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Rooming with Mark

Yesterday, exactly twenty years ago my mobile rang while I was walking the dog. I had just returned from Sydney about a week ago (still battling with the last remains of my Jet-lag (I had never left Europe before!)) where I had attended the UbuntuDownUnder summit and had a 30min interview on the last day [ ]

Snap your Shell scripts !!!

A colleague recently talked me into buying one of these nifty HDMI to USB video capture dongles that allows me to try out my ARM boards attached to my desktop without the need for a separate monitor. Your video output just ends up in a window on your desktop this is quite a feature [ ]

Building snap packages on Ubuntu Core

I actually wanted to move on with the node-red series of blog posts, but noticed that there is something more pressing to write down first People (on the snapcraft.io forum or IRC) often ask about how would i build a package for Ubuntu Core If your Ubuntu Core device is i.e. a Raspberry Pi [ ]

Rebuilding the node-red snap in a device focused way with additional node-red modules

While there is a node-red snap in the snap store (to be found at https://snapcraft.io/node-red with the source at https://github.com/dceejay/nodered.snap) it does not really allow you to do a lot with it on i.e. a Raspberry Pi if you want to read sensor data that does not actually come in via the network The [ ]

Your own in-house snap factory

When working with customers on snaps and Ubuntu Core one of the most asked questions I get in calls and at events in booth discussions is about building your code in-house. Many companies simply do not allow their sources to leave the house yet many of these customers have also used https://build.snapcraft.io before for their [ ]

Using the new 12MP Pi cam for video conferencing on your desktop

So you got that awesome new Raspberry Pi High-Res camera that they released last week but you don t really know what to do with it ? Well, there is salvation, Ubuntu Core can turn it for you into a proper streaming device and help you with using it for your Zoom meetings giving you a [ ]

Attaching a CPU fan to a RPi running Ubuntu Core

When I purchased my Raspberry Pi4 I kind of expected it to operate under similar conditions as all the former Pi s I owned So I created an Ubuntu Core image for it (you can find info about this at Support for Raspberry Pi 4 on the snapcraft forum) Runnig lxd on this image off a [ ]

Building an Ubuntu Core appliance image

Creating an appliance image for a single purpose can be quite some effort- you need to take care of your application, need to build a safe root filesystem and make modifications to the system so it behaves the way you or the application expect it to behave. With Ubuntu Core,this effort becomes immediately a lot [ ]

Patching u-boot for use in an Ubuntu Core gadget snap

This is the second post in the series about building u-boot based gadget snaps, following Building u-boot gadget snap packages from source. If you have read the last post in this series, you have likely noticed that there is a uboot.patch file being applied to the board config before building the u-boot binaries. This post [ ]

Dock a Snap…

I recently had to help setting up an image build environment for UbuntuCore images for someone who only allows docker as infrastructure. When wanting to build an image from a blessed model assertion for i.e. the pi2, pi3 or dragonboard you need to use the snap known command (see below for the full syntax) to [ ]