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Linux kernel hacker and maintainer etc.

OpenPGP: 3AB05486C7752FE1
jarkko

Jarkko Sakkinen

Edited 1 year ago
#coredumpctl is pretty cool! I tried it first time yesterday while debugging a SIGSEGV issue with mbsync (aka isync, I hate this name ambiguity) in #Fedora.

I'm surprised that mbsync segfaults with Fedora 40 given despite being niche it is a popular choice among kernel developers.

EDIT: s/journalctl/coredumpctl/ ;-)

#linux #gdb #systemd
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jarkko

Jarkko Sakkinen

Edited 1 year ago
#Gmail is my #landfill.

I prefer to register web crap there because then I don't have to spend my #email time on unsubscribing the silly notifications that they keep sending.

Then I go there every six months or so and delete All Mail because garbage is all it contains.

#subscription #lifehack
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jarkko
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xairy@infosec.exchange

Andrey Konovalov

Edited 1 year ago

The dedicated slab buckets series by @kees has been merged into 6.11.

This change allows putting chosen dynamically-sized slab allocations into separate caches instead of generic kmalloc ones.

Patch: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=b32801d1255be1da62ea8134df3ed9f3331fba12
@LWN's overview: https://lwn.net/Articles/965837/

So far, only msg_msg [1] and memdup [2] allocations got their own buckets.

1: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=734bbc1c97ea7e46e0e53b087de16c87c03bd65f
2: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=d73778e4b86755d527a0c6b249cde846770b2f66

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jarkko

Jarkko Sakkinen

this is almost like art https://computernewb.com/vncresolver/browse/#id/43056785
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jarkko
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vncresolver@fedi.computernewb.com

VNC Resolver

IP Address: 108.165.96.183
Port: 5900
Location: Boca Raton, Florida 🇺🇸
ASN: AS398395 Dot-Tech LLC
Client Name: wimpywoodpeck
Hostname: None
ComputerNewb ID: 51606348
https://computernewb.com/vncresolver/browse/#id/51606348

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jarkko

Jarkko Sakkinen

Tk powers! #tcl #tk
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jarkko

Jarkko Sakkinen

"gimme gimme gimme gimme step step step step crush crush crush crush" -Tupac Shakur on Trump 1992 ;-) I agree with this description.

https://www.youtube.com/watch?v=GL-ZoNhUFmc
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jarkko

Jarkko Sakkinen

life quality improved https://github.com/StanlsSlav/ghidra #nsa #ghidra #catppuccin
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jarkko

Jarkko Sakkinen

#mbsync always crashes here in #Fedora (even when compiled from upstream):

Program terminated with signal SIGSEGV, Segmentation fault.
#0 0x000055d33068a967 in sync_chans (mvars=0x7ffef80ee330, ent=<optimized out>) at /usr/src/debug/isync-1.4.4-8.fc40.x86_64/src/main.c:906
906 char *sname = boxes[N] ? boxes[N][sb] : NULL;

Any ideas? I used coredumpctl to discover this location but for comparative testing I also compiled the latest upstream of mbsync, and it crashes in the exact same location.

#isync
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jarkko

Jarkko Sakkinen

I try ask URL from #iCloud with this simple snippet of #cURL:

curl -Lv -X PROPFIND \
     --header "Depth: 0" \
     -u 'jarkko.sakkinen:$(pass site/icloud.com./vdirsyncer)' \
     https://contacts.icloud.com/.carddav/wellknown

Cutting out the relevant part of the server response I get 401:

< HTTP/1.1 401 Unauthorized
< Server: AppleHttpServer/b866cf47a603

I do have app password generated. My iCloud is two-factor authenticated with #Yubikey but again I have the app password.

Any ideas/tips?

#vdirsyncer

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jarkko

Jarkko Sakkinen

#amiga samplers: https://www.youtube.com/watch?v=i9MXYZh1jcs #commodore
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jarkko

Jarkko Sakkinen

Edited 1 year ago
I've been super-satisfied after month of using #foot: https://codeberg.org/dnkl/foot

Can highly recommend this. For us who don't like our #terminal fat but #st [1] is over the top ;-) Also, #Wayland only.

My history with terminals goes like that during "X era" was urxvt but after that my choice has been swinging. This feels home in that sense.
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jarkko

Jarkko Sakkinen

My social media profile here is #ssod i.e. spam screen of death. #bsod

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jarkko

Jarkko Sakkinen

I guess #Linux is old, given that it is older than #BSOD!

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jarkko

Jarkko Sakkinen

Edited 1 year ago

Steve Ballmer invented blue screen of death for Windows 3.1 apparently.

https://www.youtube.com/watch?v=I14b-C67EXY

#bsod #microsoft #windows #developers

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jarkko

Jarkko Sakkinen

#systemd has #bsod too https://www.freedesktop.org/software/systemd/man/latest/systemd-bsod.service.html.

Have not witnessed this tho and not sure if it is only for boot or what is its scope.
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jarkko

Jarkko Sakkinen

Edited 1 year ago
The history of CTRL+Z https://devblogs.microsoft.com/oldnewthing/20040316-00/?p=40233

The Old New thing is my current fav #blog for sure.
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jarkko

Jarkko Sakkinen

Now that I have #isync working, the next thing I'm gonna do is to setup #vdirsyncer to sync my contacts and calendar from #iCloud, and access my contacts and calendar with khard and khal. #email #contacts
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jarkko

Jarkko Sakkinen

kruder & dorfmeister classic https://www.youtube.com/watch?v=YDk9mc4HV2Q
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jarkko
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7666@comp.lain.la

7666

Did you know Windows 10 still ships with all of the historical windows icons from the past decades? Look at these beauties.
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