How to set up zsh with oh-my-zsh on Ubuntu

=== install deps ===
sudo apt update
sudo apt install zsh fonts-powerline wget git

=== change default shell ===
chsh -s /bin/zsh

=== (optional) verify installation ===
which zsh -> 'usr/bin/zsh'
echo $SHELL -> 'usr/bin/zsh'

=== install oh-my-zsh and copy config ===
wget https://github.com/robbyrussell/oh-my-zsh/raw/master/tools/install.sh -O - | zsh
cp ~/.zshrc ~/.zshrc.orig (optional backup)
cp ~/.oh-my-zsh/templates/zshrc.zsh-template ~/.zshrc
source ~/.zshrc

=== use agnoster theme ===
nano ~/.zshrc
set ZSH_THEME="agnoster"
source ~/.zshrc

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https://www.howtoforge.com/tutorial/how-to-setup-zsh-and-oh-my-zsh-on-linux/)
https://github.com/robbyrussell/oh-my-zsh