///////////////////////////////////////////////// // 0. Basics ///////////////////////////////////////////////// /* Setup Scala: 1) Download Scala – http://www.scala-lang.org/downloads 2) Unzip/untar to your favorite location and put the bin subdir in your `PATH` environment variable */ /* Try the REPL Scala has a tool called the REPL (Read-Eval-Print Loop) that is analogous to commandline interpreters in many other languages. You may…
Docker is an easy way of packaging your application deployment bundle of code and platform and OS dependencies in one distributable package container. There is nothing for the DevOps to install or configure on bare metal hardware or cloud. It’s as simple as copying the docker package onto the machine and running Docker which will…
COMMAND or CODE USAGE EXAMPLES eval “$(ssh-agent -s)” ssh-add -l Adding a new SSH key to the ssh-agent. List the public key fingerprint. Before adding a new SSH key to the ssh-agent, you should have: Check for existing SSH keys Generate a new SSH key # start the ssh-agent in the background eval “$(ssh-agent…
VI is a Unix terminal editor. These are the common key mappings. Headline text Vi has two modes insertion mode and command mode. The editor begins in command mode, where the cursor movement and text deletion and pasting occur. Insertion mode begins upon entering an insertion or change command. [ESC] returns the editor to…
