saas

What is Docker (and Linux containers?)

A while ago, around the release of the Linux kernel version 3, the concept of namespaces and containerization was introduced through a module called lxc (Linux containers). The idea behind a container is sort of similar to the idea of a virtual machine. For example, with virtualisation, you have a server (the ‘host’ ) running something like KVM or VMware. The machines running under it are called guests. They are fully self-contained computers, running on…