diff --git a/dcl-rdns-generate.py b/dcl-rdns-generate.py
new file mode 100755
index 0000000..56e78b5
--- /dev/null
+++ b/dcl-rdns-generate.py
@@ -0,0 +1,74 @@
+#!/usr/bin/env python3
+
+import ipaddress
+import sys
+
+def hexstr2int(string):
+    return int(string.replace(':', ''), 16)
+
+FIRST_MAC = hexstr2int('02:00:b3:39:79:4d')
+FIRST_V4  = ipaddress.ip_address('185.203.112.2')
+FIRST_V6 =  "2a0a:e5c0:0:2:400:b3ff:fe39:794d"
+
+V6_NAT64_BASE = ipaddress.ip_address("2a0a:e5c0:0:1:0:1::")
+
+def v4_from_mac(mac):
+    """Calculates the IPv4 address from a MAC address.
+
+    mac: string (the colon-separated representation)
+    returns: ipaddress.ip_address object with the v4 address
+    """
+    return FIRST_V4 + (hexstr2int(mac) - FIRST_MAC)
+
+def v4_from_v6(ipv6ip):
+    """Calculates the IPv4 address from the IPv4 address
+
+    ipv6ip: the ip
+    returns: ipaddress.ip_address object with the v4 address
+    """
+
+    return FIRST_V4 + (hexstr2int(ipv6ip) - (hexstr2int(FIRST_V6)))
+
+def v6_from_v4(ipv4):
+    v4addr = ipaddress.ip_address(ipv4)
+    return V6_NAT64_BASE + int(v4addr)
+
+if __name__ == "__main__":
+    first_addr = ipaddress.ip_address(sys.argv[1])
+    last_addr = ipaddress.ip_address(sys.argv[2])
+
+    while True:
+        addr = first_addr.reverse_pointer
+        name = "{}.place5.ungleich.ch".format(str(first_addr).replace(":",""))
+        record = "{}. IN PTR {}.".format(addr, name)
+        record = "{}. IN AAAA {}".format(name, first_addr)
+
+        print(record)
+
+        if first_addr == last_addr:
+            break
+
+        first_addr += 1
+
+    sys.exit(0)
+
+    out = []
+
+    try:
+        out.append(v4_from_v6(addr))
+    except:
+        pass
+
+    try:
+        out.append(v6_from_v4(addr))
+    except:
+        pass
+
+
+    print("{}".format(out))
+
+# test.ch
+# 2a0a:e5c0:0:1:0:1:504a:8a8c
+# 80.74.138.140
+# 1347062412
+#
diff --git a/hole_mails b/hole_mails
index 06c2e05..abca28c 100755
--- a/hole_mails
+++ b/hole_mails
@@ -2,9 +2,10 @@
 
 # Tue Jul 18 15:13:45 CEST 2017
 securemail
-#fetchmail
 mbsync -a
 
+#fetchmail
+
 # Disabled by Mon Jun 20 10:56:19 CEST 2016 -- using mu now
 # notmuch new
 
diff --git a/lock-screen b/lock-screen
index 7c53347..1a45b7a 100755
--- a/lock-screen
+++ b/lock-screen
@@ -9,6 +9,9 @@
 # i3lock -i ~/.background.png --dpms --nofork
 
 # try to start - if it already runs it will just exit
-xscreensaver &
+if ! pgrep xscreensaver; then
+    xscreensaver -no-splash &
+    sleep 1
+fi
 
 xscreensaver-command -lock
diff --git a/securemail b/securemail
index e7c1068..e190f9c 100755
--- a/securemail
+++ b/securemail
@@ -33,24 +33,19 @@ if [ $# -ge 1 ]; then
     HOST=$1; shift
 fi
 
-#ssh -T -f -C -N \
-#    -L4241:mx.ungleich.ch:$SMTP         \
 #    -R :4242:localhost:22               \
-#    -D 3128 "$@"                        \
-#    "$HOST" && sendmail -q
-#
+
 ssh -T -f -C -N \
-    -L2323:mx.ungleich.ch:$IMAPS        \
-    -L4241:mx.ungleich.ch:$SMTP         \
+    -L[::1]:2323:localhost:$IMAPS        \
+    -L[::1]:4241:localhost:$SMTP         \
     -L2324:imap.googlemail.com:$IMAPS   \
     -L2325:mail.zhaw.ch:$IMAPS          \
     -L2326:imap.googlemail.com:$POP3S   \
-    -R :4242:localhost:22               \
-    -D 3128 "$@"                        \
     "$HOST" && sendmail -q
 
 # Fernzugriff
 # ssh -T -f -C -N -R4242:localhost:22 "$HOST"
+#    -D 3128 "$@"                        \
 
 #ssh -T -f -C -N -L2342:mx2.schottelius.org:$SMTP 62.65.138.66
 #ssh -T -f -C -N -L4242:imaps.schottelius.org:$IMAPS "$HOST"
diff --git a/start-post-i3 b/start-post-i3
index b8a0597..d63c737 100755
--- a/start-post-i3
+++ b/start-post-i3
@@ -1,14 +1,12 @@
 #!/bin/sh
 
 # Restore layouts
-i3-msg 'workspace 1; append_layout /home/users/nico/.i3/workspace-1.json'
-i3-msg 'workspace 2; append_layout /home/users/nico/.i3/workspace-2.json'
-i3-msg 'workspace 10; append_layout /home/users/nico/.i3/workspace-10.json'
+i3-msg 'workspace 1; append_layout ~/.i3/workspace-1.json'
+i3-msg 'workspace 2; append_layout ~/.i3/workspace-2.json'
+i3-msg 'workspace 10'
 
 # Start programs afterwards and watch matching
 chromium &
 # slack &
-#firefox &
-#choqok  &
 
 ssh-add </dev/null && mainemacs &
diff --git a/tune-mouse b/tune-mouse
index 0b1b873..5b4e494 100755
--- a/tune-mouse
+++ b/tune-mouse
@@ -1,12 +1,43 @@
 #!/bin/sh
 
+xinput set-prop "$(cat ~/.touchpad-name)" "libinput Natural Scrolling Enabled" 1
 
-# XPS 13
-# xinput set-prop "DLL0704:01 06CB:76AE Touchpad" "libinput Natural Scrolling Enabled" 1
+# Only continue if there is wacom stuff
+if ! xinput list | grep -i wacom -q; then
+    exit 0
+fi
 
-# lenovo x1 carbon 2016
-xinput set-prop "" "libinput Natural Scrolling Enabled" 1
-# xinput set-prop "SynPS/2 Synaptics TouchPad" "libinput Accel Speed" -0.5
+if [ $# -eq 1 ]; then
+    display=$1
+else
+    display=eDP1
+fi
 
-# Dell Latitude 5285
-#xinput set-prop "" "libinput Natural Scrolling Enabled" 1
+
+xsetwacom --set "Wacom HID 484C Finger touch" MapToOutput "$display"
+xsetwacom --set "Wacom HID 484C Pen stylus" MapToOutput "$display"
+
+if xinput list | grep -q Bamboo; then
+    devfinger="Wacom Bamboo 16FG 4x5 Finger touch"
+
+    xinput set-prop "$devfinger" "Device Enabled" 0
+
+    xsetwacom --set "Wacom Bamboo 16FG 4x5 Pen stylus" MapToOutput $display
+    xsetwacom --set "Wacom Bamboo 16FG 4x5 Pen eraser" MapToOutput $display
+
+fi
+
+exit 0
+
+# xinput set-prop "Wacom Bamboo 16FG 4x5 Finger pad" "Device Enabled" 0
+
+xsetwacom --set "Wacom Bamboo 16FG 4x5 Pen stylus" mode relative
+
+xinput set-prop "Wacom Bamboo 16FG 4x5 Pen stylus" "Device Accel Constant Deceleration" 4
+xinput set-prop "Wacom Bamboo 16FG 4x5 Pen stylus" "Device Accel Adaptive Deceleration" 2
+
+# Rotate so usb cable is not disturbing me
+# xinput set-prop 14 "Evdev Axis Inversion" 1 1
+# xsetwacom --set "Wacom Bamboo 16FG 4x5 Pen" MapToOutput LVDS1
+
+exit 0
diff --git a/until-event b/until-event
index ba7200c..8c49197 100755
--- a/until-event
+++ b/until-event
@@ -12,8 +12,9 @@ arrival="2017-01-24"; event="Algolabs exam"
 arrival="2017-01-30"; event="Algolabs exam 2"
 arrival="2017-02-07"; event="syssec"
 arrival="2017-08-21"; event="cil"
+arrival="2017-09-25"; event="euler-reinstallation"
 arrival="2018-02-02"; event="algolab-1"
 
 export arrival event
 
-python3 -c 'import os; import datetime; day=datetime.datetime.strptime(os.environ["arrival"], "%Y-%m-%d"); delta = day - datetime.datetime.now(); print("%s is %sd away" % (os.environ["event"], delta.days + 1))'
+# python3 -c 'import os; import datetime; day=datetime.datetime.strptime(os.environ["arrival"], "%Y-%m-%d"); delta = day - datetime.datetime.now(); print("%s is %sd away" % (os.environ["event"], delta.days + 1))'
diff --git a/wacom-tuning b/wacom-tuning
deleted file mode 100755
index 2a0ae08..0000000
--- a/wacom-tuning
+++ /dev/null
@@ -1,28 +0,0 @@
-#!/bin/sh
-
-if [ $# -eq 1 ]; then
-    display=$1
-else
-    display=LVDS1
-fi
-
-devfinger="Wacom Bamboo 16FG 4x5 Finger"
-
-xinput set-prop "$devfinger" "Device Enabled" 0
-
-#xsetwacom --set "Wacom Bamboo 16FG 4x5 Pen stylus" MapToOutput $display
-#xsetwacom --set "Wacom Bamboo 16FG 4x5 Pen eraser" MapToOutput $display
-
-exit 0
-# xinput set-prop "Wacom Bamboo 16FG 4x5 Finger pad" "Device Enabled" 0
-
-xsetwacom --set "Wacom Bamboo 16FG 4x5 Pen stylus" mode relative
-
-xinput set-prop "Wacom Bamboo 16FG 4x5 Pen stylus" "Device Accel Constant Deceleration" 4
-xinput set-prop "Wacom Bamboo 16FG 4x5 Pen stylus" "Device Accel Adaptive Deceleration" 2
-
-# Rotate so usb cable is not disturbing me
-# xinput set-prop 14 "Evdev Axis Inversion" 1 1
-# xsetwacom --set "Wacom Bamboo 16FG 4x5 Pen" MapToOutput LVDS1
-
-exit 0
diff --git a/x-at-home b/x-at-home
new file mode 100755
index 0000000..5cacf6e
--- /dev/null
+++ b/x-at-home
@@ -0,0 +1,4 @@
+#!/bin/sh
+
+x-off
+xrandr --output DP1 --right-of eDP1 --auto --rotate left
diff --git a/수산 b/수산
deleted file mode 120000
index e9b4575..0000000
--- a/수산
+++ /dev/null
@@ -1 +0,0 @@
-/bin/ls
\ No newline at end of file