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Jarkko Sakkinen

Edited 1 month ago
For caffeine command the only included themes are Catpuccin variations, as it fits to the brand :-)

It uses https://codeberg.org/jarkko/nippu to bundle the default themes. I hate dangling files at ../share.

Started to post about ccd because it suddenly starts to look like an app. Has been totally unintentional and off-topic project :-)

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Jarkko Sakkinen

Edited 1 month ago
I've created over last few months or so a single pane filemanger called Caffeine Commander aka ccd:

1.It has a VFS layer.
2. It does not invoke external programs as subconsequence of its predefined actions.
3. It does not have plugins.
4. While not always unavoidable, minimizing and reducing the build configuration is a continuous goal.
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Jarkko Sakkinen

I have quite pretty big Yocto project to be published in near weeks/months including its own meta layer and complicated stuff such as OTA updates.

More on that later but https://github.com/siemens/kas was a great finding.

Unfortunately after working with Yocto for 2-3 weeks I found Kas only yesterday but was definitely worth of rewrite... (and i sleepless night)

Previously when working with Himmelblau Siemens surprised me with with linux-entra-sso browser extension. I guess they know how to deliver :-)
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Jarkko Sakkinen

Thank God I have one M2 Mini. It's life saver in aarch64 builds despite having to docker wrap them. And orbStack is great!
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Jarkko Sakkinen

"there's no place like lan" is trending :--)
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Jarkko Sakkinen

leveled up my localhost git hosting from ssh-to-NAS to separate git-account and forgejo :-)

life quality++
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Jarkko Sakkinen

xterm - still holding it ;-)
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Jarkko Sakkinen

Siemens is doing BTW amazing job in open source IMHO. Bumping a lof of to cool projects they have spinned off all the time.
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Jarkko Sakkinen

Reminder to myself:
npm config set prefix ~/.local
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Servo is now passing 1.9M subtests at wpt.fyi: 1,903,187 / 2,131,264 (89,3%) 🎉
See https://wpt.fyi/results/?product=servo

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Jarkko Sakkinen

reminder to myself: -DLUAJIT_DISABLE_FFI
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Jarkko Sakkinen

I think I also publish at some point my personal backup tool of which I've been using for ages in various forms. I don't know how backup tools work, never used them, and it has been implemented over that basis :-) This is actualy only backup tool I've ever used.

/* KOPIO on-disk format structures */

static const uint8_t KOPIO_MAGIC[8] =
{ 'K', 'O', 'P', 'I', 'O', '7', '7', '7' };
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Jarkko Sakkinen

Edited 1 month ago

“nippu - does one thing right”

https://codeberg.org/jarkko/nippu

I just need something simple and stupid as it is quite often :-)

I.e.,

#include <stdio.h>
#include <nippu/nippu.h>

int main(void)
{
	const struct nippu_node *node;
	const unsigned char *data;

	if (nippu_lookup(&assets, "/hello.txt", &node) != NIPPU_SUCCESS)
		return 1;
	if (!nippu_is_file(node))
		return 1;

	data = nippu_data(&assets, node);
	fwrite(data, 1, (size_t)nippu_size(node), stdout);
	return 0;
}
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Jarkko Sakkinen

I sometimes wonder how many of the people who think compiler injected safety checks are great have heard about icache :-)
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Jarkko Sakkinen

AI competition and deregulation in the United States have caused "pop-up" data centers to be created like mushrooms in the rain, and energy for them is largely produced with fossil fuels. Other resources, such as water, are also consumed in shocking amounts.

So remember that if you rely dominantly on agent infrastructure, it will come at the expense of basic human resources, and you will destroy the planet for future generations. Appealing to the economy is irrational, because the economy is always ultimately a virtual issue and a matter of contract.

Nvidia's hardware is quite bad in terms of energy use in terms of environmental specs, because it's half a graphics card, and not just for inference etc. designed. Only Google (maybe someone else) has energy efficiency in order, because they produce an ASIC designed for the purpose, the Tensor Processing Unit (TPU).

Tech is not problem, humans are once again. E.g., my use of inference in my sample browser pakki is probably example of such case as it runs smart sample search just fine on my X390 ThinkPad :-)
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Jarkko Sakkinen

Edited 1 month ago
Pakki - a sample browser i'm putting together :-) it has also AI and interference run with CPU/GPU (works fine on my X390 Thinkpad).

The only AI app I've made so far...

If there's a magic button that generates all the code in the world, I can only assume that everyone is pushing that button. How I adjust my focus on topics such as AI is to look into smaller scale not as crowded areas such as local AI, which has the similar optimization challenge as all optimization challenges I love :-)

1. pfffft for FFT
2. libonnxruntime for inference
3. https://github.com/LAION-AI/CLAP/ for epoch models.
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Jarkko Sakkinen

Edited 1 month ago
This is was hard one in its own way:

https://github.com/himmelblau-idm/himmelblau/pull/1079/changes/83c1b07599e75d8d4c86e7df4ddace3ff34383db

I.e. simple patch but finding exactly correct simple patch of unlimited choices was the sudoku here.

I left out dynamic update as it requires:

1. Detection of "no sessions for user" (probably through loginctl?).
2. Maintaining "no sessions" state while e.g. running recursive chown.

I did not figure this out yet and even if I had it appears to me to be at least complex in size as my initial patch. Since the current returns error on dynamic change, it leaves door open to add a opt-in flag for it later.

#himmelblau #linux #systemd
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Jarkko Sakkinen

Edited 1 month ago
created a vga esque home page to fit this ao486 leisure time work: https://jarkko.codeberg.page/

for 486 SX authenticity it uses 24:8 fixed point at run-time no floats :-)
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Jarkko Sakkinen

I decoupled the protected mode extender in ao486kit as its own project called TinyPM.

TinyPM is basically a single process protected mode kernel, which exists back to MS-DOS instead of shutting down when its only process dies.

TinyPM builds tpm.exe, which runs .TPM files, which are 32-bit relocatable binaries of their own format.

The project includes scripts:

- scripts/mktpm.lua: Takes base address zero 32-bit elf and creates a TPM file.
- scripts/linktpm.lua: Links tpm.exe and a .TPM file into a self-hosted executable.
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