Installing centos on xp

Assuming the read-only test runs successfully, the actual resize can be performed by running the same command, but this time without the —no-action option:. At this point we have reduced the size of the NTFS partition but the partition does not yet know we have done so. If, for example, we use fdisk to tell us about the partition the partition table information still indicates the original size:. In order to address this we will have to delete the partition information and then recreate it with the new size information.

Before doing so, make a note of the Start and Id values for the partition provided by the above fdisk command yours will possibly differ from the example and we will need these when we recreate the partition. Begin by starting fdisk with the name of the disk drive on which we are going to modify the partition table information:. Next, we need to recreate the partition with the new size information keeping in mind that we reduced the partition to MB :. Next, the Id of the partition needs to set to the original value as indicated by the fdisk —l command in this case 7 to indicate the partition uses the Windows NTFS format :.

The resize is now complete and you can reboot the system. The newly freed space will be displayed as Unallocated. Once the installation completes, the system will display the standard boot countdown screen.

Pressing any key on the keyboard at this point will display the boot menu screen as illustrated in the following figure:. This menu provides the option of booting either "CentOS" or "Other". In this instance, selecting "Other" will boot your original Windows installation. In the next section we will cover the steps to modify this menu to change the boot default and rename the "Other" menu option to something more descriptive. Once you have logged into the system and the desktop is visible the next step is to configure the boot menu so that it lists the alternate operating system as Windows instead of Other.

This file may be edited in a terminal window as follows:. When prompted by the su command to enter a password be sure to enter the root password created during the installation process, not the password you created for your user account during the setup agent configuration steps. The above menu. The CentOS section of the configuration typically reads as follows:. To configure the system to boot Windows by default simply change this line so that it reads as follows:.

To increase or decrease the timeout before the default operating system boots, change the timeout value in this case to 20 seconds :. The final task in our dual boot configuration process is to rename the Windows boot option to something more descriptive than "Other". To achieve this, simply change the "Other" line as follows:. The next time the system is rebooted, the boot screen will wait 20 seconds before auto-booting.

If no keys are pressed the system will now boot Windows by default, instead of CentOS. If the user does intervene and display the boot menu, the Windows option is now titled "Windows" and not "Other". If your default bridge interface is not named br0 , change that. If you want more, change the command line accordingly. This is used instead of --location. A VNC console is available on localhost, port for you to use. You can get a list of supported operating system variants with the osinfo-query os command.

Below you'll find an example output:. If you have a kickstart file set up you can give it directly to the vm using the --extra-args parameter:. If you don't have a server set up you can inject a file into the initrd and use that for kickstarting:. It must be named preseed. Use the virsh list --all to list all available virtual machines, including powered off ones:.

This will remove the configuration. If you don't undefine the VM and want to try the virt-install again it will give an error like this:. Disk images A VM needs a place to store it's data. We can create an empty, 8 GB raw disk image with the following command: fallocate -l 8G name. To create an 8 GB qcow2 image: qemu-img create -f qcow2. If you cannot identify the installation media for an operating system that was pre-installed on your computer, consult the documentation supplied with the machine, or contact the manufacturer.

Follow the prompts presented during the installation process. Windows, OS X, and most Linux installation discs allow you to manually partition your hard drive during the installation process, or will offer you the option to remove all partitions and start with a fresh partition scheme. At this point, remove any existing partitions that the installation software detects or allow the installation program to remove the partitions automatically.

If your computer has system restore software stored on a partition on a hard drive, take care when removing partitions while installing an operating system from other media. Under these circumstances, you could destroy the partition holding the system restore software.

The following procedure shows how to remove CentOS on systems also installed with another Linux distribution. You can use the other Linux distribution to remove the boot loader entry or entries and to remove any CentOS partitions. Because of the differences between the many different Linux distributions, these instructions are a general guide only.

Specific details vary according to the configuration of your particular system and the Linux distribution that dual-boots with CentOS.

These instructions assume that your system uses the GRUB2 boot loader. If you use a different boot loader such as LILO , consult the documentation for that software to identify and remove CentOS entries from its list of boot targets and to ensure that your default operating system is correctly specified.

At the command line, type su - and press Enter. When the system prompts you for the root password, type the password and press Enter. In this file, find the entry of the system you are removing. A typical CentOS entry in the grub. Depending on the configuration of your system, there might be multiple CentOS entries in grub. Delete each of the CentOS entries from the file. Remove any unwanted and unnecessary partitions, for example, using:, for example, with fdisk for standard partitions, or lvremove and vgremove to remove logical volumes and volume groups.

For details, see How do you use fdisk to delete a partition? You can use the Microsoft Windows installation and its installation media to remove the boot loader and to remove any CentOS partitions. These operating systems do not have robust partition management and cannot remove Linux partitions. Because of the differences between each version of Microsoft Windows, these instructions need to be reviewed completely before being followed.

It can be helpful to consult the documentation for your Microsoft Windows operating system as only utilities from that operating system are used in this procedure. This procedure relies on the Windows Recovery Console or the Windows Recovery Environment that loads from the Windows installation disk, therefore, you will not be able to complete the procedure without access to this disk. If you start this procedure and do not complete it, you could leave your computer in a condition where you cannot boot it.

The "system restore disk" supplied with some factory-built computers that are sold with Windows pre-installed on them might not include the Windows Recovery Console or Windows Recovery Environment.