Maybe we should revisit microkernels
Sat 25 July 2026 misc Microkernels If you want a complete description of what microkernels are then read the wikipedia article, but in one sentence it's a kernel where everything is in userspace except for scheduling, managing access to I/O devices, and IPC. Better security, better reliability, better modularity. Better security because in a muicrokernel system a bug in one driver only gives an attacker access to that subsystem (or maybe even that driver), as opposed to having unlimited access to the whole system like is the case with mainstream operating systems today.
- ▪Sat 25 July 2026 misc Microkernels If you want a complete description of what microkernels are then read the wikipedia article, but in one sentence it's a kernel where everything is in userspace except for scheduling, managing access to I/O
- ▪Better security, better reliability, better modularity.
- ▪Better security because in a muicrokernel system a bug in one driver only gives an attacker access to that subsystem (or maybe even that driver), as opposed to having unlimited access to the whole system like is the case with mainstream ope
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| Original publisher | notes |
| Canonical URL | https://notes.hella.cheap/maybe-we-should-revisit-microkernels.html |
| Publication time | Sat, 25 Jul 2026 17:13:07 -0500 |
| Retrieval time | 2026-07-26T10:34:30.525Z |
| Last seen | 2026-07-26T10:34:30.525Z |
| Headline source | Publisher (no WeSearch rewrite) |
| Excerpt source | publisher body |
| Excerpt method | First ~120 words (~800 chars) of extracted publisher body, fair-use limited. |
| Summary | WeSearch · cerebras-chat (WeSearch summarizer) |
| Summary source text | contentText |
| Citation coverage | Summary is a WeSearch-generated derivative; primary citation is the original publisher URL. |
| Cluster | DZCcLi7Nobnr |
| Cluster logic | Grouped by semantic title/content similarity across sources within a rolling window. Same-publisher template collisions are excluded from coverage comparison. |
| Ranking reason | Story pages are not engagement-ranked. Hub feeds use recency, with optional source-diversified chronological ordering (cap consecutive stories per source). No personalized ranking. |
| Publisher visit | Yes — open original |
| Substitutes article? | No — link-out required for full text |
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| Indexing | May the item be indexed (stored, ranked, made findable)? | Allowed |
| Snippet | May a short excerpt of the publisher's text be shown? | Allowed |
| AI summary | May WeSearch generate its own short summary of the article? | Limited |
| Retrieval / RAG | May the content be exposed for third-party retrieval-augmented generation? | Not asserted |
| Model training | May the content be used to train AI models? | Not asserted |
| Commercial reuse | May the content be reused commercially? | Not permitted |
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Opening excerpt (first ~120 words) tap to expand
Sat 25 July 2026 misc Microkernels If you want a complete description of what microkernels are then read the wikipedia article, but in one sentence it's a kernel where everything is in userspace except for scheduling, managing access to I/O devices, and IPC. Why microkernels? Better security, better reliability, better modularity. Better security because in a muicrokernel system a bug in one driver only gives an attacker access to that subsystem (or maybe even that driver), as opposed to having unlimited access to the whole system like is the case with mainstream operating systems today.
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Excerpt limited to ~120 words for fair-use compliance. The full article is at notes.
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