Thursday, 2 September 2021

Stretch to Buster upgrade issues: "Grub error: symbol ‘grub_is_lockdown’ not found", missing RTL8111/8168/8411 Ethernet driver and RTL8821CE Wireless adapter on Linux Kernel 5.10 (and 4.19)

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I have been Debian Stretch running on my HP Pavilion 14-ce0000nq laptop since buying it back in April 2019, just before my presence at Oxid...
Wednesday, 10 July 2019

Rust: How do we teach "Implementing traits in no_std for generics using lifetimes" without students going mad?

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Update 2019-Jul-27: In the code below my StackVec type was more complicated than it had to be, I had been using StackVec<'a, &...
Thursday, 4 July 2019

HOWTO: Rustup: Overriding the rustc compiler version just for some directory

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If you need to use a specific version of the rustc compiler instead of the default, the rustup documentation tells you how to do that . F...
Saturday, 15 June 2019

How to generate a usable map file for Rust code - and related (f)rustrations

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Intro Cargo does not produce a .map file, and if it does, mangling makes it very unusable. If you're searching for the TLDR, read fro...
Tuesday, 22 May 2018

rust for cortex-m7 baremetal

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Update 14 December 2018: After the release of stable 1.31.0 (aka 2018 Edition), it is no longer necessary to switch to the nightly channel t...
Thursday, 10 May 2018

"Where does Unity store its launch bar items?" or "Convincing Ubuntu's Unity 7.4.5 to run the newer version of PyCharm when starting from the launcer"

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I have been driving a System76 Oryx-Pro for some time now. And I am running Ubuntu 16.04 on it. I typically try to avoid polluting global n...
4 comments:
Friday, 26 January 2018

Detecting binary files in the history of a git repository

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Git, VCSes and binary files Git is famous and has become popular even in the enterprise/commercial environments. But Git is also infamous ...
3 comments:
Thursday, 11 January 2018

Suppressing color output of the Google Repo tool

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On Windows, in the cmd shell, the color control caracters generated by the Google Repo tool (or its windows port made by ESRLabs ) or git ap...
Saturday, 25 March 2017

LVM: Converting root partition from linear to raid1 leads to boot failure... and how to recover

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I have a system which has 3 distinct HDDs used as physucal volumes for Linux LVM. One logical volume is the root partition and it was inital...
2 comments:
Thursday, 10 December 2015

HOWTO: Setting and inserting/using MS Word 2013 document properties in the body of the document

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I wrote this so I won't forget it and for others to find, if confronted with the same issue. I hate Microsoft Office in all its incarn...
Saturday, 23 May 2015

HOWTO: No SSH logins SFTP only chrooted server configuration with OpenSSH

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If you are in a situation where you want to set up a SFTP server in a more secure way, don't want to expose anything from the server via...
1 comment:
Wednesday, 20 May 2015

Linksys NSLU2 adventures into the NetBSD land passed through JTAG highlands - part 2 - RedBoot reverse engineering and APEX hacking

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(continuation of Linksys NSLU2 adventures into the NetBSD land passed through JTAG highlands - part 1 ; meanwhile, my article was mentioned ...
Friday, 8 May 2015

Linksys NSLU2 adventures into the NetBSD land passed through JTAG highlands - part 1

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About 2 months ago I set a goal to run some kind of BSD on the spare Linksys NSLU2 I had. This was driven mostly by curiosity, after listeni...
Thursday, 30 April 2015

Linksys NSLU2 JTAG help requested

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Some time ago I have embarked on a jurney to install NetBSD on one of my two NSLU2-s. I have ran into all sorts of hurdles and problems whic...