#/bin/sh # Copyright 2022 - 2023, macmpi # SPDX-License-Identifier: MIT ## collection of few code snippets as sample unnatteded actions some may find usefull ## Obvious one; reminder: is run in the background echo hello world !! sleep 60 ######################################################## ## This snippet removes apkovl file on volume after initial boot ovlpath=$( find /media -maxdepth 2 -type d -path '*/.*' -prune -o -type f -name *.apkovl.tar.gz -exec dirname {} \; | head -1 ) # also works in case volume is mounted read-only grep -q "${ovlpath}.*[[:space:]]ro[[:space:],]" /proc/mounts; RO=$? [ "$RO" -eq "0" ] && mount -o remount,rw "${ovlpath}" rm "${ovlpath}"/*.apkovl.tar.gz [ "$RO" -eq "0" ] && mount -o remount,ro "${ovlpath}" ######################################################## ## This snippet configures Minimal diskless environment # note: with INTERFACESOPTS=none, no networking will be setup so it won't work after reboot! # Change it or run setup-interfaces in interractive mode afterwards (and lbu commit -d thenafter) logger -st ${0##*/} "Setting-up minimal environment" cat <<-EOF > /tmp/ANSWERFILE # base answer file for setup-alpine script # Do not set keyboard layout KEYMAPOPTS=none # Keep hostname HOSTNAMEOPTS="$(hostname)" # Set device manager to mdev DEVDOPTS=mdev # Contents of /etc/network/interfaces INTERFACESOPTS=none # Set Public nameserver DNSOPTS="-n 208.67.222.222" # Set timezone to UTC TIMEZONEOPTS="UTC" # set http/ftp proxy PROXYOPTS=none # Add first mirror (CDN) APKREPOSOPTS="-1" # Do not create any user USEROPTS=none # No Openssh SSHDOPTS=none # Use openntpd NTPOPTS="chrony" # No disk install (diskless) DISKOPTS=none # Setup storage for diskless (find boot directory in /media/xxxx/apk/.boot_repository) LBUOPTS="$( find /media -maxdepth 3 -type d -path '*/.*' -prune -o -type f -name '.boot_repository' -exec dirname {} \; | head -1 | xargs dirname )" APKCACHEOPTS="\$LBUOPTS/cache" EOF # trick setup-alpine to pretend existing SSH connection # and therefore keep (do not reset) network interfaces while running in background SSH_CONNECTION="FAKE" setup-alpine -ef /tmp/ANSWERFILE lbu commit -d ######################################################## logger -st ${0##*/} "Finished unattended script"