Rafael Kiyohiro Une rafaelune

Lists images

$ docker images

Removes an image

$ docker rmi <image-id>

Code First Migrations - Entity Framework

Enable migrations for your context.

  PM> Enable-Migrations

Creates scaffold for the next migration based on changes you have made to your model since the last migration was created.

List all available packages of a source.

  PM> Get-Package -ListAvailable

Find the "jquery" on the list of available packages of a source.

Installing ruby

  $ rvm install 1.9.2
  $ rvm use 1.9.2
  $ ruby -v

To list all installed versions of ruby

  $ git init

	# searches files inside jars
	find foo/ -name "*.jar" \| xargs grep Hello.class

	locate "*.jar" \| xargs grep Hello.class

	# displays memory usage
	free -m

	# change permissions
	chmod u=rwx,g=rx,o=r myfile