Manjaro Linux Initialization Script for Efficient System Setup

🐧 Manjaro Linux Initialization Script for Efficient System Setup

Setting up a fresh Manjaro Linux environment can be streamlined with a comprehensive Bash script that automates essential configurations and installations.

Before running the initialization script, switch the default shell to Bash for compatibility

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chsh -s /bin/bash

📥 Run the Script

Execute all steps with a single command:

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bash -c "$(wget -qLO - https://kingtam.eu.org/scripts/manjaro_int.sh)"

🔧 Script Overview

The script provides a menu-driven interface with ten options, each automating a specific setup task. It loops until exit is selected, allowing multiple configurations in one session.

📋 Menu Options

1. Configure Manjaro Mirrors
2. Install Essential Packages
3. Configure Passwordless Sudo
4. Enable Tab Completion
5. Retrieve Public SSH Key from GitHub
6. Install VIM-PLUG
7. Configure tmux
8. Install Fcitx5 Input Method
9. Install Google Chrome
10. Install Docker

🧩 Breakdown the Script

1. Configure Manjaro Mirrors

• 1	sudo pacman-mirrors --fasttrack 20 && sudo pacman -Syyu --noconfirm

  Optimizes mirror selection for faster downloads.

• Updates the package database and system.

2. Install Essential Packages

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sudo pacman -Syu --noconfirm git wget curl tree iperf3 vim tmux

• Installs commonly used tools for development and system diagnostics.

3. Configure Passwordless Sudo

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current_user=$(whoami)
echo "$current_user ALL=(ALL) NOPASSWD: ALL" | sudo tee /etc/sudoers.d/"$current_user"
sudo chmod 440 /etc/sudoers.d/"$current_user"

• Grants the current user permission to run sudo commands without entering a password.

4. Enable Tab Completion

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echo "set completion-ignore-case on" >> ~/.inputrc

• Improves shell usability by allowing case-insensitive tab completion.

5. Retrieve Public SSH Key from GitHub

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bash <(curl -fsSL git.io/key.sh) -g sillydanny

• Downloads and installs a public SSH key for GitHub access.

6. Install VIM-PLUG and Configure Vim

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curl -fLo ~/.vim/autoload/plug.vim --create-dirs https://raw.githubusercontent.com/junegunn/vim-plug/master/plug.vim

• Installs vim-plug, a plugin manager for Vim.
• Adds a set of useful plugins and configurations to .vimrc.

7. Configure tmux

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cat << 'EOF' > ~/.tmux.conf
set -g mouse on
set-option -g status-position top
set -g status-bg colour235
set -g status-fg white
set -g status-left-length 50
set -g status-right-length 50
bind r source-file ~/.tmux.conf \; display "Reloaded ~/.tmux.conf"
set -g base-index 1
setw -g pane-base-index 1
setw -g mode-keys vi
bind-key h select-pane -L
bind-key j select-pane -D
bind-key k select-pane -U
bind-key l select-pane -R
bind-key -r H resize-pane -L 5
bind-key -r J resize-pane -D 5
bind-key -r K resize-pane -U 5
bind-key -r L resize-pane -R 5
set-option -g renumber-windows on
set -g history-limit 10000
set -g default-terminal "screen-256color"
set-option -ga terminal-overrides ",xterm-256color:Tc"
EOF

• Sets up tmux with custom keybindings, mouse support, and visual enhancements.

8. Install Fcitx5 Input Method

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sudo pacman -S --noconfirm fcitx5-im fcitx5-configtool fcitx5-chinese-addons manjaro-asian-input-support-fcitx5 fcitx5-table-extra

• Installs Fcitx5 and related packages for multilingual input, including Chinese.

9. Install Google Chrome

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pamac build google-chrome

• Builds and installs Google Chrome from the AUR using pamac.

10. Install Docker

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curl -fsSL https://get.docker.com -o get-docker.sh
sh get-docker.sh

• Installs Docker using the official convenience script for containerized development.

📦 Conclusion

Manjaro setup just got a turbo boost. No more typing the same commands like a robot every time a fresh install happens.