Gamification of a Linux system administration course

System administration isn’t something that’s obvious to everyone, and it’s a subject that, when it’s more to do with the basics of networking and Linux, can seem a lot more daunting than learning about the latest trendy technologies (Docker, Terraform, Kubernetes, etc.). Also, with the bombardment of information and easy access to computer content and tutorials often more interesting than “classic” lectures, students are less and less attentive, present or participating. [Read More]

Give IPv6 connectivity to its Docker containers using an IPv6 block from its ISP

It may seem surprising that a modern service like Docker does not offer IPv6 in containers by default, especially when in a network with IPv6. In fact, for the same reason we saw in the introductory article, since the containers are in a virtual network, they cannot be reached by the box/router distributing the IPv6 subnet. The same phenomenon can be observed with IPv4: each container has an IPv4 in a subnet separate from the one in which our host machine is located. [Read More]

Use the additional IPv6 blocks of the Free and Orange network

With Free and Orange, when IPv6 is not disabled, the Freebox (and some Livebox) provide a /64 IPv6 range to the connected equipment. But it turns out that it is a /60 range that is available and usable by each subscriber. This represents a total of 8 addressable /64 networks. Let’s see what it can be used for and how to use it. IPv6 reminders Contrary to IPv4, with IPv6 one avoids making NAT, i. [Read More]