Author Archives: s3hh

Ambient capabilities

There are several problems with posix capabilities. The first is the name: capabilities are something entirely different, so now we have to distinguish between “classical” and “posix” capabilities. Next, capabilities come from a defunct posix draft. That’s a serious downside … Continue reading

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Tiling windows in Unity

Using the compiz grid plugin, Unity supports placing windows, one at a time, in a tiled-like fashion. However, there is no support for tilling a workspace in one fell stroke. That is something which users of dwm, wmii, i3, xmonad, … Continue reading

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Publishing lxd images

While some work remains to be done for ‘lxc publish’, the current support is sufficient to show a full cycle of image workload with lxd. Ubuntu wily comes with systemd by default. Sometimes you might need a wily container with … Continue reading

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LXD 0.3

LXD 0.3 has been released. This version provides huge usability improvements over past versions. Getting started Here’s an example of quickly getting started on a fresh Ubuntu 15.04 VM: sudo add-apt-repository ppa:ubuntu-lxc/lxd-daily sudo apt-get update sudo apt-get install lxd sudo … Continue reading

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Introducing lxcfs

Last year around this time, we were announcing the availability of cgmanager, a daemon allowing users and programs to easily administer and delegate cgroups over a dbus interface. It was key to supporting nested containers and unprivileged users. While its … Continue reading

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Where does lxd fit in

Since its announcement, there appears to have been some confusion and concern about lxd, how it relates to lxc, and whether it will be taking away from lxc development. When lxc was first started around 2007, it was mainly a … Continue reading

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Live container migration – on its way

The criu project has been working hard to make application checkpoint/restart feasible. Tycho has implemented lxc-checkpoint and lxc-restart on top of that (as well as of course contributing the needed bits to criu itself), and now shows off first steps … Continue reading

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