lhazlewood

Raspberry Pi OS Lite Debian Trixie: De-Bloat Network Packages

I have a headless raspberry pi 5 that only needs an ethernet connection with a static IP address. I don't need wifi, dhcp, NetworkManager, systemd-networkd, systemd-resolvd, netplan, etc.

It's amazing that you can't use the Raspberry Pi Imager to just create a debian lite install without all of that crap.
The following provides a simpler, saner, and leaner default IMO.

1. Install the ifupdown package:

lhazlewood

for (Provider provider : Security.getProviders()) {
    for (def service : provider.getServices()) {
        if (service.getType() == 'AlgorithmParameters' && service.getAlgorithm() == 'EC') {
            String result = service.getAttribute('SupportedCurves')
            String[] split = Strings.delimitedListToStringArray(result, '|')
            println "supported curves: "
            for(String s : split) {
                String[] cleaned = Strings.delimitedListToStringArray(s, ',' ,'[]')
                Set<String> names = io.jsonwebtoken.lang.Collections.setOf(cleaned)
                println names.join(', ')

lhazlewood

java -XshowSettings:properties -version 2>&1 | grep 'java.vendor =' | awk -F'= ' '{print $2}'

lhazlewood

$ NAME="macOSSierra"
$ VBoxManage setextradata "$NAME" "VBoxInternal/Devices/efi/0/Config/DmiBoardProduct" "Mac-F22589C8"
$ VBoxManage setextradata "$NAME" "VBoxInternal/Devices/efi/0/Config/DmiSystemSerial" "CK1156I6DB6"
$ VBoxManage modifyvm "$NAME" --paravirtprovider none
# after reboot:
$ VBoxManage modifyvm "$NAME" --paravirtprovider default

lhazlewood

# Specifically JDK installations (contain 'javac' command) and not JREs:
yum --disablerepo=* whatprovides '*/bin/javac' | grep ilename | awk -F': ' '{print $2}' | sed 's/\/bin\/javac//'

# All JRE installations (those with bin/java but without bin/javac).  Includes JREs that are included in JDKs.
for candidate in $(yum --disablerepo=* whatprovides '*/bin/java' | grep ilename | awk -F': ' '{print $2}' | sed 's/\/bin\/java//'); do
  if [ ! -x "${candidate}/bin/javac" ]; then
    echo "${candidate}"
  fi
done

lhazlewood

# for example, to print ansible_distribution:
ansible localhost -m setup 2>/dev/null | sed '1 s/^.*$/{/' | jq -r '.ansible_facts.ansible_distribution'

lhazlewood

response="$(curl --silent --show-error -i https://google.com)"

status_code="$(echo "$response" | head -1 | awk '{print $2}')"

headers="$(echo "$response" | sed "/^\s*$(printf '\r')*$/q" | sed '/^[[:space:]]*$/d' | tail -n +2)"

body="$(echo "$response" | sed "1,/^\s*$(printf '\r')*$/d")"

lhazlewood

#!/bin/bash

echo `ps -A | grep coreaudiod | grep -v grep`
sudo kill `ps -A -o pid,comm | grep coreaudiod | grep -v grep | awk '{ print $1 }'`
sleep 1
echo `ps -A | grep coreaudiod | grep -v grep`

lhazlewood

#!/usr/bin/env bash

[[ -z "$JAVA_HOME" ]] && echo "JAVA_HOME must be set" && exit 1

cd $JAVA_HOME/jre/lib/security
curl -LO "http://download.oracle.com/otn-pub/java/jce/8/jce_policy-8.zip" -H 'Cookie: oraclelicense=accept-securebackup-cookie'
# backup existing JVM files that we will replace just in case:
mv local_policy.jar local_policy.jar.orig
mv US_export_policy.jar US_export_policy.jar.orig
unzip jce_policy-8.zip

lhazlewood

#!/usr/bin/env bash

LINK_FILE="$HOME/.m2/settings.xml"

if [ ! -L "$LINK_FILE" ]; then
  echo "This program expects $LINK_FILE to be a symbolic link."
  exit 1
fi

if [ -z "$1" ]; then