Build a Reusable AutoYaST Profile for SLES 15 Installs
Turn an existing SLES 15 system into a reviewed AutoYaST profile, validate it, and use it to deploy a test server with fewer manual steps.
How to delete Windows.old folder on Windows 7/8/8.1?
Usually, after you reinstall Windows without deleting the old partition, the new Windows 7/8/8.1 will have an additional folder in drive C named Windows.old. What is that? It is a folder containing all the system files of the old Windows version. If it is not deleted, the system will automatically collect them all into one folder and name it Windows.old. So how do you delete this folder, because the capacity of this folder is usually quite large (about 10GB or so)?
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1. Delete the Windows.old folder using the built-in Disk Cleanup tool:
This is the simplest and easiest way to do it, without having to use Command or external support software. First, open My Computer , right-click on drive C (the partition containing the Windows.old folder ) > Properties :
Here, you will see the Disk Cleanup tool right below the disk capacity parameters. Click Disk Cleanup, the system will calculate to delete unnecessary Windows files, then select Clean Up system Files as shown below:
The next options panel appears, you will see the Previous Windows Installations line appear. Check that box (it is best to check all) and then click OK:
Wait a moment for Windows to delete the file, then reopen drive C and the Windows.old folder will disappear!
2. Delete the Windows.old folder using the command - Command:
This is the second option if you don't want to use Windows Disk Cleanup (or simply want to "feel like a pro"). Open Command as Administrator (select Run > type cmd > right-click on cmd.exe and select Run as Adminstrator ):
The Command window appears, we type the command:
RD /S /Q %SystemDrive%\windows.old
Or if you don't want to type, copy the command above, in the command window > right click > select Paste (because you can't press Ctrl + V in the command line window):
Press Enter, open drive C and check if the Windows.old folder has been completely deleted. Good luck!
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.
Diagnose a SUSE Server That Hangs at the systemd Shutdown Screen
Use systemd jobs and the previous boot journal to locate a slow service, mount, or storage dependency, then correct it without masking the cause.
Open Only the Web Traffic Your SLES 15 Server Needs
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.
Diagnose SLES PAM Login Failures Without Locking Yourself Out
Trace a PAM failure to its service, account policy, or identity provider, then repair the right SLES configuration while preserving a working admin session.
SLES Boot Module Load Failure: Find the Driver and Fix It
Trace a failed kernel module at SLES startup, correct an obsolete boot entry or repair the required driver, and verify the next boot.
Set Up DM-Multipath on SLES 15 for Reliable SAN Paths
Prepare SCSI SAN paths, enable multipathd, inspect SUSE’s hardware defaults, and verify stable device maps without guessing array settings.
Clear a Zypper Lock Safely on SUSE Linux Enterprise
Find the process holding Zypper’s package lock, distinguish process conflicts from package locks, and retry updates without deleting lock files blindly.
Build a Supported SLES 15 HA Cluster with Fencing First
Register SLE HA, bootstrap SLES 15 nodes, then add fencing, quorum, and tested service resources before relying on failover.
SLES Zypper HTTP 500: Find the Failing Repository
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.