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…

Analysing system performance with ‘Top’

There are literally hundreds of guides on the Internet detailling how to use the ‘top’ command. A very handy command-line tool that has come with UNIX since back in the dark ages,…