A fresh Spacewalk installation usually defines user accounts in a local manner – including permissions. Especially for bigger system landscapes with requirements such as Single Sign-on, this is not a practical solution. Fortunately, Spacewalk and … Read more
CentOS 7.4, Spacewalk 2.7 and Reposync: Internal Server Error
After my last Spacewalk 2.7 installation I had the problem that synchronising repositories using the web interface failed with the following error:
Short tip: CentOS 7.4, PostgreSQL 9.2.23 and Spacewalk 2.7: Could not install database
When installing Spacewalk 2.7 under CentOS 7.4 along with PostgreSQL 9.2.23, I recently stumbled upon the following error:
Short tip: Move running processes into another terminal
Every Linux user knows the following scenario: a running process should be moved to another terminal. An example: an application update takes longer than expected and the status should be monitored on the go in GNU … Read more
Short tip: ESXi 6.5, Supermicro X10SDV-TP8F and 10G NICs
When reinstalling one of my homelab vSphere cluster nodes I noticed again, that the Intel driver ixgbe is not part of the ESXi base image. This driver is needed for my Supermicro mainboard X10SDV-TP8F in order to … Read more
System management with Foreman/Katello – Part 2: Products, Repositories and Content Views
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 … Read more
Migrate WordPress from qTranslate-X to WPML
I have been blogging in multiple languages for couple of years: in my mother tongue german and – because of international visitors – also in english. In the beginning I decided to go for the … Read more
Short tip: Get WWN port names under Linux
To find out the WWN port name of a HBA under Linux, reading the port_name file is sufficient – e.g. for all HBAs: $ cat /sys/class/scsi_host/host*/device/fc_host/host*/port_name 0x2002f6dc44b8e2b6 0x2001f6dc44b8e2b6
Forcefully stop hanging Foreman tasks
After a system crash I recently had the problem that Foreman had several orphaned tasks that could not be stopped from the web interface: Because I planned a Foreman upgrade this was pretty bad as … Read more
Short tip: my Foreman/Katello blog post series
I’m currently working on a blog post series about Foreman, Katello and Red Hat Satellite 6. Here’s the link collection for beginners: “Introduction and installation” (also published on Pro-Linux ) “Products, Repositories and Content Views” (also published … Read more