Development

Topics in developing software, firmware, hardware or web projects

Documentation
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Sysadmin & DevOps
PowerShell: Adding Privileges to a User
For PowerShell on Windows, adding a security privilege to a user takes more effort than one would expect. Here we show a method with no third party dependencies.
Documentation
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Alpine Linux as a server
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Developing
Modifying install images
Modifying packages that are part of the install diskless boot (e.g. on install media), or the parameters that can be accepted by the boot process, is a little more involved than modifying individual packages, especially for netboot images.
$A picture of a Raspberry Pi connected to the JTAG port of Netgear\nrouter, with special effects added\n$
Documentation
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ARM development
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ARM virtualization
Old school manual ARM for Libvirt/KVM
Create a non-EFI (old school) ARM hardfloat virtual machine for Libvirt/KVM using a traditional interactive Debian install.
$A picture of a Raspberry Pi connected to the JTAG port of Netgear\nrouter, with special effects added\n$
Documentation
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ARM development
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ARM virtualization
UEFI manual ARM for Libvirt/KVM
Create an UEFI (newish) ARM hardfloat (32-bit) virtual machine for Libvirt/KVM using a traditional interactive Debian install.
$A picture of a Raspberry Pi connected to the JTAG port of Netgear\nrouter, with special effects added\n$
Documentation
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ARM development
Fast builds of armel software on Linux x64
The fastest and most practical way to build software for armel is to cross-compile on an x86_64 machine even for a Linux 2.6-series kernel
Blog
May 6, 2025
Experiment: Negative on Electron on Yocto
As part of his work for Ambient Activity Daniel experimented with building Electron under Yocto in order to build a new firmware for the ABBY. This turns out to be impractical for a small development team, but he developed some useful bits in the process.
Blog
Feb 17, 2025
Ucode-based mountpoint command for OpenWrt
Due to OpenWrt issue 13873 the author needed a version of the mountpoint command for OpenWrt. Since they wanted to learn ucode, they coded the command in this interesting ECMAscript-like language¹. This may be moot as enabling the busybox mountpoint applet could be more space-efficient, but the author enjoyed the exercise.
Blog
Feb 11, 2024
Power BI M Code Date Table
For Power BI, if your data source does not already have a date dimension table, Microsoft strongly recommends adding one in Power Query M-code. Here we show how to do that for a fiscal year date table.