new_linux_machine.sh

#!/bin/bash

sudo apt update
sudo apt install vim htop curl wget zsh git
sudo apt upgrade

echo "installing OMZ for zsh"
sh -c "$(curl -fsSL https://raw.githubusercontent.com/ohmyzsh/ohmyzsh/master/tools/install.sh)" "" --unattended

echo "Setting up OMZ theme and profile for current user by editing .zshrc and .zprofile"
sed -i 's/ZSH_THEME="robbyrussell"/ZSH_THEME="agnoster"/g' ~/.zshrc

cat <<EOT >> ~/.zprofile
# MG added by new_linux_machine.sh
NO_FORMAT="\033[0m"
F_BOLD="\033[1m"
C_WHITE="\033[38;5;15m"
C_RED1="\033[48;5;196m"
F_INVERT="\033[7m"
F_UNINVERT="\033[27m"
alias ifconfig="echo -e '${C_RED1}${F_BOLD}${C_WHITE}\n\tUSE ${F_INVERT} ip addr ${F_UNINVERT} COMMAND INSTEAD\t\n\tifconfig is deprecated\t${NO_FORMAT}\n'; ip addr;"
alias ls="ls -C"
EOT

echo "changing shell to zsh with omz"
chsh -s/bin/zsh

echo -e "\ndone. Log out and log back in again, and hopefully your default shell should be zsh + OMZ"