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2020-04-17 17:03:11 -07:00

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.. _fix-broken-install:
Fix a broken installation
#########################
This guide explains how to fix a broken installation of |CL-ATTR| using a live
desktop image on a USB.
.. contents::
:local:
:depth: 1
Overview
********
This guide assumes you have installed |CL| on a target system, but the OS
does not boot or function properly.
The process described in this guide can only verify and fix files that
:ref:`swupd<swupd-guide>` owns in :file:`/usr` and :file:`/var`. Files outside
of this path, such as :file:`/home/`, :file:`/etc`, etc., cannot be
repaired by this process.
Prerequisites
*************
* Download and burn the live desktop image on a USB.
See :ref:`bare-metal-install-desktop` for instructions.
Boot a live desktop image to fix target system
**********************************************
#. Boot the |CL| live desktop image.
#. Select |CL| in the boot menu.
Mount root partition, verify, and fix
*************************************
#. Ensure the system is connected to the Internet in order to access the
the |CL| update server.
#. Open a terminal window.
#. Find the |CL| root partition by using the :command:`lsblk` command with
these options: ``-o NAME,LABEL,PARTTYPE,PARTLABEL``.
.. code-block:: bash
lsblk -o NAME,LABEL,PARTTYPE,PARTLABEL
Example output:
.. code-block:: console
:emphasize-lines: 9
NAME SIZE LABEL PARTTYPE PARTLABEL
/dev/loop0 643.6M
/dev/sda 14.3G CLR_ISO
├─/dev/sda1 835M CLR_ISO 0x0
└─/dev/sda2 100M "CLEAR_EFI" 0xef
/dev/sdb 74.5G
├─/dev/sdb1 142M boot c12a7328-f81f-11d2-ba4b-00a0c93ec93b EFI
├─/dev/sdb2 244M swap 0657fd6d-a4ab-43c4-84e5-0933c84b4f4f linux-swap
└─/dev/sdb3 74.2G root 4f68bce3-e8cd-4db1-96e7-fbcaf984b709 /
In the example above, ``/dev/sdb3/`` is the root partition.
#. Next, mount the root partition.
.. code-block:: bash
sudo mount /dev/sdb3 /mnt
#. Verify that you mounted the correct root partition by verifying the content
of ``/mnt/usr/lib/os-release`` looks similar to the example below.
.. code-block:: bash
cat /mnt/usr/lib/os-release
Example output:
.. code-block:: console
NAME="Clear Linux OS"
VERSION=1
ID=clear-linux-os
ID_LIKE=clear-linux-os
VERSION_ID=32150
PRETTY_NAME="Clear Linux OS"
ANSI_COLOR="1;35"
HOME_URL="https://clearlinux.org"
SUPPORT_URL="https://clearlinux.org"
BUG_REPORT_URL="mailto:dev@lists.clearlinux.org"
PRIVACY_POLICY_URL="http://www.intel.com/privacy"
#. Next, run :command:`swupd repair` to fix any issues on the target system.
.. code-block:: bash
sudo swupd repair --picky --path=/mnt --statedir=/mnt/var/lib/swupd
:ref:`Learn more about how swupd works <swupd-guide>`.
#. After the process is complete, unmount the root partition.
.. code-block:: bash
sudo umount /mnt
#. Reboot the system, remove the live desktop USB drive,
and boot into the repaired system.
.. code-block:: bash
sudo reboot