bridge problems solved...

... in realtime...

echo 0 > /proc/sys/net/bridge/bridge-nf-call-iptables

... maybe check also this...

  "You need to manually `modprobe br_netfilter` to get this directory."

  @ https://askubuntu.com/questions/645638/directory-proc-sys-net-bridge-missing

... maybe make persistent... (not tested)...

@ /etc/sysctl.conf

net.bridge.bridge-nf-call-arptables = 0
net.bridge.bridge-nf-call-ip6tables = 0
net.bridge.bridge-nf-call-iptables = 0

net.bridge.bridge-nf-filter-pppoe-tagged = 0
net.bridge.bridge-nf-filter-vlan-tagged = 0

# sysctl -p /etc/sysctl.conf
# reboot

... otherwise, try...

@ /etc/ufw/sysctl.conf

net/bridge/bridge-nf-call-arptables = 0
net/bridge/bridge-nf-call-ip6tables = 0
net/bridge/bridge-nf-call-iptables = 0

# reboot

double levi girandola

gear better this way

simple magnetic gear...

... lego compatible :)

... poorly working draft above (next step: hexagonal)
... and fails bellow (aka: evolution)

first prints... :D

first: fail... :) , first success, alphabit logo :D

unfold mesh

https://wiki.blender.org/index.php/Extensions:2.6/Py/Scripts/Import-Export/Paper_Model

https://blender.stackexchange.com/questions/72493/how-to-unfold-an-entire-mesh-into-a-flat-object-not-uv-unwrap

remove all .Trash-1000

find / -name .Trash-1000 -exec rm -rv {} \; 2> /dev/null

WEB GL ... :D

https://openjscad.org/

https://threejs.org/

Orange pi GPIO

http://www.instructables.com/id/Orange-Pi-One-Python-GPIO-basic/

https://diyprojects.io/orange-pi-onelite-tutorial-use-gpio-python-pinouts/

APIs...

https://github.com/duxingkei33/orangepi_PC_gpio_pyH3

https://opi-gpio.readthedocs.io/en/latest/

turning off the desktop manager

# In order to make text boot the default under systemd

# as root...

systemctl set-default multi-user.target

# add file ::: /etc/systemd/system/getty@tty1.service.d/autologin.conf

  [Service]

  ExecStart=

  ExecStart=/sbin/agetty -a r --noclear %I $TERM

  Type=idle

# To change back to booting to the GUI, use...

# systemctl set-default graphical.target

# ----------------------------
# to start X automatically after login at the first console

# as your user...
# add a line to ~/.bashrc or ~/.bash_aliases

echo '[[ `tty` == "/dev/tty1" ]] && startx' >> ~/.bash_aliases

direct google image search url

... alike...

http://images.google.com/search?tbm=isch&q=rainbows+not+as+gay+as+you+might+think

30 Types of 3D Printer Filament

https://all3dp.com/best-3d-printer-filament-types-pla-abs-pet-exotic-wood-metal/

you are are all so unnecessarily sad :(

Refused to display ... in a frame because it set 'X-Frame-Options' to 'SAMEORIGIN'

add/delete ip address

ip address add 192.168.99.37/24 dev eth0

ip address del 192.168.99.37/24 dev eth0

orange pi zero + pinout

http://lucsmall.com/2017/01/19/beginners-guide-to-the-orange-pi-zero/

The Man Who Planted Trees