# \#unikernel **URL:** https://discuss.ocaml.org/tag/unikernel/381.md [Latest](https://discuss.ocaml.org/latest.md) · [Categories](https://discuss.ocaml.org/categories.md) · [Tags](https://discuss.ocaml.org/tags.md) --- ## [\[ANN\] Solo5 0.12.0](https://discuss.ocaml.org/t/ann-solo5-0-12-0/18320)
**Author:** [@hannes](https://discuss.ocaml.org/u/hannes)\ **Replies:** 0\ **Last updated:** [July 2, 2026, 7:15pm UTC](https://discuss.ocaml.org/t/ann-solo5-0-12-0/18320 "2026-07-02T19:15:09Z")
We are delighted to announce the release of Solo5 0.12.0. This has two distinct features: a new hvt backend for DragonFlyBSD nvmm, thanks to first-time contributor Michael Neumann, and soft power-off of virtio unikernels … --- ## [\[ANN\] Solo5, a sandboxed execution environment for unikernels](https://discuss.ocaml.org/t/ann-solo5-a-sandboxed-execution-environment-for-unikernels/18191)
**Author:** [@dinosaure](https://discuss.ocaml.org/u/dinosaure)\ **Replies:** 0\ **Last updated:** [May 29, 2026, 3:58pm UTC](https://discuss.ocaml.org/t/ann-solo5-a-sandboxed-execution-environment-for-unikernels/18191 "2026-05-29T15:58:35Z")
I am delighted to announce the release of Solo5.0.11.0. This release is significant as it marks the start of performance improvements for our unikernels in OCaml. Although the project is written in C, it is a cornerston… --- ## [\[ANN\] Mollymawk and Albatross orchestrating all virtual machines](https://discuss.ocaml.org/t/ann-mollymawk-and-albatross-orchestrating-all-virtual-machines/17988)
**Author:** [@hannes](https://discuss.ocaml.org/u/hannes)\ **Replies:** 11\ **Last updated:** [April 21, 2026, 12:48pm UTC](https://discuss.ocaml.org/t/ann-mollymawk-and-albatross-orchestrating-all-virtual-machines/17988 "2026-04-21T12:48:01Z")
Dear everyone, we just finished and deployed Albatross and Mollymawk to support virtual machines that are not MirageOS unikernels. The reasoning is simple: we embedded so many nice features (metrics, console output, de… --- ## [\[ANN\] ptt, a mailing list system as unikernel](https://discuss.ocaml.org/t/ann-ptt-a-mailing-list-system-as-unikernel/17987)
**Author:** [@dinosaure](https://discuss.ocaml.org/u/dinosaure)\ **Replies:** 0\ **Last updated:** [April 15, 2026, 11:05am UTC](https://discuss.ocaml.org/t/ann-ptt-a-mailing-list-system-as-unikernel/17987 "2026-04-15T11:05:04Z")
Hey! We just launched a new mailing list powered entirely by OCaml unikernels. The website (itself a unikernel) is at https://mailingl.st. You can subscribe to ptt@mailingl.st by sending an email to ptt-subscribe@mailing… --- ## [\[ANN\] mnet, a new TCP/IP stack for unikernels in OCaml](https://discuss.ocaml.org/t/ann-mnet-a-new-tcp-ip-stack-for-unikernels-in-ocaml/17851)
**Author:** [@dinosaure](https://discuss.ocaml.org/u/dinosaure)\ **Replies:** 0\ **Last updated:** [February 26, 2026, 4:43pm UTC](https://discuss.ocaml.org/t/ann-mnet-a-new-tcp-ip-stack-for-unikernels-in-ocaml/17851 "2026-02-26T16:43:59Z")
I am pleased to announce a series of releases for developing unikernels with OCaml 5 and Miou. After extensive testing, we are now able to offer a new TCP/IPv4 and IPv6 stack in OCaml that aims to replace mirage-tcpip an… --- ## [\[ANN\] blame, a simple webapp as an unikernel](https://discuss.ocaml.org/t/ann-blame-a-simple-webapp-as-an-unikernel/17588)
**Author:** [@dinosaure](https://discuss.ocaml.org/u/dinosaure)\ **Replies:** 0\ **Last updated:** [December 10, 2025, 4:20pm UTC](https://discuss.ocaml.org/t/ann-blame-a-simple-webapp-as-an-unikernel/17588 "2025-12-10T16:20:02Z")
I am pleased to announce the development of blame, a unikernel that provides a search engine in the form of a web interface based on an email archive. This work is sponsored by NLnet as part of our PTT project. For more… --- ## [13th MirageOS retreat in Marrakesh, Morocco (November 20th - 26th 2023)](https://discuss.ocaml.org/t/13th-mirageos-retreat-in-marrakesh-morocco-november-20th-26th-2023/12781)
**Author:** [@hannes](https://discuss.ocaml.org/u/hannes)\ **Replies:** 0\ **Last updated:** [August 7, 2023, 1:56pm UTC](https://discuss.ocaml.org/t/13th-mirageos-retreat-in-marrakesh-morocco-november-20th-26th-2023/12781 "2023-08-07T13:56:30Z")
Hey, in November there’ll be the next retreat taking place in Marrakesh, Morocco. Happy to see old and new faces there, everyone is welcome (an interest in OCaml/MirageOS is nice to bring with you). Further information… --- ## [\[ANN\] B·o·B, an universal & secure peer-to-peer file-transfer in OCaml](https://discuss.ocaml.org/t/ann-b-o-b-an-universal-secure-peer-to-peer-file-transfer-in-ocaml/10833)
**Author:** [@dinosaure](https://discuss.ocaml.org/u/dinosaure)\ **Replies:** 7\ **Last updated:** [December 14, 2022, 4:29pm UTC](https://discuss.ocaml.org/t/ann-b-o-b-an-universal-secure-peer-to-peer-file-transfer-in-ocaml/10833 "2022-12-14T16:29:49Z")
I am very pleased to announce the experimental distribution of Bob available on this website. Bob is an OCaml-based file-sharing application. For the Robur team, this is our first application using the Esperanto project … --- ## [MirageOS in production](https://discuss.ocaml.org/t/mirageos-in-production/7978)
**Author:** [@egoholic](https://discuss.ocaml.org/u/egoholic)\ **Replies:** 1\ **Last updated:** [June 8, 2021, 9:26am UTC](https://discuss.ocaml.org/t/mirageos-in-production/7978 "2021-06-08T09:26:15Z")
Please share our use cases for Mirage OS. I’m mostly interested in: build, CI/CD pipelines hosting application architecture. Do you use MirageOS for SOA/micro-services architectures or you prefer different approaches/t… --- ## [\[ANN\] First release of paf, a simple MirageOS layer for HTTP/AF](https://discuss.ocaml.org/t/ann-first-release-of-paf-a-simple-mirageos-layer-for-http-af/7229)
**Author:** [@dinosaure](https://discuss.ocaml.org/u/dinosaure)\ **Replies:** 0\ **Last updated:** [February 8, 2021, 5:11pm UTC](https://discuss.ocaml.org/t/ann-first-release-of-paf-a-simple-mirageos-layer-for-http-af/7229 "2021-02-08T17:11:30Z")
I’m glad to announce the first release of paf, a simple MirageOS layer for http/af with a TLS support. Two simple unikernels exist into the distribution to show how to use paf with MirageOS. $ cd unikernel/client $ mira… --- ## [Parallel unikernel instances](https://discuss.ocaml.org/t/parallel-unikernel-instances/6185)
**Author:** [@sahana123](https://discuss.ocaml.org/u/sahana123)\ **Replies:** 3\ **Last updated:** [August 5, 2020, 2:51pm UTC](https://discuss.ocaml.org/t/parallel-unikernel-instances/6185 "2020-08-05T14:51:20Z")
Hi, Is it possible to run multiple unikernels on the same machine and have a broadcast to all these unikernels? One thing that I tried was to use DHCP server to allocate an IP address to unikernel. But I am not able to… --- ## [Building irmin FS store on Mirage Os unikernel](https://discuss.ocaml.org/t/building-irmin-fs-store-on-mirage-os-unikernel/6040)
**Author:** [@sahana123](https://discuss.ocaml.org/u/sahana123)\ **Replies:** 1\ **Last updated:** [June 29, 2020, 8:10am UTC](https://discuss.ocaml.org/t/building-irmin-fs-store-on-mirage-os-unikernel/6040 "2020-06-29T08:10:07Z")
I am trying to build a irmin FS store on mirage OS. module Store = Irmin\_unix.Git.FS.KV(Irmin.Contents.String) (\* Database configuration \*) let config = Irmin\_git.config ~bare:true "/tmp/irmin/test" …