.list.d/raspi.list.bullseye

  sudo sed -i 's/bullseye/bookworm/g' /etc/apt/sources.list

  sudo sed -i 's/bullseye/bookworm/g' /etc/apt/sources.list.d/raspi.list

  sudo apt update

  sudo apt full-upgrade

  systemctl --failed

  Update OS bookworm to trixie

  sudo cp /etc/apt/sources.list /etc/apt/sources.list.bookworm
  sudo cp /etc/apt/sources.list.d/raspi.list /etc/apt/sources.list.d/raspi.list.bookworm

  sudo sed -i 's/bookworm/trixie/g' /etc/apt/sources.list

  sudo apt update

  sudo sed -i 's/bookworm/trixie/g' /etc/apt/sources.list.d/raspi.list

  sudo apt update

  sudo apt full-upgrade

  systemctl --failed