What is Hackers' Pub?

Hackers' Pub is a place for software engineers to share their knowledge and experience with each other. It's also an ActivityPub-enabled social network, so you can follow your favorite hackers in the fediverse and get their latest posts in your feed.

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m.khan.co.kr/article/202504010

ํ•œ๊ตญ ์‚ฌํšŒ์˜ 120๋งŒ๋ช…๋Œ€์ธ ์ฐฝ์ž‘์ž, ๋ฐฐ๊ธ‰์‚ฌ์˜ ๋™์˜๋ฅผ ๊ฑฐ์น˜์ง€ ์•Š์€ AI์ƒ์„ฑ๋ฌผ ์ด์šฉ์ž ์‚ฌ๋ก€๋Š” ์ผ๋ถ€ ๊ฐœ์ธ์ด๋‚˜ ์ง‘๋‹จ์— ์˜ํ•œ ๋™์˜์—†์ด ์ฐฝ์ž‘โ€ข์œ ํฌ๋˜๋Š” AI์ƒ์„ฑ๋ฌผ๋กœ ์ธํ•ด ์ฐฝ์ž‘์žโ€ข๋ฐฐ๊ธ‰์‚ฌ์˜ ์†ํ•ด๋ผ๋Š” ๊ฒƒ์ด ์‚ฌํšŒ์ ์ธ ๋ฌธ์ œ๋กœ ๋‹ค๋ค„์•ผ ํ•  ๋ฌธ์ œ์ธ ๊ฒƒ์ด์ง€ ๊ฐœ์ธ์ ์ธ ์ผํƒˆ๋”ฐ์œ„๋กœ๋งŒ ์ทจ๊ธ‰ํ•ด์„œ๋Š” ์•ˆ๋œ๋‹ค๋Š” ๊ฒƒ์„ ๋งํ•ด์ฃผ๋Š” ๋“ฏํ•˜๋‹ค

์ด๋Ÿฐ ๋น„์œค๋ฆฌ์ ์ธ AI ์‚ฌ์šฉ์— ๋Œ€ํ•œ ์ œ์žฌ๋ฅผ ํ•  ๋งŒํ•œ ๋ฒ•์  ์žฅ์น˜๊ฐ€ ์•ž์œผ๋กœ๋„ ์ƒ๊ธฐ์ง€ ์•Š๋Š”๋‹ค๋ฉด ํ•œ๊ตญ์‚ฌํšŒ์˜ ๋ฌธํ™”์ปจํ…์ธ  ์ƒํƒœ๊ณ„์™€ ์ €๋ ฅ์€ ๊ณ„์†ํ•ด์„œ ํŒŒ๊ตญ์œผ๋กœ ์น˜๋‹ซ์„ ๊ฐ€๋Šฅ์„ฑ์ด ๋†’๋‹ค๋Š” ๊ฒŒ ๋‘๋ ต๋‹ค

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๋‹˜๋“ค์•„ ์‚ฌ์‹คํด๋ฆฌ๊ณค๋ฟ์•„๋‹ˆ๋ผ
๋‹˜๋“ค์ด๋ณด๋Š” ํฌ์ผ“๋ชฌ๋“ค๋„ ๋‹ค ํด๋ฆฌ๊ณค์ด์•ผ

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๐Ÿ’พ Rebooting Petabyte Control Node ๐Ÿ’พ

am rebooting one of the control nodes for a petabyte+ storage array, after 504 days of system uptime..

watching kernel log_level 6 debug info scroll by on the SoL terminal via iDrac..

logs scrolling, the array of SAS3 DE3-24C double-redundant SFF linked Oracle/Sun drive enclosures spin-up and begin talking to multipathd...

waiting for Zpool cache file import..

waiting.. 131 / 132 drives online across all enclosures.. hmm.. what's this now...

> transport_port_remove: removed: sas_addr(0x500c04f2cfe10620)

well ffs ๐Ÿ˜’

> 12:0:10:0: SATA: handle(0x0017), sas_addr(0x500c04f2cfe10620), phy(32),

oh, that's a SATA drive on the system's local enclosure bay for scratch data, it's not part of the ZFS pool.. ๐Ÿ˜Œ

next step, not today, move control nodes to a higher performance + lower wattage pair of FreeBSD servers ๐Ÿ’—

terminal screen showing the storage node's system uptijme prior to a service / maintenance reboot. text shows 504 days of uptime with load average: 33.12, 32.96, 32.94terminal screen showing a ZFS pool with many SAS3 drives in draid1, with dual optane nvme cache drives + dual deduplication drives and dual spare drives. top of screen shows a system log with some SAS related info from the kernel.terminal screen showing kernel logs from SAS3 enclosure debugging, post-reboot stageterminal screen showing the same ZFS pool, now having been imported after the node reboot cycle. scrub resilvered nice and quickly, no errors and all spares available.
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https://learnbyexample.github.io/learn_perl_oneliners/one-liner-introduction.html https://learnbyexample.github.io/learn_ruby_oneliners/one-liner-introduction.html

๋Œ€ํ™”ํ˜• ์‰˜ ํ™˜๊ฒฝ์—์„œ Perl / Ruby ํ•œ์ค„์งœ๋ฆฌ ์Šคํฌ๋ฆฝํŠธ๋ฅผ ์งœ๋Š” ๋ฐฉ๋ฒ•์„ ์†Œ๊ฐœ. awk/sed ๊ฐ™์€ ์Šคํฌ๋ฆฝํŠธ๋ฅผ ์“ฐ์ง€ ์•Š๊ณ ๋„, stdin์œผ๋กœ ๋„˜์–ด์˜จ ์ž…๋ ฅ์„ ๊ฐ€๋…์„ฑ ์žˆ๋Š” ์ฝ”๋“œ๋กœ ์ฒ˜๋ฆฌํ•˜๊ธฐ ์ข‹์Œ.

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ใ…‹ใ…Œใ…‹ใ…Œใ…‹ใ…‹ใ…‹ใ…‹ใ…‹ใ…‹ใ…‹ใ…‹ใ…‹ ์ด๋ถ„๋„ ๊ณ„๋ชฝ๋˜์…จ๋‹ค๊ณ  ์ž๊ธฐ ํŽ˜๋ถ์— ์˜ฌ๋ฆผ ์•„ ์˜ˆ, ๊ทธ๋Ÿฌ์‹œ๊ฒ ์ง€์š”......

RE: https://bsky.app/profile/did:plc:umhoa4vd5pp6y7ecqjvfaynl/post/3llrctzxiqk25

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์‹ ํ˜•์ „๋™์ฐจ์— ์žˆ๋Š” ๋ฌด์„ ์ถฉ์ „๊ธฐ.
๊ณ ์†์ถฉ์ „์€ ์ง€์›๋˜์ง€ ์•Š์œผ๋ฉฐ ์ผ€์ด์Šค๋ฅผ ์ œ๊ฑฐํ•˜๊ณ  ์ถฉ์ „ํ•˜๋Š” ๊ฒƒ์„ ๊ถŒํ•จ.

p.s : ๋ถ„์‹ค์ฃผ์˜!

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Are you a Misskey user or admin, fed up with the endless barrage of spambot accounts? Are you tired of spending hours and hours blocking each one by hand, and giving yourself horrible finger pain? Well, your worries are over!

https://yeen.town/play/a62hhxhjtk68017p

Introducing the Slop Chopโ„ข: the world's best username-based mass-blocking tool. Using our patented AiScriptโ“‡ technology,
it runs right inside Misskey - unlike those other tools, there's no pesky installation, and no messy Python venvs to clean up afterward!

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Congrats to @johnonolanJohn O'Nolan and the team at Ghost, which today announced a public beta for users to connect their publications to the fediverse. If you're in their beta, you'll be able to find, follow and interact with people and publications on platforms including Ghost, WordPress, Threads, Mastodon, BlueSky, Flipboard and more. Get details in the blogpost here. If you want to know more about Ghost's approach to decentralization and the open social web, check out John's DotSocial conversation with @mikeMike McCue at the second link.

ghost.org/changelog/social-web

flipboard.video/w/sQCNmXx332xi

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https://learnbyexample.github.io/learn_perl_oneliners/one-liner-introduction.html https://learnbyexample.github.io/learn_ruby_oneliners/one-liner-introduction.html

๋Œ€ํ™”ํ˜• ์‰˜ ํ™˜๊ฒฝ์—์„œ Perl / Ruby ํ•œ์ค„์งœ๋ฆฌ ์Šคํฌ๋ฆฝํŠธ๋ฅผ ์งœ๋Š” ๋ฐฉ๋ฒ•์„ ์†Œ๊ฐœ. awk/sed ๊ฐ™์€ ์Šคํฌ๋ฆฝํŠธ๋ฅผ ์“ฐ์ง€ ์•Š๊ณ ๋„, stdin์œผ๋กœ ๋„˜์–ด์˜จ ์ž…๋ ฅ์„ ๊ฐ€๋…์„ฑ ์žˆ๋Š” ์ฝ”๋“œ๋กœ ์ฒ˜๋ฆฌํ•˜๊ธฐ ์ข‹์Œ.

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ๆœๆŒฝใ„ใŸไธญ็…Žใ‚Šใฎใ‚ณใƒผใƒ’ใƒผ่ฑ†ใจไปŠๆŒฝใ„ใŸๆทฑ็…Žใ‚Šใฎใ‚ณใƒผใƒ’ใƒผ่ฑ†ใจ้‡ใ•ใŒ3ๆกใพใงใ„ใฃใ—ใ‚‡ใ ใฃใŸใฎใงไปŠๆ—ฅใฏใ„ใ„ใ“ใจใ‚ใ‚‹

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์˜์ƒ ๊ณต๊ฐœ๊ฐ€ ๋Šฆ์–ด์ง„ ์ด์œ ๋Š” "๊ณ„์—„๊ตฐ์˜ ๊ฐœ์ธ ์ •๋ณด ๋ณดํ˜ธ"๋ฅผ ์ด์œ ๋กœ ์˜์ƒ ํ™•๋ณด๊ฐ€ ์•ˆ ๋˜๋‹ค๊ฐ€ ํ”ผํ•ด ์ž…์€ ๋‹น์‚ฌ์ž ๊ธฐ์ž๊ฐ€ 707 ์ „ ๋‹จ์žฅ๊ณผ ๋ถ€๋Œ€์›์„ ๊ณ ์†Œํ•˜์—ฌ ๊ณ ์†Œ์ธ ์‹ ๋ถ„์œผ๋กœ ๊ตญํšŒ์ธก ์˜์ƒ์„ ์ œ๊ณต๋ฐ›์•˜๊ธฐ ๋•Œ๋ฌธ์ด๋ผ๊ณ  ํ•จ... ์ €๋“ค์ด ํญ๋ ฅ์œผ๋กœ ๊ถŒ๋ฆฌ์™€ ์กด์—„์„ ์ง“๋ฐŸ์€ ์‚ฌ๋žŒ๋“ค์ด ๋ถ„๋ช… ๋” ์žˆ์„ ๊ฑฐ๋ผ๊ณ  ์ƒ๊ฐ.

RE: https://bsky.app/profile/did:plc:a6qvfkbrohedqy3dt6k5mdv6/post/3llqpmdoe4k2y

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https://learnbyexample.github.io/learn_perl_oneliners/one-liner-introduction.html https://learnbyexample.github.io/learn_ruby_oneliners/one-liner-introduction.html

๋Œ€ํ™”ํ˜• ์‰˜ ํ™˜๊ฒฝ์—์„œ Perl / Ruby ํ•œ์ค„์งœ๋ฆฌ ์Šคํฌ๋ฆฝํŠธ๋ฅผ ์งœ๋Š” ๋ฐฉ๋ฒ•์„ ์†Œ๊ฐœ. awk/sed ๊ฐ™์€ ์Šคํฌ๋ฆฝํŠธ๋ฅผ ์“ฐ์ง€ ์•Š๊ณ ๋„, stdin์œผ๋กœ ๋„˜์–ด์˜จ ์ž…๋ ฅ์„ ๊ฐ€๋…์„ฑ ์žˆ๋Š” ์ฝ”๋“œ๋กœ ์ฒ˜๋ฆฌํ•˜๊ธฐ ์ข‹์Œ.

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ใƒฌใƒˆใƒญPC๏ผˆMSX๏ผ‰ใซ็งปๆคใ•ใ‚Œใชใ‹ใฃใŸใ‚Šใ€ๆฎ‹ๅฟต็งปๆคไฝœๅ“ใฎๆใ็›ดใ—ใ‚’็™บ่กจใ—ใฆใ„ใพใ™ใ€‚

X/witterใ‚„SNSใซๆŠ•ใ’ใŸใ‚‚ใฎใ‚’ไฝœๅ“ใ”ใจใซ note ใซใพใจใ‚ใฆใพใ™ใ€‚

note.com/yazioh/m/m380f66709b6

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Ubuntu 24.04.2 LTSใฎXubuntuใกใ‚ƒใ‚“ใฏ

1 device has a firmware upgrade available.
Run `fwupdmgr get-upgrades` for more information.

ใฃใฆใ€‚

$ sudo sh -c 'apt update; apt dist-upgrade -y; snap refresh'
:
The following upgrades have been deferred due to phasing:
ubuntu-drivers-common xserver-common xserver-xorg-core xserver-xorg-legacy
The following packages will be upgraded:
vim-common vim-nox vim-runtime vim-tiny xxd
5 upgraded, 0 newly installed, 0 to remove and 4 not upgraded.
5 standard LTS security updates
:
$ cat /var/run/reboot-required*
cat: '/var/run/reboot-required*': No such file or directory

$ fwupdmgr get-upgrades
Devices with no available firmware updates:
โ€ข SSD 970 EVO Plus 250GB
โ€ข System Firmware
System manufacturer System Product Name
โ”‚
โ””โ”€UEFI dbx:
:

ใ“ใฃใกใฏใ‚ˆใใ‚ใ‹ใ‚‰ใชใ„โ†

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Ubuntu 20.04.6 LTSใ‚‚ใ„ใฃใจใ“

$ sudo sh -c 'apt update && apt dist-upgrade -y'
:
0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.

ใ ใƒผใ‘ใƒผใฉใƒผ

$ cat /var/run/reboot-required*
*** System restart required ***
linux-image-5.4.0-212-generic
linux-base
$ sync; sync; sync; sudo reboot

(-ไบบ-)

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