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MCamp859
59 lines
1.4 KiB
ReStructuredText
59 lines
1.4 KiB
ReStructuredText
.. _multi-boot-restore-bl:
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Restore the Clear Linux boot loader
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###################################
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This guide is part of the :ref:`multi-boot` tutorial. If you install a new
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:abbr:`OS (operating system)` or upgrade an existing OS, the default boot
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loader may change from |CL| Systemd-Boot. This guide describes how to restore
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Systemd-Boot.
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#. Boot the |CL| installer from a USB thumb drive. See :ref:`bootable-usb`.
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#. At the introduction screen, press :kbd:`Control+Alt+F2` to bring up the
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|CL| console. See Figure 1.
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.. figure:: figures/multi-boot-restore-bl-1.png
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Figure 1: |CL|: Console.
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#. Log in as *root*.
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.. note::
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When you log in for the first time as *root* through the console, you must
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set a new password.
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#. Find the location of the |CL| EFI partition. In this example, it is
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:file:`/dev/sda3`. See Figure 2.
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.. code-block:: bash
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fdisk -l
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.. figure:: figures/multi-boot-restore-bl-2.png
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Figure 2: |CL|: fdisk -l command.
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#. Mount the EFI partition.
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.. code-block:: bash
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mount /dev/sda3 /mnt
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#. Re-install Systemd-Boot to make it the default boot loader.
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.. code-block:: bash
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bootctl install --path /mnt
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#. Unmount the EFI partition.
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.. code-block:: bash
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umount /mnt
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#. Reboot.
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If you want to install other :abbr:`OSes (operating systems)`, refer to
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:ref:`multi-boot` for details.
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