SLES 15 KVM Setup: Make Selected VMs Start at Boot
Install the SLES 15 KVM and libvirt tools, enable the right host service, and configure selected virtual machines to start after a reboot.
During the Windows installation process you will encounter options that force you to choose to proceed, one of the stages in the Windows installation process that you can do is Format the hard drive. If you talk about Format, you will immediately think of software that makes your hard drive or USB data fly as fast as PenFormat software .
However, when reinstalling Windows, we cannot use this software, so how can you delete data on the hard drive when installing Windows. Download.com.vn will guide you through the article below.
Step 1: You can install windows from a USB device or hard drive, after you've selected the installation language, click Install now.

Step 2: Continue to select I accept the license terms to agree with the terms of the manufacturer and click Next.
Step 3: In Which type of installation do you want, you will have two options:
Upgrade: Upgrade an older operating system to this new Windows.
Custom (advanced): Install a completely new operating system.
Here Download.com.vn is guiding you to format the hard drive when installing a new one, so select Custom.
Step 4: Go to the Where do you want to install Windows section , select drive C, if there is no drive letter displayed, please note the amount of hard drive written on it is equivalent to your C drive. Then click Drive Options (Advanced).
Step 5: Then there will be options for your hard drive, click Format to delete all the space available on your C drive, this will make installing Windows easier and sometimes, formatting the drive This hard is required.
Step 6: Then there will be a notice of Windows installation, this message will send you a warning that the recovery files , system files and your software installed on that hard drive will be completely deleted. is safe and cannot be undone, press OK to begin formatting the hard drive. Wait a bit for the process to format the partition of C drive to install your operating system.
Step 7: If you want to delete the hard drive partition (maybe drive D or drive E), you can select the partition you want to cancel and press Delete .
Still warning of the installation of files and system data will be deleted on the hard drive of your choice, click OK if you want to completely delete the hard drive partition on the computer. This is a little different from the Format that you delete / delete, making the partition completely lost, not like Format, so after deleting the partition you will have to create a new one.
Step 8: To create a new partition we select New (1) and then select Size (2) for the new partition size, the capacity here is calculated in MB (1GB equals 1024 Mb) , here the capacity is 25598MB 25GB equivalent , you can choose the capacity for the new partition and click Apply and finally select Next to complete.
The above two ways you can do when installing from Windows 7 and above, all operations above, please read carefully before proceeding to install so that the process of installing your Win does not encounter unfortunate problems, you You can also refer to the article on how to install Windows without USB and DVD for more details on how to install Windows via software.
Good luck.
Install the SLES 15 KVM and libvirt tools, enable the right host service, and configure selected virtual machines to start after a reboot.
Use systemd jobs and the previous boot journal to locate a slow service, mount, or storage dependency, then correct it without masking the cause.
Use firewall-cmd to inspect the active zone, allow HTTP safely, preserve SSH access, and verify that the rule survives a reload on SLES 15.
Trace a PAM failure to its service, account policy, or identity provider, then repair the right SLES configuration while preserving a working admin session.
Trace a failed kernel module at SLES startup, correct an obsolete boot entry or repair the required driver, and verify the next boot.
Prepare SCSI SAN paths, enable multipathd, inspect SUSE’s hardware defaults, and verify stable device maps without guessing array settings.
Find the process holding Zypper’s package lock, distinguish process conflicts from package locks, and retry updates without deleting lock files blindly.
Register SLE HA, bootstrap SLES 15 nodes, then add fencing, quorum, and tested service resources before relying on failover.
Trace a Zypper refresh error to SUSE, RMT, or a third-party endpoint, then apply the right server-side or cache fix without disabling essential updates.
Resolve SUSE LVM thin-pool space errors by checking data and metadata usage, expanding the pool safely, and preventing repeat outages.