jm + vms   4

A Virtual Machine in Excel
'Ádám was trying his hand at a problem in Excel, but the official rules prohibit the use of Excel macros. In a daze, he came up with one of the most clever uses of Excel: building an assembly interpreter with the most popular spreadsheet program. This is a virtual Harvard architecture machine without writable RAM; the stack is only lots and lots of IFs.'
vms  excel  hacks  spreadsheets  coding 
december 2014 by jm
Dockerize
A tool to manage inter-container dependencies so that continuous delivery with Jenkins and Docker is feasible. Looks very helpful
docker  provisioning  vms  containers  dockerize  jenkins  continuous-delivery  continuous-integration 
october 2013 by jm
Docker: Git for deployment
Docker is to deployment as Git is to development.

Developers are able to leverage Git's performance and flexibility when building applications. Git encourages experiments and doesn't punish you when things go wrong: start your experiments in a branch, if things fall down, just git rebase or git reset. It's easy to start a branch and fast to push it.

Docker encourages experimentation for operations. Containers start quickly. Building images is a snap. Using another images as a base image is easy. Deploying whole images is fast, and last but not least, it's not painful to rollback.

Fast + flexible = deployments are about to become a lot more enjoyable.
docker  deployment  sysadmin  ops  devops  vms  vagrant  virtualization  containers  linux  git 
august 2013 by jm
Vagrant and Chef to provision dev test environments
We have recently switched from a manually configured development environment to a nearly fully automated one using Vagrant, Chef, and a few other tools. With this transition, we’ve moved to an environment where data on the dev boxes is considered disposable and only what’s checked into the SCM is “real”. This is where we’ve always wanted to be, but without the ability to easily rebuild the dev environment from scratch, it’s hard to internalize this behavior pattern.
dev  osx  chef  vagrant  testing  vms  coding 
june 2013 by jm

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