What is the difference between Docker and LXC?

LXC focuses on OS containerization, while Docker thrives on application containerization. Docker is single-purpose application virtualization, and LXC is multi-purpose operating system virtualization. In this case, LXC specializes in deploying Linux Virtual machines.

What is systemd Nspawn?

Description. systemd-nspawn may be used to run a command or OS in a light-weight namespace container. In many ways it is similar to chroot(1), but more powerful since it fully virtualizes the file system hierarchy, as well as the process tree, the various IPC subsystems and the host and domain name.

Is Docker built on top of LXC?

Docker technology was initially built on top of the LXC technology—what most people associate with “traditional” Linux containers—though it’s since moved away from that dependency. LXC was useful as lightweight virtualization, but it didn’t have a great developer or user experience.

Is systemd Nspawn secure?

Bookmark this question. Show activity on this post. Note that even though these security precautions are taken systemd-nspawn is not suitable for secure container setups. Many of the security features may be circumvented and are hence primarily useful to avoid accidental changes to the host system from the container.

What could manage containers created with systemd Nspawn?

Containers can be managed with the machinectl utility. We’ll take a brief look at its basic options. The last command will work if a systemd-compatible operating system is installed in the container. For operating systems using sysvinit, we have to use the terminate option.

Does Docker use LXD?

Running Docker in LXD You can use LXD to create your virtual systems running inside the containers, segment them as you like, and easily use Docker to get the actual service running inside of the container.

What is the best Linux for Docker?

Below is a list of the 6 best-operating systems for Docker available right now:

  • CoreOS. CoreOS works in conjunction with Linux CoreOS, which is a next-generation, single-purpose container OS technology.
  • RancherOS.
  • RedHat Project Atomic.
  • Snappy Ubuntu Core.
  • Alpine Linux.
  • Mesosphere DCOS.