Linux bootctl Guide

Linux bootctl Guide

Complete beginner-friendly guide to bootctl on Linux, covering Arch Linux, CachyOS, and other distributions including systemd-boot management, bootloader control, and EFI boot management.

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Table of Contents

1. Understanding bootctl
2. bootctl Basics
3. Bootloader Management
4. EFI Management
5. Troubleshooting

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Understanding bootctl

What is bootctl?

bootctl manages systemd-boot.

Uses:

• Bootloader status: Check bootloader status
• Install bootloader: Install systemd-boot
• Update bootloader: Update systemd-boot
• EFI management: Manage EFI entries

Why it matters:

• Bootloader management: Manage systemd-boot
• EFI boot: Control EFI boot
• System boot: Manage system boot

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bootctl Basics

Check Status

Basic usage:

# Check bootloader status
bootctl status

# Shows systemd-boot status

Install Bootloader

Install systemd-boot:

# Install systemd-boot
sudo bootctl install

# Installs systemd-boot to EFI

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Bootloader Management

Update Bootloader

Update systemd-boot:

# Update bootloader
sudo bootctl update

# Updates systemd-boot

Remove Bootloader

Uninstall:

# Remove systemd-boot
sudo bootctl remove

# Removes systemd-boot

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EFI Management

List Entries

EFI entries:

# List EFI entries
bootctl list

# Shows boot entries

Set Default

Default entry:

# Set default entry
sudo bootctl set-default "entry-name"

# Sets default boot entry

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Troubleshooting

bootctl Not Found

Check systemd:

# bootctl is part of systemd
# Usually pre-installed on systemd systems

# Check systemd
systemctl --version

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Summary

This guide covered bootctl usage, systemd-boot management, and EFI boot control for Arch Linux, CachyOS, and other distributions.

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Next Steps

• Bootloader Configuration - Bootloader guide
• UEFI and Secure Boot - UEFI guide
• bootctl Documentation: man bootctl

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This guide covers Arch Linux, CachyOS, and other Linux distributions. For distribution-specific details, refer to your distribution's documentation.