Merge branch 'master' of code.ungleich.ch:nico/nsbin

battery-check.sh

@@ -0,0 +1,18 @@
+#!/bin/sh
+
+acpi=$(acpi)
+
+# Nothing to be done if we are charging
+if echo "$acpi" | grep -q Charging; then
+    exit 0
+fi
+
+percent=$(echo $acpi | cut -d, -f2 | sed 's/%//')
+
+if [ $percent -le 10 ]; then
+    notify-send -u critical "Battery:${percent}%"
+elif [ $percent -le 15 ]; then
+    notify-send -u normal "Battery:${percent}%"
+elif [ $percent -le 20 ]; then
+    notify-send -u low "Battery:${percent}%"
+fi

ga.sh

@@ -0,0 +1,8 @@
+#!/bin/sh
+
+for url in \
+    https://analytics.google.com/analytics/web/#/report-home/a62285904w148949408p153837579 \
+        https://analytics.google.com/analytics/web/#/report-home/a62285904w148936346p153856341 \
+        https://analytics.google.com/analytics/web/#/report-home/a62285904w97282594p101425900; do
+    chromium --new-window ${url}
+done

install-nicos-notebook

@@ -0,0 +1,55 @@
+#!/bin/sh
+
+set -x
+set -e
+
+# 1. Create partitions
+# 2. install OS
+# 3. configure with cdist
+# 4. start initial sync (mbsync, nextcloud)
+
+# Things to automate:
+# - mbsync call (?)
+# - nextcloud sync / config
+# - wireguard installation / config
+
+# Things to fix:
+# cdist sets hostname of HOST when running in chroot!
+
+if [ $# -ne 1 ]; then
+    echo "$0 name-of-the-notebook"
+    exit 1
+fi
+
+# Get OS
+
+alpine_version=3.10.2
+alpine_url=http://dl-cdn.alpinelinux.org/alpine/v3.10/releases/x86_64/alpine-minirootfs-${alpine_version}-x86_64.tar.gz
+
+hostname=nicos-notebook
+
+tmpdir=$(mktemp -d)
+tmpdir=/tmp/tmp.w5LTsMtCDX
+
+root_dir=${tmpdir}/rootfs
+dot_cdist=~/vcs/nico-dot-cdist/
+cdist_dir=~/vcs/cdist
+cdist_copy=${cdist_dir}/other/examples/remote/chroot/copy
+cdist_exec=${cdist_dir}/other/examples/remote/chroot/exec
+
+cd ${tmpdir}
+
+# get alpine chroot / extract
+wget -c ${alpine_url} -O alpine.tar.gz
+mkdir ${root_dir}
+chmod 0755 ${root_dir}
+cd ${root_dir}
+sudo tar xvfz ${tmpdir}/alpine.tar.gz
+
+# enable networking
+sudo cp /etc/resolv.conf ${root_dir}/etc/
+sudo sudo chroot ${root_dir} apk update
+
+sudo ${cdist_dir}/bin/cdist config -vv -c ${dot_cdist} \
+     --remote-copy "${cdist_copy} ${root_dir}" \
+     --remote-exec "${cdist_exec} ${root_dir}" ${hostname}

mailer

@@ -0,0 +1,25 @@
+#!/bin/sh
+
+if [ $# -ne 4 ]; then
+    echo "$0 subject from bcc-addr addressfile"
+    echo "f.i. $0 'How are you?' 'Some Body <from@example.com>' 'another@example.com' ./addresses "
+    echo "Address file format: | Name | Mail |"
+    exit 1
+fi
+
+subject=$1; shift
+from=$1; shift
+bcc=$1; shift
+addresses_file=$1; shift
+
+
+while read line; do
+    name=$(echo $line | awk -F '|' '{ print $2 }' | sed -e 's/^ *//' -e 's/ *$//')
+    email=$(echo $line | awk -F '|' '{ print $3 }' | sed -e 's/^ *//' -e 's/ *$//')
+
+    sed "s/PERSON/$name/" mail | \
+        mail -s "$subject" \
+             -r "$from" \
+             -b "$bcc" \
+             "$name <$email>"
+done < "$addresses_file"

mainemacs

@@ -1,2 +1,3 @@
 #!/bin/sh
-emacs --funcall "mu4e" --name mainemacs
+# emacs --funcall "mu4e" --name mainemacs
+emacsclient -c -e '(mu4e)'

mount-loch

@@ -1 +1 @@
-sshfs nutzer@loch:/ ~/.loch
+sshfs loch:/ ~/.loch

myssh.sh

@@ -0,0 +1,17 @@
+#!/bin/sh
+# SSH for people who did not sleep long enough
+# Changes background colour to red for remote and resets to LightYellow2 after
+# the session is finished
+#
+# Inspiration by Stefan Baur
+# Coded by Nico Schottelius, 2020-01-19
+#
+# Copying: GPLv3
+
+printf '\033]10;black\007'
+printf '\033]11;red\007'
+echo ''
+ssh "$@"
+printf '\033]11;LightYellow2\007'
+printf '\033]10;black\007'
+echo ''

notebook-stats

@@ -3,7 +3,9 @@
 exec 2>&1
 
 if [ $# -ge 1 ]; then
-    printf "Estimated location\n\n$@\n\n"
+    printf 'Estimated location\n\n'
+    echo "$@"
+    printf '\n\n'
 fi
 
 printf 'My IP addresses\n\n'

start-post-i3

@@ -6,9 +6,9 @@ i3-msg 'workspace 2; append_layout ~/.i3/workspace-2.json'
 i3-msg 'workspace 10'
 
 # Start programs afterwards and watch matching
-#if command -v firefox; then
-#    firefox &
-if command -v chromium; then
+if command -v firefox; then
+    firefox &
+elif command -v chromium; then
     chromium &
 elif command -v chromium-browser; then
     chromium-browser &
@@ -19,3 +19,6 @@ if [ -f /etc/arch-release ]; then
 else
     ssh-add </dev/null && mainemacs &
 fi
+
+# Dell XPS 13" 2-in-1
+xinput map-to-output  "WCOM48EC:00 056A:48EC Touchscreen"  eDP-1

sync-to

@@ -21,7 +21,9 @@ start=$(date)
 rsync -avS --delete --progress 	\
     --exclude /.cache \
     --exclude /.cdist/cache \
-    --exclude ~/temp/ \
+    --exclude /temp/ \
+    --exclude /.mu/ \
+    --exclude /Downloads/ \
 	"$@" 			\
 	~/ "$dst"
 end=$(date)

wireguard-fix-endpoint.sh

@@ -0,0 +1,51 @@
+#!/bin/sh
+# 2020-01-19
+# Nico Schottelius
+# Periodically fix the wireguard endpoint
+
+endpoint=vpn-2a0ae5c1.ungleich.ch
+tunnel=wgungleich
+config=/etc/wireguard/${tunnel}.conf
+
+endpoint=$(grep -i ^endpoint ${config}  | cut -d= -f2)
+host=$(echo $endpoint| cut -d: -f1)
+port=$(echo $endpoint| cut -d: -f2)
+publickey=$(grep -i ^publickey ${config}  | cut -d= -f2)
+
+# If wireguard is up, but with the wrong endpoint
+# (v4 address in an v6 only network or
+# v6 address in an v4 only network) the routing of
+# wireguard can break connectivity (i.e. AllowedIPs = ::/0
+# breaks IPv6 connectivity)
+
+# Thus we first need to shutdown the wireguard VPN to confirm
+# it's not wireguard preventing us to access the endpoint itself.
+# It would certainly be better to not needing to shut it down,
+# however I don't see a reliable way without skipping the wireguard
+# set `ip rule`
+
+wg-quick down ${tunnel}
+
+# Now do the DNS lookups, which should work without a tunnel up
+# (they also might have been prevented by wireguard up in the incorrect
+# address family)
+v6_addr=$(dig +short $endpoint aaaa)
+v4_addr=$(dig +short $endpoint a)
+
+v6_ok=""
+v4_ok=""
+
+ping -c3 $v6_addr >/dev/null && v6_ok=yes
+ping -c3 $v4_addr >/dev/null && v4_ok=yes
+
+# Now verify/check what is reachable
+if [ $v6_ok ]; then
+    wg-quick up ${tunnel}
+    wg set wgungleich peer ${publickey} endpoint ${v6_addr}:${port}
+elif [ $v4_ok ]; then
+    wg-quick up ${tunnel}
+    wg set wgungleich peer ${publickey} endpoint ${v4!_addr}:${port}
+else
+    echo "The endpoint ${endpoint} is unreachable, try again later" >&2
+    exit 1
+fi