Check out the new projects site for A-i-S www.adventuresinsilicon.com

Tuesday, November 12, 2019

Fixing a slow apt-get (disable ipv6)

I hit this issue on a raspi 3 running Ubuntu.

I was getting ~4000 B/s so a small download was going to take 6 hours.

https://www.techrepublic.com/article/how-to-fix-the-slow-apt-get-update-issue-on-linux-machines/

Turned off ipv6 as per the above article and it went back to normal speeds.

Sunday, June 30, 2019

DD WRT WDS for the Apocolypse



Next Steps

* set up BACKBONE-1 with Internet access to be able to test the connection (PPPoE)
* Set up BACKBONE-3 on WDS
* Add security

* Flash BACKBONE-3 with

Sunday, February 4, 2018

ROS on TinkerBoard (armhf Ubuntu)

Using:
ASUS Tinkerboard
Sandisk Class 10 16 GB SD card

Image: Armbian_5.38_Tinkerboard_Ubuntu_Xenial_default_4.4.112_desktop
(legacy kernel as at 4-Feb-18)

Following steps to install ROS for:
OS: Ubuntu
ROS: Lunar

Flavour of ROS: Desktop (not desktop-full)

Following instructions here is error free:
http://wiki.ros.org/lunar/Installation/Ubuntu


The standard TinkerBoard image is debian arm64 based. For ROS lunar, only supports Ubuntu packages for armhf, there is arm64.

Therefore the easiest path to getting ROS lunar running on the TinkerBoard is to use Armbian 5.38 and install the Ubuntu packages.


Thursday, January 4, 2018

Wide spread CPU issue

https://arstechnica.com/gadgets/2018/01/whats-behind-the-intel-design-flaw-forcing-numerous-patches/