Add DNS options to each ethernet interface

How to add DNS options to each connected ethernet interface via bash:

for device in $( nmcli device | awk '($2=="ethernet" && $3=="connected") {print $1}'); do
printf "1) %s" "$device interface BEFORE value"
nmcli con show $device | grep ipv4.dns-options:
nmcli con mod $device +ipv4.dns-option rotate,timeout:3
printf "2) %s" "$device interface AFTER value"
nmcli con show $device | grep ipv4.dns-options:
printf "3) restarted NetworkManager\n"
systemctl restart NetworkManager
sleep 1
printf "4) show update /etc/resolv.conf\n\n"
cat /etc/resolv.conf


FortiClient SSL VPN: failure stages

FortiClient SSL VPN failure stages and what they mean. If FortiClient fails as the following stages, the likely cause is as follows:

  • 10% – Local Network/PC issue
  • 40% – Application or the Fortigate causing the error, occasionally caused by the local machines/network setup
  • 45% – MultiFactor Authentication
  • 80% – Username/Password issue
  • 98% – corruption of services/often resolved by reinstalling the client on the laptop.

Docker CLI and Dockerfile Cheat Sheet


How Emerging Technologies Are Impacting Industries – Chuck Brooks

Netflix load times….

The Comfort Zone

The Comfort Zone

The Profitability Challenge for Challenger Banks

The challenge to scale and become a global financial services company.

Source Fincog

Raspberry PI powered Minecraft jack-o’-lantern

For Halloween this year you may print a large Minecraft jack-o’-lantern after running across this model.

This jack-o’-lantern plays Minecraft music and causes a big RGB LED cube to flicker; when a proximity sensor is tripped, it plays a random spooky noise and flashes the LED red.

Here is the complete write-up, with schematics and such.

Data for every decision

Using the right kind of data for every decision: the perspective of data science community.

#datascientists #artificialintelligence #ai