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Explanation of everything you can see in htop/top on Linux

https://peteris.rocks/blog/htop/
119•theanonymousone•3h ago

Comments

TheChaplain•1h ago
This is really good!

I use htop often but pretty much only use it to find pid or cpu-culprits, and never really understood the rest.

bwnkl•1h ago
For pid I find pgrep to be the better suited tool
wyclif•1h ago
I've had this bookmarked since 2016, and have referred to it many times over the years.
fractorial•1h ago
Anyone else feel as if HN is healing? I hope this isn't the walking-ghost era of HN.
conqrr•1h ago
3 AI related articles on the front page, but one is busting slop. I'm hopeful.
thijson•1h ago
For top if you use the > character it will sort by memory usage. I use that sometimes to figure out why my host is becoming laggy. Also you'll see swapd is taking up CPU.
amelius•1h ago
A bit silly that you can see a load average but not the amount of Watts used by your system.
cogman10•1h ago
2 Settings I change on every htop which makes a HUGE difference.

1. I disable user threads. Those mostly just clutter up the htop view while providing no useful information.

2. I enable the process tree view. Very frequently, where a process comes from is much more important than other information. It also lets you see and track things like a compiler process which is eating through a bunch of files.

IMO, both these things should be the default behavior of htop.

amelius•1h ago
Nowadays most of my processing happens on the GPU, so htop/top better evolve or become mostly irrelevant.
FpUser•40m ago
Irrelevant for you does not mean irrelevant for others
amelius•33m ago
Nails and hammers are great but most of us have moved on to screws and screwdrivers.

What good does it do to stick your head in the sand?

CPUs are great for orchestrating work, GPUs are great for actually doing the work.

FpUser•25m ago
>"What good does it do to stick your head in the sand?"

Get the fuck out. I do write for GPU as well. One does not replace the other.

imrehg•59m ago
I've relatively recently migrated over to using btop[0], and it's the kind of modern interface, useful and informative, that I needed.

As others mention it - it seems to shows the Watts used as well :) (and network, and GPU, and disks,....)

[0]: https://github.com/aristocratos/btop

MomsAVoxell•37m ago
Yup, btop zealot here, it even replaced iStatMenu on my brand new MacBook ..
MomsAVoxell•37m ago
s/htop/btop/

You'll be glad you did.

Potential session/cache leakage between workspace instances or consumer accounts

https://github.com/anthropics/claude-code/issues/74066
89•chatmasta•1h ago•25 comments

Explanation of everything you can see in htop/top on Linux

https://peteris.rocks/blog/htop/
121•theanonymousone•3h ago•15 comments

Astrophysicists Puzzle over Webb’s New Universe

https://www.quantamagazine.org/astrophysicists-puzzle-over-webbs-new-universe-20260702/
117•jnord•6h ago•63 comments

Maybe you should learn something

https://www.marginalia.nu/log/a_135_learn/
271•tylerdane•11h ago•135 comments

Postgres data stored in Parquet on S3: LTAP architecture explained

https://www.databricks.com/blog/lakebase-ltap-rethinking-database-storage
97•andrenotgiant•3d ago•26 comments

What ORMs have taught me: just learn SQL (2014)

https://wozniak.ca/blog/2014/08/03/1/index.html
6•ciconia•3d ago•2 comments

The bottleneck might be the air in the room

https://blog.mikebowler.ca/2026/07/03/co2-and-decision-making/
558•gslin•8h ago•330 comments

Breaking the Bird Barrier: Scientist Decodes Zebra Finch Language

https://www.freepressjournal.in/education/breaking-the-bird-barrier-scientist-decodes-zebra-finch...
21•yyyk•3d ago•3 comments

Performance per dollar is getting faster and cheaper

https://www.wafer.ai/blog/glm52-amd
304•latchkey•17h ago•122 comments

Leanstral 1.5: Proof abundance for all

https://mistral.ai/news/leanstral-1-5/
304•programLyrique•16h ago•86 comments

Night Witches – all-female Soviet aviator regiment WW2

https://en.wikipedia.org/wiki/Night_Witches
44•gverrilla•3d ago•14 comments

Costco is the anti-Amazon

https://phenomenalworld.org/analysis/the-anti-amazon/
479•bookofjoe•1d ago•445 comments

Mir Books – Books from the Soviet Era

https://mirtitles.org
129•clmul•3d ago•64 comments

The Vespa at 80: Why the Italian scooter remains the coolest thing on 2 wheels

https://www.cbc.ca/news/world/vespa-italy-postwar-design-9.7252641
70•cf100clunk•3d ago•69 comments

Giant trees have no trouble pumping water to top branches: new research

https://news.exeter.ac.uk/faculty-of-environment-science-and-economy/giant-trees-have-no-trouble-...
240•hhs•16h ago•105 comments

A martian rock has lots of carbon on it, and it's not clear why

https://arstechnica.com/science/2026/07/a-martian-rock-has-lots-of-carbon-on-it-and-its-not-clear...
16•Brajeshwar•1h ago•0 comments

Steam Controller Auto-Charge – pilot to magnetic charging puck using CV

https://github.com/FossPrime/Steam-Controller-Auto-Charge
171•zdw•16h ago•40 comments

Agentic coding notes from Galapagos Island

https://danluu.com/ai-coding/#appendix-agentic-loops-and-writing-this-post
141•gm678•10h ago•67 comments

FreeBSD ate my RAM

https://crocidb.com/post/freebsd-ate-my-ram/
172•theanonymousone•20h ago•72 comments

MSI Center – How to gain SYSTEM privileges in seconds

https://mrbruh.com/msicenter/
121•MrBruh•14h ago•50 comments

Jamesob's guide to running SOTA LLMs locally

https://github.com/jamesob/local-llm
377•livestyle•1d ago•170 comments

Synthesis is harder than analysis

https://surfingcomplexity.blog/2026/07/03/synthesis-is-harder-than-analysis/
121•azhenley•12h ago•30 comments

How working memory could give rise to consciousness

https://www.scientificamerican.com/article/how-working-memory-could-give-rise-to-consciousness/
14•bookofjoe•1h ago•14 comments

2026 Unslop AI-Written Fiction Contest Results

https://www.hyperstitionai.com/unslop-results
41•networked•9h ago•106 comments

SearXNG: A free internet metasearch engine

https://github.com/searxng/searxng
246•theanonymousone•19h ago•69 comments

The firefighting system of the Van der Heyden brothers in 17th century Amsterdam

https://worksinprogress.co/issue/how-amsterdam-invented-the-fire-department/
116•zdw•16h ago•22 comments

Odin, Wikipedia and engagement farming

https://katamari64.se/posts/2026/odin-wikipedia/
202•stock_toaster•16h ago•284 comments

New serious vulnerabilities spiked around release of Claude Mythos Preview

https://epoch.ai/data-insights/cve-severity-spike
137•cubefox•18h ago•59 comments

Does average person understand that all disc media dies too?

7•kingleopold•1h ago•11 comments

Ship traces journey Spanish Armada sailors made in 1588

https://www.irishtimes.com/ireland/2026/06/30/it-is-a-huge-honour-ship-traces-journey-spanish-arm...
18•austinallegro•3d ago•10 comments