mirror of
https://github.com/AG7GN/nexus-utilities.git
synced 2025-05-16 22:50:08 -07:00
362 lines
11 KiB
Bash
Executable File
362 lines
11 KiB
Bash
Executable File
#!/bin/bash
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#================================================================
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# HEADER
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#================================================================
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#% SYNOPSIS
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#+ ${SCRIPT_NAME} [-hv]
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#%
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#% DESCRIPTION
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#% This script generates new VNC server and SSH server and client keys and restores
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#% certain ham radio application configurations to default values at boot time
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#% if a file named DO_NOT_DELETE_THIS_FILE file does not exist in the user's
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#% home directory.
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#%
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#% Run this script whenever the Pi boots by adding a crontab entry, like this:
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#%
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#% 1) Run crontab -e
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#% 2) Add the following line to the end:
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#%
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#% @reboot sleep 5 && /usr/local/bin/initialize-pi.sh
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#%
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#% 3) Save and exit the crontab editor
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#%
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#% OPTIONS
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#% -h, --help Print this help
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#% -v, --version Print script information
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#%
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#================================================================
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#- IMPLEMENTATION
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#- version ${SCRIPT_NAME} 1.16.3
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#- author Steve Magnuson, AG7GN
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#- license CC-BY-SA Creative Commons License
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#- script_id 0
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#-
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#================================================================
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# HISTORY
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# 20181220 : Steve Magnuson : Script creation
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# 20200204 : Steve Magnuson : Added script template
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#
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#================================================================
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# DEBUG OPTION
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# set -n # Uncomment to check your syntax, without execution.
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# set -x # Uncomment to debug this shell script
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#
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#================================================================
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# END_OF_HEADER
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#================================================================
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SYNTAX=false
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DEBUG=false
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#============================
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# FUNCTIONS
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#============================
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function TrapCleanup() {
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[[ -d "${TMPDIR}" ]] && rm -rf "${TMPDIR}/"
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exit 0
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}
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function SafeExit() {
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# Delete temp files, if any
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[[ -d "${TMPDIR}" ]] && rm -rf "${TMPDIR}/"
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trap - INT TERM EXIT
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exit
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}
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function ScriptInfo() {
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HEAD_FILTER="^#-"
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[[ "$1" = "usage" ]] && HEAD_FILTER="^#+"
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[[ "$1" = "full" ]] && HEAD_FILTER="^#[%+]"
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[[ "$1" = "version" ]] && HEAD_FILTER="^#-"
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head -${SCRIPT_HEADSIZE:-99} ${0} | grep -e "${HEAD_FILTER}" | \
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sed -e "s/${HEAD_FILTER}//g" \
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-e "s/\${SCRIPT_NAME}/${SCRIPT_NAME}/g" \
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-e "s/\${SPEED}/${SPEED}/g" \
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-e "s/\${DEFAULT_PORTSTRING}/${DEFAULT_PORTSTRING}/g"
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}
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function Usage() {
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printf "Usage: "
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ScriptInfo usage
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exit
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}
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function Die () {
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echo "${*}"
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SafeExit
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}
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#============================
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# FILES AND VARIABLES
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#============================
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#== general variables ==#
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SCRIPT_NAME="$(basename ${0})" # scriptname without path
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SCRIPT_DIR="$( cd $(dirname "$0") && pwd )" # script directory
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SCRIPT_FULLPATH="${SCRIPT_DIR}/${SCRIPT_NAME}"
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SCRIPT_ID="$(ScriptInfo | grep script_id | tr -s ' ' | cut -d' ' -f3)"
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SCRIPT_HEADSIZE=$(grep -sn "^# END_OF_HEADER" ${0} | head -1 | cut -f1 -d:)
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VERSION="$(ScriptInfo version | grep version | tr -s ' ' | cut -d' ' -f 4)"
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DIR="$HOME"
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INIT_DONE_FILE="$DIR/DO_NOT_DELETE_THIS_FILE"
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#============================
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# PARSE OPTIONS WITH GETOPTS
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#============================
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#== set short options ==#
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SCRIPT_OPTS=':hv-:'
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#== set long options associated with short one ==#
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typeset -A ARRAY_OPTS
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ARRAY_OPTS=(
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[help]=h
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[version]=v
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)
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# Parse options
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while getopts ${SCRIPT_OPTS} OPTION ; do
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# Translate long options to short
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if [[ "x$OPTION" == "x-" ]]; then
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LONG_OPTION=$OPTARG
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LONG_OPTARG=$(echo $LONG_OPTION | grep "=" | cut -d'=' -f2)
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LONG_OPTIND=-1
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[[ "x$LONG_OPTARG" = "x" ]] && LONG_OPTIND=$OPTIND || LONG_OPTION=$(echo $OPTARG | cut -d'=' -f1)
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[[ $LONG_OPTIND -ne -1 ]] && eval LONG_OPTARG="\$$LONG_OPTIND"
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OPTION=${ARRAY_OPTS[$LONG_OPTION]}
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[[ "x$OPTION" = "x" ]] && OPTION="?" OPTARG="-$LONG_OPTION"
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if [[ $( echo "${SCRIPT_OPTS}" | grep -c "${OPTION}:" ) -eq 1 ]]; then
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if [[ "x${LONG_OPTARG}" = "x" ]] || [[ "${LONG_OPTARG}" = -* ]]; then
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OPTION=":" OPTARG="-$LONG_OPTION"
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else
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OPTARG="$LONG_OPTARG";
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if [[ $LONG_OPTIND -ne -1 ]]; then
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[[ $OPTIND -le $Optnum ]] && OPTIND=$(( $OPTIND+1 ))
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shift $OPTIND
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OPTIND=1
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fi
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fi
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fi
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fi
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# Options followed by another option instead of argument
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if [[ "x${OPTION}" != "x:" ]] && [[ "x${OPTION}" != "x?" ]] && [[ "${OPTARG}" = -* ]]; then
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OPTARG="$OPTION" OPTION=":"
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fi
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# Finally, manage options
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case "$OPTION" in
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h)
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ScriptInfo full
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exit 0
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;;
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v)
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ScriptInfo version
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exit 0
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;;
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:)
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Die "${SCRIPT_NAME}: -$OPTARG: option requires an argument"
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;;
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?)
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Die "${SCRIPT_NAME}: -$OPTARG: unknown option"
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;;
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esac
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done
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shift $((${OPTIND} - 1)) ## shift options
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#============================
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# MAIN SCRIPT
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#============================
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# Trap bad exits with cleanup function
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trap SafeExit EXIT INT TERM
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# Exit on error. Append '||true' when you run the script if you expect an error.
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set -o errexit
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# Check Syntax if set
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$SYNTAX && set -n
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# Run in debug mode, if set
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$DEBUG && set -x
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# Does $INIT_DONE_FILE exist? Is it a regular file? Is it not empty? If YES to all, then
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# exit.
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if [ -e "$INIT_DONE_FILE" ] && [ -f "$INIT_DONE_FILE" ] && [ -s "$INIT_DONE_FILE" ]
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then
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# [ -s /usr/local/bin/check-piano.sh ] && /usr/local/bin/check-piano.sh
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exit 0
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fi
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# Got this far? Initialze this Pi!
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echo "$(date): First time boot. Initializing..." > "$INIT_DONE_FILE"
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# Generate a new VNC key
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echo "Generate new VNC server key" >> "$INIT_DONE_FILE"
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sudo vncserver-x11 -generatekeys force >> "$INIT_DONE_FILE" 2>&1
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sudo systemctl restart vncserver-x11-serviced >/dev/null 2>&1
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# Generate new SSH server keys
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sudo rm -v /etc/ssh/ssh_host* >> "$INIT_DONE_FILE" 2>&1
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echo "Generate new SSH server keys" >> "$INIT_DONE_FILE"
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#sudo dpkg-reconfigure -f noninteractive openssh-server >> "$INIT_DONE_FILE" 2>&1
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cd /etc/ssh
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sudo rm -f ssh_host_*
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sudo ssh-keygen -A
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sudo systemctl restart ssh >/dev/null 2>&1
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cd $HOME
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echo "Remove ssh client keys, authorized_keys and known_hosts" >> "$INIT_DONE_FILE"
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rm -f $DIR/.ssh/known_hosts
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rm -f $DIR/.ssh/authorized_keys
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rm -f $DIR/.ssh/id_*
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rm -f $DIR/.ssh/*~
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rm -f $DIR/*~
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echo "Remove Fldigi suite logs and messages and personalized data" >> "$INIT_DONE_FILE"
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DIRS=".nbems .nbems-left .nbems-right"
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for D in $DIRS
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do
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rm -f ${DIR}/${D}/*~
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rm -f $DIR/$D/debug*
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rm -f $DIR/$D/flmsg.sernbrs
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rm -f $DIR/$D/ICS/*.html
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rm -f $DIR/$D/ICS/*.csv
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rm -f $DIR/$D/ICS/messages/*
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rm -f $DIR/$D/ICS/templates/*
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rm -f $DIR/$D/ICS/log_files/*
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rm -f $DIR/$D/WRAP/auto/*
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rm -f $DIR/$D/WRAP/recv/*
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rm -f $DIR/$D/WRAP/send/*
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rm -f $DIR/$D/TRANSFERS/*
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rm -f $DIR/$D/FLAMP/*log*
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rm -f $DIR/$D/FLAMP/rx/*
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rm -f $DIR/$D/FLAMP/tx/*
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rm -f $DIR/$D/ARQ/files/*
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rm -f $DIR/$D/ARQ/recv/*
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rm -f $DIR/$D/ARQ/send/*
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rm -f $DIR/$D/ARQ/mail/in/*
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rm -f $DIR/$D/ARQ/mail/out/*
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rm -f $DIR/$D/ARQ/mail/sent/*
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if [ -f $DIR/$D/FLMSG.prefs ]
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then
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sed -i -e 's/^mycall:.*/mycall:N0ONE/' \
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-e 's/^mytel:.*/mytel:/' \
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-e 's/^myname:.*/myname:/' \
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-e 's/^myaddr:.*/myaddr:/' \
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-e 's/^mycity:.*/mycity:/' \
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-e 's/^myemail:.*/myemail:/' \
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-e 's/^sernbr:.*/sernbr:1/' \
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-e 's/^rgnbr:.*/rgnbr:1/' \
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-e 's/^rri:.*/rri:1/' \
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-e 's/^sernbr_fname:.*/sernbr_fname:1/' \
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-e 's/^rgnbr_fname:.*/rgnbr_fname:1/' $DIR/$D/FLMSG.prefs
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fi
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done
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DIRS=".fldigi .fldigi-left .fldigi-right"
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for D in $DIRS
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do
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for F in $(ls -R $DIR/$D/*log* 2>/dev/null)
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do
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[ -e $F ] && [ -f $F ] && rm -f $F
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done
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rm -f $DIR/$D/*~
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rm -f $DIR/$D/debug/*txt*
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rm -f $DIR/$D/logs/*
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rm -f $DIR/$D/LOTW/*
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rm -f $DIR/$D/rigs/*
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rm -f $DIR/$D/temp/*
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rm -f $DIR/$D/kml/*
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rm -f $DIR/$D/wrap/*
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if [ -f $DIR/$D/fldigi_def.xml ]
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then
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sed -i -e 's/<MYCALL>.*<\/MYCALL>/<MYCALL>N0ONE<\/MYCALL>/' \
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-e 's/<MYQTH>.*<\/MYQTH>/<MYQTH><\/MYQTH>/' \
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-e 's/<MYNAME>.*<\/MYNAME>/<MYNAME><\/MYNAME>/' \
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-e 's/<MYLOC>.*<\/MYLOC>/<MYLOC><\/MYLOC>/' \
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-e 's/<MYANTENNA>.*<\/MYANTENNA>/<MYANTENNA><\/MYANTENNA>/' \
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-e 's/<OPERCALL>.*<\/OPERCALL>/<OPERCALL><\/OPERCALL>/' \
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-e 's/<PORTINDEVICE>.*<\/PORTINDEVICE>/<PORTINDEVICE><\/PORTINDEVICE>/' \
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-e 's/<PORTININDEX>.*<\/PORTININDEX>/<PORTININDEX>-1<\/PORTININDEX>/' \
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-e 's/<PORTOUTDEVICE>.*<\/PORTOUTDEVICE>/<PORTOUTDEVICE><\/PORTOUTDEVICE>/' \
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-e 's/<PORTOUTINDEX>.*<\/PORTOUTINDEX>/<PORTOUTINDEX>-1<\/PORTOUTINDEX>/' $DIR/$D/fldigi_def.xml
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fi
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done
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DIRS=".flrig .flrig-left .flrig-right"
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for D in $DIRS
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do
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if [ -f $DIR/$D/flrig.prefs ]
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then
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sed -i 's/^xcvr_name:.*/xcvr_name:NONE/' $DIR/$D/flrig.prefs 2>/dev/null
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mv $DIR/$D/flrig.prefs $DIR/$D/flrig.prefs.temp
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rm -f $DIR/$D/*.prefs
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mv $DIR/$D/flrig.prefs.temp $DIR/$D/flrig.prefs
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fi
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rm -f $DIR/$D/debug*
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rm -f ${DIR}/${D}/*~
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done
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echo "Restore defaults for tnc-*.conf files" >> "$INIT_DONE_FILE"
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sed -i 's/^MYCALL=.*/MYCALL=\"N0ONE-10\"/' $(ls $DIR/tnc-*.conf)
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# Restore defaults for rmsgw
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echo "Restore defaults for RMS Gateway" >> "$INIT_DONE_FILE"
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( systemctl list-units | grep -q "ax25.*loaded" ) && sudo systemctl disable ax25
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[ -L /etc/ax25/ax25-up ] && sudo rm -f /etc/ax25/ax25-up
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[ -f /etc/rmsgw/channels.xml ] && sudo rm -f /etc/rmsgw/channels.xml
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[ -f /etc/rmsgw/banner ] && sudo rm -f /etc/rmsgw/banner
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[ -f /etc/rmsgw/gateway.conf ] && sudo rm -f /etc/rmsgw/gateway.conf
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[ -f /etc/rmsgw/sysop.xml ] && sudo rm -f /etc/rmsgw/sysop.xml
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[ -f /etc/ax25/ax25d.conf ] && sudo rm -f /etc/ax25/ax25d.conf
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[ -f /etc/ax25/ax25-up.new ] && sudo rm -f /etc/ax25/ax25-up.new
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[ -f /etc/ax25/ax25-up.new2 ] && sudo rm -f /etc/ax25/ax25-up.new2
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[ -f /etc/ax25/direwolf.conf ] && sudo rm -f /etc/ax25/direwolf.conf
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[ -f $HOME/rmsgw.conf ] && rm -f $HOME/rmsgw.conf
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id -u rmsgw >/dev/null 2>&1 && sudo crontab -u rmsgw -r 2>/dev/null
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#rm -rf $DIR/.flrig/
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#rm -rf $DIR/.fldigi/
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#rm -rf $DIR/.fltk/
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# Remove Auto Hot-Spot if configured
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echo "Remove Auto-HotSpot" >> "$INIT_DONE_FILE"
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rm -f $HOME/autohotspot.conf
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sudo sed -i 's|^net.ipv4.ip_forward=1|#net.ipv4.ip_forward=1|' /etc/sysctl.conf
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if systemctl | grep -q "autohotspot"
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then
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sudo systemctl disable autohotspot
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fi
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if [ -s /etc/dhcpcd.conf ]
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then
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TFILE="$(mktemp)"
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grep -v "^nohook wpa_supplicant" /etc/dhcpcd.conf > $TFILE
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sudo mv -f $TFILE /etc/dhcpcd.conf
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fi
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# Remove cronjob if present
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crontab -u $USER -l | grep -v "autohotspotN" | crontab -u $USER -
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# Set radio names to default
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rm -f $HOME/radionames.conf
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D="/usr/local/share/applications"
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for F in `ls $D/*-left.template 2>/dev/null` `ls $D/*-right.template 2>/dev/null`
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do
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sudo sed -e "s/_LEFT_RADIO_/Left Radio/" -e "s/_RIGHT_RADIO_/Right Radio/g" $F > ${F%.*}.desktop
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done
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# Expand the filesystem if it is < 8 GB
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echo "Expand filesystem if needed" >> "$INIT_DONE_FILE"
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PARTSIZE=$( df | sed -n '/root/{s/ */ /gp}' | cut -d ' ' -f2 )
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THRESHOLD=$((8 * 1024 * 1024))
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(( $PARTSIZE < $THRESHOLD )) && sudo raspi-config --expand-rootfs >> "$INIT_DONE_FILE"
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echo "Raspberry Pi initialization complete" >> "$INIT_DONE_FILE"
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sudo shutdown -r now
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