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2020-02-17
macOS Catalina 10.15: Setting up a Brand New Mac for Development
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I have to set up a MacBook Pro fairly often - when starting a new job and when buying a new personal computer. I created this article back in 2015 when I got my first Mac and have been updating it ever since with whatever I need as my job evolves. I'm primarily a full-stack web developer, so most of my needs will revolve around JavaScript/Node.js.

Getting Started

The setup assistant will launch once you turn the computer on. Enter your language, time zone, Apple ID, and so on. The first thing you should do is update macOS to get the latest security updates and patches.

Homebrew

Install the Homebrew package manager. This will allow you to install almost any app from the command line.

/usr/bin/ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"

Make sure everything is up to date.

brew update

Install Apps

Here are some the programs I always install.

Don't install Node.js through Homebrew. Use nvm (below).

Program Purpose
Visual Studio Code text editor
Google Chrome web browser
Firefox web browser
Opera web browser
Rectangle window resizing
iTerm2 terminal
Docker development
VLC Media Player media player
Slack communication
Keybase security
Spotify music
Postgres database
Postico database UI
Postman API tool
App installation
# Core
brew install \
  git \
  yarn \
  make \
  travis

# Cask
brew cask install \
  visual-studio-code \
  google-chrome \
  firefox \
  opera \
  rectangle \
  iterm2 \
  docker \
  vlc \
  slack \
  keybase \
  spotify \
  postgres \
  postico \
  postman

Shell

Catalina comes with zsh as the default shell. Install Oh My Zsh for sensible defaults.

sh -c "$(curl -fsSL https://raw.github.com/ohmyzsh/ohmyzsh/master/tools/install.sh)"

Node.js

Use Node Version Manager (nvm) to install Node.js. This allows you to easily switch between Node versions, which is essential.

curl -o- https://raw.githubusercontent.com/nvm-sh/nvm/v0.35.2/install.sh | bash

Install

Install the latest version.

nvm install node

Restart terminal and run the final command.

nvm use node

Confirm that you are using the latest version of Node and npm.

node -v
npm -v

Update

For later, here's how to update nvm.

nvm install node --reinstall-packages-from=node

Change version

Here's how to switch to another version and use it.

nvm install xx.xx
nvm use xx.xx

And to set the default:

nvm alias default xx.xx

Git

The first thing you should do with Git is set your global configuration.

touch ~/.gitconfig

Input your config and create some aliases.

.gitconfig
[user]
  name   = Firstname Lastname
  email  = you@example.com
[github]
  user   = username
[alias]
  a      = add
  ca     = commit -a
  cam    = commit -am
  cm     = commit -m
  s      = status
  pom    = push origin master
  pog    = push origin gh-pages
  puom   = pull origin master
  puog   = pull origin gh-pages
  cob    = checkout -b
  co     = checkout
  fp     = fetch --prune --all
  l      = log --oneline --decorate --graph
  lall   = log --oneline --decorate --graph --all
  ls     = log --oneline --decorate --graph --stat
  lt     = log --graph --decorate --pretty=format:'%C(yellow)%h%Creset%C(auto)%d%Creset %s %Cgreen(%cr) %C(bold blue)%an%Creset'

With the above aliases, I can run git s instead of git status, for example. The less I have to type, the happier I am.

SSH

Simplify the process of SSHing into other boxes. Create an SSH config file.

mkdir ~/.ssh && touch ~/.ssh/config

Add the following contents, changing the variables for any hosts that you connect to. Using the below will be the same as running ssh -i ~/.ssh/key.pem user@example.com.

.ssh/config
Host *
  AddKeysToAgent yes
  UseKeychain yes
  IdentityFile ~/.ssh/id_rsa

Host myssh
  HostName example.com
  User user
  IdentityFile ~/.ssh/key.pem

Now just run the alias to connect.

ssh myssh

Generate SSH key

You can generate an SSH key to distribute.

ssh-keygen -t rsa -b 4096 -C "email@example.com"

Add key.

ssh-add -K ~/.ssh/id_rsa

Settings

I don't like a lot of the Apple defaults so here are the things I always change.

To get the Home folder in the finder, press CMD + SHIFT + H and drag the home folder to the sidebar.

General

  • Set Dark mode
  • Make Google Chrome default browser

Dock

  • Automatically hide and show Dock
  • Show indicators for open applications

Keyboard

  • Key Repeat -> Fast
  • Delay Until Repeat -> Short
  • Disable "Correct spelling automatically"
  • Disable "Capitalize words automatically"
  • Disable "Add period with double-space"
  • Disable "Use smart quotes and dashes"

Security and Privacy

  • Allow apps downloaded from App Store and identified developers
  • Turn FileVault On (makes sure SSD is securely encrypted)
  • Turn Firewall On (extra security measure)

Sharing

  • Change computer name
  • Make sure all file sharing is disabled

Users & Groups

  • Add "Rectangle" to Login items

Defaults

A few more commands to change some defaults.

# Show Library folder
chflags nohidden ~/Library

# Show hidden files
defaults write com.apple.finder AppleShowAllFiles YES

# Show path bar
defaults write com.apple.finder ShowPathbar -bool true

# Show status bar
defaults write com.apple.finder ShowStatusBar -bool true

# Prevent left and right swipe through history in Chrome
defaults write com.google.Chrome AppleEnableSwipeNavigateWithScrolls -bool false

Application Settings

Chrome

  • Turn off "Warn before quitting"
  • Install uBlock Origin
  • Install DevTools Theme - New Moon
  • Settings
    • Set theme to "Dark"
    • Go to chrome://flags and set Developer Tools Experiments to "Enabled"
    • Go to Experiments and select "Allow custom UI themes"

Visual Studio Code

  • Press CMD + SHIFT + P and click "Install code command in PATH".
  • Install Prettier
  • Install New Moon Theme
  • Install GitLens
  • Install Highlight Matching Tag
  • Keyboard Shortcuts
    • Copy Line Down - CMD + SHIFT + E
    • Delete Line - CMD + SHIFT + D
    • Reload Window - Remove Development Mode from When
    • Format Document - CMD + SHIFT + L

Rectangle

  • Full Screen: CMD + SHIFT + ' (prevents messing with other commands)
  • Left Half: CMD + OPTION + LEFT
  • Right Half: CMD + OPTION + RIGHT

iTerm2

Conclusion

That sums it up for my current preferences on setting up a MacBook Pro. I hope it helped speed up your process or gave you ideas for the next time you're setting one up.

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