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Bryan Cantrill on Jails and Solaris Zones

PapersWeLove · 34.2K views · 2016-03-03 · 1:45:47

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Overview

Bryan Cantrill's Papers We Love talk on FreeBSD Jails and Solaris Zones, tracing how OS-level virtualization grew out of chroot and the limits of the traditional UNIX security model.

On Hacker News

Recommended repeatedly as the best account of container history and how Zones built on and went beyond Jails.

Recommended by 6 HN people across 6 months · HN mentions 2016–2025

Topics

Operating systems & kernelsSecurity & hacking
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jailssolaris zonescontainersunix securitybryan cantrill

What people said

panick21_ · 2024-07 · Strong recommendation

I highly recommend this talk, talking about Jails and Zones. Jails was first, but Zones took a lot of lessens from it and went further. [VIDEO]

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ketralnis · 2016-07 · Strong recommendation

Bryan Cantrill has a wonderful talk about exactly this in Illumos that I recommend at every opportunity [VIDEO]

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yakubin · 2023-02 · Recommendation

FreeBSD jails were released in 2000 in FreeBSD 4.0. Solaris Zones in 2004/2005. In fact, the original Solaris Zones paper cites jails as inspiration. Jails: Confining the omnipotent root (2000): < [LINK] > Solaris Zones: Operating System Support for Consolidating Commercial Workloads (2004): < [LINK] > Originally, jails didn't virtualise the network stack. That was added later, in FreeBSD 8.0 with VNETs, which were buggy for a long time, but went through extensive testing and are enabled by default since FreeBSD 12.0 (quite recently). Solaris Zones went a step further than the original design, and run a separate network stack for each zone from the start, years before FreeBSD did. BTW, recommended talk about those topics: Papers We Love: Jails and Zones: < [VIDEO] >

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Sources

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Data and selection notes

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