Troubleshooting the CentOS 7 Installation

CentOS 7 Setup Options

The installation program that runs automatically, if it stops running showing some error message, can be invoked by the command setup. This command is only available from the installation image. Once CentOS 7 is installed, this program is no longer available to the user.

The command setup, You have the following options:

  • -F  or --force: Force to be installed regardless of whether there is a system or not
  • -d  or --disk: To tell you which disk (/ dev / sda or whatever) you want to install
  • -s  or --source: To tell you which partition (/ dev / sdb1 or whatever) are the sources of the installation, which is where the boot.img and root.img are.

These options of the setup, allow to solve some errors that can occur in the process of installation.

Motives and solutions to problems in installing CentOS 7

Here are some bugs and how they can be solved:

  • DISK NOT FOUND:
    • Reason: Can not find a disk where you can install the system
    • Solution: With the argument -d, It can be indicated on which disk we want to install CentOS 7
  • PARTITIONS FOUND:
    • Reason: The disk where the system is to be installed already has partitions
    • Solution: With the argument -F, You may be instructed to force the installation without doing this check
  • SOURCE NOT FOUND:
    • Reason: Can not find disk containing images for installation
    • Solution: With the argument -s, It can be indicated the disk and partition that contains the necessary files to make the installation


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