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OSv – Linux binary compatible unikernel for virtualized environments

github.com Software & code Software projects Software engineering Candidate
Screenshot of github.com captured 2026-07-20
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Resurfaced independently across 3 calendar years, with breakout response in 2 of them.

submissions
4
submitters
4
observed span
2014–2020
peak thread · 64 comments
155 pts
latest 20+ return · 2020-12-13
155 pts

Submission timeline

2007–2026

One slot for every year since HN launched. Height is that year's peak points; orange marks a 100+ point or 50+ comment breakout. Select a bar to open its strongest thread.

First comments on top threads

HN comment order

I love it. We spent 30 years getting preemptive-multitasking working, and it is such a giant fragile pain in the a, that it is easier to just virtualize the whole damn computer rather than making different software play nice together (maybe run well together is more apropos). We have now come full circle. People want DOS. I have officially lived "long enough." Not too long, mind you, just long enough.

This is definitely a developing trend... seems to be catching on that most server applications are more or less single programs that just use the OS as an emulation layer so that applications don't need to come with their own low level drivers. Quite overkill if you're just trying to run java, node, ruby, whatever We're probably not too far off from java-as-the-os, node-as-the-os, etc. Substituting a hypervisor for Linux or whatever other OS you're using as the emulation layer…

bcg1·101-point thread·

The first top-level comment from each of the four biggest threads, in HN’s own order. Excerpts are shortened; open a comment for full context.

Breakout years
2

100+ points or 50+ comments

Total points
266

reference only — not used in Hall rules or ranking

Total comments
93

reference only — not used in Hall rules or ranking

Every submission

DateTitle as submittedByPointsComments
2014-01-15OSv, a new open-source operating system for virtual-machinesgaoprea30
2014-09-14OSv, a new operating system for the cloudmiralabs70
2015-04-23OSv, a new operating system for the cloudFirst breakoutxj910129
2020-12-13OSv – Linux binary compatible unikernel for virtualized environmentsBest thread · Latest 20+ point returnpeter_d_sherman15564