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The future of Tezos on MirageOS
We are very glad to announce that Tarides has been awarded two new grants from the Tezos Foundation. Thanks to these new grants, Tarides will continue to work on the integration between Tezos and MirageOS. We believe that the secure deployment of blockchains is still a major challenge today, and tha…
Tarides wins the FIC 2020 startup award
We are very excited to announce that Tarides has won an award from the International Cybersecurity Forum (FIC 2020). Organized every year in Lille (France), the International Cybersecurity Forum has become the leading European event on cybersecurity and digital trust. Its main goal is to foster refl…
MirageOS talk at the Paris Open Source Summit
We are thrilled to have been selected by the Paris Open Source Summit committee to talk about “Secure-by-design IoT applications using MirageOS”. The Paris Open Source Summit is an annual event where you can connect to open-source communities and learn from tech leaders, project committers and C…
Introducing the GraphQL API for Irmin 2.0
With the release of Irmin 2.0.0, we are happy to announce a new package - irmin-graphql, which can be used to serve data from Irmin over HTTP. This blog post will give you some examples to help you get started, there is also a section in the irmin-tutorial with similar information. To avoid writing …
Irmin v2
We are pleased to announce Irmin 2.0.0, a major release of the Git-like distributed branching and storage substrate that underpins MirageOS. We began the release process for all the components that make up Irmin back in May 2019, and there have been close to 1000 commits since Irmin 1.4.0 released …
Mr. MIME - Parse and generate emails
We're glad to announce the first release of mrmime, a parser and a generator of emails. This library provides an OCaml way to analyze and craft an email. The eventual goal is to build an entire unikernel-compatible stack for email (such as SMTP or IMAP). In this article, we will show what is current…
Software Engineer
Decompress: Experiences with OCaml optimization
In our first article we mostly discussed the API design of decompress and did not talk too much about the issue of optimizing performance. In this second article, we will relate our experiences of optimizing decompress. As you might suspect, decompress needs to be optimized a lot. It was used by sev…
Software Engineer
An introduction to fuzzing OCaml with AFL, Crowbar and Bun
American Fuzzy Lop or AFL is a fuzzer: a program that tries to find bugs in other programs by sending them various auto-generated inputs. This article covers the basics of AFL and shows an example of fuzzing a parser written in OCaml. It also introduces two extensions: the Crowbar library which can …
Senior Software Engineer
Decompress: The New Decompress API
RFC 1951 is one of the most used standards. Indeed, when you launch your Linux kernel, it inflates itself according zlib standard, a superset of RFC 1951. Being a widely-used standard, we decided to produce an OCaml implementation. In the process, we learned many lessons about developing OCaml where…
Software Engineer
i-Lab 2019
We are thrilled to announce that Tarides is laureate of the 21st edition of the i-Lab innovation contest for its innovative technological solution: OSMOSE. Organized by the French Ministry of Higher Education, Research and Innovation in partnership with Bpifrance, the objective of this competition i…
Release of OCamlFormat 0.10
We are pleased to announce the release of OCamlFormat 0.10 (available on opam). There have been numerous changes since the last release, so here is a comprehensive list of the new features and breaking changes to help the transition from OCamlFormat 0.9. ocamlformat-0.10 now works on the 4.08 AST, a…
Senior Software Engineer
On the road to Irmin v2
Over the past few months, we have been heavily engaged in release engineering the Irmin 2.0 release, which covers multiple years of work on all of its constituent elements. We first began Irmin in late 2013 to act as a Git-like distributed and branchable storage substrate that would let us escape th…
An introduction to OCaml PPX ecosystem
These last few months, I spent some time writing new OCaml PPX rewriters or contributing to existing ones. It's a really fun experience. Toying around with the AST taught me a lot about a language I thought I knew really well. Turns out I actually had no idea what I was doing all these years. All jo…
Senior Software Engineer
7th MirageOS hack retreat
Let's talk sun, mint tea and OCaml: Yes, you got it, the MirageOS biennial retreat at Marrakesh! For the 7th iteration of the retreat, the majority of the Tarides team took part in the trip to the camels country. This is a report about what we produced and enjoyed while there. Charles-Edouard Lecat …
Software Engineer
Dune 1.9.0
Tarides is pleased to have contributed to the dune 1.9.0 release which introduces the concept of library variants. Thanks to this update, unikernels builds are becoming easier and faster in the MirageOS universe! This also opens the door for a better cross-compilation story, which will ease the addi…
Senior Software Engineer
Release of OCamlFormat 0.9
We are pleased to announce the release of OCamlFormat (available on opam). There have been numerous changes since the last release, so here is a comprehensive list of the new features and breaking changes to help the transition from OCamlFormat 0.8. Additional dependencies OCamlFormat now requires: …
Senior Software Engineer
Release of Base64
MirageOS is a library operating system written from the ground up in OCaml. It has an impossible and incredibly huge goal to re-implement all of the world! Looking back at the work accomplished by the MirageOS team, it appears that's what happened for several years. Re-implementing the entire stack,…
Software Engineer
How configurator reads C constants
Dune comes with a library to query OS-specific information, called configurator. It is able to evaluate C expressions and turn them into OCaml value. Surprisingly, it even works when compiling for a different architecture. How can it do that? …
Principal Software Engineer
MirageOS, towards a smaller and safer OS
Presentation about MirageOS in Lambda World Cadìz on October 26th …
Software Engineer
ocaml-git 2.0
I'm very happy to announce a new major release of ocaml-git (2.0). This release is a 2-year effort to get a revamped streaming API offering a full control over memory allocation. This new version also adds production-ready implementations of the wire protocol: git push and git pull now work very rel…
Software Engineer
OCamlFormat 0.8
We are proud to announce the release of OCamlFormat 0.8 (available on opam). To ease the transition from the previous 0.7 release here are some highlights of the new features of this release. The full changelog is available on the project repository. Precedence of options In the previous version you…
Senior Software Engineer
OCaml Workshop 2018
The OCaml Users and Developers Workshop brings together industrial users of OCaml with academics and hackers who are working on extending the language, type system and tools. OCaml 2018 was held on September 27th, 2018 in St. Louis, Missouri, USA, colocated with ICFP 2018. Check Tarides' talks: RFCs…
Software Engineer
Dune 1.2.0
After a tiny but important patch release as 1.1.1, the dune team is thrilled to announce the release of dune 1.2.0! Here are some highlights of the new features in that version. The full list of changes can be found in the dune repository. Watch mode When developing, it is common to edit a file, run…
Principal Software Engineer
Station F
We are thrilled to have been accepted into the Founders Progam's 3rd batch at Station F! Station F is "the only startup campus gathering a whole entrepreneurial ecosystem under one roof" and is providing 3000+ desks and 26 international startup programs. Our Paris offices are now located in that inc…
OCaml Users in Paris (OUPS)
Thomas Gazagnaire gave a presentation on MirageOS to the OCaml meetup in Paris. Check the slides for more details. …
MirageOS + Tezos funding
We are excited to announce that the Tezos Foundation will trust Tarides to package Tezos nodes as MirageOS unikernel, which will help participants establish nodes on the Tezos network in a more efficient and secure manner. …
Irmin usability enhancements
Zach Shipko is working on improving the UI/UX for Irmin. He is looking for feedback to make Irmin more accessible to potential users and clean up the rough edges for existing users. …
Senior Software Engineer
Invited lecture at ENS
Thomas Gazagnaire gave an invited lecture at the computer science department of ENS, in Paris. This was part of the system and network L3 course. Check the slides (in english) and the exercices (in french). …
HotPOST'18
Anil Madhavapeddy and Gemma Gordon presented our new operating system for connected buildings: OSMOSE to HotPOST’18. OSMOSE is based on MirageOS and Irmin and we hope to explore that area more in the coming months! …
An Architecture for Interspatial Communication
Position paper on “An Architecture for Interspatial Communication” accepted to HotPOST’18. …
