X-Git-Url: https://iankelling.org/git/?a=blobdiff_plain;f=distro-end;h=0c6b463623c5f9a352be268363910b0a73a5d5bd;hb=77917a8fbf2032a8b2634a1b3de0879ec45cf213;hp=2e6b687a503385cdb9385c49085c8a4f15dce05c;hpb=6459d4698ef983f7b1540589b87013c76913393d;p=distro-setup

diff --git a/distro-end b/distro-end
index 2e6b687..0c6b463 100755
--- a/distro-end
+++ b/distro-end
@@ -1,48 +1,63 @@
-#!/bin/bash -l
-# Copyright (C) 2016 Ian Kelling
-
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-
-#     http://www.apache.org/licenses/LICENSE-2.0
-
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
+#!/bin/bash
+# Copyright (C) 2019 Ian Kelling
+# SPDX-License-Identifier: AGPL-3.0-or-later
+export BRC=t; if [[ -s ~/.bashrc ]];then . ~/.bashrc;fi
 
 ### setup
 source /a/bin/errhandle/err
 src="$(readlink -f -- "${BASH_SOURCE[0]}")"; src=${src%/*} # directory of this file
 
+if [[ $EUID == 0 ]]; then
+  echo "$0: error: run as regular user" >&2
+  exit 1
+fi
+
+err-cleanup() {
+  echo 1 >~/.local/distro-end
+}
+
 # shellcheck source=./pkgs
 source $src/pkgs
 
-set -x
-exec &> >(sudo tee -a /var/log/distro-end)
-echo "$0: $(date): starting now)"
+echo "$0: $(date) starting now)"
 # see example of usage to understand.
 end_msg() {
   local y
   IFS= read -r -d '' y  ||:
   end_msg_var+="$y"
 }
-die() {
-  printf "$0: %s\n" "$*" >&2; exit 1
+end() {
+  e "$end_msg_var"
+  echo 0 >~/.local/distro-end
+  if $pending_reboot; then
+    echo "$0: pending reboot and then finished. doing it now."
+    echo "exiting with status 0"
+    sudo reboot now
+  else
+    echo "$0: $(date): ending now)"
+    echo "exiting with status 0"
+  fi
+  exit 0
 }
-spa() { # simple package add
-  simple_packages+=($@)
+pre="${0##*/}:"
+sudo() {
+  printf "$pre %s\n"  "$*"
+  SUDOD="$PWD" command sudo "$@";
 }
+sd() {
+  sudo dd of="$1" 2>/dev/null
+}
+m() { printf "$pre %s\n"  "$*"; "$@"; }
+e() { printf "$pre %s\n"  "$*"; }
+err() { echo "[$(date +'%Y-%m-%d %H:%M:%S%z')]: $0: $*" >&2; }
 distro=$(distro-name)
 codename=$(debian-codename)
 codename_compat=$(debian-codename-compat)
 pending_reboot=false
 sed="sed --follow-symlinks"
-# template
-case $distro in
-esac
+## template:
+# case $distro in
+# esac
 
 #### initial packages
 pup
@@ -51,32 +66,21 @@ if isdeb; then
 fi
 
 # avoid prompts
-s debconf-set-selections <<EOF
+sudo debconf-set-selections <<EOF
 popularity-contest popularity-contest/participate boolean true
 EOF
 
-########### begin section including li ################
+########### begin section including linode ################
 pi ${p2[@]}
 
 
 conflink
 
-case $distro in
-  arch) sgo cronie ;;
-esac
-
-case $distro in
-  arch) sgo atd ;;
-  # not needed for deb, dependency of at.
-esac
-
-
-
 # no equivalent in other distros:
 if isdeb && pcheck apt-file; then
   # this condition is just a speed optimization
   pi apt-file
-  s apt-file update
+  sudo apt-file update
 fi
 
 
@@ -88,12 +92,12 @@ case $distro in
     # i'd rather disable the service than comment the init file
     # this says disabling the service, it will still get restarted
     # but this script doesn't do anything on restart, so it should be fine
-    s dd of=/var/run/motd.dynamic if=/dev/null
+    sudo truncate -s0 /var/run/motd.dynamic
     ;;
   trisquel|ubuntu)
     # this isn't a complete solution. It still shows me when updates are available,
     # but it's no big deal.
-    s t /etc/update-motd.d/10-help-text /etc/update-motd.d/00-header
+    sudo rm -fv /etc/update-motd.d/10-help-text /etc/update-motd.d/00-header
     ;;
 esac
 
@@ -101,28 +105,28 @@ esac
 
 
 ### begin certbot install ###
-if [[ $distro == debian ]]; then
+if [[ $distro == debian || $codename_compat == bionic ]]; then
   # note, need python-certbot-nginx for nginx, but it depends on nginx,
   # and I'm not installing nginx by default right now.
-  pi certbot python-certbot-apache
+  pi certbot python3-certbot-apache
 elif [[ $codename_compat == xenial ]]; then
   # not packaged in xenial or flidas
   pi software-properties-common
   l="deb http://ppa.launchpad.net/certbot/certbot/ubuntu xenial main"
   if ! grep -xFq "$l" /etc/apt/sources.list{,.d/*.list}; then
-    s add-apt-repository -y ppa:certbot/certbot ||:
-    p update
+    sudo add-apt-repository -y ppa:certbot/certbot ||:
+    m p update
   fi
   pi python-certbot-apache
 else
-  die "distro unknown for certbot"
+  err "distro unknown for certbot"
 fi
 # make a version of the certbot timer that emails me.
 x=/systemd/system/certbot
-$sed -r -f - /lib$x.timer <<'EOF' |s dd of=/etc${x}mail.timer
+$sed -r -f - /lib$x.timer <<'EOF' |sd /etc${x}mail.timer
 s,^Description.*,\0 mail version,
 EOF
-$sed -r -f - /lib$x.service <<'EOF' |s dd of=/etc${x}mail.service
+$sed -r -f - /lib$x.service <<'EOF' |sd /etc${x}mail.service
 s,(ExecStart=)(/usr/bin/certbot),\1/a/bin/log-quiet/sysd-mail-once certbotmail \2 --renew-hook /a/bin/distro-setup/certbot-renew-hook,
 EOF
 ser daemon-reload
@@ -159,159 +163,13 @@ sgo certbotmail.timer
 # EOF
 # fi
 
-# website setup
-case $HOSTNAME in
-  li)
-
-    pi bind9
-
-
-    case $HOSTNAME in
-      li) domain=iankelling.org ;;
-    esac
-    /a/h/setup.sh $domain
-    /a/h/build.rb
-
-    # start mumble only when im going to use it, since i dont use it much
-    pi-nostart mumble-server
-    s $sed -ri "s/^ *(serverpassword=).*/\1$(< /a/bin/bash_unpublished/mumble_pass)/" /etc/mumble-server.ini
-
-    # do certificate to avoid warning about unsigned cert,
-    # which is overkill for my use, but hey, I'm cool, I know
-    # how to do this.
-    web-conf apache2 mumble.iankelling.org
-    s rm -f /etc/apache2/sites-enabled/mumble.iankelling.org
-    sudo -i <<'EOF'
-export RENEWED_LINEAGE=/etc/letsencrypt/live/mumble.iankelling.org
-/a/bin/distro-setup/certbot-renew-hook
-EOF
-
-
-    vpn-server-setup -rd
-    s tee /etc/openvpn/client-config/mail <<'EOF'
-ifconfig-push 10.8.0.4 255.255.255.0
-EOF
-
-    if [[ -e /lib/systemd/system/openvpn-server@.service ]]; then
-      vpn_service=openvpn-server@server
-    else
-      vpn_service=openvpn@server
-    fi
-
-    sudo dd of=/etc/systemd/system/vpnmail.service <<EOF
-[Unit]
-Description=Turns on iptables mail nat
-
-[Service]
-Type=oneshot
-RemainAfterExit=yes
-ExecStart=/a/bin/distro-setup/vpn-mail-forward start
-ExecStop=/a/bin/distro-setup/vpn-mail-forward stop
-
-[Install]
-WantedBy=$vpn_service.service
-EOF
-    ser daemon-reload
-    sgo vpnmail.service
-    # needed for li's local mail delivery.
-    tu /etc/hosts <<<"10.8.0.4 mail.iankelling.org"
-    sgo $vpn_service
-    # setup let's encrypt cert
-    web-conf apache2 mail.iankelling.org
-    s rm /etc/apache2/sites-enabled/mail.iankelling.org{,-redir}.conf
-    ser reload apache2
-
-    domain=cal.iankelling.org
-    web-conf -f 10.8.0.4:5232 - apache2 $domain <<'EOF'
-#https://httpd.apache.org/docs/2.4/mod/mod_authn_core.html#authtype
-# https://stackoverflow.com/questions/5011102/apache-reverse-proxy-with-basic-authentication
-<Location />
-   Options +FollowSymLinks +Multiviews +Indexes
-   AllowOverride None
-   AuthType basic
-   AuthName "Authentication Required"
-   # setup one time, with root:www-data, 640
-   AuthUserFile "/etc/caldav-htpasswd"
-   Require valid-user
-</Location>
-EOF
-    # nginx version of above would be:
-    # auth_basic "Not currently available";
-    # auth_basic_user_file /etc/nginx/caldav/htpasswd;
-
-
-
-    ###### begin znc setup #####
-    pi znc
-
-    # https://wiki.znc.in/FAQ seems to imply that znc doesn\'t need restart after cert change.
-    # to get into the web interface,
-    # then use non-main browser or else it doebsn't allow it based on ocsp stapling from my main site.
-    # https://iankelling.org:12533/
-    sudo -i <<'EOF'
-export RENEWED_LINEAGE=/etc/letsencrypt/live/iankelling.org
-/a/bin/distro-setup/certbot-renew-hook
-EOF
-
-    # znc config generated by doing
-    # znc --makeconf
-    # selected port is also used in erc config
-    # comma separated channel list worked.
-    # while figuring things out, running znc -D for debug in foreground.
-    # to exit and save config:
-    # /msg *status shutdown
-    # configed auth on freenode by following
-    # https://wiki.znc.in/Sasl:
-    # /msg *sasl RequireAuth yes
-    # /msg *sasl Mechanism PLAIN
-    # /msg *sasl Set ident_name password
-    # created the system service after, and had to do
-    # mv /home/iank/.znc/* /var/lib/znc
-    # sed -i 's,/home/iank/.znc/,/var/lib/znc,' /var/lib/znc/config/znc.conf
-    # and made a copy of the config files into /p/c
-    # /msg *status LoadMod --type=global log -sanitize
-    # todo: in config file AllowWeb = true should be false. better security if that is off unless we need it.
-    # /msg *status LoadMod --type=network perform
-    # /msg *perform add PRIVMSG ChanServ :invite #fsf-office
-    # /msg *perform add JOIN #fsf-office
-    #
-    # i set  Buffer = 500
-    # also ran /znc LoadMod clearbufferonmsg
-    # it would be nice if erc supported erc query buffers by doing
-    # /msg *status clearbuffer <name of the query/receiver
-    # on killing the,
-    # an example seems to be here:	https://github.com/zenspider/elisp/blob/master/rwd-irc.el
-    # if that was the case i could remove the module clearbufferonmsg
-    # also would be nice if erc supported
-    # https://wiki.znc.in/self-message
-    # https://wiki.znc.in/Query_buffers                                                \
-      #
-    s useradd --create-home -d /var/lib/znc --system --shell /sbin/nologin --comment "Account to run ZNC daemon" --user-group znc || [[ $? == 9 ]] # 9 if it exists already
-    s chmod 700 /var/lib/znc
-    s chown -R znc:znc /var/lib/znc
-    s dd of=/etc/systemd/system/znc.service 2>/dev/null <<'EOF'
-[Unit]
-Description=ZNC, an advanced IRC bouncer
-After=network-online.target
-
-[Service]
-ExecStart=/usr/bin/znc -f --datadir=/var/lib/znc
-User=znc
-
-[Install]
-WantedBy=multi-user.target
-EOF
-    ser daemon-reload
-    sgo znc
-    ###### stop znc setup #####
-
 
-    ######### begin flidas pinned packages ######
-    case $(debian-codename) in
-      # needed for debootstrap scripts for fai since fai requires debian
-      flidas)
-        curl http://archive.ubuntu.com/ubuntu/project/ubuntu-archive-keyring.gpg | s apt-key add -
-        s dd of=/etc/apt/preferences.d/flidas-xenial <<EOF
+######### begin flidas pinned packages ######
+case $(debian-codename) in
+  # needed for debootstrap scripts for fai since fai requires debian
+  flidas)
+    curl http://archive.ubuntu.com/ubuntu/project/ubuntu-archive-keyring.gpg | s apt-key add -
+    sd /etc/apt/preferences.d/flidas-xenial <<EOF
 Package: *
 Pin: release a=xenial
 Pin-Priority: -100
@@ -323,15 +181,20 @@ Pin-Priority: -100
 Package: *
 Pin: release a=xenial-security
 Pin-Priority: -100
+
+Package: firefox
+Pin: release n=xenial
+Pin-Priority: 500
 EOF
-        s dd of=/etc/apt/sources.list.d/xenial.list 2>/dev/null <<EOF
+    sd /etc/apt/sources.list.d/xenial.list 2>/dev/null <<EOF
 deb http://us.archive.ubuntu.com/ubuntu/ xenial main
 deb http://us.archive.ubuntu.com/ubuntu/ xenial-updates main
 deb http://us.archive.ubuntu.com/ubuntu/ xenial-security main
 EOF
 
-        s apt-key adv --keyserver keyserver.ubuntu.com --recv-keys 3B4FE6ACC0B21F32
-        s dd of=/etc/apt/preferences.d/flidas-bionic <<EOF
+    if ! apt-key list | grep /C0B21F32 &>/dev/null; then
+      sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys 3B4FE6ACC0B21F32
+      sd /etc/apt/preferences.d/flidas-bionic <<EOF
 Package: *
 Pin: release a=bionic
 Pin-Priority: -100
@@ -344,10 +207,11 @@ Package: *
 Pin: release a=bionic-security
 Pin-Priority: -100
 EOF
+    fi
 
-        # better to run btrfs-progs which matches our kernel version
-        # (note, renamed from btrfs-tools)
-        s dd of=/etc/apt/preferences.d/btrfs-progs <<EOF
+    # better to run btrfs-progs which matches our kernel version
+    # (note, renamed from btrfs-tools)
+    sd /etc/apt/preferences.d/btrfs-progs <<EOF
 Package: btrfs-progs libzstd1
 Pin: release a=bionic
 Pin-Priority: 1005
@@ -362,30 +226,32 @@ Pin-Priority: 1005
 EOF
 
 
-        t=$(mktemp)
-        cat >$t <<EOF
+    t=$(mktemp)
+    cat >$t <<EOF
 deb http://us.archive.ubuntu.com/ubuntu/ bionic main
 deb http://us.archive.ubuntu.com/ubuntu/ bionic-updates main
 deb http://us.archive.ubuntu.com/ubuntu/ bionic-security main
 EOF
-        f=/etc/apt/sources.list.d/bionic.list
-        if ! diff -q $t $f; then
-          s cp $t $f
-          s chmod 644 $f
-          p update
-        fi
-
-        # no special reason, but its better for btrfs-progs to
-        # be closer to our kernel version
-        pi btrfs-progs
-
-        t=$(mktemp -d)
-        cd $t
-        aptitude download debootstrap/xenial
-        ex ./*
-        s cp ./usr/share/debootstrap/scripts/* /usr/share/debootstrap/scripts
-
-        s dd of=/etc/apt/preferences.d/flidas-etiona <<EOF
+    f=/etc/apt/sources.list.d/bionic.list
+    if ! diff -q $t $f; then
+      sudo cp $t $f
+      sudo chmod 644 $f
+      m p update
+    fi
+
+    # no special reason, but its better for btrfs-progs to
+    # be closer to our kernel version
+    pi btrfs-progs
+
+    if [[ ! -e /usr/share/debootstrap/scripts/xenial ]]; then
+      t=$(mktemp -d)
+      cd $t
+      m aptitude download debootstrap/xenial
+      m ex ./*
+      sudo cp ./usr/share/debootstrap/scripts/* /usr/share/debootstrap/scripts
+    fi
+
+    sd /etc/apt/preferences.d/flidas-etiona <<EOF
 Package: *
 Pin: release a=etiona
 Pin-Priority: -100
@@ -403,85 +269,121 @@ Pin: release a=etiona-backports
 Pin-Priority: -100
 EOF
 
-        t=$(mktemp)
-        cat >$t <<EOF
+    t=$(mktemp)
+    cat >$t <<EOF
 deb http://mirror.fsf.org/trisquel/ etiona main
 deb http://mirror.fsf.org/trisquel/ etiona-updates main
 deb http://archive.trisquel.info/trisquel/ etiona-security main
 deb http://mirror.fsf.org/trisquel/ etiona-backports main
 EOF
-        f=/etc/apt/sources.list.d/etiona.list
-        if ! diff -q $t $f; then
-          s cp $t $f
-          s chmod 644 $f
-          p update
-        fi
-
-        s dd of=/etc/apt/preferences.d/debian-goodies <<EOF
+    f=/etc/apt/sources.list.d/etiona.list
+    if ! diff -q $t $f; then
+      sudo cp $t $f
+      n s chmod 644 $f
+      m p update
+    fi
+
+    sd /etc/apt/preferences.d/debian-goodies <<EOF
 Package: debian-goodies
-Pin: release n=buster
+Pin: release n=etiona
 Pin-Priority: 1005
 EOF
 
 
-        s dd of=/etc/apt/preferences.d/flidas-buster <<EOF
+    sd /etc/apt/preferences.d/flidas-buster <<EOF
 Package: *
 Pin: release n=buster
 Pin-Priority: -100
-EOF
 
-        # stupid buster uses some key algorithm not supported by flidas gpg that apt uses.
-        s dd of=/etc/apt/apt.conf.d/01iank <<'EOF'
-Acquire::AllowInsecureRepositories "true";
+Package: *
+Pin: release n=buster-updates
+Pin-Priority: -100
 EOF
 
-        t=$(mktemp)
-        cat >$t <<EOF
-deb http://http.us.debian.org/debian buster main
-deb-src http://http.us.debian.org/debian buster main
+    # dont use buster because it causes dist-upgrade to think its downgrading
+    # packages while really just reinstalling the same version.
+    f=/etc/apt/apt.conf.d/01iank
+    sudo rm -fv $f
+    #         # stupid buster uses some key algorithm not supported by flidas gpg that apt uses.
+    #         sd /etc/apt/apt.conf.d/01iank <<'EOF'
+    # Acquire::AllowInsecureRepositories "true";
+    # EOF
+
+    f=/etc/apt/sources.list.d/buster.list
+    sudo rm -fv $f
+    #         t=$(mktemp)
+    #         cat >$t <<EOF
+    # deb http://http.us.debian.org/debian buster main
+    # deb-src http://http.us.debian.org/debian buster main
+
+    # deb http://security.debian.org/ buster/updates main
+    # deb-src http://security.debian.org/ buster/updates main
+
+    # deb http://http.us.debian.org/debian buster-updates main
+    # deb-src http://http.us.debian.org/debian buster-updates main
+    # EOF
+    #         if ! diff -q $t $f; then
+    #           s cp $t $f
+    #           s chmod 644 $f
+    #           p update
+    #         fi
+
+    # newer version needed for false positive in checkrestart.
+    # I did buster at first, but other problem above with having
+    # buster repos. not sure if the false positive exists in etiona.
+    pi debian-goodies
+
+    sd /etc/apt/preferences.d/shellcheck <<EOF
+Package: shellcheck
+Pin: release a=etiona
+Pin-Priority: 1005
 
-deb http://security.debian.org/ buster/updates main
-deb-src http://security.debian.org/ buster/updates main
+Package: shellcheck
+Pin: release a=etiona-updates
+Pin-Priority: 1005
 
-deb http://http.us.debian.org/debian buster-updates main
-deb-src http://http.us.debian.org/debian buster-updates main
+Package: shellcheck
+Pin: release a=etiona-security
+Pin-Priority: 1005
 EOF
-        f=/etc/apt/sources.list.d/buster.list
-        if ! diff -q $t $f; then
-          s cp $t $f
-          s chmod 644 $f
-          p update
-        fi
-
-        # newer version needed for false positive in checkrestart
-        p install -y --allow-unauthenticated debian-goodies
 
-        s dd of=/etc/apt/preferences.d/shellcheck <<EOF
-Package: shellcheck
+    sd /etc/apt/preferences.d/bash <<EOF
+Package: bash
 Pin: release a=etiona
 Pin-Priority: 1005
 
-Package: shellcheck
+Package: bash
 Pin: release a=etiona-updates
 Pin-Priority: 1005
 
-Package: shellcheck
+Package: bash
 Pin: release a=etiona-security
 Pin-Priority: 1005
 EOF
 
 
-        ;;
-      *)
-        if isdeb; then
-          pi debian-goodies shellcheck
-        fi
-        ;;
-    esac
-    ######### end flidas pinned packages ######
+    ;;&
+  etiona)
+    sd /etc/apt/preferences.d/etiona-bionic <<'EOF'
+Package: *
+Pin: release n=bionic
+Pin-Priority: -100
 
-    ##### begin automatic upgrades (after checkrestart has been installed) ####
-    s dd of=/etc/apt/apt.conf.d/10periodic <<'EOF'
+Package: firefox gnome-screenshot gnome-icon-theme libnautilus-extension1a gnome-settings-daemon nautilus yelp gnome-settings-daemon-schemas nautilus-data ubuntu-wallpapers gnome-control-center gnome-control-center-data gnome-control-center-faces libsnapd-glib1 ubuntu-wallpapers-bionic gir1.2-snapd-1 ubuntu-drivers-common ubuntu-docs libyelp0
+Pin: release n=bionic
+Pin-Priority: 500
+EOF
+    ;;&
+  *)
+    if isdeb; then
+      pi debian-goodies shellcheck
+    fi
+    ;;
+esac
+######### end flidas pinned packages ######
+
+##### begin automatic upgrades (after checkrestart has been installed) ####
+sd /etc/apt/apt.conf.d/10periodic <<'EOF'
 # this file was mostly just comments.
 APT::Periodic::Update-Package-Lists "1";
 APT::Periodic::Download-Upgradeable-Packages "1";
@@ -489,34 +391,217 @@ APT::Periodic::AutocleanInterval "7";
 APT::Periodic::Unattended-Upgrade "1";
 EOF
 
-    s dd of=/etc/apt/apt.conf.d/50unattended-upgrades  <<EOF
+sd /etc/apt/apt.conf.d/50unattended-upgrades  <<EOF
 # fyi: default file has comments about available options,
-# you may want to read that.
+# you may want to read that, do pkx unattended-upgrades
 Unattended-Upgrade::Mail "root";
 Unattended-Upgrade::MailOnlyOnError "true";
 Unattended-Upgrade::Remove-Unused-Dependencies "true";
 Unattended-Upgrade::Origins-Pattern {
-       # default is just security updates.
-       "origin=*";
+  # default is just security updates. this list found from reading
+  # match_whitelist_string() in $(which unattended-upgrades)
+  "o=*,l=*,a=*,c=*,site=*,n=*";
 };
 EOF
 
-    # old names, too verbose
-    s rm -f /etc/cron.d/unattended-upgrade-reboot /usr/local/bin/zelous-unattended-reboot
+# old names, too verbose
+sudo rm -f /etc/cron.d/unattended-upgrade-reboot /usr/local/bin/zelous-unattended-reboot
 
-    s dd of=/etc/cron.d/myupgrade <<'EOF'
+sd /etc/cron.d/myupgrade <<'EOF'
 # Setup reboots when running outdated stuff, unattended upgrades happen
 # at 6 am + rand(60 min).
-20 7 * * * root /usr/local/bin/myupgrade | /usr/local/bin/log-once -1 myupgrade
-0 * * * * root /usr/local/bin/mycheckrestart | /usr/local/bin/log-once -1 mycheckrestart
+
+# default is /bin/sh
+SHELL=/bin/bash
+# default is /usr/bin:/bin
+PATH=/usr/bin:/bin:/usr/local/bin
+20 7 * * * iank myupgrade |& log-once -1 myupgrade
+0  * * * * root mycheckrestart |& log-once -1 mycheckrestart
 EOF
-    ##### end automatic upgrades ####
+##### end automatic upgrades ####
 
 
-    echo "$0: $(date): ending now)"
-    exit 0
+
+###### begin website setup
+case $HOSTNAME in
+  li|l2)
+    pi bind9
+    f=/var/lib/bind/db.b8.nz
+    if [[ ! -e $f ]]; then
+      ser stop bind9
+      sudo rm -fv $f.jnl
+      sudo install -m 644 -o bind -g bind /p/c/machine_specific/linode/bind-initial/db.b8.nz $f
+      ser restart bind9
+    fi
+    ;;&
+  l2)
+    # setup let's encrypt cert
+    m web-conf apache2 l2.b8.nz
+    sudo rm -fv /etc/apache2/sites-enabled/l2.b8.nz{,-redir}.conf
+    ser reload apache2
+    s lnf -T /etc/letsencrypt/live/l2.b8.nz/fullchain.pem /etc/exim4/exim.crt
+    if [[ ! -L /etc/exim4/exim.key ]]; then
+      s lnf -T /etc/letsencrypt/live/l2.b8.nz/privkey.pem /etc/exim4/exim.key
+      mail-setup
+    fi
+    end
+    ;;
+  li)
+
+    case $HOSTNAME in
+      li)
+        m /a/h/setup.sh iankelling.org
+        ;;
+      tp)
+        m /a/h/setup.sh -s b8.nz
+        ;;
+      *)
+        # allow symlinks on non-main hosts so i can host files in arbitrary paths
+        m /a/h/setup.sh -s -p 80
+        ;;
+    esac
+    m /a/h/build.rb
+
+    # start mumble only when im going to use it, since i dont use it much
+    pi-nostart mumble-server
+    sudo $sed -ri "s/^ *(serverpassword=).*/\1$(< /a/bin/bash_unpublished/mumble_pass)/" /etc/mumble-server.ini
+
+    # do certificate to avoid warning about unsigned cert,
+    # which is overkill for my use, but hey, I'm cool, I know
+    # how to do this.
+    m web-conf apache2 mumble.iankelling.org
+    sudo rm -fv /etc/apache2/sites-enabled/mumble.iankelling.org
+    s <<'EOF'
+export RENEWED_LINEAGE=/etc/letsencrypt/live/mumble.iankelling.org
+/a/bin/distro-setup/certbot-renew-hook
+EOF
+
+
+    # requested from linode via a support ticket.
+    # https://www.linode.com/docs/networking/an-overview-of-ipv6-on-linode/
+    # ipv6 stuff pieced together
+    # via slightly wrong information from
+    # https://github.com/angristan/openvpn-install/blob/master/openvpn-install.sh
+    # https://community.openvpn.net/openvpn/wiki/IPv6
+    # and man openvpn
+
+    m vpn-server-setup -rd 2600:3c00:e000:280::1/64 2600:3c00::f03c:91ff:feb4:0bf3
+    sudo tee /etc/openvpn/client-config/mail <<'EOF'
+ifconfig-push 10.8.0.4 255.255.255.0
+ifconfig-ipv6-push 2600:3c00:e000:280::2/64
+EOF
+
+    if [[ -e /lib/systemd/system/openvpn-server@.service ]]; then
+      vpn_service=openvpn-server@server
+    else
+      vpn_service=openvpn@server
+    fi
+
+    sudo dd of=/etc/systemd/system/vpnmail.service <<EOF
+[Unit]
+Description=Turns on iptables mail nat
+
+[Service]
+Type=oneshot
+RemainAfterExit=yes
+ExecStart=/a/bin/distro-setup/vpn-mail-forward start
+ExecStop=/a/bin/distro-setup/vpn-mail-forward stop
+
+[Install]
+WantedBy=$vpn_service.service
+EOF
+    ser daemon-reload
+    sgo vpnmail.service
+    # needed for li's local mail delivery.
+    tu /etc/hosts <<<"10.8.0.4 mail.iankelling.org"
+    sgo $vpn_service
+    # setup let's encrypt cert
+    m web-conf apache2 mail.iankelling.org
+    sudo rm -fv /etc/apache2/sites-enabled/mail.iankelling.org{,-redir}.conf
+    ser reload apache2
+
+    domain=cal.iankelling.org
+    web-conf -f 10.8.0.4:5232 - apache2 $domain <<'EOF'
+#https://httpd.apache.org/docs/2.4/mod/mod_authn_core.html#authtype
+# https://stackoverflow.com/questions/5011102/apache-reverse-proxy-with-basic-authentication
+<Location />
+   Options +FollowSymLinks +Multiviews +Indexes
+   AllowOverride None
+   AuthType basic
+   AuthName "Authentication Required"
+   # setup one time, with root:www-data, 640
+   AuthUserFile "/etc/caldav-htpasswd"
+   Require valid-user
+</Location>
+EOF
+    # nginx version of above would be:
+    # auth_basic "Not currently available";
+    # auth_basic_user_file /etc/nginx/caldav/htpasswd;
+
+
+
+    ###### begin znc setup #####
+    pi znc
+
+    # https://wiki.znc.in/FAQ seems to imply that znc doesn\'t need restart after cert change.
+    # to get into the web interface,
+    # then use non-main browser or else it doebsn't allow it based on ocsp stapling from my main site.
+    # https://iankelling.org:12533/
+    s <<'EOF'
+export RENEWED_LINEAGE=/etc/letsencrypt/live/iankelling.org
+/a/bin/distro-setup/certbot-renew-hook
+EOF
+
+    # znc config generated by doing
+    # znc --makeconf
+    # selected port is also used in erc config
+    # comma separated channel list worked.
+    # while figuring things out, running znc -D for debug in foreground.
+    # to exit and save config:
+    # /msg *status shutdown
+    # configed auth on freenode by following
+    # https://wiki.znc.in/Sasl:
+    # /msg *sasl RequireAuth yes
+    # /msg *sasl Mechanism PLAIN
+    # /msg *sasl Set ident_name password
+    # created the system service after, and had to do
+    # mv /home/iank/.znc/* /var/lib/znc
+    # sed -i 's,/home/iank/.znc/,/var/lib/znc,' /var/lib/znc/config/znc.conf
+    # and made a copy of the config files into /p/c
+    # /msg *status LoadMod --type=global log -sanitize
+    # todo: in config file AllowWeb = true should be false. better security if that is off unless we need it.
+    # /msg *status LoadMod --type=network perform
+    # /msg *perform add PRIVMSG ChanServ :invite #fsf-office
+    # /msg *perform add JOIN #fsf-office
+    #
+    # i set  Buffer = 500
+    # also ran /znc LoadMod clearbufferonmsg
+    # it would be nice if erc supported erc query buffers by doing
+    # /msg *status clearbuffer <name of the query/receiver
+    # on killing the,
+    # an example seems to be here:	https://github.com/zenspider/elisp/blob/master/rwd-irc.el
+    # if that was the case i could remove the module clearbufferonmsg
+    # also would be nice if erc supported
+    # https://wiki.znc.in/self-message
+    # https://wiki.znc.in/Query_buffers                                                \
+      #
+    if ! getent passwd znc > /dev/null; then
+      sudo useradd --create-home -d /var/lib/znc --system --shell /sbin/nologin --comment "Account to run ZNC daemon" --user-group znc
+    fi
+    sudo chmod 700 /var/lib/znc
+    sudo chown -R znc:znc /var/lib/znc
+    # Avoid restarting if possible, reconnecting to irc is annoying.
+    # The unit file was made active with conflink.
+    # Note, avoid using ser here because we wrap sudo to prints the command first.
+    if [[ $(systemctl is-active znc) != active ]]; then
+      sgo znc
+    fi
+    ###### stop znc setup #####
+
+    end
     ;;
 esac
+###### end website setup
 
 ########### end section including li/lj ###############
 
@@ -534,10 +619,28 @@ case $codename_compat in
     # mate doesnt have wayland support yet
     pi task-gnome-desktop
     ;;
+  bionic)
+    pi gnome-core
+    # by default, it sleeps when not logged in to x/wayland and on ac power.
+    # stop that.
+    sudo -u gdm dbus-launch gsettings set org.gnome.settings-daemon.plugins.power sleep-inactive-ac-type 'nothing'
+    systemctl --user stop gvfs-daemon
+    systemctl --user disable gvfs-daemon
+    ;;
 esac
 
 
+if [[ $codename_compat == flidas ]]; then
+  # doesnt exist in newer
+  pi gnupg-doc
+fi
 
+# abrowser is not in etiona yet, abrowser version is 68,
+# abrowser won't run on a firefox profile that was on firefox
+# version 70. firefox in ubuntu is at version 70.
+# have to rm compabibility.ini to even try downgrade.
+pi firefox
+sudo update-alternatives --set x-www-browser /usr/bin/firefox
 
 # TODO: some of the X programs can be removed from pall when using wayland
 
@@ -547,17 +650,9 @@ esac
 # dependent packages.
 pi ${pall[@]} $(apt-cache search ruby[.0-9]+-doc| awk '{print $1}') $(apt-cache depends gcc|grep -i suggests:| awk '{print $2}') $($src/distro-pkgs)
 
-if ! type pip; then
-  x=$(mktemp)
-  wget -O$x https://bootstrap.pypa.io/get-pip.py
-  python3 $x --user
-fi
-
-sgo fsf-vpn-dns-cleanup
-
 
-# website is dead june 14 2019
-s rm -f /etc/apt/sources.list.d/iridium-browser.list
+# website is dead june 14 2019. back in october, but meh
+sudo rm -fv /etc/apt/sources.list.d/iridium-browser.list
 # case $distro in
 #   debian)
 #     pi chromium ;;
@@ -600,13 +695,13 @@ s rm -f /etc/apt/sources.list.d/iridium-browser.list
 # done
 
 # key already exists, so this won't generate one, just the configs.
-vpn-server-setup -rds
-s tee -a /etc/openvpn/server/server.conf <<'EOF'
+m vpn-server-setup -rds
+sudo tee -a /etc/openvpn/server/server.conf <<'EOF'
 push "dhcp-option DNS 10.0.0.1"
 push "route 10.0.0.0 255.255.0.0"
 client-connect /a/bin/distro-setup/vpn-client-connect
 EOF
-s sed -i --follow-symlinks 's/10.8./10.9./g;s/^\s*port\s.*/port 1196/' /etc/openvpn/server/server.conf
+sudo sed -i --follow-symlinks 's/10.8./10.9./g;s/^\s*port\s.*/port 1196/' /etc/openvpn/server/server.conf
 
 if [[ $HOSTNAME == tp ]]; then
   if [[ -e /lib/systemd/system/openvpn-server@.service ]]; then
@@ -622,7 +717,7 @@ fi
 ##### rss2email
 # note, see bashrc for more documentation.
 pi rss2email
-s dd of=/etc/systemd/system/rss2email.service <<'EOF'
+sd /etc/systemd/system/rss2email.service <<'EOF'
 [Unit]
 Description=rss2email
 After=multi-user.target
@@ -635,7 +730,7 @@ Type=oneshot
 # we pass options to use different location.
 ExecStart=/a/bin/log-quiet/sysd-mail-once -288 rss2email r2e -d /p/c/rss2email.json -c /p/c/rss2email.cfg run
 EOF
-s dd of=/etc/systemd/system/rss2email.timer <<'EOF'
+sd /etc/systemd/system/rss2email.timer <<'EOF'
 [Unit]
 Description=rss2email
 
@@ -648,12 +743,12 @@ OnUnitInactiveSec=300
 [Install]
 WantedBy=timers.target
 EOF
-s systemctl daemon-reload
+sudo systemctl daemon-reload
 
 
 ######### begin  pump.io periodic backup #############
 if [[ $HOSTNAME == frodo ]]; then
-  s dd of=/etc/systemd/system/pumpbackup.service <<'EOF'
+  sd /etc/systemd/system/pumpbackup.service <<'EOF'
 [Unit]
 Description=pump li backup
 After=multi-user.target
@@ -663,7 +758,7 @@ User=iank
 Type=oneshot
 ExecStart=/a/bin/log-quiet/sysd-mail-once pump-backup /a/bin/distro-setup/pump-backup
 EOF
-  s dd of=/etc/systemd/system/pumpbackup.timer <<'EOF'
+  sd /etc/systemd/system/pumpbackup.timer <<'EOF'
 [Unit]
 Description=pump li backup hourly
 
@@ -673,7 +768,7 @@ OnCalendar=hourly
 [Install]
 WantedBy=timers.target
 EOF
-  s systemctl daemon-reload
+  ser daemon-reload
   sgo pumpbackup.timer
 fi
 #########  end  pump.io periodic backup #############
@@ -681,7 +776,7 @@ fi
 
 ######### begin irc periodic backup #############
 if [[ $HOSTNAME == frodo ]]; then
-  s dd of=/etc/systemd/system/ircbackup.service <<'EOF'
+  sd /etc/systemd/system/ircbackup.service <<'EOF'
 [Unit]
 Description=irc li backup
 After=multi-user.target
@@ -691,7 +786,7 @@ User=iank
 Type=oneshot
 ExecStart=/a/bin/log-quiet/sysd-mail-once irc-backup rsync -rlptDhSAX root@iankelling.org:/var/lib/znc/moddata/log/iank/freenode/ /k/irclogs
 EOF
-  s dd of=/etc/systemd/system/ircbackup.timer <<'EOF'
+  sd /etc/systemd/system/ircbackup.timer <<'EOF'
 [Unit]
 Description=irc li backup hourly
 
@@ -701,7 +796,7 @@ OnCalendar=hourly
 [Install]
 WantedBy=timers.target
 EOF
-  s systemctl daemon-reload
+  sudo systemctl daemon-reload
   sgo ircbackup.timer
 fi
 
@@ -709,33 +804,13 @@ fi
 ######### end irc periodic backup #############
 
 
-# https://github.com/jlebon/textern
-cd /a/opt/textern
-make native-install USER=1
-
-case $distro in
-  debian|trisquel|ubuntu)
-    # suggests resolvconf package. installing it here is redundant, but make sure anyways.
-    # todo: check other distros to make sure it\'s installed
-    pi-nostart openvpn resolvconf
-    # pi-nostart does not disable
-    ser disable openvpn
-    ;;
-  *) pi openvpn;;
-esac
+pi-nostart openvpn
+# pi-nostart does not disable
+ser disable openvpn
 
-/a/bin/distro-setup/radicale-setup
+/p/c/gen-fsf-vpn
 
-## android studio setup
-# this contains the setting for android sdk to point to
-# /a/opt/androidsdk, which is asked upon first run
-lnf /a/opt/.AndroidStudio2.2 ~
-# android site says it needs a bunch of packages for ubuntu,
-# but I googled for debian, and someone says you just need lib32stdc++6 plus the
-# jdk
-# https://pid7007blog.blogspot.com/2015/07/installing-android-studio-in-debian-8.html
-# see w.org for more android studio details
-spa lib32stdc++6 default-jdk
+m /a/bin/distro-setup/radicale-setup
 
 
 ############# begin syncthing setup ###########
@@ -745,27 +820,22 @@ if [[ $HOSTNAME == frodo ]]; then
   # and just run it in one place instead of the normal having a
   # separate config.  I lean toward using the same config, since btrfs
   # syncs between comps.
-  case $distro in
-    arch) pi syncthing ;;
-    trisquel|ubuntu|debian)
-      # testing has relatively up to date packages
-      if ! isdebian-testing; then
-        # based on error when doing apt-get update:
-        # E: The method driver /usr/lib/apt/methods/https could not be found.
-        pi apt-transport-https
-        # google led me here:
-        # https://apt.syncthing.net/
-        curl -s https://syncthing.net/release-key.txt | sudo apt-key add -
-        s="deb http://apt.syncthing.net/ syncthing release"
-        if [[ $(cat /etc/apt/sources.list.d/syncthing.list) != "$s" ]]; then
-          echo "$s" | s dd of=/etc/apt/sources.list.d/syncthing.list
-          p update
-        fi
-      fi
-      pi syncthing
-      ;;
-  esac
-  lnf -T /w/syncthing /home/iank/.config/syncthing
+  # testing has relatively up to date packages
+  if ! isdebian-testing; then
+    # based on error when doing apt-get update:
+    # E: The method driver /usr/lib/apt/methods/https could not be found.
+    pi apt-transport-https
+    # google led me here:
+    # https://apt.syncthing.net/
+    curl -s https://syncthing.net/release-key.txt | sudo apt-key add -
+    s="deb http://apt.syncthing.net/ syncthing release"
+    if [[ $(cat /etc/apt/sources.list.d/syncthing.list) != "$s" ]]; then
+      echo "$s" | sd /etc/apt/sources.list.d/syncthing.list
+      p update
+    fi
+  fi
+  pi syncthing
+  m lnf -T /w/syncthing /home/iank/.config/syncthing
   ser daemon-reload # syncthing likely not properly packaged
   sgo syncthing@iank # runs as iank
 
@@ -820,17 +890,17 @@ fi
 
 case $codename in
   flidas)
-
-  ;;
+    :
+    ;;
 esac
 
 
 # sakura config is owned by ian
-reset-sakura
-reset-konsole
-sudo -u user2 -i reset-konsole
+m reset-sakura
+m reset-konsole
+m sudo -u user2 -i reset-konsole
 # user2 xscreensaver we don't want to reset
-reset-xscreensaver
+m reset-xscreensaver
 
 
 # this would install from cabal for newer / consistent version across os, but it screws up xmonad, so disabled for now.
@@ -841,40 +911,31 @@ reset-xscreensaver
 # also, i assume syncing this between machines somehow messed thin
 #lnf -T /m/arbtt-capture.log ~/.arbtt/capture.log
 
-primary-setup
+m primary-setup
 
 if [[ ! -e ~/.linphonerc && -e /p/.linphonerc-initial ]]; then
-  cp /p/.linphonerc-initial ~/.linphonerc
+  m cp /p/.linphonerc-initial ~/.linphonerc
 fi
 
 
 ### begin spd install
 pi libswitch-perl libdigest-md5-file-perl libgnupg-interface-perl
 t=$(mktemp)
-wget -O $t http://mirror.fsf.org/fsfsys-trisquel/fsfsys-trisquel/pool/main/s/spd-perl/spd-perl_0.2-1_amd64.deb
-s dpkg -i $t
-rm $t
+m wget -O $t http://mirror.fsf.org/fsfsys-trisquel/fsfsys-trisquel/pool/main/s/spd-perl/spd-perl_0.2-1_amd64.deb
+sudo dpkg -i $t
+m rm $t
 # this guesses at the appropriate directory, adjust if needed
 perldir=(/usr/lib/x86_64-linux-gnu/perl/5.*)
-sudo ln -sf ../../../perl/5.18.2/SPD/ ${perldir[0]}
+m sudo ln -sf ../../../perl/5.18.2/SPD/ ${perldir[0]}
 # newer distro had gpg2 as default, older one, flidas, need to make it that way
 gpgpath=$(which gpg2)
 if [[ $x ]]; then
-  s mkdir -p /usr/local/spdhackfix
+  sudo mkdir -p /usr/local/spdhackfix
   s lnf -T $gpgpath /usr/local/spdhackfix/gpg
 fi
 ### end spd install
 
 
-if [[ $HOSTNAME == kw ]]; then
-  cat <<'EOF'
-NOTE: after this finishes, i did
-s nmtui-connect
-# remove br from auto:
-s vim /etc/network/interfaces
-EOF
-fi
-
 # nagstamon setting which were set through the ui
 # in filters tab:
 # all unknown sources
@@ -904,15 +965,10 @@ fi
 # but i'm just going to rely on the webpage plus sms for now.
 
 
-case $distro in
-  debian|trisquel|ubuntu)
-    # it asks if it should make users in it's group capture packets without root,
-    # which is arguably more secure than running wireshark as root. default is no,
-    # which is what i prefer, since I plan to use tcpdump to input to wireshark.
-    s DEBIAN_FRONTEND=noninteractive pi wireshark-gtk
-    ;;
-  # others unknown
-esac
+# it asks if it should make users in it's group capture packets without root,
+# which is arguably more secure than running wireshark as root. default is no,
+# which is what i prefer, since I plan to use tcpdump to input to wireshark.
+s DEBIAN_FRONTEND=noninteractive pi wireshark-gtk
 
 # /run and /dev/shm are listed as required for pulseaudio. All 4 in the group
 # listed in the default config as suggested.
@@ -947,7 +1003,7 @@ mkschroot() {
   fi
   apps=($@)
   d=/nocow/schroot/$n
-  s dd of=/etc/schroot/chroot.d/$n.conf <<EOF
+  sd /etc/schroot/chroot.d/$n.conf <<EOF
 [$n]
 description=$n
 type=directory
@@ -957,18 +1013,18 @@ preserve-environment=true
 users=$USER,user2
 EOF
   if [[ -e $d/bin ]]; then
-    s chroot $d apt-get update
-    s chroot $d apt-get -y dist-upgrade --purge --auto-remove
-    cd; s schroot -c $n -- apt-get install --allow-unauthenticated -y ${apps[@]}
+    sudo chroot $d apt-get update
+    sudo chroot $d apt-get -y dist-upgrade --purge --auto-remove
+    cd; sudo schroot -c $n -- apt-get install --allow-unauthenticated -y ${apps[@]}
   else
-    s mkdir -p $d
+    sudo mkdir -p $d
 
-    s debootstrap $n $d $repo
-    cd; s schroot -c $n -- apt-get install --allow-unauthenticated -y ${apps[@]}
+    sudo debootstrap $n $d $repo
+    cd; sudo schroot -c $n -- apt-get install --allow-unauthenticated -y ${apps[@]}
   fi
-  s cp -P {,$d}/etc/localtime
+  sudo cp -P {,$d}/etc/localtime
 }
-s dd of=/etc/systemd/system/schrootupdate.service <<'EOF'
+sd /etc/systemd/system/schrootupdate.service <<'EOF'
 [Unit]
 Description=schrootupdate
 After=multi-user.target
@@ -977,7 +1033,7 @@ After=multi-user.target
 Type=oneshot
 ExecStart=/a/bin/log-quiet/sysd-mail-once schrootupdate /a/bin/distro-setup/schrootupdate
 EOF
-s dd of=/etc/systemd/system/schrootupdate.timer <<'EOF'
+sd /etc/systemd/system/schrootupdate.timer <<'EOF'
 [Unit]
 Description=schrootupdate
 
@@ -987,7 +1043,7 @@ OnCalendar=*-*-* 04:20:00
 [Install]
 WantedBy=timers.target
 EOF
-s systemctl daemon-reload
+ser daemon-reload
 sgo schrootupdate.timer
 
 
@@ -995,110 +1051,105 @@ sgo schrootupdate.timer
 # for my roommate
 case $distro in
   trisquel)
-    mkschroot debian stretch firefox-esr pulseaudio chromium
+    # cant do buster due to old gpg
+    m mkschroot debian stretch firefox-esr pulseaudio chromium
     ;;
   debian)
     pi chromium
     ;;
 esac
 
-s mkdir -p /nocow/user
-s chown $USER:$USER /nocow/user
+sudo mkdir -p /nocow/user
+sudo chown $USER:$USER /nocow/user
 pi anki
 
 
+####### begin transmission
+
+case $HOSTNAME in
+  frodo)
+    tdir=/i/k
+    ;;
+  *)
+    tdir=/nocow/user
+    ;;
+esac
+
 # adapted from /var/lib/dpkg/info/transmission-daemon.postinst
 # 450 seems likely to be unused. we need to specify one or else
 # it won't be stable across installs.
 if ! getent passwd debian-transmission > /dev/null; then
-  s groupadd -g 450 debian-transmission
-  case $distro in
-    arch)
-      s useradd \
-        --system \
-        --create-home \
-        --gid 450 \
-        --uid 450 \
-        --home-dir /var/lib/transmission-daemon \
-        --shell /bin/false \
-        debian-transmission
-      ;;
-    *)
-      s adduser --quiet \
-        --gid 450 \
-        --uid 450 \
-        --system \
-        --no-create-home \
-        --disabled-password \
-        --home /var/lib/transmission-daemon \
-        debian-transmission
-      ;;
-  esac
+  sudo groupadd -g 450 debian-transmission
+  sudo adduser --quiet \
+       --gid 450 \
+       --uid 450 \
+       --system \
+       --no-create-home \
+       --disabled-password \
+       --home /var/lib/transmission-daemon \
+       debian-transmission
 fi
 # We want group writable stuff from transmission.
 # However, after setting this, I learn that transmission sets it's
 # own umask based on it's settings file. Well, no harm leaving this
 # so it's set right from the beginning.
-s chfn debian-transmission -o umask=0002
+sudo chfn debian-transmission -o umask=0002
 
-case $distro in
-  debian|trisquel|ubuntu)
-    # note i had to do this, which is persistent:
-    # cd /i/k
-    # s chgrp debian-transmission torrents partial-torrents
-
-    # syslog says things like
-    # 'Failed to set receive buffer: requested 4194304, got 425984'
-    # google suggets giving it even more than that
-    tu /etc/sysctl.conf<<'EOF'
+# note i had to do this, which is persistent:
+# cd /i/k
+# s chgrp debian-transmission torrents partial-torrents
+
+# syslog says things like
+# 'Failed to set receive buffer: requested 4194304, got 425984'
+# google suggets giving it even more than that
+tu /etc/sysctl.conf<<'EOF'
 net.core.rmem_max = 67108864
 net.core.wmem_max = 16777216
 EOF
-    s sysctl -p
-
-    # some reason it doesn\'t seem to start automatically anyways
-    pi-nostart transmission-daemon
-    # be extra sure its not started
-    ser disable transmission-daemon
-    ser stop transmission-daemon
-
-    # the folder was moved here after an install around 02/2017.
-    # it contains runtime data,
-    # plus a simple symlink to the config file which it\'s
-    # not worth separating out.
-    # between comps, the uid can change
-    f=/i/transmission-daemon
-    s lnf -T $f /var/lib/transmission-daemon/.config/transmission-daemon
-    if [[ -e $f ]]; then
-      s chown -R debian-transmission:debian-transmission $f
-    fi
-    for f in /i/k/partial-torrents /i/k/torrents; do
-      if [[ -e $f ]]; then
-        s chown -R debian-transmission:user2 $f
-      fi
-    done
-    s chown -R debian-transmission:debian-transmission /var/lib/transmission-daemon
-    #
-    # config file documented here, and it\'s the same config
-    # for daemon vs client, so it\'s documented in the gui.
-    # https://trac.transmissionbt.com/wiki/EditConfigFiles#Options
-    #
-    # I originaly setup rpc-whitelist, but after using
-    # routing to a network namespace, it doesn\'t see the
-    # real source address, so it\'s disabled.
-    #
-    # Changed the cache-size to 256 mb, reduces disk use.
-    # It is a read & write cache.
-    #
-    s ruby <<'EOF'
+sudo sysctl -p
+
+# some reason it doesn\'t seem to start automatically anyways
+pi-nostart transmission-daemon
+# be extra sure its not started
+ser disable transmission-daemon
+ser stop transmission-daemon
+
+# the folder was moved here after an install around 02/2017.
+# it contains runtime data,
+# plus a simple symlink to the config file which it\'s
+# not worth separating out.
+# between comps, the uid can change
+f=$tdir/transmission-daemon
+mkdir -p $f
+s lnf -T $f /var/lib/transmission-daemon/.config/transmission-daemon
+s lnf -T /etc/transmission-daemon/settings.json $f/settings.json
+sudo chown -R debian-transmission:debian-transmission $f
+for f in $tdir/partial-torrents $tdir/torrents; do
+  if [[ -e $f ]]; then
+    sudo chown -R debian-transmission:user2 $f
+  fi
+done
+sudo chown -R debian-transmission:debian-transmission /var/lib/transmission-daemon
+#
+# config file documented here, and it\'s the same config
+# for daemon vs client, so it\'s documented in the gui.
+# https://trac.transmissionbt.com/wiki/EditConfigFiles#Options
+#
+# I originaly setup rpc-whitelist, but after using
+# routing to a network namespace, it doesn\'t see the
+# real source address, so it\'s disabled.
+#
+# Changed the cache-size to 256 mb, reduces disk use.
+# It is a read & write cache.
+sudo ruby <<EOF
 require 'json'
 p = '/etc/transmission-daemon/settings.json'
 File.write(p, JSON.pretty_generate(JSON.parse(File.read(p)).merge({
 'rpc-whitelist-enabled' => false,
 'rpc-authentication-required' => false,
-'incomplete-dir' => '/i/k/partial-torrents',
+'incomplete-dir' => '$tdir/partial-torrents',
 'incomplete-dir-enabled' => true,
-'download-dir' => '/i/k/torrents',
+'download-dir' => '$tdir/torrents',
 "speed-limit-up" => 800,
 "speed-limit-up-enabled" => true,
 "peer-port" => 61486,
@@ -1107,10 +1158,7 @@ File.write(p, JSON.pretty_generate(JSON.parse(File.read(p)).merge({
 "ratio-limit-enabled" => true,
 })) + "\n")
 EOF
-
-    ;;
-  # todo: others unknown
-esac
+####### end transmission
 
 
 
@@ -1120,7 +1168,7 @@ if [[ ! -e /lib/systemd/system/openvpn-client@.service ]]; then
   vpn_ser=openvpn
 fi
 
-s dd of=/etc/systemd/system/transmission-daemon-nn.service <<EOF
+sd /etc/systemd/system/transmission-daemon-nn.service <<EOF
 [Unit]
 Description=Transmission BitTorrent Daemon netns
 After=network.target
@@ -1163,7 +1211,7 @@ if [[ -e /p/transmission-rpc-pass ]]; then
 
   # the password is randomly generated on first run, i copied it out
   # so it could be used by other hosts.
-  s ruby <<'EOF'
+  sudo ruby <<'EOF'
 require 'json'
 p = '/etc/transmission-daemon/settings.json'
 s = JSON.parse(File.read(p))
@@ -1176,17 +1224,19 @@ EOF
   rpc_pass=$(</p/transmission-rpc-pass)
   for f in /home/*; do
     u=${f##*/}
-    if [[ ! $(id -u $u) -ge 1000 ]]; then
+    uid=$(id -u $u 2>/dev/null) || continue
+    if [[ ! $uid -ge 1000 ]]; then
       continue
     fi
     d=$f/.config/transmission-remote-gtk
-    s -u $u mkdir -p $d
-    s -u $u dd of=$d/config.json <<EOF
+    sudo -u $u mkdir -p $d
+    sudo -u $u dd of=$d/config.json <<EOF
 {
   "profiles" : [
-    {
+      {
       "profile-name" : "Default",
       "hostname" : "transmission.b8.nz",
+
       "rpc-url-path" : "/transmission/rpc",
       "username" : "",
       "password" : "$rpc_pass",
@@ -1200,11 +1250,28 @@ EOF
       "update-interval" : 3,
       "min-update-interval" : 3,
       "session-update-interval" : 60,
-      "exec-commands" : [
-      ],
-      "destinations" : [
-      ]
-    }
+      "exec-commands" : [],
+      "destinations" : []
+      },
+      {
+      "profile-name" : "local",
+      "hostname" : "10.173.0.2",
+
+      "username" : "",
+      "password" : "$rpc_pass",
+      "auto-connect" : true,
+      "ssl" : false,
+      "timeout" : 40,
+      "retries" : 3,
+      "update-active-only" : false,
+      "activeonly-fullsync-enabled" : false,
+      "activeonly-fullsync-every" : 2,
+      "update-interval" : 3,
+      "min-update-interval" : 3,
+      "session-update-interval" : 60,
+      "exec-commands" : [],
+      "destinations" : []
+      }
   ],
   "profile-id" : 0,
   "add-options-dialog" : false
@@ -1214,41 +1281,22 @@ EOF
 fi
 ######### end transmission client setup ######
 
-# dunno why it\'s there, but get rid of it
-case $HOSTNAME in
-  li|lj) s rm -rf /home/linode ;;
-esac
-
 
 ### printer setup
-case $distro in
-  arch)
-    pi cups ghostscript gsfonts # from arch wiki cups page
-    pi hplip # from google
-    s gpasswd -a $USER sys # from arch wiki
-    sgo org.cups.cupsd.service
-    ;;
-  debian|trisquel|ubuntu)
-    pi cups
-    s gpasswd -a $USER lpadmin # based on ubuntu wiki
-    spa hplip
-    ;;
-  # other distros unknown
-esac
+pi cups hplip
+sudo gpasswd -a $USER lpadmin # based on ubuntu wiki
 # goto http://127.0.0.1:631
 # administration tab, add new printer button.
 # In debian, I could use hte recommended driver,
 # in arch, I had to pick out the 6L driver.
 
 
-# allow user to run vms, from debian handbook
-for x in iank user2; do s usermod -a -G libvirt,kvm $x; done
 # bridge networking as user fails. google lead here, but it doesn\'t work:
 # oh well, I give up.
 # http://wiki.qemu.org/Features-Done/HelperNetworking
 # s mkdir /etc/qemu
 # f=/etc/qemu/bridge.conf
-# s dd of=$f <<'EOF'
+# sd $f <<'EOF'
 # allow br0
 # EOF
 # #s chown root:qemu $f # debian has somethig like qemu-libvirt. equivalent?
@@ -1256,71 +1304,13 @@ for x in iank user2; do s usermod -a -G libvirt,kvm $x; done
 
 # general known for debian/ubuntu, not for fedora
 
-case $distro in
-  debian|trisquel|ubuntu)
-    if ! type -p go &>/dev/null; then
-      cd $(mktemp -d)
-      # just the latest stable at the time of writing
-      # TODO, maybe put this all into a build script,
-      # and do some automatic updates
-      wget -q https://dl.google.com/go/go1.12.4.linux-amd64.tar.gz
-      s tar -C /usr/local -xzf go1.12.4.linux-amd64.tar.gz
-      rm -f ./*
-    fi
-    go get -u mvdan.cc/fdroidcl
-    # a bit of googling, and added settings to bashrc
-    ;;
-esac
-
-case $distro in
-  arch)
-    pi virt-install
-    # otherwise we get error about accessing kvm module.
-    # seems like there might be a better way, but google was a bit vague.
-    s $sed -ri '/^ *user *=/d' /etc/libvirt/qemu.conf
-    echo 'user = "root"' | s tee -a /etc/libvirt/qemu.conf
-    # guessing this is not needed
-    #sgo virtlogd.service
-
-    # iank: disabed as im not using libvirt usually
-    # # https://bbs.archlinux.org/viewtopic.php?id=206206
-    # # # this should prolly go in the wiki
-    # sgo virtlogd.socket
-    # sgo libvirtd
-    ;;
-  debian|trisquel|ubuntu)
-    pi-nostart virtinst virt-manager
-    ;;
-
-esac
-
-
-case $distro in
-  fedora)
-    cd $(mktemp -d)
-    wget ftp://ftp.gnu.org/pub/gnu/global/global-6.5.7.tar.gz
-    ex global*
-    cd global-6.5.7
-    # based on https://github.com/leoliu/ggtags
-    ./configure --with-exuberant-ctags=/usr/bin/ctags
-    make
-    s make install
-    pip install pygments
-    ;;
-  *)
-    pi global
-    ;;&
-  arch)
-    pi  python2-pygments
-    ;;
-  debian|trisquel|ubuntu)
-    pi python-pygments
-    ;;
-esac
+m /a/bin/buildscripts/go
+m /a/bin/buildscripts/rust
+m /a/bin/buildscripts/misc
 
-
-
-# removed synergy since ive not used it in a long time
+pi-nostart virtinst virt-manager
+# allow user to run vms, from debian handbook
+for x in iank user2; do s usermod -a -G libvirt,kvm $x; done
 
 
 pi --no-install-recommends kdeconnect
@@ -1345,16 +1335,11 @@ pi --no-install-recommends kdeconnect
 # set arduino var in bashrc,
 # have system config file setup too.
 sudo adduser $USER dialout
-case $distro in
-  arch)
-    sudo usermod -a -G uucp $USER
-    ;;
-esac
 
 # this is for the mail command too. update-alternatives is kind of misleading
 # since at least it's main commands pretend mail does not exist.
 # bsd's mail got pulled in on some dumb dependency, i dunno how.
-s update-alternatives --set mailx /usr/bin/mail.mailutils
+sudo update-alternatives --set mailx /usr/bin/mail.mailutils
 
 ######### end misc packages #########
 
@@ -1379,7 +1364,7 @@ pi smartmontools
 # -o on, turn on 4 hour period non-performance degrading testing.
 # short test daily 2-3am, extended tests Saturdays between 3-4am:
 sched="-s (S/../.././02|L/../../6/03)"
-s sed -i --follow-symlinks "s#^[[:space:]]*DEVICESCAN.*#\
+sudo sed -i --follow-symlinks "s#^[[:space:]]*DEVICESCAN.*#\
 DEVICESCAN -a -o on -S on -n standby,q $sched \
 -m ian@iankelling.org -M exec /usr/local/bin/smart-notify#" /etc/smartd.conf
 
@@ -1399,21 +1384,39 @@ DEVICESCAN -a -o on -S on -n standby,q $sched \
 
 ########### misc stuff
 
-# make networkmanager use resolvconf instead of its own dnsmasq which
-# conflicts with the normal dnsmasq package.
-f=/etc/NetworkManager/NetworkManager.conf
-m=$(md5sum $f)
-s sed -ri '/ *\[main\]/,/^ *\[[^]]+\]/{/^\s*dns[[:space:]=]/d}' $f
-if [[ $m != $(md5sum $f) ]]; then
-  srestart NetworkManager
-fi
+case $(debian-codename) in
+  # needed for debootstrap scripts for fai since fai requires debian
+  flidas)
+    pi dnsmasq
+    pi-nostart network-manager
+    # make networkmanager use resolvconf instead of its own dnsmasq which
+    # conflicts with the normal dnsmasq package.
+    f=/etc/NetworkManager/NetworkManager.conf
+    m=$(md5sum $f)
+    sudo sed -ri '/ *\[main\]/,/^ *\[[^]]+\]/{/^\s*dns[[:space:]=]/d}' $f
+    sudo sed -ri '/ *\[main\]/a dns=default' $f
+    if [[ $m != $(md5sum $f) ]]; then
+      srestart NetworkManager
+    fi
+    # networkmanager has this nasty behavior on flidas: if the machine
+    # crashes with dnsmasq running, on subsequent boot, it adds an entry to
+    # resolvconf for 127.0.0.1 in some stupid attempt to restore
+    # nameservers.
+    # This can be manually fixed by stoping dnsmasq,
+    # then based on whats in /run/dnsmasq/, i see we can run
+    # s resolvconf -d NetworkManager
+    # oh ya, and stoping NetworkManager leaves this crap behind without cleaning it up.
+    ser disable NetworkManager
+    ;;
+esac
 
 # make my /etc/fonts/conf.d/ get used.
 # I have a new sans-serif font there because the default one
 # displays l and I as the same char, grrrrr.
-s fc-cache
+sudo fc-cache
 
-/a/bin/distro-setup/mymimes
+pi desktop-file-utils
+m /a/bin/distro-setup/mymimes
 
 
 sgo dynamicipupdate
@@ -1423,7 +1426,7 @@ sgo dynamicipupdate
 # dbus-launch makes this work within an ssh connection, otherwise you get this message,
 # with still 0 exit code.
 # dconf-WARNING **: failed to commit changes to dconf: Cannot autolaunch D-Bus without X11 $DISPLAY
-dbus-launch gsettings set org.gnome.desktop.media-handling automount-open false
+m dbus-launch gsettings set org.gnome.desktop.media-handling automount-open false
 
 
 # on grub upgrade, we get prompts unless we do this
@@ -1432,7 +1435,7 @@ for dev in $(s btrfs fil show /boot | sed -nr 's#.*path\s+(\S+)$#\1#p'); do
   devs+=("$(devbyid $dev),")
 done
 devs[-1]=${devs[-1]%,} # jonied by commas
-s debconf-set-selections <<EOF
+sudo debconf-set-selections <<EOF
 grub-pc grub-pc/install_devices multiselect ${devs[*]}
 EOF
 
@@ -1440,41 +1443,9 @@ EOF
 sgo btrfsmaint.timer
 sgo btrfsmaintstop.timer
 
-
-# the wiki backup script from ofswiki.org uses generic paths
-s lnf /p/c/machine_specific/li/mw_vars /root
-s lnf /k/backup/wiki_backup /root
-
-
-case $distro in
-  trisquel|ubuntu|debian)
-    # unison-gtk second, i want it to be default, not sure if that works
-    # with spa. note, I used to install from testing repo when using stable,
-    # but it shouldn't be needed since I wrote a script to handle mismatching
-    # compilers.
-    spa unison unison-gtk
-    ;;
-  arch)
-    spa unison gtk2
-    ;;
-esac
-
-case $distro in
-  arch)
-    # default is alsa, doesn\'t work with with pianobar
-    s dd of=/etc/libao.conf <<'EOF'
-default_driver=pulse
-EOF
-    ;;
-esac
-
-# # disabled due to my patch being in btrbk
-# case $distro in
-#     arch|debian|trisquel|ubuntu) pi btrbk ;;
-#     # others unknown
-# esac
-cd /a/opt/btrbk
-s make install
+# aren't autoupdating this, but I do check on it somewhat regularly.
+m cd /a/opt/btrbk
+sudo make install
 
 sgo btrbk.timer
 # note: to see when it was last run,
@@ -1486,132 +1457,36 @@ In mate settings settings, change scrolling to two-finger,
 because the default edge scroll doesn\'t work. Originally found this in debian.
 EOF
 
-case $distro in
-  debian)
-    # remove dep that came in with desktop
-    pu transmission-gtk
-    ;;
-esac
+# Remove dep that came in with desktop to fix associations.
+m pu transmission-gtk
 
 
-case $distro in
-  debian|trisquel|ubuntu) s gpasswd -a iank adm ;; #needed for reading logs
-esac
+m /a/bin/buildscripts/pithosfly
 
-/a/bin/buildscripts/pithosfly
-
-
-# based on guix manual instructions, also added code to profile
-pi nscd
-if ! type -p guix >/dev/null; then
-  cd $(mktemp -d)
-  wget https://git.savannah.gnu.org/cgit/guix.git/plain/etc/guix-install.sh
-  # added some stuff to envonment.sh for profile based on
-  # manual instructions
-  # wget https://sv.gnu.org/people/viewgpg.php?user_id=15145 -qO - | gpg --import -
-  # echo is to get past prompt
-  yes | sudo -E HOME=$HOME bash guix-install.sh || [[ $? == 141 ]]
-  guix install glibc-utf8-locales
-  guix package --install guile
-fi
-
-# install rust.
-curl https://sh.rustup.rs -sSf | bash -s -- -y
-# todo: update this. updates in rust are stupidly complicate
-if ! which rg &>/dev/null; then
-  cargo install ripgrep
-fi
 
-#### tor
-case $distro in
-  # based on
-  # https://www.torproject.org/docs/rpms.html.en
-  # https://www.torproject.org/docs/debian.html.en
-  # todo: figure out if the running service needs to be restarted upon updates
-  # todo on fedora: setup non-dev packages
-  fedora)
-    s dd of=/etc/yum.repos.d/torproject.repo <<'EOF'
-[tor]
-name=Tor experimental repo
-enabled=1
-baseurl=http://deb.torproject.org/torproject.org/rpm/tor-testing/fc/20/$basearch/
-gpgcheck=1
-gpgkey=http://deb.torproject.org/torproject.org/rpm/RPM-GPG-KEY-torproject.org.asc
-
-[tor-source]
-name=Tor experimental source repo
-enabled=1
-autorefresh=0
-baseurl=http://deb.torproject.org/torproject.org/rpm/tor-testing/fc/20/SRPMS
-gpgcheck=1
-gpgkey=http://deb.torproject.org/torproject.org/rpm/RPM-GPG-KEY-torproject.org.asc
-EOF
+# # Based on guix manual instructions, also added code to profile.
+# # disabled since i'm not using it now.
+# pi nscd
+# if ! type -p guix >/dev/null; then
+#   cd $(mktemp -d)
+#   wget https://git.savannah.gnu.org/cgit/guix.git/plain/etc/guix-install.sh
+#   # added some stuff to envonment.sh for profile based on
+#   # manual instructions
+#   # wget https://sv.gnu.org/people/viewgpg.php?user_id=15145 -qO - | gpg --import -
+#   # echo is to get past prompt
+#   yes | sudo -E HOME=$HOME bash guix-install.sh || [[ $? == 141 ]]
+#   guix install glibc-utf8-locales
+#   guix package --install guile
+# fi
 
-    # to be secure, take a look at the fingerprint reported from the following install, and see if it matches from the link above:
-    # 3B9E EEB9 7B1E 827B CF0A  0D96 8AF5 653C 5AC0 01F1
-    sgo tor
-    /a/bin/buildscripts/tor-browser
-    ;;
-  ubuntu)
-    tu /etc/apt/sources.list "deb http://deb.torproject.org/torproject.org $(debian-codename) main"
-    gpg --keyserver keys.gnupg.net --recv 886DDD89
-    gpg --export A3C4F0F979CAA22CDBA8F512EE8CBC9E886DDD89 | sudo apt-key add -
-    p update
-    pi deb.torproject.org-keyring
-    pi tor
-    /a/bin/buildscripts/tor-browser
-    ;;
-  debian)
-    pi tor
-    /a/bin/buildscripts/tor-browser
-    ;;
-  arch)
-    pi tor tor-browser-en
-    sgo tor
-    ;;
-  # ubuntu unknown
-esac
 
-# nfs server
-case $distro in
-  fedora)
-    end_msg <<'EOF'
-fedora todo: disable the firewall or find a way to automate it.
-there's an unused section in t.org for tramikssion firewall setup
-
-fedora manual config for nfs:
-s firewall-config
-change to permanent configuration
-check the box for nfs
-was hard to figure this out, not sure if this is all needed, but
-unblock these too
-mountd: udp/tcp 20048
-portmapper, in firewall-config its called rpc-bind: udp/tcp 111
-troubleshooting, unblock things in rpcinfo -p
-make sure to reload the firewall to load the persistent configuration
 
+pi tor
+m /a/bin/buildscripts/tor-browser
 
-EOF
-    pi nfs-utils
-    ;;
-  debian|trisquel|ubuntu)
-    pi-nostart nfs-server
-    ;;
-  arch)
-    pi nfs-utils || pending_reboot=true
-    ;;
-esac
+# nfs server
+pi-nostart nfs-kernel-server
 
-# networkmanager has this nasty behavior on flidas: if the machine
-# crashes with dnsmasq running, on subsequent boot, it adds an entry to
-# resolvconf for 127.0.0.1 in some stupid attempt to restore
-# nameservers.
-# This can be manually fixed by stoping dnsmasq,
-# then based on whats in /run/dnsmasq/, i see we can run
-# s resolvconf -d NetworkManager
-# oh ya, and stoping NetworkManager leaves this crap behind without cleaning it up.
-ser stop NetworkManager
-ser disable NetworkManager
 
 
 if [[ $HOSTNAME == frodo ]]; then
@@ -1623,11 +1498,10 @@ if [[ $HOSTNAME == frodo ]]; then
   tu /etc/exports <<'EOF'
 /k 10.0.0.0/24(rw,fsid=0,nohide,no_root_squash,async,no_subtree_check,insecure)
 EOF
-  s exportfs -rav
+  sudo exportfs -rav
 fi
 
 
-e "$end_msg_var"
 
 
 
@@ -1641,11 +1515,4 @@ e "$end_msg_var"
 
 ######### begin stuff belonging at the end    ##########
 
-
-if $pending_reboot; then
-  echo "$0: pending reboot and then finished. doing it now."
-  s reboot now
-else
-  echo "$0: $(date): ending now)"
-fi
-exit 0
+end