The last post of this series introduced the software projects Foreman and Katello. If you followed the instructions, you were able to login to a fresh Foreman installation.

In this part, the new installation is filled with live: first software contents are added to deploy and manage systems later.

If you already had a …

To find out the WWN port name of a HBA under Linux, reading the port_name file is sufficient - e.g. for all HBAs:

1$ cat /sys/class/scsi_host/host*/device/fc_host/host*/port_name
20x2002f6dc44b8e2b6
30x2001f6dc44b8e2b6

After a system crash I recently had the problem that Foreman had several orphaned tasks that could not be stopped from the web interface:

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Recently I had massive problems with deploying some VMware appliances under vSphere 6.5. Independently of the frontend (Host Client, HTML 5 Client, Web Client, C# Client) I was unable to deploy templates in a clean way at all - mostly aborts and "generic system failures" occured.

Mark Brookfield gave me the …

Currently I'm spending a lot of time on automating complex application scenarios; during training I also starting learning about creating customized REST applications. The result was a tutorial which covers all stages of developing a small "RESTful" application:

1. Concept/Definition
2. Development
3. Tests and …

More than a year ago, I upgraded my home lab to get started with vSAN. Back then I decided to go for a small hardware upgrade and already feared that the new resources will lack again very soon. And of course that happened after a short time, when I installed the vSAN cluster.

Back then I already heard about the Xeon D …

When deploying vCenter Server 6.5 recently, I stumbled upon an issue that I was able to reproduce for the versions 6.5c and 6.5d. When deploying the appliance using the vCSA UI installer, the second stage always crashed with an error like this:

1Unable to connect to vCenter Single Sign-On: Failed to connect to SSO; …

The last couple of years I spent a lot of time in managing Linux systems with Spacewalk and Red Hat Satellite 5. Because the application was superseded by the vendor, I investigated on migrations to the successor.

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