DevOps is a philosophy that emphasizes collaboration between development and operations teams. The goal of DevOps is to speed up the delivery of software while maintaining high levels of quality and security. Collaboration is key to the success of a DevOps team. In this chapter, we will explore the different ways in which development and […]

Memento Mori refers to the philosophical reminder of death’s inevitability. You could leave life right now. Let that determine what you do and say and think. It helps you remember the good things without arrogance and to let the bad things go with indifference. You control whether you waste time getting upset by things. And […]

Amor fati is a phrase that may be translated as “love of one’s fate”. It is used to describe an attitude in which one sees everything that happens in one’s life, including suffering and loss, as good or, at the very least, necessary. You take what you can from life. You use it as fuel. […]

vagrant destroydefault: Are you sure you want to destroy the ‘default’ VM? [y/N] y==> default: Destroying VM and associated drives…There was an error while executing VBoxManage, a CLI used by Vagrantfor controlling VirtualBox. The command and stderr is shown below.Command: [“unregistervm”, “71cc684f-d03a-4369-af9c-ac199d7bf9b7”, “–delete”]Stderr: VBoxManage: error: Cannot unregister the machine ‘CnC_default_1643660523119_45689’ while it is lockedVBoxManage: error: […]

for f in .; do pre=”${f%.}”; suf=”${f##.}”; mv -i -f — “$f” “${pre//./_}.${suf}”; done

ls -1 | wc -l