Customizing Zsh with Oh-My-Zsh on macOS ARM M1

Table of contents#

Install oh-my-zsh#

1
# Install oh-my-zsh
2
sh -c "$(curl -fsSL https://raw.github.com/ohmyzsh/ohmyzsh/master/tools/install.sh)"

Essential plugins for DevSecOps workflow#

1
# Clone popular plugins to custom plugins directory
2
git clone https://github.com/zsh-users/zsh-autosuggestions ${ZSH_CUSTOM:-~/.oh-my-zsh/custom}/plugins/zsh-autosuggestions
3
git clone https://github.com/zsh-users/zsh-syntax-highlighting.git ${ZSH_CUSTOM:-~/.oh-my-zsh/custom}/plugins/zsh-syntax-highlighting
4
git clone https://github.com/zsh-users/zsh-completions ${ZSH_CUSTOM:-~/.oh-my-zsh/custom}/plugins/zsh-completions

Configure .zshrc#

Edit ~/.zshrc and update the plugins line:

1
plugins=(
2
  git
3
  docker
4
  kubectl
5
  aws
6
  terraform
7
  rust
8
  brew
9
  macos
10
  zsh-autosuggestions
11
  zsh-syntax-highlighting
12
  zsh-completions
13
)

Apply configuration#

1
# Reload configuration
2
source ~/.zshrc
3

4
# Or restart terminal
5
exec zsh

Optional: PowerLevel10k theme (performance-optimized)#

1
git clone --depth=1 https://github.com/romkatv/powerlevel10k.git ${ZSH_CUSTOM:-$HOME/.oh-my-zsh/custom}/themes/powerlevel10k

Set ZSH_THEME="powerlevel10k/powerlevel10k" in .zshrc, then run p10k configure.

The selected plugins provide Git integration, cloud tool completions, syntax highlighting, and intelligent autosuggestions—particularly useful for security tooling and infrastructure management workflows.