ubuntu zsh installation with customized powerlevel theme

OhMyZsh+zshPowerlevel10k.sh

#!/usr/bin/env bash

echo ">>> Install Oh-My-ZSH"
sudo apt-get install -y zsh
wget http://install.ohmyz.sh -O - | zsh

#!/usr/bin/env bash

echo ">>> Install powerlevel10k theme"
git clone https://github.com/romkatv/powerlevel10k.git ~/.oh-my-zsh/custom/themes/powerlevel10k
sed -i 's/ZSH_THEME="robbyrussell"/ZSH_THEME="powerlevel10k\/powerlevel10k"/' ~/.zshrc

echo ">>> Install Z"
git clone https://github.com/rupa/z.git
mv z/z.sh ~/.z.sh
touch ~/.z
rm -rf z

echo ">>> Install zsh-autocomplete"
git clone https://github.com/zsh-users/zsh-autosuggestions ~/.oh-my-zsh/custom/zsh-autosuggestions
sed -i 's/plugins=\(git\)/plugins=\(git zsh-autosuggestions\)/' ~/.zshrc

echo ">>> Activate Z and update powerlevel10k config"
cat >> ~/.zshrc << EOF
# Enable Z
. ~/.z.sh
# POWERLEVEL10K SETTINGS #
POWERLEVEL10K_LEFT_PROMPT_ELEMENTS=(os_icon dir vcs)
POWERLEVEL10K_RIGHT_PROMPT_ELEMENTS=(load ram)
POWERLEVEL10K_DISABLE_RPROMPT=true
POWERLEVEL10K_SHORTEN_DIR_LENGTH=2
EOF

sudo chsh -s $(which zsh) `whoami`