Satadru Pramanik, DO, MPH, MEng satmandu

## build_rstudio_focal.sh
#!/bin/bash -ex
git_branch="v1.3-patch"
git_base="https://github.com/rstudio/rstudio"
QT_VERSION=5.15.0
now=$(date +"%m%d%Y%H%M")
#docker build --pull --no-cache -f Dockerfile.focal-amd64 -t rstudio:focal-amd64 .
# following from https://stackoverflow.com/a/246128
SOURCE="${BASH_SOURCE[0]}"
while [ -h "$SOURCE" ]; do # resolve $SOURCE until the file is no longer a symlink
  DIR="$( cd -P "$( dirname "$SOURCE" )" >/dev/null 2>&1 && pwd )"

## bounce_ipv6.sh
#!/bin/bash
# Put this script into your crontab e.g.
# @reboot ~/bin/bounce_ipv6.sh
# Bounce IPv6 connection if router is up but IPv6 connectivity is down,
# and check the connection every 30 seconds.
router_address="192.168.0.1"
ipvsixaddress="2600::"
while true;
do
  if ping -c1 $router_address &>/dev/null; then

## gist:3fd42c5a538bc34a1636950740838d3e
From https://www.spotpear.com/learn/EN/raspberry-pi/Raspberry-Pi-LCD/Raspberry-Pi-_Rotate-the-screen-display.html

Raspberry Pi - Rotate the screen display


Raspberry Pi 2.4/3.2 inch LCD

Rotate display
sudo nano /boot/config.txt

## zfs_build
#!/bin/bash -x
main () {
VER=10
export CC="ccache gcc-${VER}"
export CXX="ccache g++-${VER}"
export SHLIB_CXXLD="g++-${VER}"
#FC="ccache gfortran"
#F77="ccache gfortran"
zfs_work="$(pwd)/$(uname -m)"
mkdir -p "${zfs_work}"

## build_arm64_rpi_userland.sh
#!/bin/bash  -x

workdir="${HOME}/workdir"
[[ ! -d "$workdir" ]] && ( mkdir -p "$workdir" || exit 1)
[[ ! -d "$workdir"/tmp ]] && ( mkdir -p "$workdir"/tmp || exit 1)
[[ ! -d "$workdir"/output ]] && ( mkdir -p "$workdir"/output || exit 1)
echo "workdir is ${workdir}"
tmpdir=$(mktemp -d deb_XXXX -p "$workdir"/tmp)
deb_temp=${tmpdir}/deb
extract_tmp=${tmpdir}/extract

## raspios.sh
#!/bin/bash
# raspios.sh
# Usage:
# REPOSITORY=YOUR_DOCKER_HUB_REPOSITORY_type raspios image_file_url debian_release type date ARCH
# or if img already exists this works too:
# raspios.sh dummy debian_release type date ARCH
# (Default is not to delete the image after download.)
# e.g.
# Example for arm64:
# ./raspios.sh  https://downloads.raspberrypi.com/raspios_lite_arm64/images/raspios_lite_arm64-2023-12-06/2023-12-05-raspios-bookworm-arm64-lite.img.xz bookworm lite 2023-12-06 arm64

## a_enable_wireless.sh
#!/bin/sh
# this goes into /etc/initramfs-tools/scripts/init-premount/a_enable_wireless
PREREQ=""
prereqs()
{
    echo "$PREREQ"
}

case $1 in
prereqs)

## bashprompt.sh
# Goes in .bashrc
# Heavily cribbed from
# https://stackoverflow.com/a/16715681
# and inspired by
# https://unix.stackexchange.com/a/420090
__prompt_command() {
local EXIT="$?"             # This needs to be first
    PS1=""

    local RCol='\[\e[0m\]'

## usbtrim
#!/bin/bash
# This goes in /usr/share/initramfs-tools/hooks/usbtrim

case $1 in
prereqs)
        echo "udev"
        exit 0
        ;;
esac

## crewbuild-alex-i686.m58.sh
#!/bin/bash
if [ -n "$SSH_CLIENT" ] || [ -n "$SSH_TTY" ]; then
  SESSION_TYPE=remote/ssh
elif pstree -p | egrep --quiet --extended-regexp ".*sshd.*\($$\)"; then
  SESSION_TYPE=remote/ssh
else
  case $(ps -o comm= -p $PPID) in
    sshd|*/sshd) SESSION_TYPE=remote/ssh;;
  esac
fi
	#!/bin/bash -ex
	git_branch="v1.3-patch"
	git_base="https://github.com/rstudio/rstudio"
	QT_VERSION=5.15.0
	now=$(date +"%m%d%Y%H%M")
	#docker build --pull --no-cache -f Dockerfile.focal-amd64 -t rstudio:focal-amd64 .
	# following from https://stackoverflow.com/a/246128
	SOURCE="${BASH_SOURCE[0]}"
	while [ -h "$SOURCE" ]; do # resolve $SOURCE until the file is no longer a symlink
	DIR="$( cd -P "$( dirname "$SOURCE" )" >/dev/null 2>&1 && pwd )"
	#!/bin/bash
	# Put this script into your crontab e.g.
	# @reboot ~/bin/bounce_ipv6.sh
	# Bounce IPv6 connection if router is up but IPv6 connectivity is down,
	# and check the connection every 30 seconds.
	router_address="192.168.0.1"
	ipvsixaddress="2600::"
	while true;
	do
	if ping -c1 $router_address &>/dev/null; then
	From https://www.spotpear.com/learn/EN/raspberry-pi/Raspberry-Pi-LCD/Raspberry-Pi-_Rotate-the-screen-display.html

	Raspberry Pi - Rotate the screen display



	Raspberry Pi 2.4/3.2 inch LCD

	Rotate display
	sudo nano /boot/config.txt
	#!/bin/bash -x
	main () {
	VER=10
	export CC="ccache gcc-${VER}"
	export CXX="ccache g++-${VER}"
	export SHLIB_CXXLD="g++-${VER}"
	#FC="ccache gfortran"
	#F77="ccache gfortran"
	zfs_work="$(pwd)/$(uname -m)"
	mkdir -p "${zfs_work}"
	#!/bin/bash -x

	workdir="${HOME}/workdir"
	[[ ! -d "$workdir" ]] && ( mkdir -p "$workdir" \|\| exit 1)
	[[ ! -d "$workdir"/tmp ]] && ( mkdir -p "$workdir"/tmp \|\| exit 1)
	[[ ! -d "$workdir"/output ]] && ( mkdir -p "$workdir"/output \|\| exit 1)
	echo "workdir is ${workdir}"
	tmpdir=$(mktemp -d deb_XXXX -p "$workdir"/tmp)
	deb_temp=${tmpdir}/deb
	extract_tmp=${tmpdir}/extract
	#!/bin/bash
	# raspios.sh
	# Usage:
	# REPOSITORY=YOUR_DOCKER_HUB_REPOSITORY_type raspios image_file_url debian_release type date ARCH
	# or if img already exists this works too:
	# raspios.sh dummy debian_release type date ARCH
	# (Default is not to delete the image after download.)
	# e.g.
	# Example for arm64:
	# ./raspios.sh https://downloads.raspberrypi.com/raspios_lite_arm64/images/raspios_lite_arm64-2023-12-06/2023-12-05-raspios-bookworm-arm64-lite.img.xz bookworm lite 2023-12-06 arm64
	#!/bin/sh
	# this goes into /etc/initramfs-tools/scripts/init-premount/a_enable_wireless
	PREREQ=""
	prereqs()
	{
	echo "$PREREQ"
	}

	case $1 in
	prereqs)
	# Goes in .bashrc
	# Heavily cribbed from
	# https://stackoverflow.com/a/16715681
	# and inspired by
	# https://unix.stackexchange.com/a/420090
	__prompt_command() {
	local EXIT="$?" # This needs to be first
	PS1=""

	local RCol='\[\e[0m\]'
	#!/bin/bash
	# This goes in /usr/share/initramfs-tools/hooks/usbtrim

	case $1 in
	prereqs)
	echo "udev"
	exit 0
	;;
	esac
	#!/bin/bash
	if [ -n "$SSH_CLIENT" ] \|\| [ -n "$SSH_TTY" ]; then
	SESSION_TYPE=remote/ssh
	elif pstree -p \| egrep --quiet --extended-regexp ".sshd.\($$\)"; then
	SESSION_TYPE=remote/ssh
	else
	case $(ps -o comm= -p $PPID) in
	sshd\|*/sshd) SESSION_TYPE=remote/ssh;;
	esac
	fi