computer:raspi:pihole_readonly [spring2wiki]

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======  Pihole auf Orange Pi Zero ======


    Armbian Buster von https://www.armbian.com/orange-pi-zero-2-h5/
    Password 1234

===== DNScrypt-Proxy =====
  * https://www.heise.de/select/ct/2021/21/2123617103365586310, hier http://hermes.markus-spring.info/dokuwiki/lib/exe/fetch.php?media=ct.21.21.110-114.pdf
  * https://github.com/dnscrypt/dnscrypt-proxy/wiki/Installation-linux

===== Wireguard =====
  * https://docs.pi-hole.net/guides/vpn/wireguard/client/
===== Readonly mit unionfs =====

Anleitung von https://github.com/MarkDurbin104/rPi-ReadOnly, angepasst!
    
    apt install unionfs-fuse
    
Prompt modifizieren in /etc/bash.bashrc

  set_bash_prompt() {
  fs_mode=$(mount | sed -n -e "s/^\/dev\/.* on \/ .*(\(r[w|o]\).*/\1/p")
  PS1='\[\033[01;32m\]\u@\h${fs_mode:+($fs_mode)}\[\033[00m\]:\[\033[01;34m\]\w\[\033[00m\]\$ '
  }
  PROMPT_COMMAND=set_bash_prompt
  
===== WPAD-file servieren ===== 
(https://en.wikipedia.org/wiki/Web_Proxy_Auto-Discovery_Protocol)
siehe auch https://www.mielke.de/blog/Was-man-mit-dem-Pi-hole-noch-so-machen-kann--494/

  cat << EOF > /var/www/html/wpad.dat
  function FindProxyForURL(url, host)
  {
  return "DIRECT";
  }
  EOF