Reinstalling Sanity

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====== Raspbian Buster basics ======

Flash using the Raspberry Pi Imager -- don't forget to click into the settings cog and adjust things like username/password, host IP etc, and turn on SSH (don't bother with writing a blank ssh file to the boot partition).

===== Find the pi on the network =====

''nmap -sP 10.0.0.0/24'' is fairly reliable.


===== User and groups =====

The default user (which can now be named ''slack'' comes with: ''slack adm dialout cdrom sudo audio video plugdev games users input render netdev gpio i2c spi''.  So I don't think any groups need adding.  (See buster page if needed.)

Set up a root user that can be logged in to, starting with ''sudo su'' then ''passwd''.

===== Static IP =====

''Pi-hole'' arranges/messes with this, so if you're installing that maybe set the IP address that way.

If not, then change ''/etc/dhcpcd.conf'':

  # Example static IP configuration:
  interface eth0
  static ip_address=10.0.0.7/24
  #static ip6_address=fd51:42f8:caae:d92e::ff/64
  static routers=10.0.0.2
  static domain_name_servers=8.8.8.8 8.8.4.4

[Shouldn't be necessary:] To set the hostname, use ''hostnamectl set-hostname walter'',

Fix up ''/etc/hosts''.

I guess, like, reboot to bring that up?
===== Apt =====

Raspbian contains more packages than Debian net install it seems.

[Starting from the "full" desktop install but pitched at headless]

  apt install screen zsh
  
  gem install pry awesome_print

===== Config =====

  ln -s /sys/bus/w1/devices /home/slack/w1

As [[:buster:basics|buster]].

===== ssh =====

Copy over authorized_keys from ''alan''.

  ssh-keygen -t rsa -b 4096 -C slack-np@walter

Copy id_rsa.pub into any ''authosized_keys'' as needed.