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Linux Recovery Mode on various Distributions

Linux Recovery Mode on various Distributions

Sometimes Linux systems face issues like boot failures, disk errors, or forgotten passwords. In such situations, Linux Recovery mode becomes a powerful rescue option. It allows users to troubleshoot and fix problems using a minimal, safe environment. Different Linux distributions have slight variations in accessing this mode, but the core idea remains the same: give users a way to fix their system without needing a full desktop session.

Linux Recovery mode is a special boot option that starts the system with limited services, usually in single-user mode. It bypasses the regular graphical desktop and provides root access via a command-line interface. This mode is ideal for performing administrative tasks such as repairing broken packages, fixing disk errors, or resetting forgotten passwords.

Top Linux Distributions

  • Ubuntu
  • Debian
  • Fedora
  • CentOS / RHEL
  • Arch Linux

Ubuntu

To boot into Recovery mode on Ubuntu:

  • Reboot the system.
  • Hold the Shift key (BIOS systems) or press Esc (UEFI systems) to bring up the GRUB menu.
  • Select the entry that includes (recovery mode) using arrow keys.
  • Press Enter to boot into recovery mode.
  • Choose from available recovery options like fsck, root shell, or network.

 

Linux Recovery Mode

Debian

To boot into Recovery mode on Debian:

  • Reboot the system.
  • At the GRUB menu, select the kernel entry and press e to edit it.
  • Find the line starting with linux and append single or init=/bin/bash at the end.
  • Press Ctrl + X or F10 to boot into recovery.

Fedora

To boot into Recovery mode on Fedora:

  • Reboot the system.
  • At the GRUB menu, highlight the Fedora entry and press e.
  • Append systemd.unit=rescue.target or emergency.target to the line starting with linux.
  • Press Ctrl + X to start in recovery mode.

CentOS / RHEL

To boot into Recovery mode on CentOS or RHEL:

  • Reboot and access the GRUB menu.
  • Select the kernel line and press e to edit.
  • Append systemd.unit=rescue.target or systemd.unit=emergency.target at the end of the kernel line.
  • Press Ctrl + X to boot.

Arch Linux

To boot into Recovery mode on Arch Linux:

  • Reboot and access the GRUB menu.
  • Highlight the Arch entry and press e.
  • Append init=/bin/bash to the kernel line.
  • Press Ctrl + X or F10 to start the system.
  • Remount the root filesystem using mount -o remount,rw / if necessary.

 

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