Install Homebrew

Open up the terminal and install Homebrew package manager for MacOS:

/bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/HEAD/install.sh)"

Add Homebrew To Path

After installing, add it to the path (replace ”[username]” with your actual username):

echo 'eval "$(/opt/homebrew/bin/brew shellenv)"' >> /Users/[username]/.zprofile
eval "$(/opt/homebrew/bin/brew shellenv)"

Install iTerm2

To install, run:

brew install --cask iterm2

Install Git

Install git for remote file management:

brew install git

Install Oh My Zsh

Run this command to install Oh My Zsh:

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

Install PowerLevel10K Theme for Oh My Zsh

git clone https://github.com/romkatv/powerlevel10k.git $ZSH_CUSTOM/themes/powerlevel10k

.zshrc config

Now that it’s installed, open the ”~/.zshrc” file with your preferred editor and change the value of “ZSH_THEME” as shown below:

ZSH_THEME="powerlevel10k/powerlevel10k"

Apply the theme

To reflect this change on your terminal, restart it or run this command:

source ~/.zshrc

Configure PowerLevel10K

Restart iTerm2. You should now be seeing the PowerLevel10K configuration process. If you don’t, run the following:

p10k configure

Increase Terminal Font Size

1. Open iTerm2 preferences

2. Go to Profiles > Text

3. I increase my font size to about 20px

Change iTerm2 Colors to Custom Theme

1. Open iTerm2

2. Download my color profile by running the following command (will be added to Downloads folder):

    curl https://raw.githubusercontent.com/josean-dev/dev-environment-files/main/coolnight.itermcolors --output ~/Downloads/coolnight.itermcolors
   

3. Open iTerm2 preferences

4. Go to Profiles > Colors

5. Import the downloaded color profile (coolnight)

6. Select the color profile (coolnight)

You can find other themes here: Iterm2 Color Schemes

Install ZSH Plugins

Install zsh-autosuggestions:

git clone https://github.com/zsh-users/zsh-autosuggestions ${ZSH_CUSTOM:-~/.oh-my-zsh/custom}/plugins/zsh-autosuggestions

Install zsh-syntax-highlighting:

git clone https://github.com/zsh-users/zsh-syntax-highlighting.git ${ZSH_CUSTOM:-~/.oh-my-zsh/custom}/plugins/zsh-syntax-highlighting

Open the ”~/.zshrc” file in your desired editor and modify the plugins line to what you see below.

plugins=(git zsh-autosuggestions zsh-syntax-highlighting web-search)

Load these new plugins by running:

source ~/.zshrc

Finished!

Congratulations and welcome to much better terminal experience!