trap 'echo "$0:$LINENO:error: \"$BASH_COMMAND\" returned $?" >&2' ERR
[[ $EUID == 0 ]] || exec sudo -E "$BASH_SOURCE" "$@"
+
usage() {
echo "top of script file:"
sed -n '1,/^[# ]*end command line/{p;b};q' "$0"
# note q is owned by root:1000
# note p/m is owned 1000:1000 and chmod 700
-mountpoints=(/a)
-private_mountpoints=(/q)
+
+
+targets=()
+mountpoints=()
+
rsync_mountpoint=/q
conf_only=false
dry_run=false # mostly for testing
resume_arg=
-do_i=true
-if [[ $HOSTNAME == $MAIL_HOST ]]; then
- do_o=true
-else
- do_o=false
-fi
default_args_file=/etc/btrbk-run.conf
-if [[ -r $default_args_file ]]; then
+if [[ -s $default_args_file ]]; then
+ echo "$0: warning: options file default options set:"
+ cat $default_args_file
+ sleep 5
set -- $(< $default_args_file) "$@"
fi
-temp=$(getopt -l help hcinoprt: "$@") || usage 1
+temp=$(getopt -l help hcm:nprt: "$@") || usage 1
eval set -- "$temp"
while true; do
case $1 in
-c) conf_only=true; shift ;;
- -i) do_i=false; shift ;;
+ -m) IFS=, mountpoints=($2); unset IFS; shift 2 ;;
-n) dry_run=true; dry_run_arg=-n; shift ;;
- -o) do_o=false; shift ;;
-p) progress_arg="--progress"; shift ;;
# btrbk arg: Resume only. Skips snapshot creation.
-r) resume_arg=-r; shift ;;
esac
done
-if $do_o; then
- private_mountpoints+=(/o)
+echo "$0: options: conf_only=$conf_only, dry_run=$dry_run, resume_arg=$resume_arg"
+
+# set default targets
+if ! (( ${#targets[@]} )); then
+ case $HOSTNAME in
+ x2)
+ if [[ $HOSTNAME == "$MAIL_HOST" ]]; then
+ targets=($HOME_DOMAIN)
+ fi
+ ;;
+ treetowl)
+ targets=(frodo)
+ if [[ $HOSTNAME == "$MAIL_HOST" ]]; then
+ if timeout -s 9 10 ssh x2 :; then
+ targets+=(x2)
+ fi
+ fi
+ ;;
+ *)
+ echo "$0: error: no default targets for this host, use -t"
+ exit 1
+ ;;
+ esac
+fi
+
+echo "targets: ${targets[*]}"
+
+
+
+# set default mountpoints
+if ! (( ${#mountpoints[@]} )); then
+ prospective_mps=(/a /q)
+ if [[ $HOSTNAME == "$MAIL_HOST" ]]; then
+ prospective_mps+=(/o)
+ fi
+ for tg in ${targets[@]}; do
+ if [[ $tg == frodo && $HOSTNAME == treetowl ]]; then
+ prospective_mps+=(/i)
+ fi
+ done
+ for mp in ${prospective_mps[@]}; do # default mountpoints to sync
+ if awk '{print $2}' /etc/fstab | grep -xF $mp &>/dev/null; then
+ mountpoints+=($mp)
+ fi
+ done
fi
-read primary <<<"$@" # not yet used
+
+echo "mountpoints: ${mountpoints[*]}"
##### end command line parsing ########
# btrbk -l debug -v dryrun
EOF
-for mp in ${private_mountpoints[@]}; do # private mountpoints
- if awk '{print $2}' /etc/fstab | grep -xF $mp &>/dev/null; then
- mountpoints+=($mp)
- fi
-done
# if our mountpoints are from stale snapshots,
# it doesn't make sense to do a backup.
check-subvol-stale ${mountpoints[@]} || exit 1
-if [[ ! $targets ]]; then
- case $HOSTNAME in
- tp|x2)
- if ! timeout -s 9 10 ssh frodo :; then
- targets=($HOME_DOMAIN)
- fi
- ;;
- treetowl)
- targets=(frodo)
- if timeout -s 9 10 ssh x2 :; then
- targets+=(x2)
- fi
- ;;
- *)
- targets=(frodo)
- ;;
- esac
-fi
-
-
-echo "targets: ${targets[*]}"
-
-
-# for i, we just do a 1 way sync from master to backup,
-# and manually manage any changes to that.
-i_possible=false
for tg in ${targets[@]}; do
# for an initial run, btrbk requires the dir to exist
ssh root@$tg mkdir -p /mnt/root/btrbk
- if [[ $tg == frodo && $HOSTNAME == treetowl ]]; then
- i_possible=true
- fi
done
-if ! $i_possible; then
- do_i=false
-fi
-vol=/mnt/root
-vol-conf
for m in ${mountpoints[@]}; do
- sub=${m##*/}
- sub-conf
- for tg in ${targets[@]}; do
+ # for /i, some special cases. there is just one static target and direction.
+ if [[ $m == /i ]]; then
+ vol=/mnt/iroot
+ vol-conf
+ sub=i
+ sub-conf
+ tg=frodo
+ vol=/mnt/root
tg-conf
- done
+ else
+ vol=/mnt/root
+ vol-conf
+ sub=${m##*/}
+ sub-conf
+ for tg in ${targets[@]}; do
+ tg-conf
+ done
+ fi
done
-if $do_i; then
- vol=/mnt/iroot
- vol-conf
- sub=i
- sub-conf
- tg=frodo
- vol=/mnt/root
- tg-conf
-fi
-
-
# todo: umount first to ensure we don't have any errors
# todo: do some kill fuser stuff to make umount more reliable
-# todo: run this on a systemd timer on $primary, once per hour,
-# and if primary is, change that timer over to primary, and make
-# sure we mount the latest
-
if $conf_only; then
ret=1
continue
fi
- stale=true
+
# check that $d has $last_snap as a snapshot,
# or else $d is a snapshot of $last_snap. In the second
# case, we use a uuid comparison, which if I remember from the
grep -xF btrbk/$last_snap &>/dev/null; then
stale=false
else
- last_uuid=$(btrfs sub show $last_snap| awk '$1 == "UUID:" {print $2}')
- if btrfs sub show $d| grep "^\s*Parent UUID:\s*$last_uuid$" &>/dev/null; then
+ last_snap_uuid=$(btrfs sub show $last_snap| awk '$1 == "UUID:" {print $2}')
+ if btrfs sub show $d| grep "^\s*Parent UUID:\s*$last_snap_uuid$" &>/dev/null; then
stale=false
fi
fi
+
+ # check if $d is a snapshot of any of the btrbk backups
+ if [[ ! $stale ]]; then
+ for f in ${snaps[@]}; do
+ if [[ $f == $last_snap ]]; then continue; fi
+ uuid=$(btrfs sub show $f| awk '$1 == "UUID:" {print $2}')
+ if btrfs sub show $d| grep "^\s*Parent UUID:\s*$uuid$" &>/dev/null; then
+ stale=true
+ echo "$d stale: it's a snapshot of $f"
+ break
+ fi
+ done
+ fi
+ # check if $d generation is later than last_snap
+ if [[ ! $stale ]]; then
+ last_snap_gen=$(btrfs sub show $last_snap| awk '$1 == "Generation:" {print $2}')
+ d_gen=$(btrfs sub show $d| awk '$1 == "Generation:" {print $2}')
+ if (( last_snap_gen < d_gen )); then
+ stale=false
+ else
+ echo "$d stale: it's generation, $d_gen, is earlier than the last snapshot's, $last_snap_gen"
+ stale=true
+ fi
+ fi
+
+
stale_dir=/nocow/btrfs-stale
stale_file=$stale_dir/$vol
if $stale; then
mkdir -p $stale_dir
printf "%s\n" $last_snap > $stale_file
- echo "$d stale"
ret=1
continue
else
--- /dev/null
+#!/bin/bash
+
+if ! pgrep -u $EUID emacs; then
+ emacs --daemon &
+fi
+pidgin &
+linphone &
+if ! pgrep -u $EUID -f "firefox -P sfw"; then
+ firefox -P sfw &
+fi
+nagstamon &
s lnf -T /a/bin /b
+s lnf -T /nocow/t /t
if has_p; then
lnf -T /p/News ~/News
fdupes
feh
filelight
+ flashrom
gawk-doc
gcc-doc
gdb
nginx-doc
nmap
offlineimap
+ oathtool
p7zip
paprefs
parted-doc
python-autopep8
python3-doc
python3-mutagen
+ qrencode
reportbug
$(aptitude show ruby | sed -rn 's/Depends: (.*)/\1/p')-doc
sqlite3-doc
############# end setup mastodon ##############
+ # we use nsupdate to update the ip of home
pi bind9
echo "$0: $(date): ending now)"
# path: k/music. Then copied the file
# /p/c/subdir_files/.kodi/userdata/sources.xml to save that setting.
s a2enmod dav dav_fs
- web-conf -r /a/c/playlists - apache2 dav.iank.pw <<'EOF'
+ web-conf -r /a/c/playlists - apache2 dav.$HOME_DOMAIN <<'EOF'
<Directory /a/c/playlists>
DAV On
AuthType Basic
EOF
s mkdir -p /var/www/davlock
s chown www-data:www-data /var/www/davlock
- s sed -i "1i DavLockDB /var/www/davlock/davlock" /etc/apache2/sites-enabled/dav.iank.pw.conf
+ s sed -i "1i DavLockDB /var/www/davlock/davlock" /etc/apache2/sites-enabled/dav.$HOME_DOMAIN.conf
ser reload apache2
teeu /etc/exports "/k/music *(ro,nohide,async,no_subtree_check,insecure)"
trap 'echo "$0:$LINENO:error: \"$BASH_COMMAND\" returned $?" >&2' ERR
-cur="$(host -4 iank.pw iankelling.org | sed -rn 's/.*has address (.*)/\1/p;T;q')"
+cur="$(host -4 iank.life iankelling.org | sed -rn 's/.*has address (.*)/\1/p;T;q')"
ip=$(curl -s4 https://iankelling.org/cgi/pubip)
# note, a simpler way to do this would be to ssh and use
# to update bind if needed.
if [[ $cur != $ip ]]; then
- nsupdate -k /p/c/machine_specific/li/filesystem/etc/bind/Kiank.pw.*.private <<EOF
+ nsupdate -k /p/c/machine_specific/li/filesystem/etc/bind/Kiank.life.*.private <<EOF
server iankelling.org
-zone iank.pw
-update delete iank.pw. A
-update add iank.pw. 300 A $ip
-update delete *.iank.pw. A
-update add *.iank.pw. 300 A $ip
+zone iank.life
+update delete iank.life. A
+update add iank.life. 300 A $ip
+update delete *.iank.life. A
+update add *.iank.life. 300 A $ip
show
send
EOF
fi
# persistent initial setup for this:
-# mkc /p/c/machine_specific/li/filesystem/etc/bind
-# s dnssec-keygen -a HMAC-MD5 -b 512 -n HOST iank.pw
-# s chown ian:ian *
-
-# f=key.iank.pw
-# cat >$f <<EOF
-# key iank.pw. {
-# algorithm HMAC-MD5;
-# secret "$(awk '$1 == "Key:" {print $2}' Kiank.pw.*.private)";
-# };
-# EOF
-# chmod 640 $f
+#mkc /p/c/machine_specific/li/filesystem/etc/bind
+#s dnssec-keygen -a HMAC-MD5 -b 512 -n HOST iank.life
+#s chown ian:ian *
+
+f=key.iank.life
+cat >$f <<EOF
+key iank.life. {
+algorithm HMAC-MD5;
+secret "$(awk '$1 == "Key:" {print $2}' Kiank.life.*.private)";
+};
+EOF
+
+chmod 640 $f
--- /dev/null
+#!/bin/bash
+offlineimap -a fsf
+sieve-filter -eW -o mail_location=maildir:/nocow/user/fsfmd:LAYOUT=fs:INBOX=/nocow/user/fsfmd/INBOX /a/c/fsf.sieve INBOX &>/tmp/fsfsieve.log
#!/bin/bash -l
+set -x
# Copyright (C) 2016 Ian Kelling
# Licensed under the Apache License, Version 2.0 (the "License");
# See the License for the specific language governing permissions and
# limitations under the License.
+# set to oppsite if the order is flipped.
+k2flip=falsesf-
+if $k2flip; then
+k2inorder=false
+else
+ k2inorder=true
+ fi
+
case $HOSTNAME in
x2|tp) type=laptop ;;
treetowl*|iank-dev|frodo) type=kinesis ;;
mi "$1"
}
set_device_id() {
- if device_id=$(xinput --list | grep -m 1 "$1"); then
+ if [[ $2 ]] && $2; then
+ cmd="tail -n1"
+ else
+ cmd="head -n1"
+ fi
+ if device_id=$(xinput --list | grep "$1" | $cmd); then
device_id=${device_id##*id=}
device_id=${device_id%%[[:space:]]*}
+ echo "2:$2 device_id=$device_id"
else
return 1
fi
xset r rate 200 13 # decrease rate delay
cd / # so xbindkeys does not hold open mountpoints
+ killall xbindkeys # having some lag, thinking this might help.
xbindkeys # configured to grab left and right scroll button presses
fi
-
+ kinesis2=false
#right scroll wheel, change from button 4 & 5 to 13 and 14.
# also changes the middle click to 12, even though I'm not using it anymore
if set_device_id "04d9:048e"; then
xinput --set-button-map "$device_id" 1 12 3 13 14 6 7
+ else
+ kinesis2=true # if we are using the 2nd kinesis which has different device ids
fi
+ if $kinesis2 && set_device_id "USB OPTICAL MOUSE" $k2flip; then
+ xinput --set-button-map "$device_id" 1 12 3 14 13 6 7
+ fi
+
+
ms 'Kensington Kensington Slimblade Trackball' 100 4000/1 7 6.5 1.5
xinput --set-button-map 'Kensington Kensington Slimblade Trackball' 0 0 0 4 5 6 7 0 9 10 11 12
fi
- # disable the mouse movements of my mouse-wheel only mouse
- if set_device_id "USB Optical Mouse"; then
- xinput --set-prop "$device_id" 'Device Accel Constant Deceleration' 10000
- # 12 is to effectively disable the middle click button
- xinput --set-button-map "$device_id" 1 12 3 10 11 6 7
+ # disable the mouse movements mouse wheel
+ if $kinesis2; then
+ if set_device_id "USB OPTICAL MOUSE" $k2inorder; then
+ xinput --set-prop "$device_id" 'Device Accel Constant Deceleration' 10000
+ # 12 is to effectively disable the middle click button
+ xinput --set-button-map "$device_id" 1 12 3 11 10 6 7
+ fi
+ else
+ if set_device_id "USB Optical Mouse"; then
+ xinput --set-prop "$device_id" 'Device Accel Constant Deceleration' 10000
+ # 12 is to effectively disable the middle click button
+ xinput --set-button-map "$device_id" 1 12 3 10 11 6 7
+ fi
fi
+
. /a/bin/bash_unpublished/duplicity-gpg-agent-setup
;;
esac
# sieve option, we wouldn\'t need this, but I\'d rather not modify a
# default config if not needed. This won\'t work as a symlink in /a/c
# unfortunately.
- sudo -u $postmaster /a/exe/lnf -T sieve/main.sieve ~$postmaster/.dovecot.sieve
+ sudo -u $postmaster /a/exe/lnf -T sieve/main.sieve $(eval echo ~$postmaster)/.dovecot.sieve
sed -ri -f - /etc/dovecot/conf.d/10-mail.conf <<'EOF'
1i mail_location = maildir:/m/md:LAYOUT=fs:INBOX=/m/md/INBOX
systemctl restart $type
systemctl enable $type
+# MAIL_HOST also does radicale, and easier to start and stop it here
+# for when MAIL_HOST changes, so radicale gets the synced files and
+# does not stop us from remounting /o.
+if dpkg -s radicale &>/dev/null; then
+ if [[ $HOSTNAME == $MAIL_HOST ]]; then
+ systemctl restart radicale
+ systemctl enable radicale
+ else
+ systemctl stop radicale
+ systemctl disable radicale
+ fi
+fi
# if I wanted the from address to be renamed and sent to a different address,
# echo "sdx@localhost development@localhost" | sudo dd of=/etc/postfix/recipient_canonical
--- /dev/null
+#!/bin/bash -l
+set -eE -o pipefail
+trap 'echo "$0:$LINENO:error: \"$BASH_COMMAND\" returned $?" >&2' ERR
+# cd /k/music
+# find -type f -name '*.flac' | while read -r f; do
+# mkdir -p "../flacs/$(dirname "$f")"
+# mv -T "$f" ../flacs/"$f"
+# done
+
+
+
+# todo, add settings from /etc/default/nfs-{common,kernel-server}
+# todo: do mysql setup. kodi install. mysql backup.
+
+# in kodi, music, add files, named source, add network share,
+# server address: iank.life
+# path: k/music
+
+
+
+rm -f /a/tmp/y.sql
+
+cd /k/music
+find -type f \( -name '*.flac' -or -name '*.mp3' -or -name '*.m4a' \) | while read -r f; do
+ rating=$(kid3-cli -c "get RATING" "$f")
+ if [[ ! $rating ]]; then
+ echo $f
+ continue
+ fi
+ rating=$((rating*2))
+
+ ## begin sql escaping
+ f="${f//\"/\\\"}"
+ f="${f//\'/\\\'}"
+ f="${f//_/\\_}"
+ f="${f//%/\\%}"
+ ## end sql escaping
+ d=${f%/*}
+ d=${d#./}/ # use exact dir format that is in database
+ cat >>/a/tmp/y.sql <<EOF
+update song
+inner join path on song.idPath = path.idPath
+set song.userrating = $rating
+where song.strFileName = '${f##*/}' and path.strPath = 'nfs://iank.life/k/music/$d';
+EOF
+done
# which did not have the whole p subvol.
gen_args=()
-do_snapshot=true
+do_snapshot=false
batch=false
while [[ $1 ]]; do
case $1 in
-ob) gen_args+=(--ours -b); batch=true; shift ;;
-b) gen_args+=(-b); batch=true; shift ;;
- -n) do_snapshot=false; shift ;;
+ -n) do_snapshot=true; shift ;;
-h|--help)
echo "$0: help is head of $BASH_SOURCE:"
head -n 30 "$BASH_SOURCE"
offlineimap -u quiet
shopt -s nullglob
-omv() { # offlineimap mv
+omv() { # offlineimap mv. move mail files within $src_base/$1 to /m/md/$2
src="$1"
dst="$2"
found_files=false
omv offlineimaptmp INBOX
# remove messages from remote host
offlineimap -u quiet
- mu index &>/dev/null ||:
+ # this makes us sit and wait when we want to use mu and this is running in a cronjob.
+ # todo: emacs updates the index much faster. what command is it running? I'd like
+ # to just run that
+ # looks like it might be mu index --lazy-check, but that still takes like 10 seconds,
+ # figure out if that is the same speed, or if we can make it faster.
+ #mu index &>/dev/null ||:
fi
# http://radicale.org/user_documentation/
# https://davdroid.bitfire.at/configuration/
+# note on debugging: if radicale can't bind to the address,
+# in the log it just says "Starting Radicale". If you run
+# it in the foreground, it will give more info. Background
+# plus debug does not help.
+# sudo -u radicale radicale -D -f
# created password file with:
# htpasswd -c /etc/davpass dav
+d=/etc/systemd/system/radicale.service.d
+mkdir -p $d
+sudo dd of=$d/override.conf <<'EOF'
+[Unit]
+# this unit is configured to start and stop whenever openvpn-client@mail.service
+# does
+After=network.target
+BindsTo=openvpn-client@mail.service
+After=openvpn-client@mail.service
+
+[Install]
+RequiredBy=openvpn-client@mail.service
+EOF
pi radicale
# comments say default is 0.0.0.0:5232
setini hosts 10.8.0.4:5232 server
-sgo radicale
-# davdroid from f-droid.
+if [[ $HOSTNAME == $MAIL_HOST ]]; then
+ sgo radicale
+fi
+
+# disable power management feature, set to 240 min sync interval,
+# so it shouldn't be bad.
+
+# davdroid from f-druid.
# login with url and user name
# username ian,
# url https://cal.iankelling.org
# username ian
# pass, see password manager
-# I disabled power management feature, it's got 240 min sync interval,
-# so it shouldn't be bad.
#
-
-# when setting up davdroid, switch to groups are per-contact categories,
-# per https://davdroid.bitfire.at/configuration/radicale/
+# add account dialog:
#
# set account name as ian@iankelling.org, per help text below the
# field.
#
+# switch to groups are per-contact categories,
+# per https://davdroid.bitfire.at/configuration/radicale/
+#
+#
# After setting up account, I added one address book, named
-# ian. calender was already created, named ian. checked boxes under
+# ianaddr. calender was already created, named ian. checked boxes under
# both. synced.
#
+# To restore from old phone to new phone, I wiped all data out, then copied over the newly created files. I think
+#
# ignorable background info:
#
-# When debugging, tailed /var/log/radicale/radicale.log and nginx log,
+# opentasks uses the calendar file.
+#
+# The address book I created got a uuid as a name for the file. Note
+# the .props file says if it's a calendar or addressbook.
+#
+# When debugging, tailed /var/log/radicale/radicale.log and apache log,
# both show the requests happening. Without creating the address book,
# after creating a contact, a sync would delete it.
#
--- /dev/null
+#!/bin/bash
+p="$(lsof -i tcp:31416 -Fp -a -c java | sed -rn 's/^p//p')"
+if [[ $p ]]; then
+ kill $p
+fi
+cd /a/opt/gnirehtet
+./gnirehtet rt &>/tmp/rt &
+# note, to kill it, you need to also kill
+# lsof -i tcp:31416
+# and maybe unplug adb cable
+# note, ping results in log message: dropping invalid packet
+
+tail -F /tmp/rt ||:
--- /dev/null
+#!/bin/bash
+set -x
+set -eE -o pipefail
+trap 'echo "$0:$LINENO:error: \"$BASH_COMMAND\" returned $?" >&2' ERR
+
+usage() {
+ cat <<EOF
+Usage: ${0##*/} OLD_HOST NEW_HOST
+
+Adjust home network dns so NEW_HOST resolves locally if it is on the
+local network. Turn off mail receiving on OLD_HOST, run btrbk to move
+mail to NEW_HOST, turn on mail receiving on NEW_HOST.
+
+
+-h|--help Print help and exit.
+
+Note: Uses GNU getopt options parsing style
+EOF
+ exit $1
+}
+
+##### begin command line parsing ########
+
+if (( $# != 2 )) || [[ $1 == -* || $2 == -* ]]; then
+ usage 1
+fi
+
+old_host=$1
+new_host=$2
+
+if [[ $old_host != $MAIL_HOST ]]; then
+ read -p "warning: \$old_host != \$MAIL_HOST: $old_host != $MAIL_HOST, proceed? y/N "
+ if [[ $REPLY != [yY] ]]; then
+ exit 1
+ fi
+fi
+
+if [[ $new_host == "$HOSTNAME" ]]; then
+ localhost_new=true
+ ssh_prefix=ssh
+else
+ localhost_new=false
+ ssh_prefix=
+fi
+if [[ ! $new_host || ! $old_host ]]; then
+ echo "$0: bad args. see script"
+ exit 1
+fi
+
+at_home=false
+if timeout -s 9 10 ssh root@wrt.lan :; then
+ at_home=true
+fi
+
+source /a/bin/bash_unpublished/source-semi-priv
+#### begin convert private hostnames to public hostnames ####
+if ! $at_home; then
+ for var in old_host new_host; do
+ case ${!var} in
+ treetowl)
+ eval $var=$HOME_DOMAIN
+ ;;
+ esac
+ done
+fi
+#### end convert private hostnames to public hostnames ####
+
+
+# because our port forward is not robust enough, we can't use proxy command,
+# todo: just open an ssh port to the world on wrt
+if ! $at_home; then
+ ssh_cmd="ssh $HOME_DOMAIN ssh wrt"
+else
+ ssh_cmd="ssh wrt"
+fi
+# if new_host is not on home network, make mail.iankelling.org not resolve
+# on the home network.
+if [[ $new_host == $HOSTNAME ]] && ! $at_home; then
+ echo | $ssh_cmd cedit mail_host /etc/hosts
+else
+ $ssh_cmd bash -s <<EOFOUTER
+ cedit mail_host /etc/hosts <<'EOF' || /etc/init.d/dnsmasq restart
+\$(grep "\b$new_host\b" /etc/hosts | awk '{print $1}') mail.iankelling.org
+EOF
+EOFOUTER
+fi
+
+mail-setup() {
+ shell="$1"
+ $shell sed -ri "s/MAIL_HOST=.*/MAIL_HOST=$new_host/" /a/bin/bash_unpublished/source-semi-priv
+ $shell /a/bin/distro-setup/mail-setup exim4
+}
+
+mail-setup "ssh $old_host"
+
+sudo dd of=/etc/btrbk.conf <<'EOF'
+ssh_identity /root/.ssh/id_rsa
+# Just a guess that local7 is a good facility to pick.
+# It's a bit odd that the transaction log has to be logged to
+# a file or syslog, while other output is sent to std out.
+# The man does not mention a way for them to be together, but
+# I dunno if setting a log level like warn might also output
+# transaction info.
+transaction_syslog local7
+
+# so we only run one at a time
+lockfile /var/lock/btrbk.lock
+
+# default format of short does not accomidate hourly preservation setting
+timestamp_format long-iso
+
+# only make a snapshot if things have changed
+snapshot_create onchange
+# I could make this different from target_preserve,
+# if one disk had less space.
+# for now, keeping them equal.
+snapshot_preserve 36h 14d 8w 24m
+snapshot_preserve_min 4h
+snapshot_dir btrbk
+
+# so, total backups = ~89
+target_preserve 36h 14d 8w 24m
+target_preserve_min 4h
+
+# if something fails and it's not obvious, try doing
+# btrbk -l debug -v dryrun
+
+
+EOF
+
+
+if $localhost_new; then
+ btrbk_src=ssh://$old_host/mnt/root
+ btrbk_dst=/mnt/root/btrbk
+else
+ btrbk_src=/mnt/root
+ btrbk_dst=ssh://$old_host/mnt/root/btrbk
+fi
+
+sudo tee -a /etc/btrbk.conf <<EOF
+volume $btrbk_src
+subvolume o
+target send-receive $btrbk_dst
+EOF
+
+
+sudo btrbk --progress run
+$ssh_prefix $new_host mount-latest-subvol
+
+mail-setup
iankelling.org / git / distro-setup / commitdiff