Standard Deviation
Music and Lyrics by Adam Young, Copyright 2019All Rights Reserved When we Introducein to our search for truthdata gathered from the world outsideWe’re tempted to rejectmeasures as defectsspecimens...
View ArticleMore Personal Ansible
I can do anything. I can’t do everything. –Me Anything worth doing is worth doing in a way you can check in to git. To recall what I did from the command line, I should turn those actions into a...
View ArticleParsing a yum repo with XPath
https://gnome.pages.gitlab.gnome.org/libxml2/xmllint.htmlLets say you want to see what src RPMs are in a given yum repo. If the author used createrepo to create the yum repo, it should be an a fairly...
View ArticleWhy does rpmbuild perf.spec fail
The Linux Kernel git repo has a spec file that builds the Kernel RPM. However, it does not build perf or any of the other userland tools. I want to build a perf RPM using the same code as is used to...
View ArticleAlgebra VS Music Theory
Think of the algebraic formula:Y=5X+19Y and X are variables, but 5 and 19 are numbers. The numbers don’t change.In Algebra, we use letters as variables, and think of digit based numbers as the actual...
View ArticleThe development cycle
how to clean up code. run your code to make sure it works while (work_to_do){ make a small change test it commit to git } push to git server on local branch try it on another machine collapse git...
View ArticleFetching all packages from a Koji build
#bin/bash KOJI_URL=https://kojipkgs.fedoraproject.org/packages/kernel/6.12.0/0.rc3.20241015giteca631b8fe80.32.eln143/aarch64/ curl $KOJI_URL > aarch64.dir.html for PACKAGE in `xmllint --html...
View ArticleScoped versus unscoped RBAC
Role Based Access Control (RBAC) as defined by NIST is based on the concept of global roles. Global, in this case, means the scope of the application. So if you have the role of ADMIN, and you are in...
View ArticleWhat Processor do I have?
dmidecode -t processor | grep Version Version: Ampere(R) Altra(R) Processor Version: Ampere(R) Altra(R) Processor
View ArticlePreparing to send a patch to LKML
It took me a couple months to get back to my patch, and in the interim, I forgot everything about formatting a patch series to LKML. Here’s what I have remembered. There are a handful of tools I need...
View ArticleFreeIPA: whoami via curl
Assuming PRINCIPAL is your Kerberos principal and $IPASERVER is the FQDN of your server, you can query your identity on the IPA server via curl: kinit $PRINCIPAL curl -k -H...
View ArticleLong Refactoring: More loop cleanup
In my last article on the Long Refactoring series, I elided the process I went through to solve the bug. While preparing to turn the articles into a presentation, I went through the steps myself...
View ArticleLong Refactoring: Backtracking
Now that I have cleaned the loop up somewhat, we can continue with the process of refactoring the code. This is a continuation to the article series I started here. This next step really moves beyond...
View ArticleOptions for Git clone of a big repository
Cloning the Linux Kernel repository takes time. We don’t need every commit ever for our work. But we do need multiple branches. Here are some numbers for how long it takes to do various operations....
View Articlexmllint for xpath
Beaker one liner using xmllint: bkr job-results J:61 | xmllint --xpath /job/recipeSet/recipe/roles/role - <role value="RECIPE_MEMBERS"/> The dash at the end makes it read from stdin
View ArticleAdding stable to a blobless clone
We regularly sync various git repos from upstream to our company speicfic Linux repository. However, sometimes when working on a development machine, I need a branch from stable that we have not...
View ArticleGetting a File from gitlab using a TOKEN
I work on a system in our lab that I connect to via SSH. Fetching a file via the web and pushing it to this machine is quite slow, and I want to pull on this machine directly. The trick to make this...
View ArticleLong Refactoring: Generators
While the main solving function is now cleaned up, I am not very happy with the code that checks the validation on each cell. I am not going to go through each step here, as the pattern is well...
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Rust and Dependency Injection.
For years now I have wanted to write a DI framework for Rust like I wrote for C++:http://adam.younglogic.com/2008/07/dependency-injection-in-c/However, I have not been able to wrap my head around how...
View ArticleLong Refactoring: Resetting the class model
With the inclusion of the Generators, the main functions seem to be in the right shape. What seems off is the naming of things. For example, we have a couple functions that take a parameter named...
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