RVM

• Install rvm

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  apt install gnupg2 gpg2 --keyserver hkp://keys.gnupg.net --recv-keys 409B6B1796C275462A1703113804BB82D39DC0E3 7D2BAF1CF37B13E2069D6956105BD0E739499BDB curl -L get.rvm.io | bash -s stable

• Install Ruby by rvm

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  source /etc/profile.d/rvm.sh rvm list known rvm requirements rvm install 2.5

Ruby

• Gemfile

MIQ

• Environment preparation
  • the default version of postgresql is 10
  • repo list of nodejs is put on /etc/apt/sources.list.d/nodesource.list

Postgresql

• list db and tables

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  \l \dt

rake

1

rake -T

ERD

Refer to: Rails ERD

1. modify Gemfile

1	gem 'rails-erd', group: :development

2. Add .erdconfig

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only: PhysicalServer,PhysicalSwitch,HostSwitch,Switch,OperatingSystem,Hardware,PhysicalDisk,PhysicalStorage,PhysicalRack,PhysicalChassis,GuestDevice,Firmware,FirmwareBinary,ComputerSystem,Host,ContainerNode,PhysicalNetworkPort # exclude: Owner,Handler,Backing,Approver,Backing,Target,Taggable,Counterpart,ManagedEntity # polymorphism: true # orientation: vertical indirect: true inheritance: true attributes: primary_keys,foreign_keys,inheritance,content # notation: bachman