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  1. Blog
  2. Stéphane Graber
Stéphane Graber

Stéphane Graber

63 posts

Software Engineer

Stéphane Graber is the former technical lead for LXD at Canonical Ltd. Stéphane has been involved with Ubuntu for years and currently sits on the Ubuntu Technical Board and Ubuntu Developer Membership board. He is a member of the Ubuntu Release team as well as an Ubuntu Archive administrator and Ubuntu Stable Release team member. Outside of his work on containers, Stéphane also has very strong networking knowledge as the former maintainer of the Ubuntu networking stack and large scale system administration knowledge from previous jobs. Stéphane is one of the organizers of the Containers mini-summit during the Linux Plumbers Conference, a regular presenter at LinuxCon and has been involved in many other Ubuntu and container specific events and hackfests.

Stéphane Graber
28 August 2017

LXD Weekly Status 12

Cloud and server Article

This article originally appeared at the Linux Containers forum Introduction This week saw the release of LXD 2.17 and it’s now quickly rolling out to our users. We’re still very busy with preparation work for LXC 2.1 with a tentative release date of Monday next week. A lot of work has gone into our snap package, including ...

Stéphane Graber
23 August 2017

LXD 2.17 has been released

Cloud and server Article

The changes in this release include New features: Add support for specifying the ceph user (using the “ceph.user.name” property) Implement “instance types” as an easy way to specify limits (e.g. “lxc launch ubuntu:16.04 -t t2.micro”) Add a new “lxc query” command as a low level query tool for the LXD API (similar to curl but ...

Stéphane Graber
21 August 2017

LXD: Weekly status #11

Cloud and server Article

Introduction This week has been pretty busy, with the most time consuming work being: More preparation for the upcoming LXC 2.1 release (getting very close now). Dealing with a massive (500+) backlog of patches for the LXC 1.0 and 2.0 stable branches. Quite a bit of refactoring in LXD around the daemon struct and database ...

Stéphane Graber
14 August 2017

LXD: Weekly Status #10

Cloud and server Article

Debconf17 Christian Brauner (@brauner) and Stéphane Graber (@stgraber) were attending Debconf17 in Montreal.We had the opportunity to catch up with colleagues, friends and users. Stéphane gave a talk about LXD and system containers on Debian, a recording is available: http://gemmei.ftp.acc.umu.se/pub/debian-meetings/2017/debconf17/an-intr ...

Stéphane Graber
15 June 2017

Custom user mappings in LXD containers

Cloud and server Article

Introduction As you may know, LXD uses unprivileged containers by default. The difference between an unprivileged container and a privileged one is whether the root user in the container is the “real” root user (uid 0 at the kernel level). The way unprivileged containers are created is by taking a set of normal UIDs and ...

Stéphane Graber
15 June 2017

Custom user mappings in LXD containers

Cloud and server Article

Introduction As you may know, LXD uses unprivileged containers by default. The difference between an unprivileged container and a privileged one is whether the root user in the container is the “real” root user (uid 0 at the kernel level). … Continue reading → ...

Stéphane Graber
29 March 2017

USB hotplug with LXD containers

Cloud and server Article

USB devices in containersIt can be pretty useful to pass USB devices to a container. Be that some measurement equipment in a lab or maybe more commonly, an Android phone or some IoT device that you need to interact with.Similar to what I wrote recently about GPUs, LXD supports passing USB devices into containers. Again, similarly to the G ...

Stéphane Graber
28 March 2017

NVidia CUDA inside a LXD container

Cloud and server Article

GPU inside a container LXD supports GPU passthrough but this is implemented in a very different way than what you would expect from a virtual machine. With containers, rather than passing a raw PCI device and have the container deal … Continue reading → ...

Stéphane Graber
6 March 2017

Run your own LXD demo server

Cloud and server Article

The LXD demo serverThe LXD demo server is the service behind https://linuxcontainers.org/lxd/try-it.We use it to showcase LXD by leading visitors through an interactive tour of LXD’s features.Rather than use some javascript simulation of LXD and its client tool, we give our visitors a real root shell using a LXD container with nesting ena ...

Stéphane Graber
27 February 2017

LXD client on Windows and macOS

Cloud and server Article

LXD on other operating systems? While LXD and especially its API have been designed in a mostly OS-agnostic way, the only OS supported for the daemon right now is Linux (and a rather recent Linux at that). However since all … Continue reading → ...

Stéphane Graber
27 February 2017

LXD 2.0: Debugging and contributing to LXD [12/12]

Cloud and server Article

This is the twelfth and last blog post in this series about LXD 2.0. Introduction This is finally it! The last blog post in this series of 12 that started almost a year ago. If you followed the series from the beginning, … Continue reading → ...

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