Docker swarm — How to use node labels

Node labels can be a powerful tool, a label is nothing more than a metadata of the node, imagine that we have two swarm nodes, one in a data-center named east and one in a data-center named west, lets label them based on the data-center

Docker swarm: High Availability

A Docker swarm is composed by nodes, nodes can be worker nodes or manager nodes.

Docker networking explained

Docker utilizes n architecture called Container Network Model (CNM) to manage container networking.

rsync examples: how to resume your interrupted copy and how to copy over a third host

How to copy a file/directory from a host to another who can communicate only by a 3rd host (Jump Host)

Docker swarm — services and high availability

Docker swarm allows you to deploy services distributed to the nodes of the swarm, this allows high availability and high performance of…

Linux: Repeat last command until exit code is equal to 0

Scenario: we want to repeat the last entered command which fails until it returns a system code of 0, the reason that potentially exits with !=0 is because of network problem