Ubuntu Initial Setup

ubuntu_setup.sh

#!/usr/bin/env bash

# Configure some system specifications
sudo usermod -G input -a $USER
# Max number of files (Required by services like docker/jvm)
sudo sysctl -w fs.inotify.max_user_watches=524288
sudo sysctl -w vm.max_map_count=262144
# Better swap if system have a lot of unused memory
sudo sysctl -w vm.swappiness=10
sudo sysctl -w vm.vfs_cache_pressure=100
# Better USB transfer speed/progress
sudo sysctl -w vm.dirty_bytes=50331648
sudo sysctl -w vm.dirty_background_bytes=16777216
# Make these changes permanent
echo "fs.inotify.max_user_watches=524288\nvm.max_map_count=262144" | sudo tee /etc/sysctl.d/20-max-files.conf
echo "vm.swappiness=10\nvm.vfs_cache_pressure=100" | sudo tee /etc/sysctl.d/40-swap.conf
echo "vm.dirty_bytes=50331648\nvm.dirty_background_bytes=16777216" | sudo tee /etc/sysctl.d/50-usb-transfer.conf

sudo apt update && sudo apt upgrade -y

# Install common tools and utilities
sudo apt install -y unace unrar zip unzip p7zip-full p7zip-rar sharutils rar uudeview mpack arj cabextract zsh samba gpg sudo wget curl

# Set samba password
(echo "$password"; echo "$password") | sudo smbpasswd -s -a $USER

# Change default shell
sudo chsh -s /bin/zsh $(whoami)

# GPG keys for extra repos
sudo install -dm 755 /etc/apt/keyrings

# Nodejs
curl -fsSL https://deb.nodesource.com/gpgkey/nodesource-repo.gpg.key | sudo gpg --dearmor -o /etc/apt/keyrings/nodesource.gpg
echo "deb [signed-by=/etc/apt/keyrings/nodesource.gpg] https://deb.nodesource.com/node_22.x nodistro main" | sudo tee /etc/apt/sources.list.d/nodesource.list
sudo apt install -y nodejs
sudo npm install -g yarn eslint stylelint coffeelint htmlhint prettier

# Postgresql
curl https://www.postgresql.org/media/keys/ACCC4CF8.asc | sudo gpg --dearmor -o /etc/apt/keyrings/postgresql.gpg
echo "deb [arch=amd64 signed-by=/etc/apt/keyrings/postgresql.gpg] http://apt.postgresql.org/pub/repos/apt/ $(lsb_release -cs)-pgdg main" | sudo tee /etc/apt/sources.list.d/pgdg.list
sudo apt update && sudo apt install -y postgresql libpq-dev
sudo systemctl restart postgresql
sudo systemctl enable postgresql
sudo -u postgres psql -U postgres -d postgres -c "ALTER USER postgres WITH PASSWORD '$password';"

# Redis
curl -fsSL https://packages.redis.io/gpg | sudo gpg --dearmor -o /etc/apt/keyrings/redis-archive-keyring.gpg
echo "deb [signed-by=/etc/apt/keyrings/redis-archive-keyring.gpg] https://packages.redis.io/deb $(lsb_release -cs) main" | sudo tee /etc/apt/sources.list.d/redis.list
sudo apt update && sudo apt install -y redis
sudo systemctl restart redis-server
sudo systemctl enable redis-server

# Memcached
sudo apt install -y memcached
sudo systemctl restart memcached
sudo systemctl enable memcached

# MongoDB
curl -fsSL https://pgp.mongodb.com/server-7.0.asc | sudo gpg --dearmor -o /etc/apt/keyrings/mongodb-server-7.0.gpg
echo "deb [arch=amd64 signed-by=/etc/apt/keyrings/mongodb-server-7.0.gpg] https://repo.mongodb.org/apt/ubuntu jammy/mongodb-org/7.0 multiverse" | sudo tee /etc/apt/sources.list.d/mongodb-org-7.0.list
sudo apt update && sudo apt install -y mongodb-org
sudo systemctl restart mongod
sudo systemctl enable mongod

# Elasticsearch
curl -fsSL https://artifacts.elastic.co/GPG-KEY-elasticsearch | sudo gpg --dearmor -o /etc/apt/keyrings/elastic.gpg
echo "deb [signed-by=/etc/apt/keyrings/elastic.gpg] https://artifacts.elastic.co/packages/8.x/apt stable main" | sudo tee /etc/apt/sources.list.d/elastic-8.x.list
sudo apt update && sudo apt install -y elasticsearch
# Only use 2 GB of heap memory
echo "-Xms2g\n-Xmx2g" | sudo tee /etc/elasticsearch/jvm.options.d/heap_size.options
sudo systemctl restart elasticsearch
sudo systemctl enable elasticsearch

# Docker
sudo apt purge -y docker docker-engine docker.io containerd runc
sudo apt install -y \
    apt-transport-https \
    ca-certificates \
    curl \
    gnupg-agent \
    software-properties-common
curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo  gpg --dearmor -o /etc/apt/keyrings/docker.gpg
echo "deb [signed-by=/etc/apt/keyrings/docker.gpg] https://download.docker.com/linux/ubuntu $(lsb_release -cs) stable" | sudo tee /etc/apt/sources.list.d/docker.list
sudo apt update && sudo apt install -y docker-ce docker-ce-cli containerd.io
sudo systemctl restart docker
sudo systemctl enable docker

# Install build tools and programming languages
sudo apt install -y build-essential git git-lfs gitk openssl python3 python3-setuptools python3-pip libssl-dev resolvconf default-jre default-jdk llvm clang clang-tools lldb lld cmake gradle ruby ruby-build rust-all golang

# Install mise and configure ruby, nodejs, python and java plugins
wget -qO - https://mise.jdx.dev/gpg-key.pub | gpg --dearmor | sudo tee /etc/apt/keyrings/mise-archive-keyring.gpg 1> /dev/null
echo "deb [signed-by=/etc/apt/keyrings/mise-archive-keyring.gpg arch=amd64] https://mise.jdx.dev/deb stable main" | sudo tee /etc/apt/sources.list.d/mise.list
sudo apt update
sudo apt install -y mise
tee -a ~/.profile << MISE

# mise version manager
eval "$(mise activate bash --shims)"
MISE

tee -a ~/.zprofile << MISE

# mise version manager
eval "$(mise activate zsh --shims)"
MISE

# Some legacy tools still require asdf. So emulate asdf using mise
ln -s ~/.local/share/mise ~/.asdf
sudo ln -s ~/.local/share/mise/.fake-asdf/asdf /usr/bin/asdf

mise plugins install nodejs https://github.com/asdf-vm/asdf-nodejs.git
mise plugins install ruby https://github.com/asdf-vm/asdf-ruby.git
mise plugins install python https://github.com/asdf-community/asdf-python.git

# Use vscode as default editor
curl https://packages.microsoft.com/keys/microsoft.asc | gpg --dearmor > microsoft.gpg
sudo install -o root -g root -m 644 microsoft.gpg /etc/apt/trusted.gpg.d/
rm microsoft.gpg
echo "deb [arch=amd64] https://packages.microsoft.com/repos/vscode stable main" | sudo tee /etc/apt/sources.list.d/vscode.list
sudo apt update && sudo apt install -y code

# Use helix as default command line text editor
sudo add-apt-repository -y ppa:maveonair/helix-editor
sudo apt install -y helix

# User dbeaver community as default database gui
sudo add-apt-repository -y ppa:serge-rider/dbeaver-ce
sudo apt install -y dbeaver-ce

# Alias commands (Better commandline tools)

# Nerd fonts (For some cmd tools to display icons in terminal)
wget -P ~/.local/share/fonts https://github.com/ryanoasis/nerd-fonts/releases/download/v3.2.1/FiraCode.zip \
&& cd ~/.local/share/fonts \
&& unzip FiraCode.zip \
&& rm FiraCode.zip \
&& fc-cache -fv

# zioxide (smart cd replacement)
sudo apt install -y zoxide

tee -a ~/.bashrc << ZOXIDE

# Zoxide (smart cd replacement)
eval "$(zoxide init bash)"
ZOXIDE

tee -a ~/.zshrc << ZOXIDE

# Zoxide (smart cd replacement)
eval "$(zoxide init bash)"
ZOXIDE

# Bat (cat and less alternative for printing to terminal)
sudo apt install -y bat

# NeoVim vim commandline text editor with plugin system
sudo apt install -y neovim
# Use SpaceVim vim distribution
curl -sLf https://spacevim.org/install.sh | bash

# Prettyping (ping alternative with colors and progress bar)
sudo apt install -y prettyping

# fd (faster find alternative)
sudo apt install -y fd-find

# ripgrep (faster grep and file content search)
sudo apt install -y ripgrep

# difftastic and delta (sematic git diff with colors and highlighting)
wget https://github.com/Wilfred/difftastic/releases/download/0.61.0/difft-x86_64-unknown-linux-gnu.tar.gz
tar -xf difft-x86_64-unknown-linux-gnu.tar.gz
mv difft /usr/local/bin/difft
sudo chown root:root /usr/local/bin/difft
rm difft-x86_64-unknown-linux-gnu.tar.gz
sudo apt install -y git-delta

# duf (df alternative)
sudo apt install -y duf

# ncdu (du alternative)
sudo apt install -y ncdu

# Htop (top alternative)
sudo apt install -y htop

# eza (ls alternative with colors, git integration, icons and more)
wget -qO- https://raw.githubusercontent.com/eza-community/eza/main/deb.asc | sudo gpg --dearmor -o /etc/apt/keyrings/gierens.gpg
echo "deb [signed-by=/etc/apt/keyrings/gierens.gpg] http://deb.gierens.de stable main" | sudo tee /etc/apt/sources.list.d/gierens.list
sudo chmod 644 /etc/apt/keyrings/gierens.gpg /etc/apt/sources.list.d/gierens.list
sudo apt update
sudo apt install -y eza

# tldr (Better help and man pages)
sudo apt install -y tldr

# jq and yq commandline JSON and Yaml parsers
sudo add-apt-repository -y ppa:rmescandon/yq
sudo apt install -y jq yq

# FZF (Fuzzy search everything)
sudo apt install -y fzf
tee -a ~/.bashrc << FZF

# FZF (Fuzzy substring searching)                                                                                                                                                                                
[ -f /usr/share/doc/fzf/examples/key-bindings.bash ] && source /usr/share/doc/fzf/examples/key-bindings.bash                                                                                                       
FZF

tee -a ~/.zshrc << FZF

# FZF (Fuzzy substring searching)
[ -f /usr/share/doc/fzf/examples/key-bindings.zsh ] && source /usr/share/doc/fzf/examples/key-bindings.zsh
FZF

# clipboard
sudo apt install -y wl-clipboard

# Yazi folder/file preview
sudo apt install -y poppler-utils ffmpegthumbnailer imagemagick
wget https://github.com/sxyazi/yazi/releases/download/v0.3.3/yazi-x86_64-unknown-linux-gnu.zip
unzip yazi-x86_64-unknown-linux-gnu.zip
sudo mv yazi-x86_64-unknown-linux-gnu/ya /usr/local/bin/ya
sudo mv yazi-x86_64-unknown-linux-gnu/yazi /usr/local/bin/yazi
sudo mv yazi-x86_64-unknown-linux-gnu/completions/ya.bash /usr/share/bash-completion/completions/ya
sudo mv yazi-x86_64-unknown-linux-gnu/completions/yazi.bash /usr/share/bash-completion/completions/yazi
sudo mv yazi-x86_64-unknown-linux-gnu/completions/_ya /usr/share/zsh/vendor-completions/_ya
sudo mv yazi-x86_64-unknown-linux-gnu/completions/_yazi /usr/share/zsh/vendor-completions/_yazi
sudo chown root:root /usr/local/bin/ya /usr/local/bin/yazi /usr/share/bash-completion/completions/ya /usr/share/bash-completion/completions/yazi /usr/share/zsh/vendor-completions/_ya /usr/share/zsh/vendor-completions/_yazi
rm -rf yazi-x86_64-unknown-linux-gnu yazi-x86_64-unknown-linux-gnu.zip

tee -a ~/.bashrc << ALIASES

# Shell alias commands
alias sudo="sudo "
alias cd="z"
alias vim="nvim"
alias less="batcat --pager='less -RF'"
alias cat="batcat --paging never"
alias ping="prettyping --nolegend"
alias preview="yazi"
# add support for ctrl+o to open selected file in Helix text editor
export FZF_DEFAULT_OPTS="--bind='ctrl-o:execute(hx {})+abort'"
export FZF_DEFAULT_COMMAND="fdfind --type file --color=never --hidden --no-ignore"
export FZF_ALT_C_COMMAND='fdfind --type directory . --color=never --hidden --no-ignore'
alias top="htop"
alias find="fdfind"
alias du="ncdu -rr -x --exclude .git --exclude node_modules"
alias ls="eza --icons"
alias df="duf"
alias diff="delta"
alias grep="rg"
alias help="tldr"
alias yq="yq -CP"
alias pbcopy='wl-copy'
alias pbpaste='wl-paste'
ALIASES

tee -a ~/.zshrc << ALIASES

# Shell alias commands
alias sudo="sudo "
alias cd="z"
alias vim="nvim"
alias less="batcat --pager='less -RF'"
alias cat="batcat --paging never"
alias ping="prettyping --nolegend"
alias preview="yazi"
# add support for ctrl+o to open selected file in Helix text editor
export FZF_DEFAULT_OPTS="--bind='ctrl-o:execute(hx {})+abort'"
export FZF_DEFAULT_COMMAND="fdfind --type file --color=never --hidden --no-ignore"
export FZF_ALT_C_COMMAND='fdfind --type directory . --color=never --hidden --no-ignore'
alias top="htop"
alias find="fdfind"
alias du="ncdu -rr -x --exclude .git --exclude node_modules"
alias ls="eza --icons"
alias df="duf"
alias diff="delta"
alias grep="rg"
alias help="tldr"
alias yq="yq -CP"
alias pbcopy='wl-copy'
alias pbpaste='wl-paste'
ALIASES

# setup difftastic
git config --global diff.external 'difft'
# delta for non-semantic diff
git config --global core.pager 'delta'
git config --global interactive.diffFilter 'delta --color-only'
git config --global delta.navigate 'true'
git config --global merge.conflictstyle 'zdiff3'

git config --global color.ui true

git config --global color.diff-highlight.oldNormal    "red bold"
git config --global color.diff-highlight.oldHighlight "red bold 52"
git config --global color.diff-highlight.newNormal    "green bold"
git config --global color.diff-highlight.newHighlight "green bold 22"

git config --global color.diff.meta       "11"
git config --global color.diff.frag       "magenta bold"
git config --global color.diff.commit     "yellow bold"
git config --global color.diff.old        "red bold"
git config --global color.diff.new        "green bold"
git config --global color.diff.whitespace "red reverse"

# Optional (git default editor as helix)
git config --global core.editor 'hx'